Patents Issued in April 18, 2017
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Patent number: 9625817Abstract: The present invention relates to a special heteropolymer, namely a silicic acid (hetero)poly(co)condensate with positive-resist behavior which is distinguished by polycondensation or copolycondensation of specially modified silanes. The invention relates likewise to monomeric silanes from which the corresponding heteropolymers, i.e. the silicic acid (hetero)poly(co)condensates, can be produced. The silicic acid (hetero)poly(co)condensates according to the invention can be used for a photoresist which has positive-resist behavior. In addition, the invention relates to corresponding methods both for the production of the silanes, the silicic acid (hetero)poly(co)condensates or a method for photochemical structuring of the photoresist according to the invention which is based on the silicic acid (hetero)poly(co)condensates.Type: GrantFiled: February 25, 2014Date of Patent: April 18, 2017Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Daniela Collin, Gerhard Domann
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Patent number: 9625818Abstract: Disclosed is a photoresist film including a light-to-heat conversion layer on a support film, and a thermo-responsive polymer layer on the light-to-heat conversion layer, wherein the photoresist film is easily detached from a transfer substrate through a temperature adjustment and detach film since the photoresist film includes thermo-responsive polymer.Type: GrantFiled: July 24, 2015Date of Patent: April 18, 2017Assignee: LG Display Co., Ltd.Inventors: Jae hyun Park, Jin Wuk Kim, Wy-Yong Kim, Hye Li Min, Min Jee Kim, Young tae Son, Young sub Shin
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Patent number: 9625819Abstract: Provided are methods of preparing a plurality of extrusions, comprising (a) shrinking a transparent first thermoplastic material comprising a plurality of non-transparent marks, (b) lithographically transferring the pattern of the shrunk non-transparent marks to a layer of photoresist deposited on a second thermoplastic material, and (c) shrinking the second thermoplastic material, thereby generating a plurality of extrusions on the shrunk second thermoplastic material.Type: GrantFiled: May 25, 2012Date of Patent: April 18, 2017Assignee: The Regents of the University of CaliforniaInventors: Michelle Khine, Shreshta Jayadev
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Patent number: 9625820Abstract: A method of patterning a thin film includes steps as follows. The thin film is formed. The thin film includes a plurality of first molecules, and each of the first molecules has a conjugated structure. A mask is covered on the thin film. The mask includes at least one exposing area, and the exposing area is correspondent to an illuminated region of the thin film. A solvent annealing and illuminating step is conducted, wherein the thin film covered by the mask is illuminated with a light source under an atmosphere of a first solvent, and a wavelength range of the light source is correspondent to an energy enabling the first molecules to reach an excited state. Thus a thickness of the illuminated region of the thin film is increased or decreased so as to form a pattern on the thin film.Type: GrantFiled: June 7, 2015Date of Patent: April 18, 2017Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Arnold Chang-Mou Yang, Wei-Chun Chen
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Patent number: 9625821Abstract: A developing apparatus includes a first cup module and a second cup module arranged to be spaced apart from each other in a transverse direction; a first developing solution nozzle configured to wait in a standby position between the first cup module and the second cup module; and a first moving mechanism configured to move the first developing solution nozzle between the standby position and a processing position in which the developing solution is supplied to the substrate, wherein the first developing solution nozzle includes an ejection hole configured to eject the developing solution to form a liquid puddle on a surface of the substrate, the first developing solution nozzle includes a contact portion formed smaller than the surface of the substrate and installed to face the surface of the substrate, and the first developing solution nozzle spreads the liquid puddle on the substrate.Type: GrantFiled: July 16, 2015Date of Patent: April 18, 2017Assignee: TOKYO ELECTRON LIMITEDInventors: Masahiro Fukuda, Taro Yamamoto
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Patent number: 9625822Abstract: Embodiments of performing a photolithography process are provided. The method for performing the photolithography process includes providing a substrate and forming a photoresist layer over the substrate. The method further includes forming exposed photoresist portions by performing an exposure process on the photoresist layer. The method further includes performing a surface modifying treatment on the photoresist layer after the exposure process and removing the exposed photoresist portions by performing a developing process.Type: GrantFiled: October 30, 2013Date of Patent: April 18, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chi-Cheng Tsai, Hung-Chi Wu, Tsung-Chuan Lee, Chung-Hsien Lin
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Patent number: 9625823Abstract: A system and method for local film stress calculation is disclosed. The method may include specifying a plurality of measurement points on a substrate, the substrate being configured to receive a film deposition; obtaining a local film thickness measurement for each measurement point; obtaining a local wafer shape parameter for each measurement point; and calculating a local film stress value for each measurement point based on the local film thickness measurement and the local wafer shape parameter for each corresponding measurement point. The method may further include specifying a plurality of estimation points on the substrate; obtaining a local wafer shape parameter for each estimation point; calculating an estimated local film thickness for each estimation point; and calculating a local film stress value for each estimation point based on the estimated local film thickness and the local wafer shape parameter for each corresponding estimation point.Type: GrantFiled: April 27, 2011Date of Patent: April 18, 2017Assignee: KLA-Tencor CorporationInventors: Torsten R. Kaack, Leonid Poslavsky, Yu Tay
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Patent number: 9625824Abstract: An extreme ultraviolet (EUV) radiation source module includes a target droplet generator, a first laser source, and a second laser source. The target droplet generator is configured to generate a plurality of target droplets. The first laser source is configured to generate a plurality of first laser pulses that heat the target droplets at respective excitation positions thereby generating a plurality of target plumes. At least one of the target droplets is heated at an excitation position different from that of other target droplets. The second laser source is configured to generate a plurality of second laser pulses that heat the target plumes thereby generating plasma emitting EUV radiation.Type: GrantFiled: July 20, 2015Date of Patent: April 18, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTDInventors: Yen-Cheng Lu, Jeng-Horng Chen, Shun-Der Wu, Tzu-Hsiang Chen
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Patent number: 9625825Abstract: An illumination optical apparatus illuminates a pattern on a mask with illumination light. The illumination optical apparatus includes an optical integrator, a polarization member arranged in an optical path of the illumination light on an incidence side of the optical integrator, which changes a polarization state of the illumination light, and a distribution changing member arranged in the optical path between the polarization member and the optical integrator, which can change a light amount distribution of the illumination light on a pupil plane of the illumination optical apparatus. The polarization member changes the polarization state of the illumination light so that a polarization direction of the illumination light, which is distributed away from an optical axis of the illumination optical apparatus on the pupil plane, is substantially coincident with a circumferential direction about the optical axis on the pupil plane.Type: GrantFiled: May 8, 2013Date of Patent: April 18, 2017Assignee: NIKON CORPORATIONInventors: Takehito Kudo, Shigeru Hirukawa
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Patent number: 9625826Abstract: An illumination optical apparatus illuminates a pattern on a mask with illumination light. The illumination optical apparatus includes an optical integrator arranged in an optical path of the illumination light, a deflecting member arranged in the optical path on an incidence side of the optical integrator, which deflects the illumination light, a lens element arranged in the optical path between the deflecting member and the optical integrator, which distributes the illumination light in a region, on a pupil plane of the illumination optical apparatus, away from an optical axis of the illumination optical apparatus, and a polarization member arranged in the optical path between the lens element and the optical integrator, which changes a polarization state of the illumination light so that a polarization direction of the illumination light in the region is substantially coincident with a circumferential direction about the optical axis.Type: GrantFiled: May 9, 2013Date of Patent: April 18, 2017Assignee: NIKON CORPORATIONInventors: Takehito Kudo, Shigeru Hirukawa
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Patent number: 9625827Abstract: An imaging optical unit for EUV projection lithography serves to image an object field into an image field. Mirrors guide imaging light from the object field to the image field. An aperture stop is tilted by at least 1° in relation to a normal plane which is perpendicular to an optical axis. The aperture stop has a circular stop contour. In mutually perpendicular planes, a deviation of a numerical aperture NAx measured in one plane from a numerical aperture NAy measured in the other plane is less than 0.003, averaged over the field points of the image field. What emerges is an imaging optical unit, in which homogenization of an image-side numerical aperture is ensured so that an unchanging high structure resolution in the image plane is made possible, independently of an orientation of a plane of incidence of the imaging light in the image field.Type: GrantFiled: November 19, 2015Date of Patent: April 18, 2017Assignee: Carl Zeiss SMT GmbHInventors: Johannes Ruoff, Josef Rapp
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Patent number: 9625828Abstract: A fluid handling structure for a lithographic apparatus, the fluid handling structure successively having, at a boundary from a space configured to comprise immersion fluid to a region external to the fluid handling structure: an extractor having at least one opening arranged in a first line that, in use, is directed towards a substrate and/or a table; and a liquid manipulator on a surface that, in use, faces the substrate and/or table to reduce the chance of droplets on the surface from coalescing.Type: GrantFiled: February 7, 2011Date of Patent: April 18, 2017Assignee: ASML NETHERLANDS B.V.Inventors: Michel Riepen, Erik Henricus Egidius Catharina Eummelen, Sandra Van Der Graaf, Rogier Hendrikus Magdalena Cortie, Takeshi Kaneko, Nina Vladimirovna Dziomkina, Laurentius Johannes Adrianus Van Bokhoven, Fabrizio Evangelista, David Bessems, Cornelius Maria Rops, Adrianus Marinus Verdonck, Nicolaas Ten Kate
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Patent number: 9625829Abstract: A fluid handling structure for a lithographic apparatus has, at a boundary of a space configured to contain immersion fluid to a region external to the fluid handling structure, a gas supply opening radially outward of the space, a fluid recovery opening radially outward of the gas supply opening, and a damper surface extending at least 0.5 mm radially outwards from the fluid recovery opening along the undersurface of the fluid handling structure.Type: GrantFiled: September 11, 2012Date of Patent: April 18, 2017Assignee: ASML NETHERLANDS B.V.Inventors: David Bessems, Cornelius Maria Rops
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Patent number: 9625831Abstract: According to one embodiment, a controller calculates wafer alignment residuals from results of wafer alignment measurement and calculates shape change displacement residuals from the surface shape of a wafer. Further, the controller calculates first conversion coefficients that are ratios of the wafer alignment residuals to the shape change displacement residuals and generates fine wafer alignment residual data by using the first conversion coefficients. Furthermore, the controller generates correction information in which first correction values at the time of the exposure processing are calculated for every shot on the wafer by using the fine wafer alignment residual data. Then, the controller controls exposure processing in an exposure unit by using the correction information corresponding to the shot of the wafer.Type: GrantFiled: February 9, 2016Date of Patent: April 18, 2017Assignee: Kabushiki Kaisha ToshibaInventor: Kazuhiro Segawa
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Patent number: 9625832Abstract: A planar motor system comprises a platen with a first planar motor component and a stage with a second planar motor component. The stage can move along a first cardinal axis or a second cardinal axis. The planar motor system further comprises a drive system. When the drive system is energized in a first drive configuration, it applies a first force and a second force. The first force and the second force are not parallel to any cardinal axis. A vector sum of the first force and the second force is parallel to the first cardinal axis. When the drive system is energized in a second drive configuration, it applies a third force and a fourth force. The third force and the fourth force are not parallel to any cardinal axis. A vector sum of the third force and the fourth force is parallel to the second cardinal axis.Type: GrantFiled: September 27, 2013Date of Patent: April 18, 2017Assignee: Rudolph Technologies, Inc.Inventors: J. Casey Donaher, Craig Simpson, Peter John Gerard Dufault
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Patent number: 9625833Abstract: A substrate table for an immersion lithographic apparatus is disclosed having a recess, configured to receive a substrate of a given size, and a fluid extraction system, configured to extract fluid from a gap between the edge of the substrate and the edge of the recess, the fluid extraction system configured such that the rate of flow of fluid extracted from a localized section of the gap is greater than the rate of flow of fluid extracted from another section of the gap.Type: GrantFiled: June 15, 2015Date of Patent: April 18, 2017Assignee: ASML NETHERLANDS B.V.Inventors: Marco Koert Stavenga, Sergei Shulepov, Koen Steffens, Mathieus Anna Karel Van Lierop, Samuel Bertrand Dominique David, David Bessems
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Patent number: 9625834Abstract: A substrate is exposed with an illumination light via a projection optical system. A stage that holds the substrate is moved over a base disposed below the projection optical system. An encoder system measures positional information of the stage with a plurality of heads that face a grating section. Movement of the stage is controlled based on the positional information measured with the encoder system, while compensating for a measurement error of the encoder system that occurs due to a head of the plurality of heads. During movement of the stage, one head of the plurality of heads is switched to another head different from the plurality of heads. Correction information for controlling movement of the stage using the another head after the switching is acquired based on the positional information measured with the plurality of heads used before the switching.Type: GrantFiled: July 22, 2016Date of Patent: April 18, 2017Assignee: NIKON CORPORATIONInventor: Yuichi Shibazaki
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Patent number: 9625835Abstract: A lithographic apparatus includes a substrate table constructed to hold a substrate, a projection system configured to project a patterned radiation beam through an opening and onto a target portion of the substrate, and a conduit having an outlet in the opening. The conduit is configured to deliver gas to the opening. The lithographic apparatus includes a temperature control apparatus disposed in a space between the projection system and the substrate table. The temperature control device is configured to control the temperature of the gas in the space after the gas passes through the opening.Type: GrantFiled: October 12, 2012Date of Patent: April 18, 2017Assignee: ASML NETHERLANDS B.V.Inventors: Manish Ranjan, Carlo Cornelis Maria Luijten, Franciscus Johannes Joseph Janssen, Maksym Chernyshov
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Patent number: 9625836Abstract: An interferometer includes: an optical system configured to generate interfering light by dividing light from a light source, and combining reference light and measurement light; a detector configured to detect the interfering light generated by the optical system; and an optical member configured to give spatial coherence to the light from the light source before the detector detects the light from the light source. The optical member gives higher spatial coherence in a second direction serving as a direction of a line of intersection of a cross section of a beam of the light incident on the optical member, and a plane including optical paths of the light from the light source before being divided by the optical system, the reference light, the measurement light, and the interfering light, than in a first direction perpendicular to the plane.Type: GrantFiled: July 10, 2014Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Wataru Yamaguchi, Takahiro Matsumoto, Hideki Ina
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Patent number: 9625837Abstract: The present invention provides an imprint apparatus which forms a pattern on an imprint material on a substrate by using a mold, including a first optical member interposed between an illumination optical system and a detection optical system, and a mold, and configured to guide a first light from the illumination optical system and a second light from the detection optical system to the mold, and a second optical member interposed between the first optical member and the detection optical system, and configured to transmit the second light which is reflected by a mark formed on the mold or a mark formed on the substrate and travels toward the detection optical system through the first optical member, and block the first light which travels toward the detection optical system through the first optical member.Type: GrantFiled: July 9, 2014Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventor: Ken-ichiro Shinoda
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Patent number: 9625838Abstract: An electrophotographic apparatus includes a cylindrical electrophotographic photosensitive member, a charging roller that is disposed in contact with the electrophotographic photosensitive member and applies a direct current voltage to charge the electrophotographic photosensitive member, and a driving force transmission that transmits a driving force which causes rotation so that contact portions of the electrophotographic photosensitive member and the charging roller move in the same direction and the peripheral speed of the charging roller is higher than the peripheral speed of the electrophotographic photosensitive member, wherein the undercoat layer of the electrophotographic photosensitive member contains metal oxide and the undercoat layer has a volume resistivity of 1×107 ?·cm or more and 1×1014 ?·cm or less.Type: GrantFiled: November 23, 2015Date of Patent: April 18, 2017Assignee: Canon Kabushiki KaishaInventors: Kazumichi Sugiyama, Daisuke Tanaka, Takeshi Murakami, Daisuke Kawaguchi, Kazuhiro Yamauchi, Satoru Nishioka
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Patent number: 9625839Abstract: A photosensitive layer in a multilayer electrophotographic photoconductor includes a charge-generation layer including a charge-generating material having, as a major component, a titanyl phthalocyanine crystal which satisfies the conditions (A) and (B) below and a base resin, and a charge-transport layer including a charge-transporting material, the charge-generating material having, as a major component, the titanyl phthalocyanine crystal which has absorption at a wavelength of a charge-neutralizing light and which satisfies the conditions (A) and (B) or an X-form metal-free phthalocyanine crystal which has absorption at the wavelength of the charge-neutralizing light, and a binder resin. (A) In a Cu—K? characteristic X-ray diffraction spectrum, one peak is present at a Bragg angle 2?±0.2°=27.2°. (B) In a differential scanning calorimetry, one peak is present in a range of 270° C. to 400° C. except for peaks attributed to vaporization of adsorption water.Type: GrantFiled: December 28, 2011Date of Patent: April 18, 2017Assignee: KYOCERA Document Solutions Inc.Inventors: Makoto Shishido, Kensuke Okawa
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Patent number: 9625840Abstract: A process for making a latex emulsion suitable for use in a toner composition includes co-emulsifying a bio-based resin with an insoluble component, such as a pigment or wax, whereby the resin encapsulates the insoluble component. The resulting latex, including the insoluble component encapsulated in the resin, may then be utilized to form a toner. The insoluble component may thus be included in toner particles, which might otherwise be difficult to achieve, using emulsion aggregation processes.Type: GrantFiled: May 12, 2015Date of Patent: April 18, 2017Assignee: Xerox CorporationInventors: Ke Zhou, Kimberly D Nosella, Guerino Sacripante, Sonja Hadzidedic
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Patent number: 9625841Abstract: A magnetic toner contains magnetic toner particles containing a binder resin, a release agent, and a magnetic body, and inorganic fine particles present on the surface of the magnetic toner particles, wherein a ratio of coverage of the magnetic toner particles' surface by the inorganic fine particles is in a prescribed range for the magnetic toner, the inorganic fine particles contain prescribed metal oxide fine particles, with at least 85 mass % of the metal oxide fine particles being silica fine particles, the coefficient of variation on the coverage ratio A is in a prescribed range, the binder resin contains a styrene resin, in a GPC measurement of a THF-soluble matter in the magnetic toner, a peak molecular weight (Mp) of a main peak is in a prescribed range, and a prescribed fatty acid ester compound is incorporated as a release agent.Type: GrantFiled: July 22, 2016Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Shuichi Hiroko, Michihisa Magome, Yusuke Hasegawa, Yoshitaka Suzumura
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Patent number: 9625842Abstract: A magnetic toner including: magnetic toner particles containing a binder resin, a magnetic body, and a release agent; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, wherein the magnetic toner has a coverage ratio A of the magnetic toner particles' surface by the inorganic fine particles and a coverage ratio B of the magnetic toner particles' surface by the inorganic fine particles fixed to the magnetic toner particles' surface that reside in prescribed numerical value ranges; the binder resin contains a styrene resin; the reType: GrantFiled: July 22, 2016Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Kozue Uratani, Michihisa Magome, Yusuke Hasegawa, Shuichi Hiroko
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Patent number: 9625843Abstract: An electrostatic image developing toner includes toner particles that contain coloring particles containing a binder resin, a coloring agent and a releasing agent. The binder resin includes an amorphous resin and a crystalline polyester resin. The toner satisfies Relations (1) and (2). ?H1 is the amount of heat absorption based on a melting peak of the crystalline polyester resin in a first heating step. ?H2 is the amount of heat absorption based on a melting peak of the crystalline polyester resin in a second heating step. ?H0 is the value of the amount of heat absorption based on a melting peak of the crystalline polyester resin in the second heating step, multiplied by the ratio of the crystalline polyester introduced in the electrostatic image developing toner. 0.43<?H1/?H0<0.95??Relation (1): 0.45<?H2/?H1<1.Type: GrantFiled: October 14, 2015Date of Patent: April 18, 2017Assignee: KONICA MINOLTA, INC.Inventors: Aya Shirai, Tatsuya Nagase, Junya Onishi, Tatsuya Fujisaki, Naoya Tonegawa, Junichi Furukawa
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Patent number: 9625844Abstract: Provided is a toner containing toner particles, each of which includes a binder resin containing a polyester as a main component, a colorant, and a wax, in which the binder resin includes a block polymer in which a segment capable of forming a crystalline structure and a segment incapable of forming a crystalline structure are bonded, the toner has a maximum endothermic peak from the binder resin, as determined by differential scanning calorimetry measurement, with a peak temperature in a specific range and with an endothermic quantity in a specific range, and the wax is an ester wax having a functionality of 3 or more.Type: GrantFiled: April 10, 2014Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Takaaki Kaya, Tetsuya Kinumatsu, Toshifumi Mori, Ayako Okamoto, Kenji Aoki, Shuntaro Watanabe, Atsushi Tani, Takashige Kasuya
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Patent number: 9625845Abstract: The present invention provides a compound capable of improving the dispersibility of yellow, magenta, cyan, and black pigments in a water-insoluble solvent and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention relates to a compound having a structure in which an azo skeleton structure is bound to a polymer portion via a linking group in the azo skeleton structure.Type: GrantFiled: April 24, 2014Date of Patent: April 18, 2017Assignee: Canon Kabushiki KaishaInventors: Ayano Mashida, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Takayuki Toyoda, Masashi Kawamura, Chiaki Nishiura, Yuki Tsujii, Taiki Watanabe, Masashi Hirose
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Suspension polymerization toner of core-shell structure with positive charges and preparation method
Patent number: 9625846Abstract: Suspension polymerization toner of core-shell structure with positive charges comprises core-shell composite particles prepared by mixing composition forming toner core particles with aqueous dispersion liquid, carrying out a heating polymerization reaction to obtain suspension dispersion liquid of toner soft core particles, and carrying out a water-based polymerization reaction to form the core-shell composite particles of which an outer surface of the toner core particles are coated with the rigid shell layer with dense positive charges.Type: GrantFiled: April 2, 2013Date of Patent: April 18, 2017Assignee: SHENZHEN LEPUTAI TECHNOLOGY CO., LTDInventors: Zhijun Liu, Yuanyuan Zhang, Huan Zhang, Xiao Yuan, Hong Meng, Hui Yang -
Patent number: 9625847Abstract: An electrostatic charge image developing carrier contains a core particle and a resin coat layer on a surface of the core particle, wherein the core particle has a BET specific surface area of from 0.05 m2/g to 0.10 m2/g, and the resin coat layer contains a nitrogen-containing (meth)acrylate resin.Type: GrantFiled: January 23, 2015Date of Patent: April 18, 2017Assignee: FUJI XEROX CO., LTD.Inventors: Takeshi Shoji, Hiroshi Kamada, Yosuke Tsurumi
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Patent number: 9625848Abstract: A toner, wherein the toner is obtained by washing a toner particle dispersion liquid which is obtained by adding cellulase to a dispersion slurry, and the dispersion slurry is obtained from a dispersion liquid or an emulsion of a toner material-containing oil phase in an aqueous medium, and wherein the dispersion liquid or the emulsion contains a cellulosic dispersion stabilizing agent.Type: GrantFiled: June 26, 2013Date of Patent: April 18, 2017Assignee: Ricoh Company, Ltd.Inventors: Yousuke Suzuki, Sayaka Yuasa, Sayuri Kojima, Takahiro Kadota, Yasuaki Iwamoto
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Patent number: 9625849Abstract: In a case of changing a first light quantity to a second light quantity which is smaller than the first light quantity, a light quantity changing unit changes a light quantity to a third light quantity, which is smaller than the first light quantity and larger than the second light quantity, before changing the light quantity to the second light quantity, and a third light quantity is a light quantity with which the signal is able to be output in a state where a first threshold is set.Type: GrantFiled: March 29, 2016Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventor: Takeshi Shimba
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Patent number: 9625850Abstract: A multifunction peripheral includes a transfer belt, a first imaging unit, a second imaging unit, a primary transfer roller, a secondary transfer roller, a developing bias application unit, a charging bias application unit, and a control unit. The control unit performs control such that a first developing bias that is applied to a first developing roller by the developing bias application unit and a a second developing bias that is applied to a second developing roller by the developing bias application unit have opposite phases.Type: GrantFiled: May 2, 2016Date of Patent: April 18, 2017Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Masahito Ishino
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Patent number: 9625851Abstract: A developing device includes a developer bearer disposed facing a latent image bearer in a developing range to transport developer by rotation, a support to support the developer bearer and including a holder mount, a rod-shaped developer regulator disposed facing a surface of the developer bearer across a gap, and a holder secured to the holder mount of the support to hold the rod-shaped developer regulator. The rod-shaped developer regulator extends in an axial direction of the developer bearer.Type: GrantFiled: February 1, 2016Date of Patent: April 18, 2017Assignee: Ricoh Company, Ltd.Inventors: Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara, Noriyuki Kimura, Yoshiharu Kishi, Yasunobu Shimizu, Junichi Matsumoto, Yoshiyuki Fukuda, Yuuji Ishikura, Kei Saito
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Patent number: 9625852Abstract: A cleaning unit for an image forming apparatus includes a frame; a cleaning blade; a first seal sealing between the frame and the blade, provided by injection molding into the frame adjacent to an axial end; and a second seal between the frame and the drum, provided opposing to the free end portion adjacent to the axial end portion, and the second seal having a L-like configuration with projection extending in a direction crossing with the axial direction outwardly beyond an end surface of the blade, wherein the first seal includes a base portion provided at a position inside of the end surface and extending in the crossing direction and an extension extending from the base portion in the axial direction, the extension having a free end portion compressed by the projection to seal between the projection and the frame.Type: GrantFiled: February 19, 2016Date of Patent: April 18, 2017Assignee: Canon Kabushiki KaishaInventors: Hiroki Shimizu, Susumu Nittani, Keisuke Nomura, Hideki Kakuta
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Patent number: 9625853Abstract: A developing roller configured to carry developer and extending in an axial direction includes: a hollow cylindrical rubber portion; and a shaft. The hollow cylindrical rubber portion has axial end faces. The shaft extends through the hollow cylindrical rubber portion and has a shaft portion positioned inward of the axial end faces of the hollow cylindrical rubber portion in the axial direction. The shaft portion has an axially middle portion and axial end portions positioned outward of the axially middle portion in the axial direction. The axially middle portion has an outer diameter smaller than that of each of the axial end portions.Type: GrantFiled: March 25, 2014Date of Patent: April 18, 2017Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masashi Imai, Marika Ogiso
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Patent number: 9625854Abstract: Provided are a developer carrying member, and a process cartridge and an electrophotographic apparatus using the developer carrying member, the developer carrying member including a substrate, an elastic layer, and a surface layer covering a surface of the elastic layer in which the surface layer contains a modified acrylic resin, and the modified acrylic resin has a constituent unit represented by the following structural formula (1). (R1 represents an alkyl group having 1 to 3 carbon atoms; U represents a urethane resin having, between two adjacent urethane bonds, a structure represented by the following structural formula (2), and at least one of structure selected from a structure represented by the following structural formula (3) and a structure represented by the following structural formula (4); and L represents a divalent linking group containing an ester bond (—O—C(?O)—)).Type: GrantFiled: May 18, 2015Date of Patent: April 18, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Takashi Koyanagi, Minoru Nakamura, Seiji Tsuru, Kazuaki Nagaoka, Yuto Miyauchi
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Patent number: 9625855Abstract: A developer container according to the invention includes a developer containing unit, a partition member, and a moving restricting member. The developer containing unit has a developer containing chamber for containing an unused developing agent and a waste developer containing chamber for containing a waste developing agent. The partition member partitions the developer containing chamber and the waste developer containing chamber. The moving restricting member permits the partition member moving from a side of the waste developer containing chamber to a side of the developer containing chamber and restricts the partition member moving from the side of the developer containing chamber to the side of the waste developer containing chamber.Type: GrantFiled: September 21, 2015Date of Patent: April 18, 2017Assignee: Oki Data CorporationInventor: Atsushi Ota
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Patent number: 9625856Abstract: A cartridge includes a casing, a developing roller, and an agitator. The casing is configured to accommodate developing agent. The casing has a first wall and a second wall disposed away from the first wall in a first direction. The agitator includes a rotational shaft and an agitating blade. The rotational shaft extends in the first direction and has a first end portion. The first end portion defines a circumferential surface and is supported to the first wall. The rotational shaft is configured to rotate in a rotating direction about a rotational center. The first wall has a concave portion having a plurality of protruding portions extending toward the circumferential surface and arranged at intervals from each other in the rotating direction. The agitating blade is positioned between the first end portion and the second end portion in the first direction and extending in the radial direction.Type: GrantFiled: September 4, 2015Date of Patent: April 18, 2017Assignee: Brother Kogyo Kabushiki KaishaInventors: Kazuna Taguchi, Yasuo Fukamachi, Motoaki Mushika
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Patent number: 9625857Abstract: Provided is a toner cartridge comprising: a toner storage case configured to store toner; and an auger screw rotatably supported in the toner storage case and configured to convey the toner stored in the toner storage case, wherein the toner storage case comprises: a first supporting portion that rotatably supports a downstream end along a toner conveyance direction of the auger screw; a second supporting portion that rotatably supports an upstream end along the toner conveyance direction of the auger screw; a discharge port provided at a downstream side along the toner conveyance direction and below the first supporting portion so as to discharge therefrom the toner conveyed by the auger screw; and an inclined portion that is provided above the discharge port and inclines by a predetermined angle from a plane perpendicular to a rotating shaft of the auger screw toward an upstream side along the toner conveyance direction.Type: GrantFiled: July 19, 2016Date of Patent: April 18, 2017Assignee: SHARP KABUSHIKI KAISHAInventor: Takeshi Okuda
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Patent number: 9625858Abstract: An intermediate transfer belt includes a thermoplastic resin and a fibrous material. The fibrous material has an orientation angle Fa of from 5° to 30° in a direction perpendicular to a circumferential direction of the intermediate transfer belt.Type: GrantFiled: February 22, 2016Date of Patent: April 18, 2017Assignee: RICOH COMPANY, LTD.Inventors: Akira Izutani, Hideaki Yasunaga, Makoto Matsushita, Hiroaki Takahashi, Keiichiro Juri, Ayano Momose, Yuri Haga
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Patent number: 9625859Abstract: An intermediate transferring belt and an image-forming apparatus are shown. The intermediate transferring belt is to be mounted in an electrophotographic image-forming apparatus. The intermediate transferring belt includes the following, in sequence, a substrate; an elastic layer; and a surface layer. The surface layer includes an acrylic resin including a copolymer of a urethane acrylate and one or more acrylates selected from the group consisting of a monofunctional acrylate having an alicyclic structure and a monofunctional acrylate having a heterocyclic structure.Type: GrantFiled: April 20, 2016Date of Patent: April 18, 2017Assignee: KONICA MINOLTA, INC.Inventors: Eiichi Yoshida, Sadaaki Sakamoto, Takayuki Suzuki, Ito Koga
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Patent number: 9625860Abstract: An image forming apparatus comprises a first roller, a second roller and a control section. The first roller is arranged on a conveyance path of a sheet. The second roller is arranged downstream side of the first roller in the conveyance path. The control section calculates a deflection amount of the sheet nipped by the first roller and the second roller based on a conveyance speed of the sheet conveyed along the conveyance path, and controls a rotation speed of at least one of the first roller and the second roller based on the calculated deflection amount.Type: GrantFiled: March 18, 2015Date of Patent: April 18, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Eizo Kurita
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Patent number: 9625861Abstract: A sheet cooling apparatus cools a sheet while conveying the sheet having passed through a fixing device for fixing an unfixed toner image formed on the sheet by heating the toner image. A second suspension member is arranged so as to press a second endless belt on a circumferential face of a first cooling roller through a first endless belt, a first suspension member is arranged so as to press the first endless belt on a circumferential face of a second cooling roller through the second endless belt, and a curved sheet conveying path is formed between the first endless belt and the second endless belt.Type: GrantFiled: June 28, 2013Date of Patent: April 18, 2017Assignee: Canon Kabushiki KaishaInventor: Kazuhisa Okuda
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Patent number: 9625862Abstract: A heater control device includes a power factor correction circuit configured to convert an alternate current voltage from a commercial power source to a direct current voltage; an inverter configured to generate a specific alternate current voltage from the direct current voltage converted with the power factor correction circuit; a heater configured to receive the specific alternate current voltage generated with the inverter; and an excessive temperature rise preventing portion configured to interrupt the specific alternate current voltage generated with the inverter from being supplied to the heater.Type: GrantFiled: August 18, 2015Date of Patent: April 18, 2017Assignee: OKI DATA CORPORATIONInventor: Toru Kosaka
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Patent number: 9625863Abstract: In accordance with an embodiment, an image forming apparatus controls the heating of a fixing section in such a manner that the heating mode is switched to a second heating mode through a switching section in a case in which the temperature of a heating section is lower than a predetermined temperature, and the heating mode is switched to a first heating mode through a switching section in a case in which the temperature of the heating section is equal to or higher than the predetermined temperature.Type: GrantFiled: December 30, 2015Date of Patent: April 18, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Hiroshi Katakura
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Patent number: 9625864Abstract: A fixing device includes an endless belt, a heating plate, a pressure roller, a first belt guide and a second belt guide. The endless belt has a tubular shape and extends in a first direction. The heating plate is disposed inside the endless belt and extends in the first direction. The first belt guide guides an end of the endless belt in the first direction and includes an inner guide and a restriction portion to restrict movement of the endless belt in the first direction. The second belt guide faces the first belt guide in a second direction and extends from a vicinity of the heating plate to a vicinity of the inner guide along the inner peripheral surface of the endless belt. An end of the restriction portion in the second direction closer to the heating plate is located closer to the second belt guide than the inner guide.Type: GrantFiled: February 4, 2016Date of Patent: April 18, 2017Assignee: Brother Kogyo Kabushiki KaishaInventors: Kei Ishida, Takuji Matsuno, Hiroki Mori, Akihiro Kobayashi
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Patent number: 9625865Abstract: An image forming apparatus includes an image bearer that bears a toner image, a sensor, an adhesion amount calculator, and a wavelength determiner. The sensor includes a light source that emit light onto the image bearer, and an image element that detects reflected light that is emitted from the light source and reflected from the image bearer. The adhesion amount calculator calculates a toner adhesion amount of the toner image on the image bearer based on the reflected light having at least one wavelength among a plurality of wavelengths detected by the sensor. The wavelength determiner determines, based on color information of the image bearer detected by the sensor, a wavelength to be used in calculation of the toner adhesion amount by the adhesion amount calculator.Type: GrantFiled: February 24, 2016Date of Patent: April 18, 2017Assignee: Ricoh Company, Ltd.Inventors: Natsumi Matsue, Kohta Fujimori, Kayoko Tanaka
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Patent number: 9625866Abstract: An image forming apparatus includes an apparatus body, a sheet container detachably attachable to the apparatus body and accommodating recording media therein, an image forming part to form an image on each of the recording media, a sheet separating part to separate the recording media one by one, feed the recording medium toward the image forming part, and include a sheet feeding body and a sheet separating body to rotate in contact with the sheet feeding body and form a sheet separation nip region with the sheet feeding body, a sheet containing unit to contain the recording media therein, and a sheet separating body storing unit disposed at one end of the sheet containing unit to store the sheet separating body therein. The sheet container being pulled out from the apparatus body by moving from the sheet containing unit to the sheet separating body storing unit.Type: GrantFiled: November 5, 2014Date of Patent: April 18, 2017Assignee: RICOH COMPANY, LTD.Inventors: Jumpei Aoyama, Hajime Nishida, Hideki Tobinaga, Junpei Kamichi, Satoshi Kuno, Shun Kobayashi, Manabu Nonaka
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Patent number: 9625867Abstract: An image forming apparatus includes: a conveyance section configured to convey a sheet along a sheet feeding path; an image forming section configured to transfer and fix a toner image on a sheet conveyed by the conveyance section to form an image; and a plurality of cutting sections configured to cut a sheet that is conveyed through the sheet feeding path in a sheet width direction.Type: GrantFiled: June 5, 2015Date of Patent: April 18, 2017Assignee: KONICA MINOLTA, INC.Inventor: Shougo Fukai