Canon Kabushiki Kaisha

Hideto Yokoi

Takahiro Mori

Katsuhiro Shirota

Akio Kashiwazaki

Shoji Shiba

Takeshi Miyazaki

Satoshi Wada

Nobuhito Yamaguchi

Makoto Akahira

Hiroshi Fujiike

Makoto Shioya

Ryuji Katsuragi

Shuichi Murakami

Hirokazu Komuro

Ken Tsuchii

Norio Ohkuma

Keiichi Murai

Yoshihiro Shigemura

Kazuhiro Jindai

Takashi Fujikawa

Jiro Moriyama

Makoto Aoki

Yoshihisa Takizawa

Mayumi Yamamoto

Hiromitsu Hirabayashi

Noribumi Koitabashi

Hitoshi Sugimoto

Shinichi Sato

Shigeyasu Nagoshi

Miyuki Matsubara

Hiromitsu Yamaguchi

Toshiharu Inui

Fumihiro Gotoh

Hisao Yaegashi

Masaya Uetuki

Masataka Eida

Masaya Kikuta

Takayuki Fujita

Tadao Saito

Hiroshi Sato

Tetsurou Inoue

Akinori Shiota

A foreign matter detecting apparatus includes a detecting device for detecting foreign matter by measuring smoothness of a surface of an object undergoing measurement, a marking device for providing a dent on the surface of the object with a predetermined horizontal distance from the foreign matter detected by the detecting device, and a mass spectrum measuring device for irradiating and scanning a small area with a primary ion beam, as a part of the object, including the foreign matter and the dent, so as to measure a mass spectrum of secondary ions emitted from the foreign matter located at a position within a predetermined horizontal distance from the dent.

Foreign matter or abnormal unsmoothness inspection apparatus and foreign matter or abnormal unsmoothness inspection method

A surface analysis apparatus includes a unit configured to bombard a sample surface with at least two types of ions having different sizes; a measurement device for measuring, with a time-of-flight secondary ion mass spectrometer, a mass spectrum of ions emitted from the sample surface; and an information processor outputting a difference between two mass spectra measured by bombardment of different types of ions.

Surface analysis apparatus and method using ion bombardment

A foreign matter or abnormal unsmoothness inspection apparatus is constituted by a detecting member for detecting a foreign matter or abnormal unsmoothness by measuring smoothness of a surface of a substrate-like measuring object, a marking device for providing an dent on the surface of the measuring object with a predetermined horizontal distance from the foreign matter or abnormal unsmoothness, and a mass spectrum measuring device for measuring a mass spectrum of secondary ion emitted from a position with a predetermined distance from the dent by detecting the dent through impact and scanning of the surface of the measuring object with a primary ion beam.

A color filter manufacturing apparatus of this invention includes a plurality of ink-jet heads () each having a first ink discharging nozzle group () in which the pitch of a plurality of ink discharging nozzles in the Y-axis direction is set to be equal to the pitch of pixels of the same color in the Y-axis direction, and a second ink discharging nozzle group having a nozzle pitch set to be equal to the pixel pitch in the Y-axis direction like the first ink discharging nozzle group. Control of an ink discharging operation is performed for only one of the first and second ink discharging nozzle groups which is to be used to color pixels of corresponding colors on a substrate ().

Color filter manufacturing method and apparatus, ink-jet device, color filter, display device, and apparatus having display device

A method of manufacturing a color filter having a plurality of colored pixels on a substrate by discharging an ink from an ink-jet head having a plurality of ink discharging nozzles while performing relative movement of the ink-jet head and the substrate, includes the step of dividing the plurality of ink discharging nozzles for discharging the ink having a same color into a plurality of nozzle groups, each nozzle group including every N nozzles, with N being a positive integer. In coloring one substrate by performing the relative movement a plurality of times, an ink discharging operation is performed such that inks are discharged by using only one nozzle group of the plurality of nozzle groups in the plural relative movements, and ink discharging nozzles which are used in a subsequent relative movement always include all of, or part of, ink discharging nozzles which have been used in a previous relative movement.

Color filter manufacturing method and apparatus, ink jet device, color filter, display device, and apparatus having display device

A liquid composition for ink-jet recording, or an ink set for ink-jet recording which produces an image having water resistance and excellent print quality, and which can reduce color bleeding that occurs in formation of color images, and furthermore, which can extend a life-span of ink-jet recording heads, as well as an ink-jet recording method, a recording unit, an ink cartridge and an ink-jet recording apparatus are provided. The liquid composition or a color ink constituting the ink set comprising a polyvalent metal salt, a material selected from the group consisting of acids including amino groups and salts thereof, and a liquid medium is used.

Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink-jet recording apparatus

Provided is a color filter which comprises a substrate and a resin layer on the substrate, the resin layer containing a plurality of colored portions of different colors and non-colored portions.

Color filter, method for manufacturing it, and liquid crystal panel

Liquid composition, ink for ink-jet, ink set for ink-jet recording, ink-jet recording method, recording unit, ink cartridge, and ink jet recording apparatus

A liquid composition for cleaning an ink-jet recording head containing at least one kind of oxidizing detergent in an amount effective in cleaning an ink-jet recording head. The liquid composition can improve the life and ink ejecting properties of an ink-jet recording head.

Liquid composition, method of cleaning ink-jet recording head, ink-jet recording apparatus, cartridge, and method of regenerating ink-jet recording head

The outermost surface protection layer of the heater of an ink-jet recording head containing at least metal or oxide thereof is protected against erosion by suppressing or preventing the dissolution of the outermost surface protection layer. The heater is adapted to apply thermal energy to a liquid composition to be ejected. The liquid composition contains a liquid medium, alkali metal ions and a compound expressed by general formula H N&mdash;(CHY) &mdash;(CH ) &mdash;X, X representing a carboxyl group or a sulfonic acid group, Y representing a hydrogen atom, a carboxyl group or a sulfonic acid group, n representing 0 or 1, m representing an integer from 0 to 2. The liquid composition is heated so as to satisfy the relation as defined by the formula 1.10&lE;E /E &lE;1.90, E representing the amount of energy applied to the heater per unit time in order to cause the recording head to eject the liquid composition, E representing the minimum amount of energy required by the recording head per unit time to eject ink.

Method of protecting heater surface of ink-jet printer, ink-jet recording apparatus, recording unit and method of prolonging service life of ink-jet recording head

The method of the present invention of manufacturing a nozzle plate for an ink jet recording head comprises a first step of forming a layer of a resin comprising a benzene ring on a metal substrate, a second step of patterning the layer of the resin by means of excimer laser and partially exposing the metal substrate, a third step of forming a metal layer having a thickness smaller than that of the resin layer on the exposed surface of the metal substrate by electroforming, and a fourth step of separating the metal layer from the metal substrate and the resin layer.

Method of manufacturing nozzle plate for ink jet recording head, ink jet recording head comprising such nozzle plate, and ink jet recording apparatus comprising such head

A method for manufacturing an ink jet recording head, which is provided with orifices for liquid discharge use, nozzles communicated with the orifices, electrothermal converting members arranged in the nozzles to form bubbles in the liquid by providing thermal energy for it, the liquid chamber communicated with the nozzles to supply liquid to the nozzles and a substrate having the electrothermal converting members provided therefor, comprises the steps of preparing the substrate to be a silicon substrate having (,) plane or (,) plane crystal axes therefor, forming organic resin layer at least in the liquid chamber on the silicon substrate, then, removing by means of anisotropic etching a part of the liquid chamber formation portion of the substrate from the reverse side of the formation surface of the organic resin layer and forming an elastic member portion formed by the membrane of the organic resin layer in the liquid chamber. With the method of manufacture thus arranged, it is possible to provide an ink jet recording head capable of performing stable discharges for a long-term use with the incorporation of such elastic member portion in the liquid chamber to absorb the pressure vibration caused by the performance of ink discharges and to suppress the resultant vibrations of menisci at the discharge ports.

Method of manufacture of ink jet recording head with an elastic member in the liquid chamber portion of the substrate

A method of instantly measuring the amount of ink discharged from a nozzle of an ink-jet type printhead in a single discharging operation comprises: a density measuring step of measuring the density of an ink dot formed by ink discharged from the printhead onto a glass plate,and a determining step of determining the amount of the discharged ink on the basis of the density of the ink dot measured in the measuring step.

Method and apparatus for measuring the amount of discharged ink, printing apparatus, and method of measuring the amount of ink discharged in the printing apparatus

In a color filter manufacturing method according to the present invention, a color filter is manufactured by coloring the respective pixels with a plurality of discharged inks arranged in the scanning direction while an ink-jet head having a plurality of ink discharging nozzles in a direction substantially perpendicular to the scanning direction is scanned over a substrate. A coloring operation is performed while the ink discharging pattern is changed for each of the arrayed pixels or each pixel group.

Color filter manufacturing method and apparatus, color filter, display device, apparatus having display device, and print method

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Yokohama, Japan

Hideto Yokoi