Fujifilm Corporation

Fuji Photo Film Company, Limited

Kenichi Kodama

Toshiya Kojima

Kanji Nagashima

Seiichi Inoue

Seiichiro Oku

Kazuo Sanada

Naoki Kusunoki

Setsuji Tatsumi

Atsushi Uejima

Yoshiro Yamazaki

Kunihiko Kodama

Ryoichi Yamamoto

Yoshinori Morimoto

Yoshiharu Okino

Satoshi Wakamatsu

Toshiyuki Inoue

Koichi Kimura

Tadashi Omatsu

Tsutomu Yokouchi

Kensuke Goda

Tsuyoshi Mita

Tadashi Kyoso

Yuichiro Enomoto

Hirotaka Kitagawa

Yuichiro Goto

Ryuji Tsukamoto

Takafumi Noguchi

Hisamitsu Hori

Tadashi Oomatsu

Takeshi Unemura

Misako Kurihara

A printing apparatus applies ink to a surface of a printing plate in the shape of a predetermined pattern and then transfers the ink to a substrate. The printing apparatus includes: an image recording section that applies the ink to the surface of the printing plate; a plate surface observation unit that acquires information about the surface of the printing plate; a storage section that stores information about a reference shape serving as a reference of the surface of the printing plate; and a determination section that compares the information about the reference shape stored in the storage section with the information about the surface of the printing plate, which is obtained by the plate surface observation unit, and determines whether or not the surface of the printing plate to which the ink has been applied is present in a predetermined range of the reference shape.

Printing apparatus and printing method

The present invention provides a discharge method which makes it possible to appropriately perform discharge even when a head for discharging microdroplets having a size of equal to or less than 6 pL that is necessary for controlling a residual film (forming a thin film and achieving uniformity) is used, and makes it possible to obtain an excellent pattern having excellent release properties. The discharge method is an inkjet discharge method including discharging a photocurable composition in the form of liquid droplets having a size of equal to or less than 6 pL, in which the composition satisfies the following (a) to (c), (a) containing a fluorine-containing material in a proportion of equal to or less than 4% by mass of the composition; (b) having a surface tension of 25 mN/m to 35 mN/m; and (c) containing a solvent having a boiling point of equal to or less than 200&#xb0; C. in an amount of 5% by mass of the composition.

Inkjet discharge method, pattern formation method, and pattern

An aspect of the present invention provides an ejection volume correction method for an inkjet head, including: an arranging step of ejecting functional ink as ink droplets from nozzles of an inkjet head so as to discretely arrange the ink droplets on a front surface of a substrate; a contacting step of filling the functional ink in between a mold and the substrate by causing the mold to contact the ink droplets arranged on the front surface of the substrate; a curing step of curing the filled functional ink so as to generate a functional film; a separating step of separating the mold from the functional film; a measuring step of measuring a thickness of the functional film; and a correcting step of correcting an ejection volume from the nozzles based on the measured thickness.

Ejection volume correction method for inkjet head, ejection volume correction apparatus

A printing apparatus includes: a printing plate having a recessed portion formed therein shaped corresponding to a pattern to be formed on a substrate; an inking unit including an inkjet head that performs an inking process of ejecting a liquid into the recessed portion, the liquid having particles as a material of the pattern dispersed therein; a laminating unit that performs a laminating process of laminating the substrate on a surface having the recessed portion formed therein after the inking process; a post-drying unit that performs a drying process on the liquid inside the recessed portion in a state in which the substrate is laminated on the surface having the recessed portion formed therein, thereby to reduce the fluidity of the liquid; and a peeling unit that peels off the substrate from the printing plate after the drying process by the post-drying unit.

A simulation method predicts wet spreading and unions of a plurality of droplets arranged on a patterned surface defined by a fine pattern of protrusions and recesses, the patterned surface causing anisotropy to occur in the wet spreading of the droplets. The influence imparted by the pattern of protrusions and recesses that defines the patterned surface, which is the target of analysis, on the wet spreading of the droplets is treated as wetting properties of an analysis surface, and the wet spreading and unions of the plurality of droplets on the analysis surface are analyzed by gas liquid two phase flow analysis that incorporates the wetting property parameters that represents the wetting properties.

Simulation method, simulation program, recording medium having the simulation program stored therein, method for producing droplet arrangement patterns utilizing the simulation method, nanoimprinting method, method for producing patterned substrates, and ink jet apparatus

According an aspect of the present invention, when causing the liquid ejection head to perform a feeding operation along a first direction, the substrate is retracted outside the projected feeding region of the liquid ejection head and the supporting member thereof prior to starting the feeding operation of the liquid ejection head, preventing dusts and other foreign matters, generated as a result of the feeding operation of the liquid ejection head and the supporting member, from being deposited on a surface of the substrate onto which the liquid is to be deposited.

Liquid ejection apparatus, nanoimprint system, and liquid ejection method

A liquid application device includes: a liquid discharge head having a structure in which nozzles for performing droplet ejection of a functional liquid onto a substrate are aligned in a row in a predetermined direction, and including liquid chambers connected to the nozzles respectively and piezoelectric elements which are provided correspondingly to the liquid chambers and serve to pressurize the liquid in the liquid chambers; a relative movement unit for causing relative movement between the substrate and the liquid discharge head; and a droplet ejection control unit for operating the piezoelectric elements so as to cause the liquid to land discretely on the substrate, and controlling operation of the piezoelectric elements according to each of groups formed by grouping the nozzles correspondingly to the structure of the liquid discharge head.

Liquid application device, liquid application method, and nanoimprint system

Disclosed is a maintenance liquid for property carrying out imprints excellent in patternability. The maintenance liquid for imprints of an ink-jet discharging device comprises a compound comprising an ester group and/or an ether group.

Maintenance liquid

A liquid application apparatus includes: a head including a plurality of nozzles which eject droplets of liquid having functional properties toward a substrate; a relative movement device which causes the head and the substrate to move relatively to each other in a relative movement direction; a droplet ejection control device which operates the head at a prescribed droplet ejection period so as to deposit the droplets discretely onto the substrate; an x-direction droplet deposition pitch changing device which changes a deposition pitch of the droplets on the substrate in an x direction perpendicular to the relative movement direction; and a y-direction droplet deposition pitch changing device which changes a deposition pitch of the droplets on the substrate in a y direction parallel to the relative movement direction.

Liquid application apparatus, liquid application method and imprinting system

A standard drive waveform contains, in one ejection cycle: a first ejection waveform group including at least one ejection waveform causing liquid to be ejected from a nozzle to form one dot of a maximum size; a first non-ejection waveform arranged after the first ejection waveform group; a second ejection waveform group including at least one ejection waveform causing the liquid to be ejected from the nozzle to form a dot of a minimum size; and a second non-ejection waveform arranged after the second ejection waveform group. At least one of the ejection waveforms is selected from one of the first and second ejection waveform groups in accordance with ejection data. When the selected ejection waveform belongs to the first ejection waveform group, the first non-ejection waveform is further selected. When the selected ejection waveform belongs to the second ejection waveform group, the second non-ejection waveform is further selected.

Inkjet ejection apparatus, inkjet ejection method, and inkjet recording apparatus

A liquid droplet measurement apparatus has: a first laser light source emitting a laser light; a first optical device which makes, in terms of a beam cross-section of the laser light, a beam width in a direction perpendicular to a direction of ejection of a liquid droplet, greater than a beam width in the direction of ejection of the liquid droplet, and makes light intensity of the laser light fall within a prescribed range within a range where variation in a position of the liquid droplet occurs in the direction perpendicular to the direction of ejection of the liquid droplet, at a position where the laser light from the first laser light source is irradiated onto the liquid droplet ejected; a first light receiving device which receives the laser light that has been irradiated onto the liquid droplet by the first optical device and generates a determination signal; and a first liquid droplet characteristics calculation device which calculates at least one of a volume of the liquid droplet and a velocity of the liquid droplet, from the determination signal generated by the first light receiving device.

Liquid droplet measurement apparatus and liquid droplet measurement method

Objects of the present invention are to facilitate filling out by hand an electronic paper and to realize digitization of contents with which the electronic paper is filled out by hand with a simple structure. A read image is obtained by optically reading a reading-object of the electronic paper. Based on the document information written on the electronic paper and writing-conditions during document writing, which are represented by the document information, a display image of the document in accordance with the read image information is formed. A written image is separated and extracted by converting a density only of pixels among the respective pixels of the read image, whose densities vary in accordance with the document writing and which correspond to a portion, to which ink of a pen for the handwriting is not adhered.

Electric paper reading system

The liquid ejection head includes: a nozzle plate which has a plurality of ejection apertures through which a liquid is ejected; a plurality of pressure chambers which are connected respectively to the ejection apertures; a plurality of liquid supply flow channels which supply the liquid respectively to the pressure chambers; a common liquid chamber which supplies the liquid to the liquid supply flow channels; a plurality of pressure generating devices which respectively deform the pressure chambers; and a plurality of electrical wires which supply drive signals to the pressure chamber generating devices, wherein the electrical wires are provided so as to pass through the common liquid chamber.

Liquid ejection head and image forming apparatus comprising same

The liquid ejection head comprises: a nozzle plate including a nozzle surface in which a plurality of nozzles from which liquid is ejected are formed, the nozzles being arranged two-dimensionally; a pressure chamber forming plate in which a plurality of pressure chambers connected to the nozzles are formed; an elastic member interposed between the nozzle plate and the pressure chamber forming plate; and a deflection device causing the nozzle plate to move in a direction parallel to the nozzle surface so that a direction of ejection of the liquid ejected from each of the nozzles is deflected.

Growing community of inventors

Kanagawa, Japan

Kenichi Kodama