Sekisui Chemical Co., Ltd.

Microjet Gmbh

Shima Seiki Mfg., Ltd.

Michihisa Ueda

Takashi Watanabe

Takanori Inoue

Ryosuke Takahashi

Shigeru Nakamura

Mitsuru Tanikawa

Yoshito Fujita

Hiroshi Maenaka

Toshio Takahashi

Osamu Inui

Shuuji Kage

Yusuke Fujita

Tasuku Yamada

Shuichi Yamaguchi

Naoyuki Morimoto

Taichi Hamada

Masumi Honda

Provided is a method for producing a cured product film, which is capable of increasing the formation accuracy of a fine cured product film and also increasing the adhesion of the cured product film. The method for producing a curable film according to the present invention includes an application step in which a curable composition that is photocurable and thermocurable and also is in liquid form is applied using an ink jet device, a first light irradiation step in which the curable composition is irradiated with light from a first light irradiation part, and a heating step in which a precured product film irradiated with light is heated, the ink jet device has an ink tank to store the curable composition, a discharge part, and a circulation flow path part, and in the application step, the curable composition is applied while being circulated in the ink jet device.

Method for manufacturing cured film, method for manufacturing electronic component, and electronic component

A liquid ejection device () comprising: a first tank () for retaining a liquid composition; a head () for ejecting the liquid composition; a first heater () for heating the liquid composition; a first channel (); a second heater () for heating the liquid composition passing through the first channel () at a heating temperature higher than that of the first heater (); a second channel (); a second pump (); and a first pump (), wherein the temperature difference between the heating temperature of the second heater () and the heating temperature of the first heater () is 65&#xb0; C. or less.

Liquid ejection device

Provided is a curable composition for inkjet which can have a prolonged pot life even under an environment in an inkjet device that is warmed to 50&#xb0; C. or higher and which can be cured into a cured product having improved heat resistance and insulation reliability, in spite of the fact that a thermally curable compound is used in the curable composition. The curable composition for inkjet according to the present invention contains a photocurable compound, a thermally curable compound, a photopolymerization initiator and a thermal curing agent and does not contain a solvent or contains the solvent, wherein the content of the solvent in 100% by weight of the curable composition is 1% by weight or less when the curable composition for inkjet contains the solvent, the photocurable compound contains a polyfunctional compound having at least two (meth)acryloyl groups, and the thermal curing agent is an aromatic amine having at least one benzene ring and at least two amino groups.

Curable composition for inkjet, and method for manufacturing electronic component

Provided is a curable composition for inkjet applied by an inkjet method, that has a long pot life even in the environment in an inkjet device warmed to 50&#xb0; C. or higher and excellent insulation reliability by the cured product after curing despite containing a compound having a cyclic ether group. The composition for inkjet according to the present invention is applied by an inkjet method, and cures by heat addition, the composition for inkjet according to the present invention contains a compound having a cyclic ether group and a curing agent, and the curing agent is a reaction viscous product obtained by reacting dicyandiamide with a functional group-containing compound having a functional group reactive with the dicyandiamide.

Curable composition for inkjet and method for producing electronic component

Provided is a curable composition for inkjet, which can have improved storage stability. The curable composition for inkjet according to the present invention can be applied in an inkjet mode, and can be cured by the irradiation with light and the application of heat, the curable composition for inkjet according to the present invention comprises a polyfunctional compound having at least two (meth)acryloyl groups, a compound having a cyclic ether group, a heat-curing agent and a color material which cannot be dissolved in the polyfunctional compound and which is dissolved in the curable composition.

Curable composition for inkjet, and method for producing electronic part

Provided is a method for producing an electronic component, which is capable of forming a cured adhesive layer easily with high accuracy. The method for producing a curable film electronic component according to the present invention includes an application step in which an adhesive is applied onto a first electronic component body using an ink jet device to form an adhesive layer, a first light irradiation step in which an adhesive layer is irradiated with light from a first light irradiation part, an attachment step in which a second electronic component body is disposed on the adhesive layer irradiated with light and attached, and a step in which the adhesive layer is cured by heating, thereby giving an electronic component, the ink jet device includes an ink tank to store the adhesive, a discharge part, and a circulation flow path part, and in the application step, the adhesive is applied while being circulated in the ink jet device.

Method for manufacturing electronic component, and electronic component

Provided is a curable composition for inkjet capable of improving uniformity of a cured product film and heat resistance of a cured product. The curable composition for inkjet according to the present invention contains a compound having a (meth)acryloyl group and a cyclic ether group, a photoreactive compound, a compound having a cyclic ether group, a photopolymerization initiator, and a potential curing agent, the photoreactive compound and the compound having a cyclic ether group each are a compound other than the compound having a (meth)acryloyl group and a cyclic ether group, the compound having a (meth)acryloyl group and a cyclic ether group has one or two (meth)acryloyl groups, and the viscosity at 25&#xb0; C. of the curable composition for inkjet according to the present invention is 160 mPa&#xb7;s or more and 1200 mPa&#xb7;s or less.

Curable composition for inkjet, and method for producing electronic component

It is an object of the present invention to provide a method of fabricating a liquid crystal display, which can prevent degradation in liquid crystal display performance such as contrast due to the cohesion of spacers and fabricate a liquid crystal display of high image quality, having high resolution. The present invention relates to a method of fabricating a liquid crystal display, which has a step of ejecting spacer dispersion liquid obtainable by dispersing a spacer in a dispersion medium in a specific region of the surface of a substrate from a nozzle of an ink-jet system and locating the spacer in a specific region on the substrate, at least 80% by weight of the dispersion medium having a boiling point of 200&#xb0; C. or lower and a contact angle of 5&#xb0; or smaller on the substrate and in the step of locating the spacer in a specific region on the substrate, the spacer dispersion liquid being ejected in a specific region of the surface of the substrate at the interval of distribution S (&#x3bc;m), satisfying a relationship of the following formula (1):&#x2267;20&#xd7;(),&#x2003;&#x2003;(1)in the formula, V represents droplet volume (pL) of the spacer dispersion liquid ejected once from a nozzle and D represents a particle diameter (&#x3bc;m) of the spacer contained in the spacer dispersion liquid.

Method for producing liquid crystal display

It is an object of the present invention to provide a method of fabricating a liquid crystal display by which a liquid crystal display capable of displaying a high quality display image with high resolution and preventing light leakage, light omission and the like due to spacers may be produced. The present invention relates to a method of fabricating a liquid crystal display, which has a step of locating a spacer on a substrate by ejecting a droplet of spacer dispersion liquid containing a spacer with a particle diameter R (&#x3bc;m) from a nozzle of an ink-jet apparatus and depositing the droplet on the substrate surface, a hole diameter of the nozzle being 7R (&#x3bc;m) or larger, the spacer dispersion liquid having surface tension of 30 to 50 mN/m and a contact angle &#x3b8; on the substrate surface of 30 to 90&#xb0; and, in the step of locating the spacer on the substrate, depositing the droplet of the spacer dispersion liquid on the substrate surface at the interval of deposition D (&#x3bc;m) satisfying a relationship of the following formula (1): .

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Osaka, Japan

Michihisa Ueda