WO2015099149A1 - サーマルヘッドおよびサーマルプリンタ - Google Patents
サーマルヘッドおよびサーマルプリンタ Download PDFInfo
- Publication number
- WO2015099149A1 WO2015099149A1 PCT/JP2014/084605 JP2014084605W WO2015099149A1 WO 2015099149 A1 WO2015099149 A1 WO 2015099149A1 JP 2014084605 W JP2014084605 W JP 2014084605W WO 2015099149 A1 WO2015099149 A1 WO 2015099149A1
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- WIPO (PCT)
- Prior art keywords
- heat generating
- corner
- electrode
- thermal head
- substrate
- Prior art date
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Classifications
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33505—Constructional details
- B41J2/3351—Electrode layers
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33505—Constructional details
- B41J2/33515—Heater layers
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33505—Constructional details
- B41J2/3353—Protective layers
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/3354—Structure of thermal heads characterised by geometry
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33555—Structure of thermal heads characterised by type
- B41J2/3357—Surface type resistors
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33505—Constructional details
- B41J2/33525—Passivation layers
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- 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
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
- B41J2/33505—Constructional details
- B41J2/33535—Substrates
Definitions
- the present invention relates to a thermal head and a thermal printer.
- various thermal heads have been proposed as printing devices such as facsimiles or video printers.
- a plurality of electrodes electrically connected to each other are known (see Patent Document 1).
- the electrode has an upper surface, a side surface facing the recording medium conveyance direction, and a first corner where the side surface and the upper surface intersect.
- thermal head in which a plurality of heat generating portions are arranged on the downstream side in the recording medium conveyance direction from the top of the protruding portion, whereby the thermal head can be improved in image quality and speeded up.
- the first corner portion is formed on the top portion of the protruding portion.
- the top of the protrusion has the largest pressing force from the platen roller, and there is a possibility that the print residue peeled off from the recording medium adheres to the first corner.
- a thermal head includes a substrate, a heat storage layer provided on the substrate and having a protruding portion protruding upward from the substrate, and a plurality of heat generation provided on the protruding portion. And a plurality of electrodes provided on the substrate and electrically connected to the plurality of heat generating portions.
- the plurality of heat generating portions are arranged on the downstream side in the recording medium conveyance direction from the top of the protruding portion.
- the electrode has an upper surface, a side surface facing the recording medium conveyance direction, and a first corner where the side surface and the upper surface intersect each other upstream of the top of the protrusion.
- an inclination angle from the substrate of an imaginary line connecting an intersection of the imaginary line hanging downward from the top of the protruding portion and the substrate and the first corner is 75 ° or less. It is.
- a thermal printer includes the thermal head, a transport mechanism that transports a recording medium onto a plurality of heat generating units, and a platen roller that presses the recording medium onto the plurality of heat generating units. I have.
- FIG. 1 is a plan view showing a thermal head according to a first embodiment of the present invention. It is the II sectional view taken on the line shown in FIG. It is a top view which expands and shows the heat-emitting part vicinity of the thermal head shown in FIG. It is the II-II sectional view taken on the line shown in FIG.
- FIG. 4 is a sectional view taken along line III-III shown in FIG. 3.
- 1 is a schematic diagram showing a thermal printer according to a first embodiment of the present invention. It is a top view which expands and shows the heat generating part vicinity of the thermal head which concerns on the 2nd Embodiment of this invention.
- FIG. 1 a region where the FPC 5 is arranged is indicated by a one-dot chain line. Moreover, in FIG. 1, the area
- the thermal head X1 includes a radiator 1, a head substrate 3 disposed on the radiator 1, and a flexible printed wiring board 5 (hereinafter referred to as FPC 5) connected to the head substrate 3.
- FPC 5 flexible printed wiring board 5
- the heat radiator 1 is formed in a plate shape and has a rectangular shape in plan view.
- the heat radiator 1 has a plate-like base part 1a and a protruding part 1b protruding from the base part 1a.
- the radiator 1 is formed of a metal material such as copper, iron, or aluminum, for example, and has a function of radiating heat that does not contribute to printing out of heat generated in the heat generating portion 9 of the head base 3. .
- the head base 3 is bonded to the upper surface of the base portion 1a by a double-sided tape or an adhesive (not shown).
- the head base 3 is formed in a plate shape in plan view, and each member constituting the thermal head X1 is provided on the substrate 7 of the head base 3.
- the head base 3 has a function of printing on a recording medium (not shown) in accordance with an electric signal supplied from the outside.
- the FPC 5 is a wiring board that is electrically connected to the head base 3 and has a function of supplying a current and an electric signal to the head base 3.
- the FPC 5 is provided with a plurality of patterned printed wirings (not shown) inside the insulating resin layer, one end of the printed wiring is exposed from the resin layer, and the other end is electrically connected to the connector 31. Connected.
- the printed wiring is connected to the connection electrode 21 of the head base 3 through the bonding material 23.
- the bonding material 23 include an anisotropic conductive film (ACF) in which conductive particles are mixed in a solder material or an electrically insulating resin.
- the example which used FPC5 as a wiring board was shown, you may use a hard wiring board instead of flexible FPC5.
- a hard printed wiring board the board
- the head base 3 and the outside may be electrically connected by directly joining the connector 31 to the head base 3.
- the substrate 7 has a rectangular shape in plan view, and has one long side 7a, the other long side 7b, one short side 7c, and the other short side 7d.
- the substrate 7 is formed of an electrically insulating material such as alumina ceramic or a semiconductor material such as single crystal silicon.
- a heat storage layer 13 is formed on the upper surface of the substrate 7.
- the heat storage layer 13 includes a base portion 13a and a protruding portion 13b.
- the base portion 13 a is formed over the entire upper surface of the substrate 7.
- the protruding portion 13b extends in a strip shape along the arrangement direction of the plurality of heat generating portions 9 (hereinafter sometimes referred to as the main scanning direction), and has a substantially semi-elliptical cross section.
- the protrusion 13b functions to favorably press the recording medium to be printed against the protective layer 25 formed on the heat generating portion 9.
- the protruding portion 13b includes a top portion 13b1, an edge portion 13b2, and an edge portion 13b3.
- the heat storage layer 13 is formed of glass having low thermal conductivity, and by temporarily storing a part of the heat generated in the heat generating part 9, the time required to raise the temperature of the heat generating part 9 is shortened. can do. Thereby, the thermal response characteristic of the thermal head X1 can be improved.
- the heat storage layer 13 is formed, for example, by applying a predetermined glass paste obtained by mixing a glass powder with an appropriate organic solvent onto the upper surface of the substrate 7 by screen printing or the like known in the art, and baking it.
- the electrical resistance layer 15 is provided on the upper surface of the heat storage layer 13, and the common electrode 17, the folded electrode 18, the individual electrode 19, and the connection electrode 21 are provided on the electrical resistance layer 15.
- the electric resistance layer 15 is patterned in the same shape as the common electrode 17, the folded electrode 18, the individual electrode 19, and the connection electrode 21, and the electric resistance layer 15 is interposed between the folded electrode 18 and the common electrode 17 or the individual electrode 19. Has an exposed area.
- the heat generating unit 9 includes a first heat generating unit 9a, a second heat generating unit 9b, a third heat generating unit 9c, and a fourth heat generating unit 9d.
- the plurality of heat generating portions 9 are illustrated in a simplified manner in FIG. 1 for convenience of explanation, but are arranged at a density of, for example, 100 dpi to 2400 dpi (dot per inch).
- the electric resistance layer 15 is formed of a material having a relatively high electric resistance such as TaN, TaSiO, TaSiNO, TiSiO, TiSiCO, or NbSiO. Therefore, when a voltage is applied to the heat generating portion 9, the heat generating portion 9 generates heat due to Joule heat generation.
- a plurality of common electrodes 17, a plurality of folded electrodes 18, a plurality of individual electrodes 19, and a plurality of connection electrodes 21 are provided on the upper surface of the electric resistance layer 15.
- the common electrode 17, the individual electrode 19, and the connection electrode 21 are formed of a conductive material, for example, any one of aluminum, gold, silver, and copper, or an alloy thereof. ing.
- the common electrode 17 is connected to the FPC 5, the second heat generating part 9b, and the third heat generating part 9c. Therefore, the second heat generating portion 9b and the FPC 5 are connected by the common electrode 17, and the third heat generating portion 9c and the FPC 5 are connected by the common electrode 17.
- the common electrode 17 has a narrow portion 6, and the first corner portion 8 is formed by the narrow portion 6.
- the narrow portion 6 is configured to have a width smaller than a length obtained by adding the width of the connecting portion 17a connected to the second heat generating portion 9b and the width of the connecting portion 17a connected to the third heat generating portion 9c.
- the common electrode 17 is branched into two by a branching portion, the connecting portion 17a of one of the branched common electrodes 17 is connected to the second heat generating portion 9b, and the connecting portion 17a of the other branched common electrode 17 is connected. It is connected to the third heat generating part 9c.
- the third corner portion 14 is formed by the branch portion 17 a of the common electrode 17.
- the folded electrode 18 has a first folded electrode 18a and a second folded electrode 18b.
- the folded electrode 18 electrically connects the adjacent heat generating portions 9.
- the first folded electrode 18a has a first connection portion 18a1 and a second connection portion 18a2, and one end of the first connection portion 18a1 is connected to the first heat generating portion 9a. At the portion 18a2, the other end is connected to the second heat generating portion 9b.
- the second folded electrode 18b has a first connection portion 18b1 and a second connection portion 18b2, and one end of the first connection portion 18b1 is connected to the third heat generating portion 9c, and the second connection portion. At 18b2, the other end is connected to the fourth heat generating portion 9d.
- the first folded electrode 18a has a C shape in plan view. The side wall connecting the first connection portion 18 a 1 and the second connection portion 18 a 2 of the first folded electrode 18 a forms the fourth corner portion 16. The same applies to the second folded electrode 18b.
- the individual electrode 19 has a first individual electrode 19a and a second individual electrode 19b.
- the individual electrode 19 has one end connected to the heat generating unit 9 and the other end connected to the drive IC 11 to electrically connect each heat generating unit 9 and the drive IC 11.
- the first individual electrode 19a is connected to the first heat generating part 9a, and the second individual electrode 19a is connected to the fourth heat generating part 9d.
- the individual electrode 19 has a wide portion 4, and the second corner portion 10 is formed by the wide portion 4.
- the plurality of connection electrodes 21 have one end connected to the drive IC 11 and the other end connected to the FPC 5 to electrically connect the drive IC 11 and the FPC 5.
- the plurality of connection electrodes 21 connected to each driving IC 11 are composed of a plurality of wirings having different functions.
- the drive IC 11 is disposed corresponding to each group of the plurality of heat generating portions 9 and is connected to the individual electrode 19 and the connection electrode 21.
- the drive IC 11 has a function of controlling the energization state of each heat generating unit 9.
- a switching member having a plurality of switching elements inside may be used as the drive IC 11.
- the electric resistance layer 15, common electrode 17, folded electrode 18, individual electrode 19, and connection electrode 21 may be formed by, for example, a conventionally known thin film forming technique such as a sputtering method on the heat storage layer 13. Then, the stacked body is formed by processing into a predetermined pattern using a conventionally known photoetching or the like. Note that the common electrode 17, the folded electrode 18, the individual electrode 19, and the connection electrode 21 can be simultaneously formed by the same process.
- a protective layer 25 is provided from one end to the other end in the main scanning direction.
- the protective layer 25 extends from one long side 7 a of the substrate 7 to the heat generating portion 9.
- the common electrode 17, the folded electrode 18, and the individual electrodes 19 are partially covered.
- the protective layer 25 is formed by corrosion due to adhesion of moisture or the like contained in the atmosphere in the area covered with the heat generating portion 9, the common electrode 17, the folded electrode 18 and the individual electrode 19, or wear due to contact with a recording medium to be printed. It is for protecting from.
- the protective layer 25 can be formed using SiN, SiO, SiON, SiC, diamond-like carbon, or the like.
- the protective layer 25 may be formed of a single layer or may be formed by stacking these layers. May be.
- Such a protective layer 25 can be produced using a thin film forming technique such as sputtering or a thick film forming technique such as screen printing.
- a covering layer 27 that partially covers the common electrode 17, the individual electrode 19, and the connection electrode 21 is provided on the base portion 13 a of the heat storage layer 13 formed on the upper surface of the substrate 7.
- the region where the coating layer 27 is formed is indicated by a one-dot chain line.
- the covering layer 27 is not provided at a position where the driving IC 11 is mounted, and has an opening at a position where the driving IC 11 is mounted.
- the covering layer 27 is for protecting the region covered with the common electrode 17, the individual electrode 19, and the connection electrode 21 from oxidation due to contact with the atmosphere or corrosion due to adhesion of moisture contained in the atmosphere. is there.
- the covering layer 27 is formed so as to overlap the end portion of the protective layer 25 as shown in FIG. 2 in order to ensure the protection of the common electrode 17 and the individual electrode 19.
- the covering layer 27 can be formed of a resin material such as an epoxy resin or a polyimide resin by using a thick film forming technique such as a screen printing method.
- the covering member 29 is provided to cover and seal the plurality of drive ICs 11, and has a function of protecting the drive ICs 11 and protecting the connection parts of the drive ICs 11, the common electrodes 17, and the individual electrodes 19. Have.
- the covering member 29 is provided in a strip shape in the longitudinal direction of the substrate 7 so that the opening of the covering layer 27 is covered with the plurality of driving ICs 11 at a time.
- An example of the covering member 29 is a covering member 29 made of a resin such as an epoxy resin or a silicone resin.
- the thermal head X1 includes a first heat generating portion 9a, a second heat generating portion 9b, a third heat generating portion 9c, and a fourth heat generating portion 9d in the main scanning direction.
- the 1st heat generating part 9a, the 2nd heat generating part 9b, the 3rd heat generating part 9c, and the 4th heat generating part 9d are provided on the heat storage layer 13, and are more recording media than the top part 13b1 of the projection part 13b of the heat storage layer 13.
- the electrodes constituting the thermal head X1 include a first folded electrode 18a, a second folded electrode 18b, a first individual electrode 19a, a second individual electrode 19b, a common electrode 17, and a connection electrode (not shown). Have.
- the first folded electrode 18a is connected to one side of the first heat generating portion 9a, and the first individual electrode 19a is connected to the other side.
- the first heating electrode 9a is connected to one side of the second heat generating part 9b, and the common electrode 17 is connected to the other side.
- the second heating electrode 9b is connected to one side of the third heat generating portion 9c, and the common electrode 17 is connected to the other side.
- a second folded electrode 18b is connected to one side of the fourth heat generating portion 9d, and a second individual electrode 19b is connected to the other side. Adjacent electrodes are separated by a gap 12.
- the first heat generating part 9a and the second heat generating part 9b are electrically connected in series
- the third heat generating part 9c and the fourth heat generating part 9d are electrically connected in series
- the first The heat generating part 9a and the third heat generating part 9c are electrically connected in parallel.
- the first individual electrode 19a, the common electrode 17, and the second individual electrode 19b are connected to the heat generating portion 9 with substantially the same width. As a result, the amount of heat released from the heat generating portion 9 to the respective electrodes is made close to uniform.
- the common electrode 17 has a connecting portion 17a connected to the second heat generating portion 9b and a connecting portion 17a connected to the third heat generating portion 9c.
- the connecting portion 17a is formed by the narrow portion 6. Connected together.
- the common electrode 17 forms a first corner portion 8 and a third corner portion 14.
- the narrow portion 6 is formed to be shorter than the total length of the width of the connecting portion 17a connected to the second heat generating portion 9b and the width of the connecting portion 17a connected to the third heat generating portion 9c. ing. Thereby, the width of the narrow portion 6 of the common electrode 17, the width of the wide portion 4 of the first individual electrode 19a, and the width of the wide portion 4 of the second individual electrode 19b are substantially the same length. . Thereby, the contact state between the recording medium and the thermal head X1 in the main scanning direction can be made closer to each other.
- the first individual electrode 19 a and the second individual electrode 19 b have a wide portion 4 that protrudes toward the adjacent common electrode 17. Therefore, the first individual electrode 19 a and the second individual electrode 19 b are configured to be wide at the wide portion 4.
- the first individual electrode 19 a and the second individual electrode 19 b form the second corner portion 10.
- the first folded electrode 18a has a first connection part 18a1 connected to the first heat generation part 9a and a second connection part 18a2 connected to the second heat generation part 9a.
- the second folded electrode 18b has a first connection part 18b1 connected to the third heat generating part 9c and a second connection part 18b2 connected to the fourth heat generating part 9d. Further, the folded electrode 18 forms a fourth corner 16.
- the first corner portion 8 is formed by intersecting the upper surface of the connection portion 17a connected to the second heat generating portion 9b and the side surface facing the transport direction S.
- the first corner portion 8 is formed by intersecting the upper surface of the connection portion 17a connected to the third heat generating portion 9c and the side surface facing the transport direction S. Therefore, when viewed from the right side in FIG. 3 which is the upstream side in the transport direction S, the first corner 8 protrudes upward in the gap 12 by the thickness of the connection portion 17a of the common electrode 17, A step is formed by the side surface facing the direction S, the upper surface, and the heat storage layer 13.
- the first corner portion 8 is disposed on the upstream side in the transport direction S with respect to the heat generating portion 9 and the top portion 13b1.
- an imaginary line i1 that hangs downward from the top portion 13b1 of the protruding portion 13b and the substrate 7 have an intersection C.
- the first corner 8 is provided at a position where the inclination angle ⁇ 1 from the substrate 7 of the virtual line i2 connecting the intersection C and the first corner 8 is 75 ° or less.
- the first corner 8 is formed on the edge 13b3 side of the protruding portion 13. Therefore, the 1st corner
- the second corner portion 10 is formed by crossing the upper surface and the side surface of the wide portion 4. Therefore, when viewed from the right side of FIG. 3 which is the upstream side in the transport direction S, the first individual electrode 19a or the second individual electrode 19b descends downward by the thickness, and the side surface, the upper surface, and the heat storage layer 13 forms a step.
- the third corner portion 14 is formed by a portion where a connecting portion 17a connected to the second heat generating portion 9b of the common electrode 17 and a connecting portion 17a connected to the third heat generating portion 9c of the common electrode 17 are branched.
- the upper surface and the side surface of the branching portion intersect each other. Therefore, as viewed from the right side of FIG. 3, which is the upstream side in the transport direction S, it is lowered downward by an amount corresponding to the thickness of the connecting portion 17 a, the side surface facing the transport direction S, the upper surface, and the heat storage layer 13. A step is formed.
- the fourth corner portion 16 is formed by a portion connecting the first connection portion 18a1 and the second connection portion 18a2 of the first folded electrode 18a, and the first connection portion 18a1 and the second connection portion 18a2. And the side surface facing the transport direction S are formed so as to intersect. Therefore, as viewed from the right side of FIG. 3 which is the upstream side in the transport direction S, the upper part protrudes upward by the thickness of the first folded electrode 18a, the side surface facing the transport direction S, the upper surface, and the heat storage layer 13. And forming a step.
- angular part 8 is arrange
- the first corner portion 8 is provided at a position where the inclination angle ⁇ 1 from the substrate 7 is 75 ° or less. Therefore, the first corner portion 8 is provided on the edge 13b3 side of the protruding portion 13b, and the first corner portion 8 is provided at a position lower than the top portion 13b1 from the substrate 7. Therefore, even when the print residue is transported together with the recording medium, the possibility that the print residue is accumulated in the first corner portion 8 can be reduced.
- the pressing force of the platen roller (not shown) to the protruding portion 13b is greatest at the top portion 13b1 and decreases toward the edges 13b2 and 13b3. Therefore, the first corner portion 8 is provided at a position where the inclination angle ⁇ 1 from the substrate 7 is 75 ° or less, so that the pressing force against the first corner portion 8 is reduced and the thermal head X1 is printed. The possibility that debris will adhere can be reduced.
- the recording medium when the recording medium comes into contact with the first corner 8, the recording medium may be scraped off by the corner and print residue may be generated.
- the first corner 8 has an inclination angle ⁇ 1 of 75 from the substrate 7. By being provided at a position that is less than or equal to °, the possibility that the first corner portion 8 and the recording medium come into contact with each other can be reduced.
- the inclination angle ⁇ 1 from the substrate 7 is preferably 75 ° or less and 35 ° or more. Thereby, it can suppress that the 1st corner
- the inclination angle ⁇ 1 from the substrate 7 is 60 ° or less and preferably 40 ° or more. Thereby, it is possible to form a fine electrode pattern while reducing the possibility that the print residue is accumulated in the first corner portion 8.
- the first individual electrode 19a adjacent to the common electrode 17 has a second corner portion 10 at least partially facing the first corner portion 8, and the second corner portion 10 is the first corner portion 10. Since it is provided upstream of the corner portion 8 in the transport direction S, the second corner portion 10 is disposed so as to cover a part of the first corner portion 8 when viewed from the upstream side of the transport direction S. As a result, the possibility of accumulation of print residue at the first corner 8 can be reduced.
- the protruding portion of the wide portion 4 is provided so as to fill the gap 12, and when the upstream side in the transport direction is viewed from the first corner portion 8, the second corner portion 10 and the wide portion 4 are formed. ing. Therefore, it is possible to reduce the possibility that the print residue enters the gap 12. As a result, it is possible to reduce the possibility that the print residue is accumulated in the first corner portion 8.
- the second corner 10 is preferably provided so as to face the first corner 8 in the transport direction S.
- the first corner 8 and the second corner 10 are It is preferable that the area where the two face each other is 50% or more of the width of the first corner 8. Thereby, the possibility that the print residue enters the gap 12 can be reduced.
- the second corner 10 is provided so as to be adjacent to the first corner 8 in the transport direction S in plan view. Thereby, the pressing force generated in the first corner 8 can be dispersed by the second corner 10, and the pressing force generated in the first corner 8 can be reduced. As a result, it is possible to reduce the possibility that the print residue is accumulated in the first corner portion 8.
- the second corner portion 10 is provided at a position where the inclination angle ⁇ 2 from the substrate 7 of the imaginary line i3 connecting the intersection C and the second corner portion 10 is 75 ° or less. Therefore, the second corner 10 is arranged on the edge 13b3 side, and the possibility that the protective layer 25 and the covering layer 27 provided on the second corner 10 hinder the conveyance of the recording medium is reduced. can do.
- the third corner portion 14 is provided on the downstream side in the transport direction S with respect to the first corner portion 8 and the second corner portion 10, and is provided on the upstream side with respect to the top portion 13b1, and is directed downward. It is formed to descend. Therefore, the contact area between the recording medium and the thermal head X1 can be reduced by the amount of the third corner 14 provided. As a result, the possibility of sticking can be reduced.
- the common electrode 17 has a first corner portion 8, and the first corner portion 8 is formed by the narrow portion 6. Therefore, the wide portion 4 of the individual electrode 19 can be formed in the gap 12 generated by the narrow portion 6. Thereby, the width of the wide portion 4 of the first individual electrode 19a, the width of the narrow portion 6 of the common electrode 17, and the width of the wide portion 4 of the second individual electrode 19b can be made substantially equal.
- the virtual line i2 that connects the intersection C and the first corner 8 is a line segment that connects the first corner 8 and the intersection C when viewed in cross-section in the sub-scanning direction.
- An imaginary line i3 that connects the intersection C and the second corner 10 is a line segment that connects the second corner 10 and the intersection C when viewed in cross-section in the sub-scanning direction. Therefore, the inclination angles ⁇ 1 and ⁇ 2 can be measured by taking a cross-sectional photograph in the sub-scanning direction and drawing virtual lines i1, i2, and i3.
- the protective layer 25 includes the first heat generating portion 9a, the second heat generating portion 9b, the third heat generating portion 9c, the fourth heat generating portion 9d, the folded electrode 18, a part of the common electrode 17, and the individual electrodes 19. A part is covered.
- a protective layer 25 is provided on the first corner 8 and the second corner 10.
- the protective layer 25 is configured to enter the gap 12 between the first corner portion 8 and the second corner portion 10, and the adhesion between the protective layer 25, the common electrode 17, and the individual electrode 19 can be improved. It is possible to reduce the possibility that the protective layer 25 is peeled off.
- first corner portion 8 and the second corner portion 10 are provided on the protruding portion 13b, and are disposed between the top portion 13b1 and the edge portion 13b3.
- the protective layer 25 is provided on the 1st corner
- the thermal head X1 that performs a polishing process to smooth the surface of the protective layer 25, it is preferable because the possibility that the protective film 25 is peeled off can be reduced. Therefore, it is preferable to form the first corner portion 8 and the second corner portion 10 in the region to be polished.
- a coating layer 27 is provided on the protective layer 25, and the coating layer 27 is provided on the first corner portion 8 and the second corner portion 10. Therefore, the protective layer 25 and the covering layer 27 are provided in this order on the first corner portion 8 and the second corner portion 10.
- the step difference on the surface of the protective layer 25 can be embedded by the covering layer 27.
- the step on the surface of the protective layer 25 caused by the first corner portion 8 and the second corner portion 10 can be eliminated, and the possibility of printing residue adhering to the thermal head X1 can be reduced.
- thermal printer Z1 will be described with reference to FIG.
- the thermal printer Z1 shown in FIG. 6 is schematically shown.
- the platen roller 50 is much larger than the thermal head X1, and the contact state between the thermal head X1 and the recording medium is also the state shown in FIG. Is different.
- the thermal printer Z1 of the present embodiment includes the thermal head X1, the transport mechanism 40, the platen roller 50, the power supply device 60, and the control device 70 described above.
- the thermal head X1 is attached to an attachment surface 80a of an attachment member 80 provided in a housing (not shown) of the thermal printer Z1.
- the transport mechanism 40 includes a drive unit (not shown) and transport rollers 43, 45, 47, and 49.
- the transport mechanism 40 is for transporting a recording medium P, such as image receiving paper, onto which ink is transferred, in the transport direction S, and transports the recording medium P onto the protective layer 25 positioned on the plurality of heat generating portions 9 of the thermal head X1. is there.
- the recording medium P includes an image receiving paper to which ink is transferred, and an ink ribbon R to which ink is applied, and indicates what is printed by the thermal head X1. Note that the ink ribbon R is not necessary when thermal paper is used as the recording medium.
- the drive unit has a function of driving the transport rollers 43, 45, 47, and 49, and for example, a motor can be used.
- the transport rollers 43, 45, 47, and 49 can be configured by, for example, covering a cylindrical shaft body (not shown) made of a metal such as stainless steel with an elastic member (not shown) made of butadiene rubber or the like. .
- the platen roller 50 has a function of pressing the recording medium P onto the protective layer 25 located on the heat generating portion 9 of the thermal head X1.
- the platen roller 50 is disposed so as to extend along a direction orthogonal to the conveyance direction S, and both ends thereof are supported and fixed so as to be rotatable in a state where the recording medium P is pressed onto the heat generating portion 9.
- the platen roller 50 can be configured by, for example, covering a cylindrical shaft body 50a made of metal such as stainless steel with an elastic member 50b made of butadiene rubber or the like.
- the power supply device 60 has a function of supplying a current for causing the heat generating portion 9 of the thermal head X1 to generate heat and a current for operating the driving IC 11 as described above.
- the control device 70 has a function of supplying a control signal for controlling the operation of the drive IC 11 to the drive IC 11 in order to selectively heat the heat generating portion 9 of the thermal head X1 as described above.
- the thermal printer Z1 presses the recording medium P onto the heat generating portion 9 of the thermal head X1 by the platen roller 50, and conveys the recording medium P onto the heat generating portion 9 by the transport mechanism 40, while the power supply device 60 and the control device 70. As a result, the heating section 9 is selectively heated to perform predetermined printing on the recording medium P.
- a thermal head X2 according to the second embodiment will be described with reference to FIG.
- the thermal head X2 is different from the thermal head X1 in the configuration of the first individual electrode 119a, the common electrode 117, and the second individual electrode 119b.
- the other members are the same and have the same reference numerals.
- the first individual electrode 119a and the second individual electrode 119b have a wide portion 104 protruding toward the common electrode 117.
- the wide portion 104 is disposed such that the side surface faces the transport direction S, and forms a second corner portion 110 where the side surface descends downward.
- the side surface of the wide portion 104 is provided so as to be inclined with a predetermined angle without being orthogonal to the transport direction S.
- the common electrode 117 includes a connecting portion 117a connected to the second heat generating portion 9b, a connecting portion 117a connected to the third heat generating portion 9c, and a narrow portion 106.
- the wide portion 106 connects the connecting portion 117a connected to the second heat generating portion 9b and the connecting portion 117a connected to the third heat generating portion 9c, and the connecting portion 117a connected to the second heat generating portion 9b and the first connecting portion 117a.
- the width is narrower than the total width of the connecting portions 117a connected to the three heat generating portions 9c.
- the narrow portion 106 is disposed such that the side surface faces the transport direction S, and forms a first corner portion 108 whose side surface protrudes upward.
- the side surface of the narrow portion 106 is provided so as to be inclined with a predetermined angle without being orthogonal to the transport direction S.
- the print residue is conveyed through the gap 112 as the recording medium (not shown) is conveyed, and is printed along the first corner portion 108.
- the residue is swept out of the gap 112. As a result, it is possible to suppress the accumulation of print residue at the first corner portion 108.
- the inclination angle of the first corner portion 108 with respect to the conveyance direction S and the inclination angle of the second corner portion 110 with respect to the conveyance direction S are substantially equal in plan view.
- the first corner portion 108 and the second corner portion 110 are preferably substantially parallel in plan view.
- the thermal head X3 is different from the thermal head X1 in the shape of the heat generating portion 209, the folded electrode 218, the individual electrode 219, and the common electrode 217.
- the heat generating portion 209 has a trapezoidal shape.
- the side surfaces of the folded electrode 218, the individual electrode 219, and the common electrode 217 in the vicinity of the heat generating portion 209 are inclined with respect to the transport direction S in plan view.
- An interval La between the adjacent individual electrode 219 and the common electrode 217 positioned on the top portion 13b1 is smaller than an interval Lb between the adjacent individual electrode 219 and the common electrode 217 positioned on the upstream side in the transport direction S from the top portion 13b1. ing.
- the print residue is difficult to enter the gap 212 at the top portion 13b1 where the pressing force of the platen roller (not shown) is large. As a result, it is possible to reduce the possibility that the print residue stays near the heat generating portion 219.
- the interval La is preferably 1.02 to 1.3 times the interval Lb. As a result, the possibility that the print residue stays near the heat generating portion 219 can be reduced.
- an interval Lc between the first connection portion 218a1 connected to the first heat generating portion 219a of the first folded electrode 218a and the second connection portion 218a2 connected to the second heat generating portion 219b of the first folded electrode 218a is: It is wider than the interval La between the adjacent first individual electrode 219a and the common electrode 217 located on the top portion 13b1. Therefore, when viewed from the upstream side in the transport direction S, the width of the gap 212 is increased.
- the gap 212 becomes larger in the transport direction S.
- the entered print residue can be swept out.
- the interval Lc is preferably 1.02 to 1.03 times the interval La.
- FIG. 9 shows the vicinity of the first corner 8 and the second corner 310 in an enlarged manner.
- the common electrode 17 has a bent portion when seen in a plan view, and has the first corner portion 8 at the bent portion.
- the second individual electrode 319b adjacent to the common electrode 17 has a curved portion 319c when seen in a plan view, and has a second corner 10 in the curved portion 319c.
- the shape of the second individual electrode 319b when the second corner 310 is not curved is indicated by a broken line.
- the first corner portion 8 is provided at the bent portion of the common electrode 17, and the second corner portion 310 is provided at the curved portion 319c of the second individual electrode 319b.
- the area of the gap 312 formed by the corner portion 310 can be increased.
- the area of the gap 312 in the vicinity of the first corner 8 and the second corner 310 is increased by bending the second corner 310 as compared to the case where the second corner 310 is bent as indicated by a broken line. can do. Therefore, it is possible to reduce the possibility that the print residue is clogged in the gap 312 in the vicinity of the first corner 8 and the second corner 310.
- first corner portion 8 is provided in the bent portion, it is possible to reduce the resistance to the flow of the print residue generated by the side surface facing the transport direction S of the common electrode 17. Thereby, the print residue accumulated in the first corner portion 8 can be swept out to the outside.
- the common electrode has a first curved portion 417c in plan view, a first corner 408 in the first curved portion 417c, and a second individual electrode 319b adjacent to the common electrode 417 is When seen in a plan view, the second curved portion 319c is provided, and the second curved portion 319c is provided with the second corner portion 310. And the curvature of the 1st curved part 417c is smaller than the curvature of the 2nd curved part 319c. In addition, the shape which the 1st corner
- the area of the gap 412 formed by the first corner portion 408 and the second corner portion 310 can be increased.
- the area near the first corner portion 408 and the second corner portion 310 can be reduced as compared with the case where the first curved portion 417c and the second curved portion 319c are bent. Can be bigger. Therefore, it is possible to reduce the possibility that the print residue is clogged in the gap 412 in the vicinity of the first corner portion 408 and the second corner portion 310.
- the curvature of the first bending portion 417c is smaller than the curvature of the second bending portion 319c, the resistance to the flow of the print residue generated by the side surface facing the transport direction S of the common electrode 17 is reduced.
- the area in the vicinity of the first corner portion 408 and the second corner portion 310 can be increased. Thereby, the print residue accumulated in the first corner portion 408 can be swept out to the outside.
- the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
- the thermal printer Z1 using the thermal head X1 according to the first embodiment is shown, the present invention is not limited to this, and the thermal heads X2 to X5 may be used for the thermal printer Z1. Further, a plurality of thermal heads X1 to X5 that are embodiments may be combined.
- thermal heads X1 to X3 the thermal head having the folded structure in which the adjacent heat generating portions 9 are connected by the folded electrode 18 is illustrated, but the present invention is not limited to this.
- a planar thermal head having a common electrode 17 extending from one short side 7c of the substrate 7 to the other short side 7d between the heat generating part 9 and one long side 7a may be used. May be an end face type thermal head provided on the end face of the substrate 7.
- X1 to X5 Thermal head Z1 Thermal printer 1 Radiator 3 Head base 4 Wide part 5 Flexible printed wiring board 6 Narrow part 7 Substrate 8 First corner 9 Heating part 10 Second corner 11 Driving IC 12 Third corner 13 Heat storage layer 13b Projection 14 Fourth corner 15 Electrical resistance layer 17 Common electrode 18 Folded electrode 19 Individual electrode 21 Connection electrode 23 Bonding material 25 Protective layer 27 Cover layer 29 Cover member i1 First virtual Line i2 Second virtual line i3 Third virtual line
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Abstract
Description
以下、サーマルヘッドX1について図1~5を参照して説明する。なお、図1では、FPC5が配置される領域を一点鎖線で示している。また、図1では、保護層25、被覆層27および被覆部材29が配置される領域を一点鎖線で示している。なお、図3では、突出部13bの頂部13b1、縁部13b2,13b3を一点鎖線で示しており、図7,8においても同様である。
図7を用いて第2の実施形態に係るサーマルヘッドX2について説明する。サーマルヘッドX2は、第1個別電極119aと共通電極117と第2個別電極119bとの構成がサーマルヘッドX1と異なっている。その他の部材については同一であり、同様の符号を付している。
図8を用いて第3の実施形態に係るサーマルヘッドX3について説明する。
図9を用いて第4の実施形態に係るサーマルヘッドX4について説明する。なお、図9は第1の角部8および第2の角部310の近傍を拡大して示している。
図10を用いて第5の実施形態に係るサーマルヘッドX5について説明する。
Z1 サーマルプリンタ
1 放熱体
3 ヘッド基体
4 幅広部
5 フレキシブルプリント配線板
6 幅狭部
7 基板
8 第1の角部
9 発熱部
10 第2の角部
11 駆動IC
12 第3の角部
13 蓄熱層
13b 突出部
14 第4の角部
15 電気抵抗層
17 共通電極
18 折返し電極
19 個別電極
21 接続電極
23 接合材
25 保護層
27 被覆層
29 被覆部材
i1 第1仮想線
i2 第2仮想線
i3 第3仮想線
Claims (11)
- 基板と、
前記基板上に設けられ、前記基板から上方へ向けて突出した突出部を有する蓄熱層と、
前記突出部上に設けられた複数の発熱部と、
前記基板上に設けられ、複数の前記発熱部に電気的に接続された複数の電極と、を備え、
複数の前記発熱部は、前記突出部の頂部よりも記録媒体の搬送方向の下流側に配置されており、
前記電極は、前記突出部の頂部よりも記録媒体の搬送方向の上流側に、上面と、前記記録媒体の搬送方向に面する側面と、該側面と前記上面とが交わる第1の角部とを有しており、
断面視したときに、前記突出部の頂部から下方へ垂下した仮想線と前記基板との交点と前記第1の角部とを結ぶ仮想線の前記基板からの傾斜角が、75°以下であることを特徴とするサーマルヘッド。 - 前記傾斜角が75°以下であって、かつ35°以上である、請求項1に記載のサーマルヘッド。
- 前記頂部上に位置する隣り合う前記電極同士の間隔が、前記頂部よりも前記記録媒体の搬送方向の上流側の前記突出部上に位置する隣り合う前記電極同士の間隔よりも小さい、請求項1または2に記載のサーマルヘッド。
- 前記第1の角部を有する電極に隣り合う電極は、少なくとも一部が前記第1の角部と向かい合う第2の角部を有しており、
前記第2の角部が前記第1の角部よりも前記記録媒体の搬送方向の上流側に設けられている、請求項1~3のいずれか一項に記載のサーマルヘッド。 - 複数の前記発熱部は、主走査方向に隣り合うように配列された、第1発熱部、第2発熱部、第3発熱部、および第4発熱部を備えており、
前記電極は、
前記第1発熱部の一方側および前記第2発熱部の一方側に接続された第1折返し電極と、
前記第3発熱部の一方側および前記第4発熱部の一方側に接続された第2折返し電極と、
前記第1発熱部の他方側に接続された第1個別電極と、
前記第2発熱部の他方側および前記第3発熱部の他方側に接続された共通電極と、
前記第4発熱部の他方側に接続された第2個別電極と、を備え、
前記共通電極が、前記第1の角部を有する、請求項1~4のいずれか一項に記載のサーマルヘッド。 - 前記第1折返し電極の前記第1発熱部に接続された第1接続部と、前記第1折返し電極と前記第2発熱部に接続された第2接続部との間隔が、前記頂部上に位置する隣り合う前記第1個別電極および前記共通電極の間隔よりも広い、請求項5に記載のサーマルヘッド。
- 前記共通電極は、平面視したときに屈曲部を有しており、該屈曲部に前記第1の角部を有しており、
前記共通電極に隣り合う前記第1個別電極および前記第2個別電極の少なくとも一方の個別電極は、平面視したときに湾曲部を有しており、該湾曲部に前記第2の角部を有している、請求項5または6に記載のサーマルヘッド。 - 前記共通電極は、平面視したときに第1湾曲部を有しており、該第1湾曲部に前記第1の角部を有しており、
前記共通電極に隣り合う前記第1個別電極および前記第2個別電極の少なくとも一方の個別電極は、平面視したときに第2湾曲部を有しており、該第2湾曲部に前記第2の角部を有しており、前記第1湾曲部の曲率が前記第2湾曲部の曲率よりも小さい、請求項5または6に記載のサーマルヘッド。 - 前記第1発熱部、前記第2発熱部、および前記第3発熱部上に保護層が設けられており、
前記保護層が、前記第1の角部および前記第2の角部上に設けられている、請求項5~8のいずれか一項に記載のサーマルヘッド。 - 前記保護層の上に被覆層が設けられており、前記被覆層が、前記第1の角部および前記第2の角部上に設けられている、請求項9に記載のサーマルヘッド。
- 請求項1~10のうちいずれか一項に記載のサーマルヘッドと、
前記発熱部上に前記記録媒体を搬送する搬送機構と、
前記発熱部上に前記記録媒体を押圧するプラテンローラと、を備えることを特徴とするサーマルプリンタ。
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US15/107,635 US9676205B2 (en) | 2013-12-26 | 2014-12-26 | Thermal head and thermal printer |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11179948A (ja) * | 1997-12-24 | 1999-07-06 | Kyocera Corp | サーマルヘッド |
JP2006305974A (ja) * | 2005-05-02 | 2006-11-09 | Alps Electric Co Ltd | サーマルヘッド |
JP2007175982A (ja) * | 2005-12-27 | 2007-07-12 | Alps Electric Co Ltd | サーマルヘッド及びこれを用いた熱転写プリンタ |
WO2013080915A1 (ja) * | 2011-11-28 | 2013-06-06 | 京セラ株式会社 | サーマルヘッドおよびこれを備えるサーマルプリンタ |
WO2013129020A1 (ja) * | 2012-02-28 | 2013-09-06 | 京セラ株式会社 | サーマルヘッドおよびこれを備えるサーマルプリンタ |
JP2013226670A (ja) * | 2012-04-24 | 2013-11-07 | Kyocera Corp | サーマルヘッドおよびこれを備えるサーマルプリンタ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005138484A (ja) | 2003-11-07 | 2005-06-02 | Fuji Photo Film Co Ltd | サーマルヘッド及びその製造方法 |
US8325209B2 (en) * | 2008-06-26 | 2012-12-04 | Kyocera Corporation | Recording head and recording apparatus provided with the recording head |
JP5832743B2 (ja) * | 2010-12-16 | 2015-12-16 | ローム株式会社 | サーマルプリントヘッドの製造方法 |
CN103269862B (zh) * | 2010-12-25 | 2015-08-05 | 京瓷株式会社 | 热敏头以及具备该热敏头的热敏打印机 |
-
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11179948A (ja) * | 1997-12-24 | 1999-07-06 | Kyocera Corp | サーマルヘッド |
JP2006305974A (ja) * | 2005-05-02 | 2006-11-09 | Alps Electric Co Ltd | サーマルヘッド |
JP2007175982A (ja) * | 2005-12-27 | 2007-07-12 | Alps Electric Co Ltd | サーマルヘッド及びこれを用いた熱転写プリンタ |
WO2013080915A1 (ja) * | 2011-11-28 | 2013-06-06 | 京セラ株式会社 | サーマルヘッドおよびこれを備えるサーマルプリンタ |
WO2013129020A1 (ja) * | 2012-02-28 | 2013-09-06 | 京セラ株式会社 | サーマルヘッドおよびこれを備えるサーマルプリンタ |
JP2013226670A (ja) * | 2012-04-24 | 2013-11-07 | Kyocera Corp | サーマルヘッドおよびこれを備えるサーマルプリンタ |
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