WO2001034398A1 - Tete d'imprimante a jet d'encre et son procede de fabrication, et compose thiol polycyclique - Google Patents
Tete d'imprimante a jet d'encre et son procede de fabrication, et compose thiol polycyclique Download PDFInfo
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- WO2001034398A1 WO2001034398A1 PCT/JP2000/007963 JP0007963W WO0134398A1 WO 2001034398 A1 WO2001034398 A1 WO 2001034398A1 JP 0007963 W JP0007963 W JP 0007963W WO 0134398 A1 WO0134398 A1 WO 0134398A1
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- Prior art keywords
- ink jet
- nozzle
- ink
- integer
- compound
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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
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1606—Coating the nozzle area or the ink chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
Definitions
- the present invention relates to an ink jet printing head, and more particularly to an improvement in a nozzle surface of an ink jet printing head for selectively adhering ink droplets to a recording medium.
- Inkjet printing demands high-speed printing, low noise, high printing quality, and so on. High performance is also required for the ink jet printing head. To meet these requirements, the condition of the nozzle surface of the inkjet printing head is very important.
- Ink and paper powder may adhere to the nozzle surface. If there is such an adhering substance, when the ink droplet is ejected from the nozzle, the ink droplet is pulled by the adhering substance and ejected in a direction other than the original ejection direction. If the amount of deposit is large, no ink droplet is formed. In order to eliminate these adverse effects, it has been considered important to impart ink repellency and ink repellency (ie, water repellency) to the nozzle surface. By imparting ink repellency to the nozzle surface, adhesion of ink, paper powder, and the like can be reduced. It is also important that the ejection performance of the ink droplets is not easily deteriorated in the ink jet printing head.
- a water-repellent layer including a metal layer and a sulfur compound layer is formed on the nozzle surface.
- An ink jet printing head has been proposed (International Publication No .; WO 97/27059).
- an alkanethiol compound, a dithiol compound having one aromatic ring, or the like is used as a sulfur compound forming a sulfur compound layer.
- the layer may deteriorate due to external factors such as mechanical friction due to the intermolecular cohesion of the compound forming the layer, and its function may be reduced. Had a problem in terms of reliability.
- an object of the present invention is to provide a highly reliable ink jet printer head having water repellency, less deterioration of ink droplet ejection performance, and high friction resistance, and a method of manufacturing the same. That is. Disclosure of the invention
- an ink jet print head in which a layer made of a thiol compound having a specific structure is formed on a metal layer formed on the nozzle face of the print head. It has been found that the above object can be achieved.
- the present invention has been made on the basis of the above-mentioned knowledge, and in an ink jet printing head for discharging an ink droplet from a nozzle formed on a nozzle surface, a metal layer containing a metal formed on the nozzle surface, And a self-assembled film layer comprising a polycyclic thiol compound formed on the metal layer.
- the present invention also relates to a method for manufacturing the ink jet print head, comprising: forming a metal layer on a nozzle surface of a nozzle member; A step of immersing in a solution in which a thiol compound is dissolved. It is intended to provide a manufacturing method.
- the present invention also provides a polycyclic thiol compound represented by the following general formula (I) or ( ⁇ ).
- C i is CF 3 (CF 2 ) n , CF 3 (CF 2 ) n (CH 2 ) m ,
- FIG. 1 is an overall perspective view of an ink pudding.
- FIG. 2 is a perspective view for explaining the structure of the inkjet printing head.
- FIG. 3 is a perspective view (partial cross-sectional view) of a main part of an inkjet printer head.
- FIG. 4 is a diagram illustrating the operation principle of an ink jet printing head.
- FIG. 5 is a cross-sectional view of the nozzle plate according to the first embodiment.
- FIG. 6 is an explanatory diagram of a bond between a metal molecule and gold.
- FIG. 7 is an explanatory diagram of a bond between a sulfur atom and a gold atom.
- FIG. 8 is an explanatory diagram of the arrangement of thiol molecules on the gold surface.
- FIG. 1 is an overall perspective view of an ink pudding.
- FIG. 2 is a perspective view for explaining the structure of the inkjet printing head.
- FIG. 3 is a perspective view (partial cross-sectional view) of a main part of
- FIG. 9 is a view for explaining ejection in an ink jet printing head having no ink repellency.
- FIG. 10 is a view for explaining ejection in an ink-jet printing head having ink repellency.
- FIG. 11 is a cross-sectional view of a nozzle plate provided with an intermediate layer in the embodiment bear 1.
- FIG. 12 is a cross-sectional view of a nozzle plate having a step in a nozzle according to the second embodiment.
- FIG. 13 is a perspective view of an ink jet printing head using a heating element according to the third embodiment.
- FIG. 14 is a plot of the relationship between the heating temperature and the surface contact angle of the self-assembled film.
- FIG. 1 shows a perspective view of a printer in which the inkjet printer head of the present embodiment is used.
- an ink jet printer 100 of the present embodiment is configured such that a main body 102 includes an ink jet printer head 101, a tray 103, and the like according to the present invention. .
- the paper 105 is placed on the tray 103.
- internal rollers (not shown) take the paper 105 into the main body 102.
- the paper 105 passes near the roller, it is printed by the inkjet printing head 101 driven in the direction of the arrow in the figure, and is discharged from the discharge outlet 104. If the ink droplets are not ejected accurately from the inkjet print head 101, the characters printed on the paper 105 will become dirty or thin.
- FIG. 2 is a perspective view illustrating the structure of the inkjet printing head according to the present embodiment.
- the inkjet printing head 101 is formed by fitting a nozzle plate 1 provided with a nozzle 11 and a flow path substrate 2 provided with a diaphragm 3 into a housing 5. Be composed.
- the flow path substrate 2 is also called a pressurized chamber substrate, and has cavities (pressurized chambers) 21, side walls 22, reservoirs 23, and the like.
- a feature of the present invention relates to processing of the surface of the nozzle plate of the inkjet printing head.
- the nozzle plate may have a multi-layer structure and the reservoir may be provided therein.
- FIG. 3 shows a perspective view of a structure of a main part of an ink jet print head formed by laminating the nozzle plate 1, the flow path substrate 2, and the vibration plate 3.
- a partial cross section is shown for easy understanding.
- the main part of the ink jet printing head has a structure in which a flow path substrate 3 is sandwiched between a nozzle plate 1 and a vibration plate 3.
- the channel substrate 3 is provided with a plurality of cavities 21 each of which functions as a pressure chamber by etching a silicon single crystal substrate or the like. Each cavity 21 is separated by a side wall 22.
- Each cavity 21 is connected to a reservoir 23 via a supply port 24.
- the nozzle plate 1 is provided with a nozzle 11 at a position corresponding to the cavity 21 of the flow path substrate 3.
- the diaphragm 3 is made of, for example, a thermal oxide film.
- a piezoelectric element 4 is formed at a position corresponding to the cavity 21 on the diaphragm 3.
- the diaphragm 3 is also provided with an ink tank port 31.
- the piezoelectric element 4 has a structure in which, for example, a PZT element or the like is sandwiched between an upper electrode and a lower electrode (not shown).
- the ink is supplied from the ink tank of the housing 5 into the reservoir 23 through an ink tank port 31 provided in the diaphragm 3.
- the ink flows into each cavity 21 from the reservoir 23 through the supply port 24.
- the volume of the piezoelectric element 4 changes when a voltage is applied between the upper electrode and the lower electrode. This volume change deforms the diaphragm 3 and changes the volume of the cavity 21. There is no deformation of the diaphragm 3 when no voltage is applied.
- FIG. 5 shows a sectional view of the layer structure of the nozzle plate in the present embodiment.
- FIG. 3 is an enlarged sectional view of the vicinity of the nozzle in FIGS.
- Reference numeral 1a indicates the nozzle plate of the present embodiment.
- the nozzle plate la is configured by laminating a metal layer 13 and a self-assembled film layer 14 on the ink droplet ejection side of the nozzle member 12. 2 and 3 are denoted by the same reference numerals.
- an ink meniscus 62a is generated due to the interfacial tension of the ink.
- the ink filled in the cavity 21 does not spread on the surface of the nozzle plate 1a due to the ink repellency of the self-assembled film layer 14, and only generates a meniscus 62a in the nozzle 11a.
- Any material may be used as the nozzle member 12 as long as it has a certain bonding force with the metal layer.
- glass or a metal plate can be used.
- silicon or ceramics it is preferable to use silicon or ceramics in order to reduce the manufacturing cost and facilitate fine processing of nozzle holes and the like. When silicon or ceramics is used, it is preferable to provide an intermediate layer as described later in this embodiment (see FIG. 11).
- the composition of the metal layer 13 is preferably gold (Au) from the viewpoint of chemical and physical stability.
- metals such as silver (Ag), copper (Cu), indium (In), and gallium-arsenic (Ga-As) which chemically adsorb thiol compounds may be used.
- a known technique such as a sputtering method, a vapor deposition method, and a plating method can be used.
- the method is not particularly limited as long as it is a film forming method capable of uniformly forming a metal thin film with a constant thickness (for example, 0.1 lm).
- a self-organized film layer 14 is formed on the metal layer 13.
- the self-assembled monolayer 14 is formed by dissolving the polycyclic thiol compound into a solution, and immersing the nozzle plate la having the metal layer 13 formed therein.
- the polycyclic thiol (Thiol) compound is a general term for compounds having two or more cyclic functional groups such as aromatic rings among organic compounds having a mercapto group (—SH). These polycyclic thiol compounds spontaneously chemically adsorb to the surface of a metal such as gold in a solution or under volatile conditions to form a monomolecular film having a two-dimensional crystal structure.
- the molecular film formed by this spontaneous chemisorption is called a self-assembled film, a self-assembled film, or a self-assembled film, and basic research and its applied research are currently underway.
- gold Au
- a self-assembled film can be formed on the other metal surface in the same manner.
- polycyclic thiol compound enhances the intermolecular cohesion due to its polycyclic structure, and can reduce the molecular weight compared to the case where a conventional alkanethiol compound or a dithiol compound having one aromatic ring is used.
- the cohesive strength between them becomes strong. For this reason, it is possible to obtain an ink jet head having excellent anti-friction properties, which is capable of maintaining its function without deterioration of the layer even by external factors such as mechanical friction, and which is excellent in reliability.
- the self-assembled film layer formed by using this polycyclic thiol compound has water repellency and is less likely to deteriorate ink droplet ejection performance.
- the polycyclic thiol compound also has high heat resistance, and has a performance of not deteriorating due to external factors such as heating.
- polycyclic thiol compound a compound represented by the following general formula (I) or ( ⁇ ⁇ ) is preferable.
- C f is CF 3 (CF 2 ) n , CF 3 (CF 2 ) n (CH 2 ) m ,
- the compound represented by the general formula (I) contains a plurality of aromatic rings, and a perfluoro group is located at the para-position of the terminal aromatic ring.
- the compound represented by the general formula ( ⁇ ) is represented by the general formula (I) except that a plurality of aromatic rings in the general formula (I) are substituted with 1 to 4 fluorine atoms. Same as the compound.
- the compound has the above-mentioned friction resistance characteristics and is formed by a perfluorocarbon group which is a tail group (a chemical functional group appearing on the surface of the layer) of the compound. Since the surface of the organized film layer is in a low surface energy state, the nozzle surface becomes more excellent in water repellency. Further, the compounds represented by the general formulas (I) and (II) have excellent heat resistance.
- Cf is CF 3 (CF 2 ) n or CF 3 (CF 2 ) n (CH 2 ) m , and n is 0 to 15 Yes, compounds wherein m is 1 to 20, k is 3 or 4, p is 1 to 20, and 1 is 1 to 4 are preferred. Also, Cf is (CF 3 ) 2 CF (CF 2 ) n or (CF 3 ) 2 CF (CF 2 ) n (CH 2 ) m , n is 0 to 15 and m is 1 to 20 Also, a compound in which k is 3 or 4, p is 1 to 20, and 1 is 1 to 4 is also preferable.
- Cf is (CF 3 ) 3 C (CF 2) n or (CF 3) 3 C (CF 2) a n (CH 2) m, n is 0 to 1 5, m is:! ⁇ 20, k is 3 or 4, p is 1-20, and 1 is 1-4.
- a method for synthesizing the polycyclic thiol compound for example, a method according to the following synthesis route and the like can be mentioned.
- a polycyclic thiol compound a synthetic route of 4-trifluoromethylmethyl-phenylmethylthiol is shown.
- the reaction is carried out in a mixed solvent of benzene and ethanol in the presence of an aqueous solution to synthesize 4-trifluoromethyl-14'-methylterphenyl.
- N-promosuccinimide N-promosuccinimide (NBS) is added to the obtained 4-trifluoromethyl-4'-methylphenyl, in the presence of azobisisobutyronitrile (AIBN), and reacted in a carbon tetrachloride solvent.
- AIBN azobisisobutyronitrile
- 4-—Trifluoromethyl-4′-Promomethylterphenyl is synthesized. Thereafter, thiourea was added to the obtained 4-trifluoromethyl_4, -bromomethylterphenyl in anhydrous ethanol to cause a reaction, and the salt was formed.
- the present invention provides a polyvalent thiol compound represented by the general formula (I) or (II).
- the polycyclic thiol compound those exemplified as the material for forming the self-assembled film described above are preferable.
- FIG. 4B shows a case where gold is used as the metal layer.
- the polycyclic thiol compound has a head portion such as a terphenyl group and a tail portion represented by a mercapto group, as shown in FIG. This is dissolved with 1 to 10 mM ethanol solution.
- the gold film formed as shown in FIG. 4B is immersed in this solution. If left at room temperature for about one hour, the polycyclic thiol compound will spontaneously assemble on the gold surface (Fig. (C)). And A monomolecular film of thiol molecules is formed two-dimensionally on the gold surface (Fig. 7 (f)).
- Fig. 7 shows the state of intermolecular bonding when a monomolecular film of a polycyclic thiol compound is formed.
- the reaction mechanism of chemisorption of sulfur atoms on metal surfaces has not been fully elucidated, but thiol compounds, for example on Au (0) surfaces, can be converted to Au (1) thiolate (RS— Au +) is adsorbed as shown in Fig. 7.
- thiolate RS— Au +
- the bond between the gold atom in the metal layer 13 and the sulfur atom in the self-assembled film layer 14 is close to a covalent bond ( (40 to 45 kcal / mol)
- An extremely stable molecular film is formed.Such self-assembly of organic molecules can be achieved by using an organic molecular film as a technique for functionalizing an individual surface. Possible expansion to areas such as glossing, lubrication, wettability, corrosion resistance, and surface catalysis The molecular element, is applied to the micro Jer click tronics field and bio electronics fields of biological elements are extremely prospective future.
- FIG. 8 shows a state of the monomolecular film of the polythiol compound formed on the surface of the metal layer 13.
- the self-assembled film layer 14 is composed of a single molecule, its thickness is extremely small (for example, about 2 nm). Since this polycyclic thiol compound is aggregated very densely, the self-assembled film layer 14 is easily broken by external factors such as mechanical friction as described above due to the cohesive force of the polycyclic structure. None. That is, the self-assembled film layer 14 has high friction resistance and excellent reliability. In addition, since the polycyclic thiol compound is aggregated very densely, water molecules cannot enter the self-assembled film layer 14.
- the self-assembled film layer 14 has an ink repellency (water repellency).
- the self-assembled film layer 14 is formed from the thiol compound represented by the general formula (I) or (II), the ink repellency becomes more remarkable.
- the material for forming the self-assembled monolayer 14 was changed to a conventional alkane thiol and a fluorine-based thiol having a methylene chain as a spacer.
- a self-assembled film was formed in the same manner as the morphology.
- the present embodiment and the two comparative embodiments were compared in terms of thermal deterioration.
- the polycyclic thiol compound in the present embodiment was synthesized according to the above-mentioned synthetic route ((4-trifluoromethyl- [1, 1 '; 4,, 1 ")".
- Trifluorododecanethiol (synthesized based on the literature Journal of Fluorine Chemistry 93 (1999) 107-115) was used, and a substrate having a gold thin film (gold substrate) was placed in a 0.2 mM dichloromethane solution. Each self-assembled film was prepared by soaking for 4 hours. For the comparison of thermal degradation, the change in surface wettability of each self-assembled film was followed by the contact angle.
- Hexadecane solution was used for contact angle measurement.
- the conditions of thermal degradation were as follows. At each heating temperature, the surface contact angle was measured after standing in a thermostat for 1 hour. The change of the contact angle with respect to the temperature of each self-assembled film was plotted (see Fig. 14). From the results in Fig. 14, it can be seen that the thermal degradation rate of the self-assembled film composed of a fluorine-based thiol (a polycyclic thiol compound according to the present invention) having a linear benzene ring as a base was the same as that of the polycyclic thiol compound. It is found that the self-assembled film composed of the molecules of this type is slower than the thermal degradation rate of You. Also, from these comparisons, it can be seen that high heat resistance can be obtained by introducing a straight-chain aromatic ring into the monomolecular film spacer.
- the ink 6 in the case of an ink jet pudding head having no ink repellency, the ink 6 sometimes wrapped around the nozzle surface.
- the ink droplets 61 a ejected due to the tension of the ink 6 may be pulled in a direction parallel to the nozzle plate 1 ′, and may not be ejected perpendicularly to the nozzle plate.
- the nozzle surface has ink repellency.
- the ink 6 is always repelled on the nozzle surface and stays in the nozzle 11 as a meniscus 62. Therefore, the ejected ink droplet 61b is not pulled by the ink tension, but is ejected vertically from the nozzle 11. Further, since the nozzle surface has ink repellency, the ink scattered on the nozzle surface stays as particles without spreading on the nozzle surface. Therefore, unnecessary ink droplets can be easily removed by wiping using an elastic body such as rubber.
- FIG. 11 shows a cross-sectional view of a layer structure of a nozzle plate provided with an intermediate layer.
- the nozzle member 12b is composed of silicon or ceramics.
- the intermediate layer 15 is made of a material that strengthens the bonding force between the nozzle member and the metal film, such as nickel (Ni), chromium (Cr), tantalum (Ta), or an alloy thereof. Preferably, there is. If the intermediate layer is provided, the bonding force between the nozzle member and the metal layer increases, and the self-assembled film layer becomes more difficult to peel off due to mechanical friction. (ink)
- the thiol compound is mixed in the ink 6 used for the ink jet printing head. If the thiol compound is mixed, even if a part of the self-assembled film layer is lost due to a physical impact or the like, the metal layer at the portion where the thiol compound mixed in the ink has a defect may be removed. Recombine on the surface of That is, a self-healing function can be provided. There is no example of such self-healing ink-repellent treatment, and the user does not need to perform any special restoration work. At this time, it is preferable that the metal layer is formed of gold as in the present embodiment. Gold has excellent malleability, and the material of the gold hardly disappears even if it is damaged. This is because the chemical resistance of the nozzle member is also improved because of its excellent chemical resistance.
- Embodiment 2 of the present invention relates to a nozzle improvement.
- FIG. 12 is an enlarged cross-sectional view of the vicinity of the nozzle in the nozzle plate according to the second embodiment.
- the same members as those in the first embodiment (FIG. 5) are denoted by the same reference numerals, and description thereof will be omitted.
- the nozzle plate 1d of the present embodiment has a step portion 1 # around the nozzle 11d. That is, the concave portion 18 is formed concentrically with the diameter of the nozzle 11 d.
- the metal layer 13 and the self-assembled film layer 14 are also formed inside the step 17 and the recess 18.
- the composition of the metal layer and the self-assembled film layer can be considered in the same manner as in the first embodiment.
- the intermediate layer illustrated in FIG. 11 may be provided between the nozzle member and the metal layer.
- the metal inside the concave portion 18 is formed.
- Layer 13 and self-assembled monolayer 14 are not damaged. Therefore, the meniscus 6 2 d of the ink 6 does not change, and the ink ejection performance is poor. Does not change.
- FIG. 13 is a perspective view illustrating the structure of an ink jet print head according to the present embodiment.
- the inkjet printing head is mainly composed of a nozzle plate 7, a flow path substrate 8 and a heating element substrate 9.
- the nozzle plate 7 is provided with a nozzle 71.
- the metal plate 13, the self-assembled film layer 14 and the intermediate layer 15 described in the first embodiment, the nozzle step 17 and the recess 18 described in the second embodiment are all applicable to the nozzle plate 7. It is possible.
- the flow path substrate 8 is formed with cavities 81, side walls 82, reservoirs 83, and supply paths 84. These structures can be considered in the same manner as the structure of the flow path substrate 2 described in the first embodiment.
- the cavities 81 are arranged at regular intervals corresponding to the printing density. Each cavity 81 is separated by a side wall 82.
- the cavity 81 has a structure sandwiched between the side wall of the flow path substrate 8, the nozzle plate 7, and the heating element substrate 9.
- the heating element substrate 9 is provided with heating elements 91 at positions corresponding to the cavities 81.
- an ink tank port 92 for supplying ink to the reservoir 83 is provided. In the above configuration, ink is introduced into the reservoir 83 from an ink tank (not shown) via the ink tank port 92. The ink in the reservoir 83 is further supplied to the cavity 81 through the supply port 84.
- the heating element 91 When an electric signal is supplied to the heating element 91 from a drive circuit (not shown), the heating element 91 generates heat. As a result, the ink filled with the cavities 81 of the heat-generating elements 91 is vaporized, and bubbles are generated. The ink is ejected from the nozzles 71 provided corresponding to the cavities 81 by the bubbles. At this time, since the surface on the discharge side of the nozzle plate 7 has the configuration described in the first and second embodiments, the nozzle plate 7 has high friction resistance and excellent reliability.
- the present invention can be applied to a pudding head of a type in which bubbles are generated by a heating element to discharge ink. Therefore, the same effects as the effects described in the first and second embodiments are obtained.
- a self-assembled film layer having high friction resistance can be formed. Deterioration of the pudding head due to external factors can be suppressed.
- the present invention it is possible to provide a highly reliable ink jet print head having water repellency, little deterioration of the ink droplet ejection performance, and high friction resistance, and a method for producing the same.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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DE60040457T DE60040457D1 (de) | 1999-11-11 | 2000-11-10 | Hren, und polyzyklische thiolverbindung |
EP00974934A EP1157842B1 (en) | 1999-11-11 | 2000-11-10 | Ink jet printer head and production method thereof, and polycyclic thiol compound |
US09/889,097 US6629754B1 (en) | 1999-11-11 | 2000-11-10 | Ink jet printer head manufacturing method thereof, and polycyclic thiol compounds |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP32046699 | 1999-11-11 | ||
JP11/320466 | 1999-11-11 | ||
JP2000-342019 | 2000-11-09 | ||
JP2000342019A JP4438918B2 (ja) | 1999-11-11 | 2000-11-09 | インクジェットプリンタヘッド及びその製造方法、並びに多環系チオール化合物 |
Publications (1)
Publication Number | Publication Date |
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WO2001034398A1 true WO2001034398A1 (fr) | 2001-05-17 |
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ID=26570099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2000/007963 WO2001034398A1 (fr) | 1999-11-11 | 2000-11-10 | Tete d'imprimante a jet d'encre et son procede de fabrication, et compose thiol polycyclique |
Country Status (5)
Country | Link |
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US (1) | US6629754B1 (ja) |
EP (1) | EP1157842B1 (ja) |
JP (1) | JP4438918B2 (ja) |
DE (1) | DE60040457D1 (ja) |
WO (1) | WO2001034398A1 (ja) |
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JP4438918B2 (ja) * | 1999-11-11 | 2010-03-24 | セイコーエプソン株式会社 | インクジェットプリンタヘッド及びその製造方法、並びに多環系チオール化合物 |
US6412908B2 (en) | 2000-05-23 | 2002-07-02 | Silverbrook Research Pty Ltd | Inkjet collimator |
US7045011B2 (en) * | 2003-07-07 | 2006-05-16 | International Business Machines Corporation | Dual-layer compliant polymeric nozzle |
JP4945990B2 (ja) * | 2004-12-02 | 2012-06-06 | 大日本印刷株式会社 | 固体高分子形燃料電池用セパレータ |
WO2007005857A1 (en) * | 2005-07-01 | 2007-01-11 | Fujifilm Dimatix, Inc. | Non-wetting coating on a fluid ejector |
EP2089232B1 (en) | 2006-12-01 | 2012-08-01 | Fujifilm Dimatix, Inc. | Non-wetting coating on a fluid ejector |
BRPI0920169A2 (pt) | 2008-10-30 | 2016-08-30 | Fujifilm Corp | revestimento não-umectante sobre um ejetor de fluido |
US8262200B2 (en) | 2009-09-15 | 2012-09-11 | Fujifilm Corporation | Non-wetting coating on a fluid ejector |
US8534797B2 (en) * | 2009-12-28 | 2013-09-17 | Xerox Corporation | Superoleophobic and superhydrophobic devices and method for preparing same |
KR20180054688A (ko) * | 2015-09-15 | 2018-05-24 | 메르크 파텐트 게엠베하 | 호메오트로픽 정렬을 갖는 액정 매질 |
ITUB20159489A1 (it) * | 2015-12-28 | 2017-06-28 | St Microelectronics Srl | Metodo per il trattamento superficiale di un substrato semiconduttore |
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TW426613B (en) * | 1996-01-23 | 2001-03-21 | Seiko Epson Corp | Ink jet printer head, its manufacturing method and ink |
JP4438918B2 (ja) * | 1999-11-11 | 2010-03-24 | セイコーエプソン株式会社 | インクジェットプリンタヘッド及びその製造方法、並びに多環系チオール化合物 |
-
2000
- 2000-11-09 JP JP2000342019A patent/JP4438918B2/ja not_active Expired - Fee Related
- 2000-11-10 DE DE60040457T patent/DE60040457D1/de not_active Expired - Lifetime
- 2000-11-10 EP EP00974934A patent/EP1157842B1/en not_active Expired - Lifetime
- 2000-11-10 US US09/889,097 patent/US6629754B1/en not_active Expired - Lifetime
- 2000-11-10 WO PCT/JP2000/007963 patent/WO2001034398A1/ja active Application Filing
Patent Citations (4)
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JPH06198894A (ja) * | 1993-01-07 | 1994-07-19 | Fuji Xerox Co Ltd | インクジェット記録ヘッドの表面処理方法 |
WO1995025086A1 (en) * | 1994-03-15 | 1995-09-21 | Eisai Co., Ltd. | Isoprenyl transferase inhibitors |
JPH07314694A (ja) * | 1994-05-25 | 1995-12-05 | Seiko Epson Corp | インクジェット記録ヘッド及びインクジェット記録装置 |
JPH11188879A (ja) * | 1997-12-26 | 1999-07-13 | Ricoh Co Ltd | ノズル形成部材及びその製造方法並びにインクジェットヘッド |
Non-Patent Citations (1)
Title |
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See also references of EP1157842A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP2001199066A (ja) | 2001-07-24 |
EP1157842A4 (en) | 2005-06-08 |
DE60040457D1 (de) | 2008-11-20 |
EP1157842A1 (en) | 2001-11-28 |
US6629754B1 (en) | 2003-10-07 |
JP4438918B2 (ja) | 2010-03-24 |
EP1157842B1 (en) | 2008-10-08 |
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