WO2007135747A1 - Substrat de tête et appareil commandant la décharge comprenant un tel substrat de tête, tête d'impression du type à décharge par chauffage équipée d'un tel appareil commandant la décharge, et tête thermique - Google Patents

Substrat de tête et appareil commandant la décharge comprenant un tel substrat de tête, tête d'impression du type à décharge par chauffage équipée d'un tel appareil commandant la décharge, et tête thermique Download PDF

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Publication number
WO2007135747A1
WO2007135747A1 PCT/JP2006/310402 JP2006310402W WO2007135747A1 WO 2007135747 A1 WO2007135747 A1 WO 2007135747A1 JP 2006310402 W JP2006310402 W JP 2006310402W WO 2007135747 A1 WO2007135747 A1 WO 2007135747A1
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WO
WIPO (PCT)
Prior art keywords
discharge
substrate
heat
head
shape
Prior art date
Application number
PCT/JP2006/310402
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English (en)
Japanese (ja)
Inventor
Hisanobu Matsuzoe
Original Assignee
Fukuoka Technoken Kogyo, Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fukuoka Technoken Kogyo, Co., Ltd. filed Critical Fukuoka Technoken Kogyo, Co., Ltd.
Priority to JP2007530088A priority Critical patent/JP4263759B2/ja
Priority to PCT/JP2006/310402 priority patent/WO2007135747A1/fr
Publication of WO2007135747A1 publication Critical patent/WO2007135747A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
    • B41J2/41—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing
    • B41J2/415—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing by passing charged particles through a hole or a slit
    • B41J2/4155—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing by passing charged particles through a hole or a slit for direct electrostatic printing [DEP]

Definitions

  • the present invention relates to a head substrate used in a heat discharge type print head for forming an image on an electrostatic development type recording medium capable of repetitive recording by the action of a discharge, a discharge control device using the head substrate, and the like BACKGROUND ART Related to a heat discharge type print head provided with a discharge control device, and a thermal head used as a heating head in a print head or a discharge control device for forming an image in a thermal printer or facsimile of a thermal or thermal transfer system
  • Patent Document 1 an ion irradiation method, which is an electrostatic latent image forming method different from the electrophotographic method, has been developed.
  • the electrophotographic method uses two processes, uniform charging and exposure, to release the exposed portion of the charge on the uniformly charged photoconductor, thereby forming an electrostatic latent image on the photoconductor as the electrostatic latent image carrier.
  • the ion irradiation method only selective charging (electrostatic latent image formation charging) by ion irradiation accompanying the generation of discharge from the discharge electrode is performed in an ion-generating atmosphere (such as in the air). Therefore, it is possible to complete the formation of the electrostatic latent image on the electrostatic latent image carrier (there is no need to be a photoconductor because it is an insulator). It is a method.
  • Patent Document 2 discloses a specific shape of an ion irradiation type print head compatible with a horizontal printer and an image forming apparatus including the shape.
  • a minute ball is color-coded into two colors (for example, black and white), and the ball is rotated by the difference in electrical characteristics of each color to display an arbitrary color, a minute ball
  • An electrophoretic system in which fine powders of two colors (for example, black and white) are mixed in a ball and only one color is floated due to the difference in electrical characteristics of the fine powders of each color.
  • There is a liquid crystal system that displays the background color of the part where the shutter is opened by opening and closing.
  • thermal heads are known as print heads for forming images on thermal and thermal transfer thermal printers and facsimiles.
  • the thermal head applies a current to the heating resistor formed on the substrate and develops thermal paper using Joule heat generated in the heating resistor, or sublimates the ink layer of the ink donor film to generate a sublimation type. This is a method of forming an image by transferring ink to recording paper.
  • This thermal head is classified into a thick film type and a thin film type depending on the manufacturing method.
  • a thick-film thermal head is a device in which a thick-film conductor (electrode), heating resistor, and glass paste are applied onto a substrate and baked to form a heat generating part by patterning using photolithography technology.
  • the thin film thermal head forms a heat generating part having electrodes and heat generating resistors by using a film forming technique such as sputtering or vacuum deposition.
  • the contact area with the recording medium can be determined by the size of the top of the curved surface, and the heat generated by the heating resistor does not spread in the scanning direction, so there is no blur.
  • a high quality image can be formed.
  • the heat generating part that forms the recording surface is formed on the end surface of the substrate, it is possible to form an image on a recording medium that is elastic and difficult to bend, such as plastic cards and cardboard. It is suitable as a print head for a horizontal printer, and the apparatus can be easily downsized.
  • Patent Document 1 Japanese Patent Laid-Open No. 2003-326756
  • Patent Document 2 WO2005Z056297
  • Patent Document 3 Japanese Patent Laid-Open No. 62-292451
  • a heat generating part having a heating element for heating a discharge electrode on a hard V, substrate, etc. is used as a lower layer, and the heat generating part is insulated.
  • a head substrate is formed by laminating a protective film as an intermediate layer and a discharge portion having a discharge electrode as an upper layer.
  • the head substrate Depending on the shape, the shape of the heat-discharge type print head is determined.
  • Patent Document 2 Therefore, in order to manufacture a heat discharge type print head compatible with a horizontal printer as shown in (Patent Document 2), a material such as ceramic was used to determine the shape of the heat discharge type print head. Due to restrictions on formation technology on non-planar substrates and restrictions on formation technology of discharge devices such as heat generating parts and discharge parts on non-planar substrates, workability, designability, and mass productivity are lacking. I have a problem.
  • thermal heads such as end-face type, edge-type, and raised-type using thin film technology
  • large-scale equipment such as sputtering equipment and vacuum evaporation equipment, as well as curved surfaces of non-planar substrates.
  • Metal thin film with thin film technology such as vapor deposition on the inclined surface and front and back flat parts Since the electrode to be connected to the heating resistor must be formed by simultaneously etching this with photolithographic technique, accurate masking on (non-planar) surfaces with different angles, It has the problem that it requires ingenious exposure control, the manufacturing process is complicated, the yield is poor, and the mass productivity is lacking.
  • the electrodes and heating resistors are formed in a flat state and then the desired shape It can be deformed (curved) and has excellent shape flexibility, but the flexible substrate cannot withstand the temperature during firing in the manufacturing process of thick film thermal heads, so the thin film thermal head manufacturing process is used. If it had to be mass-produced, it had a problem.
  • the present invention solves the above-mentioned conventional problems, and by forming a discharge device having a heat generating portion, a discharge portion, etc. on a planar substrate by forming the substrate itself with flexibility, the discharge device is formed.
  • Providing a head substrate that can process a substrate into a desired shape excels in workability and assembly workability, overcomes restrictions on the formation technology of the substrate and discharge device, and excels in design independence and mass productivity.
  • Excellent quality reliability By providing a horizontal printer compatible heating discharge print head equipped with a discharge control device, and making the substrate itself flexible, thin-film technology or thick-film technology is used for the substrate in a flat state. It can be formed, can be microfabricated and can be manufactured in large numbers, is excellent in mass productivity, can be processed into a desired shape, and can be processed into a desired shape.
  • the purpose of the present invention is to provide a thermal head that improves the thermal conductivity of the substrate, has excellent print stop response to heat stop, and has excellent image quality reliability.
  • a head substrate of the present invention a discharge control device using the head substrate, a heat discharge type print head including the discharge control device, and a thermal head have the following configurations.
  • This configuration has the following effects.
  • the flexible thin film covering the heat generating part has heat resistance and insulation properties, the heat generating element that is not thermally deformed by the heat generated by the heat generating element and the electrodes connected to the heat generating element are protected and discharged. Insulation with the electrode can be ensured, and the discharge electrode can be reliably heated.
  • a flexible substrate having an oxide film formed on at least one of both surfaces of the metal foil is excellent in thermal conductivity, so that heat from the discharge electrode is transferred to the shape substrate to escape. Therefore, it is possible to prevent the heat build-up on the discharge electrode, improve the response of the discharge stop to the heating stop of the heat generating part, and have excellent discharge control reliability.
  • the heating control by the heating element can be selectively performed in a state where the discharge control voltage is applied to the discharge electrode.
  • Discharge electrode force In an atmosphere where discharge or light emission occurs and ions can be generated, the amount of ions generated can be controlled, and it can be used to form images on a dedicated recording medium such as an electrostatic development type digital paper. Can do.
  • a heat generating part having a heating element By forming a heat generating part having a heating element on the surface of the flexible substrate on which the oxide film is formed, the flexible substrate and the heat generating part can be reliably insulated, and can be selected as the heating element of the heat generating part. Can be energized to generate heat.
  • a head substrate is formed by forming a discharge device such as a heat generating portion or a discharge portion on a flexible substrate.
  • a discharge device such as a heat generating portion or a discharge portion
  • the metal foil serving as the base material of the flexible substrate aluminum, copper, or an alloy thereof is preferably used.
  • oxide film SiO, MgO, Al O
  • a thermal spraying method in addition to the anodic oxidation method, a thermal spraying method, a coating method, an acid treatment method, a vapor deposition method, a gradient function method, or a method in which a plurality of these methods are combined is preferably used.
  • the thickness of the flexible substrate is preferably 6 ⁇ m to 50 ⁇ m. As the thickness of the flexible substrate becomes thinner than 6 m, handling becomes difficult, and the mass productivity and durability tend to be reduced, and as the thickness becomes thicker than 50 m, the thermal conductivity tends to decrease. Neither is desirable.
  • the flexible thin film those having heat resistance and heat insulation and heat transfer properties capable of transferring heat generated by the heat generating portion of the heating means to the discharge electrode are suitably used.
  • synthetic resins such as polyimide, aramid, and polyetherimide, glass, and the like are preferably used.
  • an insulating film may be further formed in a range that does not hinder flexibility and heat transfer to the discharge electrode.
  • An electric field is formed by setting a potential difference corresponding to a discharge control voltage between the discharge electrode and a counter electrode formed on or in contact with or close to the back side of the recording medium.
  • TaSiO, RuO or the like is preferably used as a heat generating element as long as it can selectively heat a plurality of discharge electrodes or arbitrary positions of the discharge electrodes.
  • the heating location of the heat generating part By selecting the heating location of the heat generating part, it is possible to easily generate a discharge easily from an arbitrary heating position (discharge generation site) of the discharge electrode.
  • the discharge control voltage is a voltage range in which discharge does not occur between the discharge electrode and the counter electrode on the recording medium side only by the potential difference, but discharge occurs by heating the discharge electrode.
  • the discharge portion is formed in a comb shape by connecting one end portions of a plurality of discharge electrodes with a common electrode portion, or formed in a ladder shape or the like by connecting both end portions of the plurality of discharge electrodes with a common electrode portion.
  • it can be formed into a flat plate shape with a single discharge electrode such as a rectangular shape or a square shape (see, for example, JP-A-2003-326756, WO2005Z056297).
  • the discharge electrode's heat dissipation area is increased and the heat capacity is increased, thereby improving the cooling effect of the discharge electrode and the response to heat stoppage.
  • a stable voltage can always be applied by reducing the resistance value, the discharge stability and the like can be further improved.
  • the vicinity of the heating position by the heat generating part of the discharge electrode is a discharge generation site.
  • the portion other than the discharge generation site is the common electrode unit.
  • the discharge part is formed of a flat discharge electrode, the portion heated by the heat generating part becomes a discharge generating part, and therefore, the discharge part can be reliably discharged without fine alignment between the discharge part and the heat generating part. Can be generated and is excellent in reliability and mass productivity.
  • the discharge part is formed in a comb shape or a ladder shape
  • the cooling effect of the discharge electrode and heating can be increased by increasing the heat radiation area of the discharge part and increasing the heat capacity. Responsiveness to the stop is improved, and a stable voltage can always be applied by reducing the resistance value, so that the stability of discharge can be further improved.
  • the pole width is wider than the width of each discharge electrode, the cooling effect of the discharge electrode, which is temporarily heated to 100-300 ° C, will be improved, and heat will not be burned.
  • the discharge can be stopped in response to the stop quickly, the discharge time interval can be shortened and the presence / absence of the discharge can be switched in a short time, and the recording speed can be increased.
  • the resistance value of the common electrode part can be reduced, and the potential difference generated between the discharge electrodes connected by the common electrode part can be suppressed as much as possible, thereby reducing the variation in the discharge amount at each discharge electrode. And has excellent discharge stability.
  • each discharge electrode can be formed in a substantially rectangular shape, trapezoidal shape, semicircular shape, bullet shape, or a combination thereof. Further, the peripheral length around the edge of the discharge electrode can be increased by further dividing a part of the discharge electrode with a slit or the like, or by forming an uneven portion on the peripheral edge (for example, WO2005 / 05629
  • the discharge electrode Since the discharge electrode has a large amount of discharge from the periphery of the edge, it is possible to increase the amount of ions emitted and the intensity of the emitted light by increasing the discharge amount from the discharge electrode by increasing the circumference around the edge.
  • the discharge control voltage and heating temperature can be set low, and energy saving and discharge generation efficiency are excellent.
  • the discharge control voltage can be set low, the discharge electrode has excellent long life.
  • a discharge hole portion may be formed in the vicinity of the discharge generation site (heating position) of the discharge electrode.
  • the edge peripheral force of the discharge hole can also generate a discharge, and the same effect as that obtained by dividing the end of the discharge electrode can be obtained.
  • the shape of the discharge hole can be formed in various shapes such as a substantially circular shape, a substantially oval shape, a polygon such as a quadrangle or a hexagon, and a star shape.
  • the number and size of the discharge holes per discharge generation site (near the heating position) can be appropriately selected and combined.
  • the concave and convex portions and the discharge hole portions of the discharge electrode can be formed by the above-described etching or laser calorie.
  • a conductive material layer may be formed on at least the surface of the common electrode portion in the discharge portion.
  • the resistance value of the common electrode portion can be further lowered, the potential difference generated between the respective discharge electrodes can be reliably reduced, and the discharge stability is excellent.
  • the conductive material layer only needs to have conductivity superior to that of the discharge electrode, such as screen printing of silver paste, silver plating, etc. Can be formed more easily. By increasing the thickness of the conductive material layer, the resistance value of the common electrode portion can be reduced, and the stability of discharge generation can be improved.
  • a metal such as gold, silver, copper, or aluminum is formed by vapor deposition, sputtering, printing, plating, etc., and then etched to form a pattern as necessary.
  • a conductive material such as carbon may be used.
  • the thickness of the discharge electrode varies depending on the material and the characteristics of the recording medium used, but the thickness when gold is formed is preferably 0.1 ⁇ m to 100 ⁇ m. Discharge electrode thickness is less than 0 .: As it becomes thinner than Lm, it tends to be affected by wear, and the life of the discharge electrode tends to be shortened. There is a tendency for the properties to be easily lowered, both of which are not preferred.
  • the discharge electrode and the counter electrode In the state where an electric field is formed by setting a potential difference corresponding to the discharge control voltage between and the discharge electrode, a discharge is generated by selectively heating the discharge electrode at the heat generating part based on image information.
  • Various waveforms can be selected as the voltage to be applied to the electrodes. Triangular waves, rectangular waves, trapezoidal waves, sine waves, etc. can be used alone or in combination, and a DC voltage or an AC voltage can be superimposed on them. You can. For example, when only an AC voltage is applied to the discharge electrode, positive and negative ions are generated. Therefore, to select only negative ions, a negative DC voltage is superimposed on the AC voltage, and to select only positive ions, an AC voltage superimposed with a positive DC voltage is applied to the discharge electrode. .
  • the voltage value applied to the discharge electrode and the counter electrode can be arbitrarily set within the range. Therefore, all the voltage corresponding to the discharge control voltage may be applied to the discharge electrode side and the counter electrode may be grounded, or the voltage corresponding to the discharge control voltage may be distributed to the discharge electrode and the counter electrode side. Let's apply it.
  • the voltage applied to the counter electrode can be selected from various waveforms in the same manner as the voltage applied to the discharge electrode. For example, a discharge control voltage obtained by superimposing a DC voltage on an AC voltage.
  • a discharge control voltage obtained by superimposing a DC voltage on an AC voltage.
  • the invention according to claim 2 is the head substrate according to claim 1, wherein the head substrate includes an insulating film formed on at least one of the surfaces of the flexible thin film. is doing.
  • the insulating film may be a thin film made of an inorganic material such as SiON or SiO, or other insulating films.
  • the thin film may be formed of a material having an affinity (regardless of organic or inorganic).
  • a material having an affinity regardless of organic or inorganic.
  • those having high thermal conductivity that can efficiently transfer the heat of the heating element to the discharge electrode are preferred.
  • an insulating film is formed by multiple coatings, even if pinholes are generated by each coating, the possibility of overlapping pinholes can be reduced by repeated coating. Since the heat generating portion can be reliably insulated, the reliability is excellent.
  • a head substrate according to claim 3 of the present invention includes a heat-resistant and insulating flexible substrate in which an oxide film is formed on both surfaces of a metal foil, and one of both surfaces of the flexible substrate.
  • a discharge part having a discharge electrode formed on the surface side and a heat generation part having a heating element formed on the other surface side of both surfaces of the flexible substrate are provided.
  • This configuration has the following effects.
  • a flexible board on which discharge devices such as heat-generating parts and discharge parts are formed can be processed (curved) into a desired shape and has excellent flexibility and versatility.
  • the flexible substrate can be deformed (curved) together with the desired shape, and fixed to the shape of the shape substrate to fix the desired shape using conventional technology (previously, It is possible to manufacture a heat-discharge type print head (which required advanced technology) and has excellent productivity.
  • the flexible substrate has heat resistance and insulation properties, it protects the heating element that is not thermally deformed by the heat generated by the heating element and the electrode connected to the heating element to ensure insulation from the discharge electrode.
  • the discharge electrode can be heated.
  • the flexible substrate with the oxide film formed on both sides of the metal foil is excellent in thermal conductivity, the heat generated by the heating element can be efficiently transmitted to the discharge electrode through the flexible substrate. Control voltage and heating temperature can be set low, and energy saving and discharge generation efficiency are excellent.
  • the heating control by the heating element can be selectively performed in a state where the discharge control voltage is applied to the discharge electrode.
  • Discharge electrode force In an atmosphere where discharge or light emission occurs and ions can be generated, the amount of ions generated can be controlled, and it can be used to form images on a dedicated recording medium such as an electrostatic development type digital paper. Can do.
  • the head substrate of claim 3 is the same as that of claim 1 except for the arrangement of the flexible substrate, the discharge part, and the heat generating part, and the material, shape, formation method, etc. are the same as in claim 1. Is omitted.
  • the invention according to claim 4 is the head substrate according to claim 3, and includes a flexible thin film having heat resistance and insulation covering the heat generating portion. According to the configuration, in addition to the operation of the third aspect, the following operation is provided.
  • the flexible thin film is the same as in claim 1 and the description thereof is omitted.
  • the head substrate according to claim 5 of the present invention includes: (a) a flexible substrate having heat resistance and insulation in which an oxide film is formed on both surfaces of a metal foil; and one of both surfaces of the flexible substrate.
  • the head substrate according to claim 5 is a head substrate in which a discharge unit having a discharge portion and a heat generation unit having a heat generation portion and a driver IC are separately formed and combined.
  • a discharge device separation type the material, shape, formation method, etc. of the flexible substrate, the discharge part, and the heat generation part are the same as in claim 1, and the explanation is omitted.
  • the heat generating part of the heat generating unit may be formed on a flexible substrate having flexibility similar to the discharge unit, or may be formed on a hard substrate such as ceramic.
  • the discharge unit and the heat generating unit can be fixed by bonding the substrates together with a heat-resistant adhesive.
  • the positioning of the discharge unit and the heat generating unit can be performed by a method in which a positioning pin is protruded from one of the substrates and the pin is fitted.
  • the invention according to claim 6 is the head substrate according to claim 5, wherein the discharge unit and the heat generating unit are detachably disposed.
  • positioning of the discharge unit and the heat generating unit can be performed by a method such as pin fitting as described above. After positioning, both ends of the discharge unit and the heat generating unit in the longitudinal direction and the outer periphery can be sandwiched by a detachable fixing jig and fixed by a detachable fixing means such as pin fitting or screwing.
  • the invention described in claim 7 is the head substrate according to any one of claims 3 to 6, wherein the insulating film is formed on at least one of both surfaces of the flexible substrate. It has the structure which is equipped with.
  • the invention according to claim 8 is the head substrate according to any one of claims 1 to 7, wherein the head substrate is formed on the discharge portion side of the flexible substrate and insulated from the discharge electrode.
  • the induction electrode is provided with a structure.
  • the induction electrode may be formed so as to be separated (offset) in the horizontal direction from the end (edge) of the discharge electrode on the discharge generation site side!
  • an induction electrode is formed on the flexible thin film covering the heat generating part, and the induction electrode is covered with a flexible thin film similar to the flexible thin film covering the heat generating part.
  • the discharge electrode can be formed on The Alternatively, the induction electrode and the discharge electrode may be formed side by side on the flexible thin film covering the heat generating part, and the induction electrode may be covered with the flexible thin film, or the discharge electrode is formed on the flexible thin film covering the heat generating part. However, the induction electrode may be formed on the discharge electrode other than the end (edge) on the discharge generation site side with a flexible thin film.
  • an induction electrode is formed on the flexible substrate on which the discharge part is formed, and a flexible thin film is formed.
  • the discharge electrode can be formed on the induction electrode.
  • the induction electrode and the discharge electrode may be formed side by side on the flexible substrate, and the induction electrode may be covered with a flexible thin film.
  • the discharge electrode may be formed on the flexible substrate, and the end of the discharge electrode on the discharge generation site side.
  • the induction electrode may be formed on the other part (edge) covered with a flexible thin film.
  • the invention according to claim 9 is the head substrate according to any one of claims 1 to 8, and has heat resistance and insulation coated on the discharge electrode leaving a discharge generation site. A flexible coating film is provided.
  • the discharge electrode Since the periphery of the discharge electrode is covered with a flexible coating film, the discharge electrode can be prevented from being generated from an extra portion other than the discharge generation portion of the discharge electrode. Therefore, it is possible to concentrate and irradiate ions and ultraviolet rays in one place, and the efficiency of image formation is excellent.
  • a step can be formed between the discharge generation site surface and the surface of the flexible coating film.
  • the gap between the recording medium and the recording medium arranged opposite to each other can be kept constant, the contact with the discharge generation site can be prevented, and the discharge having the strength of the discharge generation site can be stabilized.
  • the discharge electrode the vicinity of the heating position by the heating element of the heat generating portion is the discharge generation site.
  • the flexible coating film is provided on the discharge electrode except for the discharge generation site.
  • the flexible coating film has an opening formed in a substantially circular shape, a substantially elliptical shape, a substantially rectangular shape, or the like at a discharge generation site of the discharge electrode (near the heating position of the heating portion by the heating element).
  • the opening may be formed independently for each of the plurality of discharge generation sites, or may be formed continuously in a long hole shape so as to straddle the plurality of discharge generation sites.
  • the same material as that of the flexible thin film is preferably used.
  • the invention according to claim 10 is the head substrate according to claim 9, wherein the head substrate includes a concavo-convex portion formed on a surface of the flexible coating film. .
  • the invention according to claim 11 is the head substrate according to any one of claims 1 to 10, wherein the oxide film of the flexible substrate is made of the same material as the metal foil. It is formed of a metal oxide film!
  • the acid film formed on both surfaces of the metal foil as the base material of the flexible substrate is formed of a metal oxide film of the same material as the metal foil, the metal foil and the acid film are formed. It has excellent film adhesion and can improve the insulation and durability of flexible substrates.
  • the invention according to claim 12 is the head substrate according to any one of claims 1 to 10, wherein the oxide film of the flexible substrate is made of a material different from the metal foil. It is made of a metal oxide film and has a structure. With this configuration, the following operations are provided in addition to the operation of any one of claims 1 to 10.
  • the oxide film formed on both sides of the metal foil used as the base material of the flexible substrate with a metal oxide film made of a material different from that of the metal foil, a combination of the metal foil and the oxide film is used.
  • the thermal conductivity and insulation of the flexible substrate can be controlled, and the efficiency of thermal conduction and the insulation reliability of the flexible substrate can be improved.
  • the invention according to claim 13 is the head substrate according to any one of claims 1 to 12, wherein the metal foil of the flexible substrate is formed of aluminum. Have.
  • the metal foil used as the base material of the flexible board is formed of aluminum, the thermal conductivity of the flexible board can be improved, and the excess heat from the discharge electrode and the heat generating part is fixed to the flexible board. Therefore, it is possible to efficiently transmit the heat to the shaped substrate to escape, or to efficiently transmit the heat generated by the heat generating portion to the discharge electrode, thereby improving the efficiency and reliability of the discharge generation.
  • the invention according to claim 14 is the head substrate according to any one of claims 1 to 12, wherein the metal foil of the flexible substrate is formed of copper. Yes.
  • the thermal conductivity of the flexible substrate can be improved, and the flexible substrate can absorb excess heat from the discharge electrode and the heat generating part. It can be efficiently transmitted to the fixed shape substrate and escaped, or the heat generated by the heat generating part can be efficiently transmitted to the discharge electrode, so that the efficiency and reliability of discharge generation can be improved.
  • the invention according to claim 15 is the head substrate according to any one of claims 1 to 14, wherein the oxide film of the flexible substrate is formed of alumina. Structure Have a success.
  • the oxide film of the flexible substrate is made of alumina, so that it is chemically stable, has excellent heat resistance and insulation, and improves the reliability of discharge control with high thermal conductivity. be able to.
  • the metal foil used as the base material of the flexible substrate is made of aluminum!
  • an aluminum oxide film can be formed by vapor-depositing aluminum on both surfaces and then performing an acid treatment by an anodic acid method.
  • An alumina film manufactured by Ibi Isako Co., Ltd. is an example of an alumina foil formed on both sides of an aluminum foil.
  • a discharge control device provides the head substrate according to any one of the first to fifteenth aspects and a surface of the head substrate on the heat generating portion side of the flexible substrate. And a driver IC that controls the heat generation of the heating element.
  • This configuration has the following effects.
  • the discharge time at the discharge electrode can be controlled, and the amount of generated ions and the emission intensity due to the discharge can be controlled.
  • the area gradation on the medium can be easily performed, and the image quality can be improved.
  • the heating means is to electrically join the driver IC and the heat generating portion and to control the heating of the heat generating element of the heat generating portion by the driver IC.
  • the discharge electrode of the discharge portion is controlled.
  • a heat discharge type discharge control apparatus controls the presence or absence of heating from the discharge electrode (discharge generation site) of the discharge part by controlling the presence or absence of heating.
  • the heating means is equipped with a driver IC that selectively energizes the heating element to control the heating of the heating element, the heating of the heating element can be controlled at a low voltage, and the discharge electrode The voltage applied to the capacitor can be lowered, and the discharge control device can be reduced in size and extended in life. Further, it is excellent in mass productivity and reliability as a heat discharge type print head.
  • the heating means a configuration similar to a thermal head used in a conventional thermal facsimile can be suitably used. For example, it is possible to selectively generate heat at an arbitrary portion of one heating element disposed across a plurality of discharge electrodes or a plurality of heating elements individually disposed corresponding to a plurality of discharge electrodes. Some generate heat.
  • the structure of the heating part can be thick or thin.
  • a heat-discharge type print head according to claim 17 of the present invention is a heat-discharge type print head including the discharge control device according to claim 16, wherein the head substrate has a shape of a shape substrate. It is fixed along and has a structure.
  • This configuration has the following effects.
  • the head substrate is flexible, it is possible to manufacture heat discharge printheads of various shapes using a common head substrate by simply changing the shape of the shape substrate and the fixing position of the discharge part relative to the shape substrate. Excellent in mass productivity and versatility.
  • a print wiring board provided with a connector for electrically connecting to the outside together with the discharge control device is disposed on the shape board to obtain a heat discharge type print head.
  • the flexible substrate Since the flexible substrate has flexibility, it can be simply fixed to the shape substrate by bending the head substrate itself along the shape of the shape substrate. For this reason, the discharge electrode has an end surface portion formed in an arc shape so as to be substantially orthogonal to the surface of the shape substrate, and an edge of the shape substrate formed in an inclined shape so as to form a substantially obtuse angle with the surface of the shape substrate. It can be easily placed at various positions such as a raised portion that protrudes from the surface of the substrate and the shaped substrate and is formed into a loose or strong hill shape, etc., and is excellent in design flexibility and productivity.
  • the discharge electrode is arranged on a different surface from the arrangement surface of the driver IC, and the arrangement surface of the discharge electrode and the arrangement surface of the driver IC are arranged. Can be prevented from being on the same plane, the degree of freedom of arrangement of the heat-discharge type print head can be increased, and versatility can be improved.
  • the electrostatic latent image can be formed from the optimum position with respect to the electrostatic latent image carrier having various shapes, the versatility and the reliability of the image quality are excellent.
  • the shape substrate itself is formed of a material having excellent thermal conductivity, such as aluminum, or a heat dissipation formed by a material having excellent thermal conductivity, such as aluminum, on the shape substrate to which the head substrate is fixed.
  • the plate By arranging the plate, the heat generated in the heat generating portion can be quickly absorbed into the shape substrate and the heat radiating plate and dissipated, so that the heat generating portion can be rapidly cooled. As a result, it is possible to improve the response of the discharge stop corresponding to the heating stop.
  • the driver IC can be protected from heat and has excellent reliability.
  • the surface of the shape substrate or heat sink is formed with grooves, etc., the surface area of the shape substrate or heat sink can be increased, increasing the efficiency of heat dissipation. Can be improved.
  • this heat-discharge type print head it is possible to form an electrostatic latent image or an image by oxidation-reduction reaction. Also, according to the light emission accompanying discharge, it is possible to use a digital paper or the like using a photochromic compound that forms an image with ultraviolet rays or visible rays as a recording medium.
  • An IC cover may be provided on the surface of the driver IC to protect the driver IC. As a result, it is possible to reliably prevent the driver IC and the recording medium from coming into contact with each other, and the reliability is excellent.
  • the invention according to claim 18 is the heat discharge type print head according to claim 17, wherein the disposition surface of the discharge electrode and the disposition surface of the driver IC of the discharge part are on the same plane. Has no success.
  • the disposition surface of the discharge electrode may be on a surface different from the disposition surface of the driver IC and may be in a positional relationship where the driver IC and the recording medium do not interfere when the discharge electrode is opposed to the recording medium.
  • the driver IC placed on the surface of the shape substrate is inclined so as to form an obtuse angle with the end surface of the shape substrate formed in an arc shape and substantially perpendicular to the surface of the shape substrate.
  • the discharge electrode can be arranged at various positions such as the edge of the shaped substrate formed in a shape, the raised portion formed on the surface of the shaped substrate, and formed in a gentle hill shape.
  • a driver IC is placed by forming a stepped portion or an inclined portion on the shape substrate so as to be lower than the placement surface, or on the end surface or back surface of the shape substrate. You can place an IC.
  • the invention according to claim 19 is the heat-discharge type print head according to claim 18, wherein the discharge unit is arranged such that the driver IC is arranged on a surface of the shaped substrate.
  • the discharge electrode has a configuration of an end surface type in which the discharge electrode is disposed at an end surface portion of the shape substrate so as to be substantially perpendicular to the surface of the shape substrate.
  • the recording medium can be conveyed in a straight line and can be suitably used for a horizontal printer.
  • the width of the part facing the electrostatic latent image carrier and the recording medium can be narrowed and can be arranged without being bulky in the horizontal direction. It can be applied to various types of electrostatic latent image carriers and has excellent versatility.
  • the arrangement method of the discharge part is the end face type
  • at least the discharge electrode (discharge generation site) of the discharge part is arranged on the end face part of the shape substrate, and the driver IC is arranged on the surface of the shape substrate.
  • the end surface portion of the shaped substrate is formed in a substantially arc shape.
  • the invention according to claim 20 is the heat-discharge type print head according to claim 18, wherein the discharge unit is arranged such that the driver IC is arranged on a surface of the shaped substrate.
  • the discharge electrode has an edge-type configuration in which an inclined edge of the fixed plate is arranged to form an obtuse angle with the surface of the shaped substrate.
  • the driver IC is placed on the surface of the shape substrate and the discharge electrode is placed on the inclined edge of the shape substrate so that the driver IC and the discharge electrode form an obtuse angle.
  • the recording medium can be conveyed in a straight line, and can be suitably used for a horizontal printer.
  • the discharge unit Since the discharge unit is arranged in an edge type, it can be placed without being bulky in the height direction when the discharge unit is opposed to the recording medium. It can respond to the body and has excellent versatility.
  • the arrangement method of the discharge part is the edge type
  • at least the discharge electrode (discharge generation site) of the discharge part is arranged on the edge of the inclined chamfered shape substrate, and the driver IC is arranged on the shape substrate. It arranges on the surface of.
  • the invention according to claim 21 is the heat-discharge type print head according to claim 18, wherein the discharge unit is arranged such that the driver IC is arranged on a surface of the shape substrate.
  • the discharge electrode has a raised type arrangement on the raised surface of the raised part formed on the surface of the shaped substrate.
  • the driver IC is placed on the surface of the shape substrate, the discharge electrode is placed on the raised surface of the raised portion formed on the surface of the shape substrate, and the discharge electrode protrudes more than the driver IC. If the recording medium is not curved like paper, the recording medium is transported in a straight line. And can be suitably used for a horizontal printer.
  • the discharge unit Since the discharge unit is arranged in a raised manner, it can be placed without being bulky in the height direction when the discharge unit is opposed to the recording medium. It can respond to the body and has excellent versatility.
  • the raised type (new end face type) is considered that the end face part of the shape substrate on which at least the discharge electrode (discharge generation site) of the discharge part is arranged is bent to the surface side of the shape substrate. Can be considered as an end face type.
  • the discharge electrode can be arranged on the raised surface (slope or upper surface) of the raised portion, but it must be arranged so as not to interfere with the recording medium conveyance path.
  • the shape substrate and the recording medium can be disposed substantially in parallel by projecting the top of the raised portion above the upper surface of the driver IC. Further, when the discharge electrode is disposed on the raised surface (slope) opposite to the driver IC of the raised portion, the recording medium and the driver are arranged by inclining the shape substrate so that the discharge electrode and the recording medium are substantially parallel to each other. Interference with IC etc. can be prevented.
  • the invention according to claim 22 is the heat discharge print head according to any one of claims 17 to 21, wherein the shaped substrate is formed of a material having thermal conductivity. It has the structure which is.
  • the shape substrate is made of a material with thermal conductivity, so it is possible to reduce the number of parts and manufacturing man-hours that do not require a separate heat dissipation plate. Can be improved.
  • the invention described in claim 23 is the heating / discharging type print head according to any one of claims 17 to 22, wherein the shape substrate is formed of a material having thermal conductivity.
  • a heat radiating plate is provided and has a structure.
  • the heat sink made of a material having thermal conductivity is disposed on the shape substrate, the heat dissipation area can be expanded, and the heat sink can be passed through the flexible substrate and the shape substrate. The heat transferred to the can be efficiently dissipated and the reliability of the discharge control can be improved.
  • the heat radiating area can be further expanded and the efficiency of heat radiating can be improved.
  • the thermal head according to Claim 24 of the present invention is a flexible substrate having heat resistance and insulating properties in which an oxide film is formed on at least one of both surfaces of the metal foil, and Heating means having a heating part having a heating element formed on the surface of the flexible substrate on which the oxide film is formed, and a driver IC for controlling the heating of the heating element, and heat resistance and covering the heating part And a heat generating unit having an insulating protective film.
  • This configuration has the following effects.
  • the flexible substrate of the heat generating unit can be bent, after forming the heat generating part etc. using thin film technology or thick film technology that is technically easy on a flexible substrate in a flat state, the entire flexible substrate is desired
  • the thermal head can be deformed (curved) to the desired shape (fixed with advanced technology) using simple technology by fixing the heating unit along the shape of the shape substrate. Can be manufactured and has excellent productivity
  • thermal heads of various shapes can be manufactured using a common heat generation unit, which is excellent in mass productivity and versatility.
  • the heat generating part is covered with a heat-resistant and insulating protective film, the heat generating part can be protected to prevent damage, and the heat generating unit has excellent durability and long life.
  • the flexible substrate and the heat generating part can be reliably insulated, and can be selected as the heating element of the heat generating part. Can be energized to generate heat.
  • the flexible substrate and the heating element are the same as those described in claim 1, and thus the description thereof is omitted.
  • a film having heat resistance and heat insulating properties and heat transfer properties capable of transferring heat generated by the heat generating portion of the heating means to the recording medium is preferably used.
  • the heating element of the heating part and the driving electrode for selectively energizing the heating element to generate heat and the protective film that protects the heating part can be formed even using the thin film technology and the thick film technology! Can.
  • the material of the protective film can be appropriately selected. Specifically, synthetic resins such as polyimide, aramid, and polyetherimide, glass, and the like are preferably used.
  • an insulating film may be formed within a range that does not hinder flexibility and heat transfer to the shape substrate.
  • the flexible substrate of the heat generating unit has flexibility, it follows the shape of the shape substrate. It can be fixed to the shaped substrate by bending it. For this reason, the heating element can be arranged at an arbitrary position of the shape substrate formed in a desired shape, which is excellent in design flexibility and productivity.
  • the shape substrate by forming the shape substrate with a material having excellent thermal conductivity such as aluminum, the heat generated in the heat generating part can be quickly absorbed into the shape substrate, and the shape substrate force can be dissipated, so that Cooling is possible. As a result, it is possible to improve the responsiveness of the printing stop corresponding to the heating stop. It is excellent in reliability because it can protect the driver IC with heat.
  • the invention according to claim 25 is the thermal head according to claim 24, wherein the oxide film of the flexible substrate is a metal oxide film made of the same material as the metal foil. It has a formed structure.
  • the acid film formed on both surfaces of the metal foil as the base material of the flexible substrate is formed of a metal oxide film of the same material as the metal foil, the metal foil and the acid film are formed. It has excellent film adhesion and can improve the insulation and durability of flexible substrates.
  • the invention according to claim 26 is the thermal head according to claim 24, wherein the oxide film of the flexible substrate is a metal oxide film made of a material different from the metal foil. It has a formed structure.
  • the oxide film formed on both sides of the metal foil used as the base material of the flexible substrate with a metal oxide film made of a material different from that of the metal foil, a combination of the metal foil and the oxide film is used.
  • the thermal conductivity and insulation of the flexible substrate can be controlled, and the efficiency of thermal conduction and the insulation reliability of the flexible substrate can be improved.
  • the invention according to claim 27 is the thermal head according to any one of claims 24 to 26, wherein the metal foil of the flexible substrate is made of aluminum. is doing.
  • the metal foil used as the base material of the flexible substrate is made of aluminum.
  • the thermal conductivity of the flexible board can be improved, and the excess heat from the heat generating part can be efficiently transferred to the shape board to which the flexible board is fixed, allowing it to escape. Responsiveness and excellent image quality reliability.
  • the metal foil used as the base material of the flexible board is made of copper, the thermal conductivity of the flexible board can be improved, and the flexible board is fixed with excess heat from the heat generating part. It can be efficiently transmitted to the shape substrate and escaped, and the print stop response to the heat stop of the heat generating part is excellent, and the image quality is highly reliable.
  • the invention according to claim 29 is the head substrate according to any one of claims 24 to 28, wherein the oxide film of the flexible substrate is formed of alumina. It has a structure.
  • the oxide film of the flexible substrate is made of alumina, so that it is chemically stable, has excellent heat resistance and insulation, and improves the reliability of discharge control with high thermal conductivity. be able to.
  • the metal foil used as the base material of the flexible substrate is made of aluminum!
  • an aluminum oxide film can be formed by vapor-depositing aluminum on both surfaces and then performing an acid treatment by an anodic acid method.
  • the invention according to claim 30 is the thermal head according to any one of claims 24 to 29, wherein the heat generating unit is fixed along the shape of the shape substrate, and The arrangement surface of the heating element and the arrangement surface of the driver IC are not on the same plane. With this configuration, in addition to the operation of any one of claims 24 to 29, the following operation is provided.
  • the arrangement surface of the heating element may be on a surface different from the arrangement surface of the driver IC, as long as the driver IC and the recording medium do not interfere with each other when the heating element is opposed to the recording medium.
  • the driver IC placed on the surface of the shape board is inclined so that it forms an obtuse angle with the end face of the shape board, which is formed in an arc shape so as to be substantially perpendicular to the surface of the shape board, and the surface of the shape board.
  • the heating element can be arranged at various positions such as the edge of the shaped substrate formed in a shape, the raised portion formed on the surface of the shaped substrate and formed in a gentle hill shape or the like.
  • a driver IC is placed by forming a stepped part or an inclined part on the shape board so as to be lower than the placement surface, or a driver IC is placed on the end face or back face of the shape board. IC may be arranged.
  • a recording medium that is elastic such as a plastic card or cardboard, that is difficult to bend is conveyed linearly without interfering with the driver IC to form a high-quality image. Therefore, it can be suitably used as a print head compatible with a horizontal printer, the apparatus can be easily downsized, and the image quality is reliable and versatile.
  • the invention according to claim 31 is the thermal head according to claim 30, wherein the heat generating portion is arranged such that the driver IC is arranged on a surface of the shaped substrate, and the heating element is The end surface portion of the shape substrate has an end surface type disposed so as to be substantially perpendicular to the surface of the shape substrate.
  • a recording medium such as cardboard that is elastic and difficult to bend can be conveyed linearly and can be suitably used for a horizontal printer.
  • the arrangement method of the heat generating portion is an end surface type
  • at least the heat generating element of the heat generating portion is disposed on the end surface portion of the shape substrate
  • the driver IC is disposed on the surface of the shape substrate.
  • the end surface portion of the shaped substrate is formed in a substantially arc shape.
  • the invention according to Claim 32 is the thermal head according to Claim 30, wherein the heat generating portion is arranged such that the driver IC is arranged on a surface of the shaped substrate, and the heating element is
  • the fixed plate has a configuration that is an edge type disposed at an inclined edge of the fixed plate so as to form an obtuse angle with the surface of the shaped substrate.
  • the heating unit Since the heating unit is arranged in an edge type, the heating unit can be arranged without being bulky in the height direction when facing the recording medium, and can support recording media of various shapes.
  • the heat generated from the heating element with a small contact area between the heat generating part and the recording medium does not spread in the scanning direction, and a high-quality image without blur can be formed. Excellent reliability.
  • the arrangement of the heat generating parts is an edge type
  • at least the heat generating elements of the heat generating parts are inclined.
  • the driver IC is arranged on the surface of the shape substrate.
  • the invention according to Claim 33 is the thermal head according to Claim 30, wherein the heat generating portion is arranged such that the driver IC is disposed on a surface of the shaped substrate, and the heating element is It has the structure which is a protruding type
  • the heating element protrudes more than the driver IC.
  • a recording medium such as a manufactured card or cardboard that is elastic and difficult to be bent can be conveyed linearly, and can be suitably used for a horizontal printer.
  • the heating unit Since the heating unit is arranged in a raised manner, the heating unit can be arranged without being bulky in the height direction when facing the recording medium, and is excellent in versatility.
  • the heat generated by the heating element with a small contact area does not spread in the scanning direction, and a high-quality image without blur can be formed and the image quality is highly reliable.
  • the raised type (new end face type) can be regarded as the end face portion of the shape substrate on which at least the heating element of the heat generating portion is arranged bent to the surface side of the shape substrate. It can be thought of as a form.
  • the heating element can be arranged on the raised surface (slope or upper surface) of the raised part, but it must be made so as not to interfere with the transport path of the recording medium.
  • the shape substrate and the recording medium can be arranged substantially in parallel by projecting the top of the raised portion above the upper surface of the driver IC.
  • the recording is performed by inclining the shape substrate (thermal head) so that the heating element and the recording medium are substantially parallel. Interference between media and driver ICs can be prevented.
  • thermal head described in claims 24 to 33 is also suitable as a heating means for a discharge control device of a heating / discharging system that can be used only as a print head for a thermal printer. It can be used and has excellent design flexibility and versatility.
  • the discharge control device using the head substrate, the heating discharge type print head including the discharge control device, and the thermal head the following advantageous effects are obtained. Is obtained.
  • a discharge device such as a heat generating part or a discharge part on a flexible substrate in a flat state by a technically easy method
  • it is easily processed (deformed) into a desired shape by bending the flexible substrate together. Since it can be fixed to a shape substrate, it is possible to provide a head substrate that has a simple production process, is excellent in mass productivity, can be used for manufacturing various types of heat-discharge-type printheads, and has excellent design flexibility and versatility. it can.
  • a flexible substrate in which an oxide film is formed on at least one of both surfaces of the metal foil is excellent in thermal conductivity, so that heat from the discharge electrode is transferred to the shape substrate to escape. It is possible to manufacture a discharge control device with excellent discharge control reliability that can prevent the heat build-up to the discharge electrode and improve the response of the discharge stop to the heating stop of the heat generating part.
  • a suitable head substrate can be provided.
  • a flexible substrate having an oxide film formed on the surface of a metal foil has better heat resistance than a flexible substrate made of a resin such as polyimide galamide, so that it can be used for firing in thick film technology. Since it can withstand the temperature, it is possible to provide a head substrate excellent in mass productivity and versatility that can form a heat generating portion even if a thick film technology is used in addition to the thin film technology.
  • a discharge device such as a heat generating part or a discharge part on a flexible substrate in a flat state by a technically easy method
  • it is easily processed (deformed) into a desired shape by bending the flexible substrate together. Since it can be fixed to a shape substrate, it is possible to provide a head substrate that has a simple production process, is excellent in mass productivity, can be used for manufacturing various types of heat-discharge-type printheads, and has excellent design flexibility and versatility. it can.
  • the heat generating part and the discharging part can be insulated by the flexible substrate and excellent in mass productivity, and the head substrate with excellent heating efficiency that can efficiently transfer the heat of the heating part to the discharging part through the flexible substrate. Can be provided.
  • the flexible substrate with the oxide film formed on both sides of the metal foil has excellent thermal conductivity, the heat generated by the heating element can be efficiently transmitted to the discharge electrode through the flexible substrate, and the discharge It is possible to provide a head substrate excellent in energy saving and discharge generation efficiency in which the control voltage and heating temperature can be set low.
  • a flexible substrate having an oxide film formed on the surface of a metal foil has a heat resistance superior to that of a resin substrate made of a resin such as polyimide galamide. Since it can withstand the temperature, it is possible to provide a head substrate excellent in mass productivity and versatility that can form a heat generating portion even if a thick film technology is used in addition to the thin film technology.
  • Detachable discharge units and heat generating units can be easily replaced or repaired, and they are excellent in maintainability, and each unit is treated as a consumable item, which saves running costs and saves resources.
  • An excellent head substrate can be provided.
  • the step formed between the surface of the discharge generation site and the surface of the flexible coating film can prevent the contact between the discharge generation site and the recording medium and keep the gap between the recording medium constant and the discharge generation site.
  • the thermal conductivity of the flexible board can be improved, and the excess heat from the discharge electrode and heat generating part can be efficiently transferred to the shape board where the flexible board is fixed. Therefore, it is possible to provide a head substrate excellent in the efficiency and reliability of the generation of discharge that can be transmitted and released efficiently, and that the heat generated by the heat generating portion can be efficiently transmitted to the discharge electrode.
  • a flexible substrate with an oxide film formed of alumina provides a head substrate that is chemically stable, excellent in heat resistance and insulation, and has high thermal conductivity and excellent discharge control reliability. be able to.
  • the driver IC can selectively heat the discharge electrode based on the image data to generate a discharge, and can easily control the amount of generated ions and the emission intensity associated with the discharge from the discharge electrode. It is possible to provide a discharge control device that is easy in area gradation on the recording medium and can improve the image quality of the recording medium and has excellent discharge control reliability.
  • the arrangement of the discharge part is an end face type, so that the driver IC and the discharge electrode can be arranged almost at right angles, and it is better not to bend like a digital paper. It is possible to provide a heat-discharge type print head suitable for a horizontal printer that can convey a long recording medium in a straight line.
  • the width of the part facing the electrostatic latent image carrier and the recording medium can be narrowed and can be arranged without being bulky in the horizontal direction. It is possible to provide a heat-discharge type print head excellent in versatility that can be used for electrostatic latent image carriers having various shapes.
  • the placement method of the discharge part is an edge type, so that the driver IC and the discharge electrode can be placed at an obtuse angle, and it is better not to bend it like a digital paper. It is possible to provide a heat discharge type print head suitable for a horizontal printer capable of conveying a recording medium linearly.
  • the discharge unit Since the discharge unit is arranged in an edge type, the discharge unit can be arranged without being bulky in the height direction when facing the recording medium. It is possible to provide a heat-discharge type print head excellent in versatility that can be applied to an image carrier.
  • the shape substrate has thermal conductivity, it is possible to quickly absorb the excess heat from the discharge electrode and the heat generating part without the need to provide a separate heat sink, and to dissipate the heat. In addition, it is possible to provide a heat discharge type print head that is excellent in mass reliability and can be reduced in the number of parts and the number of manufacturing steps. [0084] According to the invention of claim 23, in addition to the effect of any one of claims 17 to 22, the following effect is obtained.
  • the heat release area can be expanded, and the flexible substrate force is also transmitted to the heat sink via the shape substrate. It is possible to provide a heat discharge type print head excellent in reliability of discharge control capable of efficiently radiating heat.
  • the heat generating unit After forming the heat generating part etc. using thin film technology or technically easy thick film technology on the flat flexible substrate, the heat generating unit can be deformed (curved) into the desired shape together with the flexible substrate, By simply changing the shape of the shape substrate and the fixing position of the heat generating unit with respect to the shape substrate, mass production and general-purpose that can support the production of thermal heads of the desired shape (previously requiring advanced technology) using simple technology It is possible to provide an excellent thermal head.
  • a flexible substrate with an oxide film formed on at least one of both surfaces of the metal foil is excellent in thermal conductivity, so that heat from the heat generating part is transferred to the shape substrate to escape. This prevents the heat build-up from occurring in the heat generating part, improves the printing stop response to the heating stop of the heat generating part, and increases the printing speed. It is possible to provide a thermal head excellent in image quality reliability capable of forming a quality image.
  • a flexible substrate having an oxide film formed on the surface of a metal foil has better heat resistance than a flexible substrate made of a resin such as polyimide galamide, so that it can be used for firing in thick film technology. Since it can withstand the temperature, it is possible to provide a thermal head excellent in mass productivity and versatility that can form a heat generating portion even by using a thick film technology in addition to the thin film technology.
  • the thermal conductivity of the flexible board can be improved, and excess heat from the heat generating part can be efficiently transferred to the shape board where the flexible board is fixed. It is possible to provide a thermal head excellent in the efficiency and reliability of heating control that can be transmitted and escaped.
  • the thermal conductivity of the flexible board can be improved, and excess heat from the heat generating part can be efficiently transferred to the shape board to which the flexible board is fixed. It is possible to provide a thermal head with excellent efficiency and reliability of heating control that can be transmitted and escaped.
  • Flexible substrates with an oxide film made of alumina are chemically stable, have excellent heat resistance and insulation, and have a thermal head with high thermal conductivity and high reliability in heating control. Can be provided.
  • a highly versatile thermal head that can increase the degree of freedom in arranging the heating element for a variety of shapes of recording media where the heating element placement surface and the driver IC placement surface are on the same plane. Can be provided.
  • the driver IC and the heat generating element can be arranged so as to form a substantially right angle, which is particularly elastic such as plastic cards and cardboard. Therefore, it is possible to provide a thermal head suitable for a horizontal printer that can linearly convey a recording medium that is difficult to bend.
  • the heat generating portion is arranged in the end face type, the width of the portion facing the recording medium can be narrowed and arranged without being bulky in the horizontal direction. It is possible to cope with it, and it has excellent versatility, and the contact area between the heat generating part and the recording medium can be reduced to prevent the heat generated by the heating element from spreading in the scanning direction, and a high-quality image without blur can be formed. It is possible to provide a thermal head with excellent image quality reliability.
  • the arrangement of the heat generating part is an edge type, so that the driver IC and the heat generating element can be arranged at an obtuse angle, and in particular, the elastic force S such as a plastic card or cardboard.
  • the thermal head suitable for a horizontal printer that can linearly convey a recording medium that is difficult to bend.
  • the heating unit Since the heating unit is arranged in an edge type, the heating unit can be arranged without being bulky in the height direction when facing the recording medium, and can support recording media of various shapes. It is excellent in versatility, can reduce the contact area between the heating part and the recording medium, can prevent the heat from the heating element from spreading in the scanning direction, and can form a high-quality image without blurring. We can provide a thermal head with excellent image quality reliability [0094] According to the invention of claim 33, in addition to the effect of claim 30, the following effect is obtained.
  • the heating unit is arranged in a raised manner, the heating element can be projected beyond the driver IC, and it is particularly flexible and curved like plastic cards and cardboard. Therefore, it is possible to provide a thermal head suitable for a horizontal printer that can convey a recording medium that is difficult to perform linearly.
  • the heating unit Since the heating unit is arranged in a raised manner, the heating unit can be arranged without being bulky in the height direction when facing the recording medium, and is excellent in versatility.
  • the thermal head with excellent image quality that can prevent the spread of heat in the scanning direction by spreading the heat in the scanning direction and form high-quality images without blurring. be able to.
  • FIG. 1 (a) Schematic side view showing a heat discharge type print head provided with the discharge control device in Embodiment 1. (b) Heat discharge type print head provided with the discharge control device in Embodiment 1. Main part schematic perspective view showing
  • FIG. 2 is a plan development view of a main part showing a head substrate of the discharge control device in the first embodiment.
  • FIG. 3 (a) A-A line cross-sectional view of FIG. 2 (b) B-B cross-sectional view of FIG.
  • FIG. 4 is an exploded perspective view showing a main part of the head substrate of the discharge control device according to Embodiment 1.
  • FIG. 5 is a configuration diagram of a discharge control device according to Embodiment 1.
  • FIG. 6 is a perspective view showing a heating part forming process of the head substrate of the discharge control device in the first embodiment.
  • FIG. 7 is a perspective view showing a discharge part forming process of the head substrate of the discharge control device in the first embodiment.
  • FIG. 8 (a) Schematic plan view showing a first modification of the head substrate of the discharge control device in Embodiment 1 (b) Schematic cross-sectional view taken along the line CC in FIG. 8 (a)
  • FIG. 9 is a schematic cross-sectional view showing a second modification of the head substrate of the discharge control device according to Embodiment 1.
  • FIG. 10 (a) shows a third modification of the head substrate of the discharge control device according to Embodiment 1.
  • FIG. 2 is a schematic side view showing a second modification of the heating / discharge-type print head including the discharge control device according to the first embodiment.
  • ⁇ 13 A diagram showing a control method of ion generation of the discharge control device in the first embodiment
  • FIG. 14 (a) Schematic side view showing a heat discharge type print head provided with the discharge control device in Embodiment 2. (b) Heat discharge type print head provided with the discharge control device in Embodiment 2. Main part schematic perspective view showing
  • FIG. 15 (a) Plane development of the main part of the head substrate of the discharge control device in Embodiment 2 (b) Cross-sectional view taken along line E—E in FIG. 15 (a)
  • FIG. 17 (a) Sectional view taken along line FF in FIG. 16 (b) Sectional view taken along line GG in FIG.
  • FIG. 18 (a) Schematic plan view showing a first modification of the head substrate of the discharge control device in Embodiment 3. (b) Schematic cross-sectional view taken along line H—H in FIG. 18 (a).
  • FIG. 20 (a) Schematic plan view showing a third modification of the head substrate of the discharge control device according to the third embodiment (b) Schematic cross-sectional view taken along line I-I in FIG. 20 (a)
  • FIG. 22 (a) Schematic cross-sectional view showing a discharge unit of the head substrate of the discharge control device of the discharge device separation type in Embodiment 4 (b) Head substrate of the discharge control device of the discharge device separation type of Embodiment 4. (C) Schematic sectional view showing the head substrate of the discharge device separation type discharge control device in Embodiment 4 (d) Discharge device separation type discharge control device in Embodiment 4 Shows a modification of the head substrate Schematic cross section
  • FIG. 23 is a schematic perspective view of the main part showing the thermal head in the fifth embodiment.
  • FIG. 24 is a plan development view of main parts showing the heat generating unit of the thermal head in the fifth embodiment.
  • a heat-discharge type print head provided with a discharge control device according to Embodiment 1 of the present invention will be described below with reference to the drawings.
  • FIG. 1 (a) is a schematic side view showing a heat-discharge type print head provided with the discharge control device according to Embodiment 1
  • FIG. 1 (b) is a calorie heat discharge provided with the discharge control device according to Embodiment 1. It is a principal part model perspective view which shows a type
  • la is an end face type heat discharge type print head corresponding to a horizontal printer equipped with a discharge control device 7 in Embodiment 1 described later, and 2 is formed of a material such as aluminum, and the discharge control device 7 is A fixed heat discharge type print head la-shaped substrate, 3a is an arcuate end surface formed at the tip of the shape substrate 2, 4 is a flexible substrate described later, and a discharge device such as a heat generating unit or discharge unit 5 described later is provided.
  • 5a is a plurality of discharge electrodes of the discharge portion 5 formed in a comb shape
  • 5b is a discharge portion that connects one end of the discharge electrode 5a.
  • Heated discharge print head la printed wiring board 9 IC cover is Kutsugae ⁇ to protect driver IC6 and the printed wiring board 8 9a is a high-voltage board that is disposed on the back surface of the IC cover 9 and is connected to the common electrode part 5b of the discharge part 5 by electrical wiring (not shown) and supplies a high voltage (discharge control voltage) to the discharge electrode 5a. is there.
  • FIG. 2 is a plan development view of the main part showing the head substrate of the discharge control device according to Embodiment 1
  • FIG. 3 (a) is a cross-sectional view taken along line AA in FIG. 2
  • FIG. FIG. 4 is a cross-sectional view taken along the line B-B in FIG. 2
  • FIG. 4 is an exploded perspective view showing a main part of the head substrate of the discharge control device according to the first embodiment.
  • reference numeral 10 denotes a heat-resistant and insulating head substrate in which an aluminum oxide film is formed on both sides of an aluminum foil. 4, a plurality of comb-shaped electrodes 11a for heat generation;
  • the heat generating common conductor pattern formed integrally on the upper surface of the flexible substrate 10, 1 lb is the heat generating common electrode portion disposed on the upper surface of the heat generating common conductor pattern 11, and 12 is the heat generating comb electrode 11 a.
  • Heat generating individual electrodes alternately formed on the upper surface of the flexible substrate 10, 12 a is a bonding pad formed at the end of the heat generating individual electrode 12, 13 is a heat generating part of the discharge controller 5, and 13 a is a heat generating comb tooth
  • Exposed electrode 11a and exothermic electrode 1 2 are electrically connected to the upper part of the exothermic body 13 of the exothermic part 13 and 14 is a flexible substrate except for the end of the exothermic common electrode part l ib and the exothermic individual electrode 12 Heat resistance and insulation covered on top of 10
  • Flexible thin films such as polyimide, aramid, and polyetherimide
  • 14a is an insulating film formed on the upper surface of the flexible thin film 14
  • 15 is a discharge electrode 5a that generates a discharge when heated by a heating element 13a. It is a discharge generation site.
  • the discharge electrode 5 described above is insulated from the heating comb electrode lla, the heating individual electrode 12 and the heating resistor 13a by the flexible thin film 14 and the insulating film 14a. It is formed facing the heat generating resistor 13a at a position corresponding to the individual electrode 12 for heat generation.
  • the flexible thin film 14 is formed with an insulating film 14a on the upper surface of the flexible thin film 14 in order to insulate between the discharge part 5 and the heat generating part 13 more reliably by heat resistance and insulation.
  • the force of forming the insulating film 14a only on the upper surface of the flexible thin film 14
  • the insulating film 14a is formed on at least one of the both surfaces of the flexible thin film 14. Just do it. Insulating film 14a is made of inorganic materials such as SiON and SiO, and other insulating materials (
  • the insulating film 14a is formed by multiple coatings, even if pinholes are generated by each coating, the possibility of overlapping pinholes can be reduced by applying multiple coatings. It is possible to reliably insulate the heat generating portion 13 and is excellent in reliability.
  • the single-area layer type head substrate 4 is formed in a planar state, it is extremely thin and flexible, and is easily processed from the planar state into a shape (desired shape) along the shape substrate 2 (deformation). Make it possible.
  • a flexible substrate 10 (alumina film manufactured by Ibi Kaiko Co., Ltd.) in which an aluminum oxide film is formed on both surfaces of an aluminum foil is used, but the oxide film is a flexible substrate 10.
  • the thermal expansion coefficient can be made equal on the front and back of the flexible substrate 10, so that deformation due to the warp of the flexible substrate 10 can be prevented, and the discharge part 5 and heat generation
  • the manufacturing stability of the part 13 is excellent, and the thermal deformation during driving can be reduced and the long life is excellent.
  • the metal foil and the acid film used as the base material of the flexible substrate 10 can be appropriately selected according to the heat resistance and insulation required for the flexible substrate 10 without being limited thereto.
  • FIG. 5 is a configuration diagram of the discharge control device in the first embodiment.
  • the head substrate 4 has a discharge part 5 and a heat generation part 13.
  • Heat generated by the driver IC 6 electrically connected to the heat generating part 13 (the driver IC 6 is wire-bonded to the lead pattern extending from the heat generating part 13 with a gold wire and then sealed with an IC protective resin such as epoxy resin)
  • the heating means 16 controls the heat generation of the heating element 13a of the section 13. It is the discharge controller 7 of the heating discharge type that controls the discharge from the discharge electrode 5a by controlling the heating of the discharge part 5 by the heating means 16 to the discharge electrode 5a.
  • the shape substrate 2 has good heat dissipation such as aluminum.
  • the heat generated in the heat generating portion 13 can be quickly transferred from the flexible substrate 10 to the shape substrate 2 and radiated from the shape substrate 2.
  • the heat generating portion 13 can be rapidly cooled to improve the response to the heating stop.
  • the driver IC6 etc. can be protected from heat and is highly reliable.
  • FIG. 6 is a perspective view showing a heat generating part formation process of the head substrate of the discharge control device according to the first embodiment
  • FIG. 7 is a perspective view showing a discharge part forming process of the head substrate of the discharge control device according to the first embodiment. It is.
  • FIG. 6 after a conductor such as a gold paste is printed on the surface of the flexible substrate 10 formed in a flat shape, a plurality of comb electrodes 11a for heating and individual heating electrodes connected by a heating common conductor pattern 11 by etching. Electrode 12 is formed. After that, a strip-like shape is printed by printing TaSiO, RuO, etc. on the top of the heating comb electrode 11a and the heating individual electrode 12.
  • a heating element 13a is formed. Further, the heat generating common electrode portion l ib is formed on the upper surface of the heat generating common conductor pattern 11 by printing silver paste or the like.
  • Bonding pads 12a were formed at the ends of the individual heating electrodes 12. This makes it easy to connect to the driver IC 6 by wire bonding.
  • the heating unit 16 preferably has the same configuration as a thermal head used in a conventional thermal facsimile.
  • the existing thermal head manufacturing process can be followed, and the discharge control device 7 can be manufactured at low cost by diverting the manufacturing device.
  • the heating element 13a of the heating part 13 is formed in a strip shape, the heating comb electrodes 11a and the heating individual electrodes 12 are alternately arranged, and one heating individual electrode 12 at each center is provided. Between the heat generating comb electrodes 11a on both sides of the discharge electrode 5a, and selectively generate heat at any part of the heating element 13a corresponding to the position of the discharge generating part 15 of each discharge electrode 5a.
  • the present invention is not limited to this, and any structure that can selectively heat the discharge generation site 15 of each discharge electrode 5a can be used.
  • the discharge part forming step will be described.
  • the surface of the flexible substrate 10 has a heat resistance and insulating property of about 300 ° C., such as polyimide, aramid, polyetherimide, etc.
  • the flexible thin film 14 is formed, for example, by printing the thin film resin.
  • the flexible thin film 14 may be any material that can protect and insulate the heat generating common electrode section l lb, the heat generating individual electrode 12, the heat generating element 13a, etc., but efficiently transfer the heat of the heat generating element 13a to the discharge electrode 5a. Those having high thermal conductivity that can be used are preferably used.
  • the flexible thin film 14 may be formed by applying a heat-resistant and insulating-resistant resin solution such as polyimide garamide by screen printing or the like, or a thin film sheet formed of the same resin. It may be formed by covering.
  • a plurality of discharge electrodes 5 a facing the heat generating individual electrodes 12 of the heating means 16 and a common electrode portion 5 b connecting them are formed on the flexible thin film 14.
  • a metal such as gold, silver, copper, or aluminum formed by vapor deposition or sputtering printing and then etched to form a pattern is suitably used.
  • a conductive material such as carbon may be used.
  • each discharge electrode 5a can be formed in a trapezoidal shape, a bullet shape, a semicircular shape, or a combination of these, formed in a substantially rectangular shape.
  • the discharge generation site 15 of the discharge electrode 5a has a large amount of discharge from the periphery of the edge, a plurality of uneven portions are formed on the outer peripheral edge of the discharge electrode 5a so that the peripheral length of the periphery of the discharge electrode 5a becomes longer. Generation efficiency can be improved.
  • the amount of discharge from the discharge generation site 15 is increased, and the ion irradiation amount and emission intensity can be increased, so that the energy saving performance of the discharge control device 7 is excellent.
  • the voltage applied to the discharge electrode 5a can be set small, the long life of the discharge electrode 5a is also excellent.
  • FIG. 8 (a) is a schematic plan view showing a first modification of the head substrate of the discharge control device in Embodiment 1
  • FIG. 8 (b) is a schematic view taken along the line CC in FIG. 8 (a). It is sectional drawing.
  • the first modification of the head substrate of the discharge control device in the first embodiment is different from the first embodiment in that the head substrate 4a is covered with heat resistance and covered on the surface of the discharge part 5.
  • a flexible coating film 17 having an insulating property and the flexible coating film 17 has a substantially circular opening 17a at a position where the flexible coating film 17 hits a discharge generation site 15 (near the position of the heating element 13a) of each discharge electrode 5a. It is.
  • the flexible coating film 17 was formed in the same manner as the flexible thin film 14 described above. Instead of forming a plurality of independent openings 17a, a long hole-like opening extending over the plurality of discharge electrodes 5a may be formed.
  • a step can be formed between the surface of the discharge generation site 15 of the discharge electrode 5a and the surface of the flexible coating film 17, the gap between the discharge generation site 15 of the discharge electrode 5a and the recording medium, etc.
  • the gap can be kept constant, the contact between the discharge electrode 5a and the recording medium can be prevented, and the discharge from the discharge generation site 15 can be stabilized.
  • FIG. 9 is a schematic cross-sectional view showing a second modification of the head substrate of the discharge control device in the first embodiment.
  • the second modification of the head substrate of the discharge control device in the first embodiment is different from the first modification in that a plurality of irregularities are formed on the surface of the flexible coating film 17 of the head substrate 4b. This is the point where the portion 17b is formed.
  • FIG. 10 (a) is a schematic plan view showing a third modification of the head substrate of the discharge control device according to Embodiment 1
  • FIG. 10 (b) is a cross-sectional view of D—D in FIG. 10 (a).
  • the third modification of the head substrate of the discharge control device in the first embodiment is different from that in the first embodiment in that the horizontal direction extends from the end of the discharge electrode 5a of the head substrate 4c on the heating element 13a side.
  • Insulating electrode 14 is formed on insulating film 14a apart from each other, and flexible thin film 19 and insulating film 19a covering induction electrode 18 are formed between insulating film 14a and discharge part 5. It is a point to speak.
  • the flexible thin film 19 and the insulating film 19a are the same as the flexible thin film 14 and the insulating film 14a, respectively.
  • the induction electrode 18 was formed in a strip shape on the insulating film 14a and grounded.
  • the gap between the discharge electrode 5a of the discharge part 5 and the induction electrode 18 can be kept constant at all times, and by applying a voltage between the discharge electrode 5a and the induction electrode 18, a discharge can be reliably generated.
  • the discharge is generated by being pulled by the induction electrode 18, but by grounding the irradiated object side such as a recording medium, the ions are irradiated to the irradiated object in the same direction as when the induction electrode 18 is not provided. .
  • FIG. 11 (a) is a schematic side view showing a first modification of the heat-discharge type print head provided with the discharge control device in the first embodiment
  • FIG. 11 (b) is a discharge control device in the first embodiment
  • FIG. 6 is a schematic perspective view of an essential part showing a first modified example of a heating / discharging type print head equipped with
  • the first modification of the heat discharge type print head provided with the discharge control device in the first embodiment is different from that in the first embodiment in that the discharge generation site 15 of the discharge electrode 5a is different.
  • the head is an edge-type head disposed on the inclined edge 3b of the shape substrate 2.
  • the driver IC 6 and the discharge electrode 5a are disposed so as to form an obtuse angle.
  • the recording medium can be conveyed in a straight line and can be suitably used for a horizontal printer.
  • the discharge electrode 5a is arranged in the edge type, the heating discharge type print head lb can be arranged without being bulky in the height direction, and the electrostatic latent image carrier having various shapes can be arranged. It can be used and has excellent versatility.
  • FIG. 12 (a) is a schematic side view showing a second modification of the heat-discharge type print head provided with the discharge control device in Embodiment 1
  • FIG. 12 (b) is in FIG.
  • FIG. 10 is a schematic perspective view of a main part showing a second modification of a heat discharge type print head provided with a discharge control device.
  • the second modification of the heating discharge type print head provided with the discharge control device in the first embodiment is different from the first embodiment in that the discharge generation site 15 of the discharge electrode 5a is a shape substrate.
  • 2 is a raised head that protrudes from the driver IC6 on the raised surface of the raised portion 3c that protrudes from the surface of 2 and is formed in a gentle hill shape (arc shape, elliptical arc shape, etc.) is there.
  • Heat-discharge type print head lc can be arranged so that the shape substrate 2 and the electrostatic latent image carrier or recording medium are substantially parallel, reducing the bulkiness in the height direction and being excellent in space saving. In both cases, since the discharge electrode 5a is disposed so as to protrude from the driver IC 6, the electrostatic latent image carrier or recording medium does not interfere with the driver IC 6 or the IC cover 9, and the reliability is excellent.
  • the thickness of the flexible substrate 10 and the flexible thin film 14 of the head substrate 4 (4a, 4b, 4c) is extremely thin, for example, several ⁇ m to several tens of ⁇ m.
  • the total thickness of 4a, 4b, and 4c) can be reduced to a few tens of ⁇ m to several hundreds of ⁇ m and can be made extremely thin. Since the head substrate 4 (4a, 4b, 4c) is naturally flexible, the end surface 3a (see Fig. 1), the edge 3b (see Fig. 11), the raised portion 3c of the shape substrate 2 from the flat state.
  • the discharge control device 7 can be easily processed (deformed) by bending it in accordance with the shape of the discharge device, etc., and is not subject to restrictions on the formation technology of the discharge device such as the discharge portion 5 and the heat generation portion 13. Obtainable. Therefore, the head substrate 4 (4a, 4b, 4c) remains the same, and various forms of heating / discharge type can be achieved simply by changing the shape of the shape substrate 2 and the attachment position of the head substrate 4 (4a, 4b, 4c). Print heads la, lb, and lc can be obtained, and they are excellent in versatility and mass productivity.
  • FIG. 13 is a diagram showing an ion generation control method of the discharge control apparatus according to Embodiment 1 of the present invention.
  • discharge control voltage to the discharge electrode 5a (a voltage range in which discharge does not occur just by application! / But a discharge occurs when heated) is applied to the high voltage connected to the common electrode part 5b of the discharge part 5 Start with substrate 9a (see Figure 1).
  • the numerical values of the AC voltage and DC voltage applied to the discharge electrode 5a (common electrode portion 5b) of the discharge unit 5 can be used in various combinations.
  • the discharge electrode 5a of the discharge unit 5 is, for example, AC550Vpp A voltage of 700V was superimposed on the DC bias (triangular wave 1kHz) and applied. The voltage of AC550Vpp was superimposed to obtain the discharge stability.
  • the heating section 13 is controlled by the driver IC 6 as described in FIG. According to 13a
  • the discharge electrode 5a is selectively heated (100 to 300 ° C.). Discharge occurs as shown by the arrows in FIGS. 3 and 8 to 12 at an applied voltage in the range from the discharge generation site 15 of the selectively heated discharge electrode 5a to the discharge control voltage.
  • an electrostatic force is applied to the electrostatic latent image carrier and the recording medium.
  • ions are irradiated.
  • An electrostatic latent image is formed on the surface of the electrostatic latent image carrier irradiated with ions.
  • an electrostatic latent image can be formed or an image can be formed by an oxidation-reduction reaction.
  • An image can also be formed on a recording medium that reacts to light emission such as ultraviolet rays and visible rays.
  • the heating discharge type print head la provided with the discharge control device 7 in Embodiment 1 has a high voltage substrate 9a disposed on the back surface of the IC cover 9 as shown in FIG.
  • the electrical wiring for applying the discharge control voltage can be shortened, and the high-voltage board 9a can be handled integrally with the heat-discharge type print head la.
  • the heat-discharge type print head la and the high-voltage board 9a can be moved together, so that the electrical wiring is less likely to be loaded and has poor continuity. Generation can be reduced.
  • the arrangement position of the high-voltage substrate 9a is not limited to the present embodiment, and it is sufficient that the discharge control voltage can be applied to the common electrode portion 5b of the discharge portion 5.
  • the high voltage substrate 9a (see FIG. 1) is not shown, but it can be provided in the same manner as in the first embodiment. As described above, the head substrate according to Embodiment 1 has the following effects.
  • the flexible substrate 10 on which the discharge devices such as the heat generating portion 13 and the discharge portion 5 are formed can be bent, after the discharge device is formed on the flexible substrate 10 in a flat state by a technically easy method.
  • the flexible substrate 10 can be deformed (curved) into a desired shape, and fixed along the shape of the shape substrate 2, so that the desired shape can be obtained using a simple technology (previously, advanced technology was required)
  • the heat discharge type print head la can be manufactured with excellent productivity.
  • the heating control by the heating element 13a can be selectively performed with the discharge control voltage applied to the discharge electrode 5a.
  • the amount of ions generated can be controlled, and the image can be recorded on a dedicated recording medium such as an electrostatic developing digital vapor. Can be formed.
  • the flexible thin film 14 covering the heat generating part 13 has heat resistance and insulation, it is connected to the heat generating element 13a and the heat generating element 13a that are not thermally deformed by the heat generated by the heat generating element 13a.
  • the electrode can be protected to ensure insulation from the discharge electrode 5a, and the discharge electrode 5a can be heated.
  • a step can be formed between the surface of the discharge generation site 15 and the surface of the flexible coating film 17.
  • the gap between the discharge electrode 5a and the recording medium arranged opposite to the discharge electrode 5a can be kept constant, the contact with the discharge generation site 15 can be prevented, and the discharge from the discharge generation site 15 can be stabilized.
  • many irregularities 17b are provided on the surface of the flexible coating film 17, the surface distance is extended to increase the surface resistance, and the current flows from the discharge generation site 15 of the stripped discharge electrode 5a to the surroundings. As a result, the driver IC 6 used for the discharge control is not adversely affected, and the stability of the discharge control can be improved. Since there is no leakage, the applied voltage applied to the discharge electrode 5a does not drop and the discharge is stable and efficient.
  • the oxide film formed on both sides of the aluminum foil that is the base material of the flexible substrate 10 is alumina, it has excellent adhesion between the metal foil and the oxide film, and the insulation and durability of the flexible substrate 10 Can be improved.
  • the metal foil used as the base material of the flexible substrate 10 is formed of aluminum, the thermal conductivity of the flexible substrate 10 can be improved, and excess heat from the discharge electrode 5a and the heat generating portion 13 can be removed.
  • the flexible substrate 10 can be efficiently transmitted to the shape substrate 2 to which the flexible substrate 10 is fixed and escaped, and the efficiency and reliability of discharge generation can be improved.
  • the oxide film of the flexible substrate 10 is formed of alumina, it is chemically stable, has excellent heat resistance and insulation, and has high thermal conductivity, improving the reliability of discharge control. Can be made.
  • the flexible substrate 10 having an oxide film formed on the surface of the metal foil is excellent in heat resistance, when the heat generating portion 13 is formed, in addition to using a thin film technology such as sputtering or vapor deposition, baking is performed at a high temperature. Therefore, it is possible to use a thick film technique that requires high-quality, and it is excellent in mass productivity.
  • the discharge control device using the head substrate in the first embodiment has the following effects.
  • the discharge electrode 5a can be selectively heated based on the image data to generate discharge, and the reliability of discharge control Excellent.
  • the discharge time at the discharge electrode 5a can be controlled, and the amount of ions generated and the intensity of emitted light can be controlled. Therefore, the area gradation on the recording medium can be easily performed, and the image quality can be improved.
  • the heat-discharge type print head provided with the discharge control device according to Embodiment 1 has the following effects.
  • the head substrate 10 has flexibility, it is possible to change the shape of the shape substrate 2 and the fixing position of the discharge part 5 with respect to the shape substrate 2.
  • driver IC6 is placed on the surface of shape substrate 2 and discharge electrode 5a is placed on end surface 3a of shape substrate 2 so that driver IC6 and discharge electrode 5a are substantially perpendicular to each other
  • the print head la can be transported in a straight line rather than being bent like a digital paper or the like, and can be suitably used for a horizontal printer.
  • the heating discharge type print head la in which the discharge unit 5 is arranged in the end face type, can be narrowed in the width of the part facing the electrostatic latent image carrier and the recording medium, and arranged without being bulky in the horizontal direction. Since it can be used, it can be applied to various types of electrostatic latent image carriers and has excellent versatility.
  • the type print head lb can be conveyed in a straight line rather than being bent like a digital paper or the like, and can be suitably used for a horizontal printer.
  • Heating discharge type print head lb whose discharge unit 5 is arranged in an edge type When facing the recording medium, it can be arranged without being bulky in the height direction, and can correspond to a variety of shapes of electrostatic latent image carriers, and is excellent in versatility.
  • the driver IC 6 is arranged on the surface of the shape substrate 2, and the discharge electrode 5a is arranged on the raised surface of the raised portion 3c formed on the surface of the shape substrate 2, so that the discharge electrode 5a protrudes from the driver IC 6.
  • the heating / discharge-type print head lc which should not be bent particularly like a digital paper, can convey a recording medium in a straight line, and can be suitably used for a horizontal printer.
  • the heating discharge type print head lc in which the discharge unit 5 is arranged in a raised form, can be arranged without being bulky in the height direction when the discharge unit 5 is opposed to the recording medium. It can be applied to any shape of electrostatic latent image carrier and has excellent versatility.
  • the shape substrate 2 Since the shape substrate 2 is made of a material having thermal conductivity, the shape substrate 2 acts as a heat sink, so that it is possible to reduce the number of parts and manufacturing steps that do not require a separate heat sink, Mass productivity can be improved.
  • a heating / discharging print head provided with the discharge control device according to the second embodiment of the present invention will be described below with reference to the drawings.
  • symbol is attached
  • FIG. 14 (a) is a schematic side view showing a heat discharge type print head provided with the discharge control device according to the second embodiment
  • FIG. 14 (b) is a calorie heat discharge provided with the discharge control device according to the second embodiment. It is a principal part model perspective view which shows a type
  • the heating discharge type print head Id provided with the discharge control device 7 in the second embodiment is different from that in the first embodiment in that the discharge electrode 5a is disposed in the vicinity of the lowermost portion of the shape substrate 2. Similar to the discharge needle of the electrostatic plotter, it is a vertical discharge type that corresponds to a horizontal printer type that is arranged perpendicular to the recording medium.
  • the heat discharge type print head Id is excellent in mass productivity and is suitably used as a model compatible with horizontal printers. be able to.
  • FIG. 15 (a) is a plan development view of the main part of the head substrate of the discharge control device according to the second embodiment
  • FIG. 15 (b) is a cross-sectional view taken along the line EE in FIG. 15 (a).
  • the head substrate 4d of the discharge control device 7 according to the second embodiment is different from the head substrate 4 of the discharge control device 7 according to the first embodiment in that it is located on the lowermost surface (front end) side of the discharge electrode 5a.
  • the discharge part 5 is covered with a flexible thin film 20 similar to the flexible thin film 14 and the flexible coating film 17 within a range that does not prevent the downward irradiation of ions, leaving a portion of the downward force from the discharge generation site 15 Is a point.
  • the manufacturing method of the head substrate 4d of the discharge control device 7 in the second embodiment is the same as that in the first embodiment except that the number of steps for forming the flexible thin film 20 is increased, and the description thereof is omitted.
  • the discharge control device 7 in the second embodiment is different from the first embodiment only in the ion irradiation direction, and the ion generation control method is the same as that in the first embodiment, so that the description thereof is omitted.
  • the head substrate and the discharge control apparatus using the head substrate in the second embodiment have the same operations as those in the first embodiment.
  • the discharge electrode 5a does not discharge from an extra portion other than the discharge generation site 15, the leakage from the discharge section 5 does not cause damage to the driver IC 6 and has excellent discharge control stability. By eliminating this, it is possible to prevent a decrease in the applied voltage applied to the discharge electrode 5a and improve the stability of the discharge.
  • Embodiment 3 of the present invention will be described below with reference to the drawings.
  • the same components as those in the first or second embodiment are denoted by the same reference numerals and description thereof is omitted.
  • FIG. 16 is a plan development view of the main part of the head substrate of the discharge control device according to the third embodiment.
  • FIG. 17 (a) is a cross-sectional view taken along the line FF of FIG. 16, and
  • FIG. FIG. 16 is a cross-sectional view taken along line G-G.
  • the head substrate 4e of the discharge control device in the third embodiment is different from that in the first embodiment in that the discharge is performed via the insulating film 1 Oa on one surface side of both surfaces of the flexible substrate 10.
  • the discharge portion 5 having the electrode 5a is formed, and the heat generating portion 13 for heating the discharge electrode 5a is formed on the other surface side.
  • the manufacturing method of the head substrate 4e of the discharge control device in the third embodiment is different from the first embodiment in that the discharge part 5 and the heat generating part 13 are formed on the front and back of the flexible substrate 10, and each step. Is the same as in the first embodiment, and a description thereof will be omitted.
  • the force insulating film 10a in which the insulating film 10a similar to the insulating film 14a described above is formed only on the upper surface of the flexible substrate 10 is provided on at least one surface of both surfaces of the flexible substrate 10. What is necessary is just to form. Thereby, the discharge part 5 and the heat generating part 13 can be reliably insulated. Further, in the double-sided laminated head substrate 4e, when the discharge part 5 and the heat generating part 13 are formed on different surfaces of the flexible substrate 10, respectively, either may be formed first.
  • FIG. 18 (a) shows a first modification of the head substrate of the discharge control device according to the third embodiment.
  • FIG. 18 (b) is a schematic cross-sectional view taken along line H—H in FIG. 18 (a).
  • the first modification of the head substrate of the discharge control device in the third embodiment is different from the third embodiment in that the head substrate 4f is covered with the heat resistance and insulation covered on the surface of the discharge part 5.
  • Flexible coating film 17, and the flexible coating film 17 has a substantially circular opening 17 a at a position corresponding to the discharge generation site 15 (near the position of the heating element 13 a) of each discharge electrode 5 a. .
  • the flexible coating film 17 was formed in the same manner as the flexible thin film 14 described above. Instead of forming the plurality of independent openings 17a, a long hole-like opening extending over the plurality of discharge electrodes 5a may be formed! /.
  • a step can be formed between the surface of the discharge generation site 15 of the discharge electrode 5a and the surface of the flexible coating film 17, the gap between the discharge generation site 15 of the discharge electrode 5a and the recording medium, etc.
  • the gap can be kept constant, the contact between the discharge electrode 5a and the recording medium can be prevented, and the discharge from the discharge generation site 15 can be stabilized.
  • FIG. 19 is a schematic cross-sectional view showing a second modification of the head substrate of the discharge control device according to the third embodiment.
  • the second modification of the head substrate of the discharge control device in the third embodiment is different from the first modification in that a plurality of uneven portions 17b are formed on the surface of the flexible coating film 17 of the head substrate 4g. It is a point that is formed.
  • the surface distance of the flexible coating film 17 can be extended and the surface resistance can be increased, and leakage from the discharge generation site 15 of the discharge electrode 5a to the surroundings can be easily prevented.
  • the uneven portion 17b on the surface of the flexible coating film 17 can be easily formed by screen printing or the like. Alternatively, an uneven portion may be formed on the surface of the flexible covering film 17 using the same material as the insulating film 10a.
  • FIG. 20 (a) is a schematic plan view showing a third modification of the head substrate of the discharge control device according to the third embodiment
  • FIG. 20 (b) is a diagram of I—I in FIG. 20 (a).
  • the third modification of the head substrate of the discharge control device in the third embodiment differs from the third embodiment in the end of the discharge electrode 5a of the head substrate 4h on the heating element 13a side. And a flexible thin film 19 and an insulating film 19a covering the induction electrode 18 between the insulating film 1 Oa and the discharge part 5; It is a point that is formed.
  • the induction electrode 18 was formed in a strip shape on the insulating film 14a and grounded.
  • the gap between the discharge electrode 5a of the discharge part 5 and the induction electrode 18 can be kept constant at all times, and by applying a voltage between the discharge electrode 5a and the induction electrode 18, a discharge can be reliably generated.
  • the discharge is generated by being pulled by the induction electrode 18, but by grounding the irradiated object side such as a recording medium, the ions are irradiated to the irradiated object in the same direction as when the induction electrode 18 is not provided. .
  • the head substrate 4e (4f, 4g, 4h) of the discharge control device 7 in the third embodiment is very flexible
  • the head substrate 4 (4a, 4b, 4h) of the discharge control device 7 in the first embodiment Similar to 4c), it can be easily processed (deformed) from the planar state by bending it along the shape of the end face portion 3a, edge portion 3b, raised portion 3c, etc. of the shaped substrate 2.
  • Heat-discharge type print heads la, lb and lc similar to those in form 1 can be obtained.
  • the head substrate in the third embodiment has the following operation in addition to the operation in the first embodiment.
  • the flexible substrate 10 has heat resistance and insulation, it is not thermally deformed by the heat generated by the heating element 13a, and the electrodes connected to the heating element 13a and the heating element 13a are protected and discharged. Insulation with the electrode 5a can be ensured, and the discharge electrode 5a can be heated.
  • the high temperature heat generating part 13 can be prevented from being exposed, and insulation between the heat generating part 13 and the outside can be ensured, resulting in excellent safety.
  • Embodiment 4 of the present invention will be described below with reference to the drawings.
  • the same components as those in the first to third embodiments are denoted by the same reference numerals and description thereof is omitted.
  • FIG. 21 is a configuration diagram showing the head substrate of the discharge control device of the discharge device separation type according to the fourth embodiment
  • FIG. 22 (a) shows the head substrate of the discharge control device of the discharge device separation type according to the fourth embodiment.
  • FIG. 22 (b) is a schematic cross-sectional view showing the heat generating unit of the head substrate of the discharge control device of the discharge device separation type in Embodiment 4
  • FIG. 22 (c) is a schematic cross-sectional view showing the discharge unit.
  • FIG. 22 is a schematic cross-sectional view showing the head substrate of the discharge control device of the discharge device separation type in Embodiment 4
  • FIG. 22 (d) is a modification of the head substrate of the discharge control device of the discharge device separation type of Embodiment 4.
  • FIG. 22 (b) is a schematic cross-sectional view showing the heat generating unit of the head substrate of the discharge control device of the discharge device separation type in Embodiment 4
  • FIG. 22 (c) is a schematic cross-sectional view showing the
  • the head substrate of the discharge control device in the fourth embodiment is different from the first to third embodiments in that the discharge part 5 and the heat generating part 13 are separately formed on the flexible substrate 10.
  • the discharge unit 21 and the heat generation unit 22 are combined, and the discharge unit 21 is combined with the heat generation unit 22 to form the head substrates 4i and 4j.
  • FIGS. 22 (a) and 22 (b) the manufacturing method capabilities of the discharge unit 21 and the heat generation unit 22 of the head substrate of the discharge control device according to the fourth embodiment are different from the third embodiment in that they are separate flexible
  • the discharge part 5 and the heat generating part 13 are formed on the substrate 10, and the respective steps are the same as those in the third embodiment, and the description thereof is omitted.
  • the discharge unit 21 and the heat generation unit 22 are bonded together. 22d, or as shown in FIG. 22 (d), the discharge unit 5 of the discharge unit 21 and the heat generation unit 13 of the heat generation unit 22 are back to back, and the flexible substrates 10 are bonded together to form the head substrate. It may be 4j.
  • the discharge unit 21 and the heat generating unit 22 are fixed with jigs for fixing the longitudinal ends and outer peripheral portions of the discharge unit 21 and the heat generating unit 22 from above and below instead of being bonded together with a heat-resistant adhesive. It is good also as attachment or detachment by pinching and fixing.
  • the fixing jig may be fixed by a detachable fixing means such as pin fitting or screwing. Positioning of the discharge unit 21 and the heat generation unit 22 can be performed by pin fitting with a pin protruding from one of the discharge unit 21 and the heat generation unit 22 and a fitting hole formed in the other.
  • the flexible substrate 10 of both the discharge unit 21 and the heat generating unit 22 may be provided with fitting holes, and both may be positioned and fixed using pins of a fixing jig.
  • the heat generating unit 22 has a function of heating the discharge unit 21, and may be formed on a hard substrate such as ceramic instead of being formed on the flexible substrate 10 having flexibility.
  • a hard substrate such as ceramic
  • an existing thermal head can be used as the heat generating unit 22, and the heat discharge type print head obtained in this way is a conventional flat print. It can be used as a head.
  • the flexible coating film 17 having the opening 17a is formed on the surface of the discharge section 5
  • a plurality of irregularities may be formed on the surface of the flexible coating film 17 or the flexible coating film. 17 is not necessary
  • discharge unit 21 and the heat generating unit 22 can be manufactured as separate parts, the respective manufacturing processes of the discharge unit 21 and the heat generating unit 22 can be simplified, yield can be improved, and mass productivity is excellent.
  • the discharge unit 21 and the heat generating unit 22 are detachable, they can be easily replaced or repaired if any one of them fails, especially when the discharge electrode 5a is worn. Since the discharge unit 21 can be replaced, the running cost of the discharge control device 7 can be reduced, and the maintenance and resource saving are excellent. In particular, a remarkable effect can be obtained when an existing thermal head is used as the heating unit 22.
  • the operation is the same as in the first or third embodiment. .
  • FIG. 23 is a schematic perspective view of an essential part showing the thermal head in the fifth embodiment.
  • symbol is attached
  • reference numeral 30 denotes a heating element 13a of the heating unit 22a so that the heating element 13a of the heating unit 13a is substantially perpendicular to the surface of the shape substrate 2a on the end surface portion 3a of the flat shape substrate 2a formed of a material such as an anorium.
  • 6 is an end face type thermal head according to the fifth embodiment.
  • FIG. 24 is a plan development view of the main part showing the heat generating unit of the thermal head in the fifth embodiment
  • FIG. 25 (a) is a cross-sectional view taken along the line JJ in FIG. 24,
  • FIG. FIG. 10 is a sectional view taken along the line K—K.
  • 14b is formed of heat-resistant and insulating glass covered on the upper surface of the flexible substrate 10 except for the end portion of the heating common electrode portion 1 lb and the heating individual electrode 12. It is a protective film.
  • the heating unit 22a of the thermal head 30 in the fifth embodiment has the same configuration as the heating unit 22 of the head substrate 4i of the discharge control device 7 in the fourth embodiment.
  • the method of manufacturing the heat generating unit 22a of the thermal head 30 in the fifth embodiment is different from the heat generating unit 22 of the head substrate 4i of the discharge control device 7 in the fourth embodiment.
  • a protective film 14b is formed with glass. Heat-generating common conductor pattern 11, Heat-generating comb electrode 11a, Heat-generating common electrode part l ib, Heat-generating individual electrode 12 Conductor (electrode), Heat-generating element 13a TaSiO or RuO, Protective film 14b
  • Each thick glass-type heat generating part 13 can be easily formed by applying and baking each glass paste on the flexible substrate 10 in a flat state and patterning using a photolithographic technique.
  • the arrangement method of the heat generating portion 13 is an end face type, but the shape of the shape substrate 2a and
  • an edge-type or raised-type thermal head similar to the heat-discharge type print heads lb, lc shown in FIGS. 11 and 12 can be obtained.
  • the heat generating portion 13 of the heat generating unit 22a can also be formed in a thin film type using a film forming technique such as sputtering or vacuum deposition.
  • the flexible substrate 10 of the heat generating unit 22a can be bent, the flexible substrate 10 is formed after forming the heat generating portion 13 and the like on the planar flexible substrate 10 using a technically easy thick film technology. Each unit can be deformed (curved) into a desired shape, and by fixing the heat generating unit 22a along the shape of the shape substrate 2a, a simple technique can be used.
  • the thermal head 30 is manufactured with high productivity.
  • the thermal head 30 of various shapes can be manufactured using the common heat generating unit 22a. Excellent.
  • the heat generating part 13 is covered with a heat-resistant and insulating protective film 14b.
  • the heat generating part 13 can be protected to prevent damage, and the heat generating unit 22a has excellent durability and long life.
  • the heat of the heat generating part 13 can be transferred to the shape substrate 2a and escaped to the heat generating part 13. This prevents the heat build-up from occurring, improves the print stop response to the heating stop of the heat generating part 13 and increases the print speed, and forms a high-quality image without a tail. Can be reliable in image quality.
  • the oxide film formed on both surfaces of the aluminum foil that is the base material of the flexible substrate 10 is alumina, it has excellent adhesion between the metal foil and the oxide film, and the insulating and durability of the flexible substrate 10 Can be improved.
  • the metal foil used as the base material of the flexible substrate 10 is formed of aluminum, the thermal conductivity of the flexible substrate 10 can be improved, and the flexible substrate 10 It can be efficiently transmitted to the fixed shape substrate 2a and escaped, and the printing stop response to the heating stop of the heat generating part 13 is excellent, and the reliability of the image quality is excellent.
  • the oxide film of the flexible substrate 10 is made of alumina, it is chemically stable, has excellent heat resistance and insulation properties, and has high thermal conductivity, improving the reliability of discharge control. It is out.
  • a recording medium such as a plastic card or cardboard that is elastic and difficult to be bent can be conveyed in a straight line, and can be suitably used for a horizontal printer.
  • the arrangement of the heat generating portion 13 is an end face type, the width of the portion facing the recording medium can be reduced and the arrangement can be made without being bulky in the horizontal direction.
  • the heat from the heating element 13a with a small contact area between the heat generating part 13 and the recording medium does not spread in the scanning direction and forms a high-quality image without blurring.
  • the image quality is highly reliable.
  • the flexible substrate 10 with an oxide film formed on the surface of the metal foil is excellent in heat resistance.
  • a thick film technique that requires baking at a high temperature can be used, which is excellent in mass productivity.
  • the substrate on which the discharge device is formed is processed into a desired shape.
  • a head substrate that is superior in workability and assembly workability, can overcome limitations on the formation technology of the substrate and discharge device and can be designed and mass-produced, and by improving the thermal conductivity of the substrate Offers a discharge control device that uses a head substrate with excellent discharge stop response to heat stop and excellent discharge control reliability, small size, excellent mass productivity, easy installation, and writing without bending the recording medium
  • a heat generating part can be formed on a planar substrate using thin film technology or thick film technology.
  • a heating means such as a heat discharge type discharge control device that can be used only as a print head, and is excellent in design flexibility and versatility, and is improved by improving the thermal conductivity of the substrate. It is possible to provide a thermal head that is excellent in response to printing stop and excellent in image quality reliability, and can be used for horizontal printer compatible print heads and heating means.

Landscapes

  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)

Abstract

La présente invention concerne une tête d'impression du type à décharge par chauffage qui présente d'excellentes caractéristiques d'aptitude à la mise en oeuvre et de traitement sur une chaîne du fait de la flexibilité donnée à un substrat, après la formation, sur un substrat plat, du dispositif de décharge comportant une partie chauffante et une partie de décharge, ledit substrat sur lequel est formé un dispositif de décharge pouvant être fabriqué sous une forme désirée lorsque, après la formation du dispositif de décharge comportant une partie chauffante et une partie de décharge, on donne une certaine souplesse au substrat lui-même. On obtient une souplesse de conception et une caractéristique de production en masse du fait qu'on élimine les contraintes technologiques liées aux formations du substrat et du dispositif de décharge; on assure l'arrêt de la décharge en réponse à l'arrêt du chauffage par une amélioration de la conductivité thermique du substrat; on assure la fiabilité de la commande de décharge et la production en masse ainsi que la souplesse d'installation avec une petite taille. La tête d'impression comprend un substrat de tête comportant un substrat souple comportant une feuille de métal sur les côtés de laquelle des films d'oxyde sont formés et présentant des propriétés de résistance à la chaleur et d'isolation électrique; une partie chauffante formée sur le substrat souple et comportant un élément chauffant; un film mince souple qui recouvre la partie chauffante et présente des propriétés de résistance à la chaleur et d'isolation thermique et une partie de décharge qui comprend une électrode de décharge devant être chauffée par l'élément chauffant formé sur le film mince souple.
PCT/JP2006/310402 2006-05-24 2006-05-24 Substrat de tête et appareil commandant la décharge comprenant un tel substrat de tête, tête d'impression du type à décharge par chauffage équipée d'un tel appareil commandant la décharge, et tête thermique WO2007135747A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007530088A JP4263759B2 (ja) 2006-05-24 2006-05-24 ヘッド基板とそれを用いた放電制御装置、その放電制御装置を備えた加熱放電型印字ヘッド
PCT/JP2006/310402 WO2007135747A1 (fr) 2006-05-24 2006-05-24 Substrat de tête et appareil commandant la décharge comprenant un tel substrat de tête, tête d'impression du type à décharge par chauffage équipée d'un tel appareil commandant la décharge, et tête thermique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/310402 WO2007135747A1 (fr) 2006-05-24 2006-05-24 Substrat de tête et appareil commandant la décharge comprenant un tel substrat de tête, tête d'impression du type à décharge par chauffage équipée d'un tel appareil commandant la décharge, et tête thermique

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WO2007135747A1 true WO2007135747A1 (fr) 2007-11-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955254A (zh) * 2014-03-28 2015-09-30 株式会社大福 除电装置及具备该除电装置的输送装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63288760A (ja) * 1987-05-21 1988-11-25 Nec Corp サ−マルヘツド
WO2005087496A1 (fr) * 2004-03-11 2005-09-22 Fukuoka Technoken Kogyo, Co., Ltd. Tete d’impression et dispositif de formation d’image pourvu de la tete d’impression

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63288760A (ja) * 1987-05-21 1988-11-25 Nec Corp サ−マルヘツド
WO2005087496A1 (fr) * 2004-03-11 2005-09-22 Fukuoka Technoken Kogyo, Co., Ltd. Tete d’impression et dispositif de formation d’image pourvu de la tete d’impression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955254A (zh) * 2014-03-28 2015-09-30 株式会社大福 除电装置及具备该除电装置的输送装置
CN108463043A (zh) * 2014-03-28 2018-08-28 株式会社大福 除电装置及具备该除电装置的输送装置
TWI672076B (zh) * 2014-03-28 2019-09-11 Fisa Corporation 除電裝置及具有該裝置的搬送裝置

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