1619 patents
Page 55 of 81
Utility
Wafer Placement Table and Method for Manufacturing the Same
6 Jan 21
A wafer placement table includes: a ceramic member having a wafer placement surface; a mesh electrode buried in the ceramic member; a conductive connection member in contact with the mesh electrode and exposed to outside from a surface of the ceramic member on the opposite side of the wafer placement surface; and an external current-carrying member joined to a surface of the connection member exposed to outside.
Yutaka UNNO, Shuichiro MOTOYAMA
Filed: 10 Jun 20
Utility
Forging Tool
6 Jan 21
A forging tool is to forge a workpiece in a cuboidal forging space, and wherein (a): the forging space is formed when the bottom surface of the first die and the bottom surface of the second die are brought into contact with the contact surface of the third die, or (b): the forging space is formed when a first die contact surface provided in the first die and a second die contact surface provided in the second die are brought into contact with each other.
Hiromi MIURA, Naokuni MURAMATSU, Tadahiro KAWAMOTO
Filed: 20 Sep 20
Utility
Aluminum Nitride Plate
6 Jan 21
An aluminum nitride plate satisfies a “c1>97.5%”, a “c2>97.0%”, a “w1<2.5 degrees”, and a “w1/w2<0.995” where c1 is a c-plane degree of orientation that is defined as a ratio of a diffraction intensity of (002) plane when a surface layer of the aluminum nitride plate is subjected to an X-ray diffraction measurement, and c2 is a c-plane degree of orientation that is defined as a ratio of the diffraction intensity of (002) plane when a portion other than the surface layer of the aluminum nitride plate is subjected to the X-ray diffraction measurement, wherein w1 is a half-value width in an X-ray rocking curve profile of (102) plane of the surface layer and w2 is a half-value width in the X-ray rocking curve profile of (102) plane of the portion other than the surface layer.
Yoshimasa KOBAYASHI, Hiroharu KOBAYASHI, Hiroyuki SHIBATA
Filed: 23 Sep 20
Utility
Lithium Secondary Battery
6 Jan 21
A positive electrode of a lithium secondary battery includes a sheet-like positive electrode current collector having conductivity, and a positive electrode active material plate that is a plate-like ceramic sintered compact joined to the positive electrode current collector via a conductive joint layer.
Masahiko HIBINO, Takayuki KONDO, Tetsushige YOSHIDA
Filed: 13 Sep 20
Utility
Bonded Body of Piezoelectric Material Substrate and Supporting Substrate
6 Jan 21
A bonded body includes a supporting substrate, a bonding layer provided on a surface of a supporting substrate and composed of silicon oxide, and a piezoelectric material substrate of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate.
Yuji HORI, Takahiro YAMADERA
Filed: 17 Sep 20
Utility
Sealing pin, method of manufacturing assembly, and method of manufacturing gas sensor
4 Jan 21
A sealing pin includes a distal end portion that is inserted into the cylindrical body and that presses the sealant in the sealing step and a slit that is provided to allow the sealing pin to avoid the sensor element when the sealing pin is inserted into the cylindrical body, that extends through the distal end portion in a direction perpendicular to an axial direction of the distal end portion, and that has a width larger than a thickness of the sensor element.
Kenji Isaka, Nobukazu Ikoma, Koji Egawa
Filed: 27 Mar 18
Utility
Ceramic porous body and method for producing the same, and dust collecting filter
4 Jan 21
A ceramic porous body comprising: skeleton portions including an aggregate and at least one binding material; and pore portions formed between the skeleton portions, the pore portions being capable of allowing a fluid to flow therethrough.
Hiroaki Noguchi, Shuichi Ichikawa, Akifumi Kawakami, Mitsuhiro Ito
Filed: 28 Feb 19
Utility
Ceramic Support, Zeolite Membrane Complex, Method of Producing Zeolite Membrane Complex, and Separation Method
30 Dec 20
A support is a porous ceramic support for supporting a zeolite membrane.
Makoto MIYAHARA, Kenichi NODA
Filed: 8 Sep 20
Utility
Method of Manufacturing Wafer Mounting Table
30 Dec 20
A method of manufacturing a wafer mounting table according to an embodiment includes: (a) a step of loading a ceramic slurry containing a ceramic powder and a gelling agent into opening portions of a metal mesh, inducing a chemical reaction of the gelling agent to gelate the ceramic slurry, and then performing degreasing and calcining to prepare a ceramic-loaded mesh; (b) a step of sandwiching the ceramic-loaded mesh between a first ceramic calcined body and a second ceramic calcined body obtained by calcining after mold cast forming so as to prepare a multilayer body; and (c) a step of hot press firing the multilayer body to prepare the wafer-receiving table.
Kazuhiro NOBORI, Takuji KIMURA
Filed: 13 Sep 20
Utility
Composite Sintered Body, Semiconductor Manufacturing Apparatus Member, and Method of Manufacturing Composite Sintered Body
30 Dec 20
The composite sintered body includes Al2O3, and MgAl2O4.
Kyohei ATSUJI, Noboru NISHIMURA, Asumi NAGAI, Yuji KATSUDA
Filed: 15 Sep 20
Utility
Semiconductor Manufacturing Apparatus
30 Dec 20
A semiconductor manufacturing apparatus includes: a metal base member fixed to a surface, on the opposite side of a wafer mounting surface, of an electrostatic chuck; an electrode terminal connected to an electrode embedded in the electrostatic chuck; a through hole provided at a position of the base member, the position being opposed to the electrode terminal; an insulating sleeve fixed to the inner circumferential surface of the through hole; a chuck-side terminal which is connected to the electrode terminal via a flexible cable, and fixed to the insulating sleeve with arranged in the insulating sleeve; a flexible insulating tube that covers the cable, the flexible insulating tube having one end fixed to the electrode terminal and the other end fixed to the chuck-side terminal; and an insulating resin member that covers at least part of the electrode terminal, the part being not covered by the insulating tube.
Shinpei KUNITA
Filed: 15 Sep 20
Utility
Method of producing substrates including gallium nitride
30 Dec 20
A method of producing a functional device has an etched gallium nitride layer and a functional layer having a nitride of a group 13 element.
Shuhei Higashihara, Makoto Iwai, Katsuhiro Imai
Filed: 15 Sep 20
Utility
Lithium Secondary Battery
30 Dec 20
A positive electrode of a lithium secondary battery includes a positive electrode current collector and a positive electrode active material plate that is a plate-like ceramic sintered compact containing a lithium complex oxide.
Haruo OTSUKA, Yuki FUJITA
Filed: 13 Sep 20
Utility
Ammonia gas sensor and method for measuring concentration of ammonia gas
28 Dec 20
Provided is a gas sensor which is capable of preferably sensing an ammonia gas, and has excellent durability.
Taku Okamoto, Takayuki Sakurai, Noriko Hirata, Yuki Nakayama
Filed: 5 Dec 16
Utility
Sensor element and gas sensor
28 Dec 20
A sensor element includes an element body having an elongate rectangular parallelepiped shape and including solid electrolyte layers with oxygen ion conductivity, an outer pump electrode disposed on a first surface of the element body, and a protective layer covering at least a part of a second surface of the element body on a side opposite to the first surface and including one or more exposed spaces (a lower space) to which the second surface is exposed.
Takashi Hino, Mika Murakami, Koichi Masuda, Hironori Sakakibara
Filed: 17 Mar 16
Utility
Method of manufacturing gas sensor and method of removing oil
28 Dec 20
A method of manufacturing a gas sensor includes a step of preparing an assembly including a sensor element, a metal cylindrical body through which the sensor element penetrates in an axial direction, and a protection cover that is attached to the cylindrical body and that covers one end side of the sensor element.
Hiroyuki Tanaka, Koji Egawa, Kenji Isaka, Yutaka Nakane
Filed: 8 Mar 18
Utility
Insulated heat dissipation substrate
28 Dec 20
An insulated heat dissipation substrate including: a ceramic substrate; and a conductor layer bonded onto at least one of main surfaces of the ceramic substrate, wherein the conductor layer includes: an upper surface; a lower surface; and a side surface 1 connecting the upper surface with the lower surface; the ceramic substrate includes: a lowest portion; a side surface 2 connecting the lowest portion with the side surface 1 of the conductor layer; and a bonding surface at a position higher than the lowest portion, the bonding surface being bonded to the lower surface of the conductor layer; an absolute value (|α−β|) is 20° or less on average; and the side surface 1 has a receding portion from an end of the upper surface in the normal direction relative to the tangential line of the contour of the conductor layer as viewed in plane.
Shingo Iwasaki, Takashi Ebigase
Filed: 15 Aug 19
Utility
Elastic wave element and method for manufacturing same
28 Dec 20
In an acoustic wave device including a piezoelectric material substrate and supporting body bonded with each other through a bonding layer, it is an object to provide the acoustic wave device having the structure for further improving the propagation loss and temperature characteristics of frequency of an acoustic wave.
Tomoyoshi Tai, Masahiko Namerikawa, Takashi Yoshino
Filed: 30 Oct 19
Utility
Zeolite Membrane Complex, Method for Producing Zeolite Membrane Complex, and Separation Method
23 Dec 20
A zeolite membrane complex includes a porous support, and a zeolite membrane formed on the support.
Naoto KINOSHITA, Makiko ICHIKAWA, Kenji YAJIMA, Makoto MIYAHARA, Katsuya SHIMIZU
Filed: 8 Sep 20
Utility
Honeycomb Structure, Electric Heating Type Honeycomb Structure, Electric Heating Type Catalyst and Exhaust Gas Purifying Device
23 Dec 20
A honeycomb structure includes: an outer peripheral wall; and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the plurality of cells extending from one end face to the other end face to form a flow path for a fluid.
Takayuki INOUE, Kohei YAMADA, Makoto HAMAZAKI
Filed: 11 Mar 20