1619 patents
Page 32 of 81
Utility
Wafer Placement Table and Method of Manufacturing the Same
31 Mar 22
A wafer placement table is a ceramic sintered body with a surface provided with multiple projections that support a wafer.
Hiroshi TAKEBAYASHI, Kenichiro AIKAWA, Tatsuya KUNO
Filed: 10 Dec 21
Utility
Composite Substrate, Elastic Wave Element, and Production Method for Composite Substrate
31 Mar 22
A composite substrate includes a supporting substrate composed of quartz, a piezoelectric material substrate, a first amorphous layer present between the supporting substrate and piezoelectric material substrate, and a second amorphous layer present between the supporting substrate and first amorphous layer.
Yuji HORI, Takahiro YAMADERA
Filed: 9 Dec 21
Utility
Bonded Substrate, and Method for Manufacturing Bonded Substrate
31 Mar 22
A bonded substrate includes: a silicon nitride ceramic substrate; a copper plate; and a bonding layer bonding the copper plate to the silicon nitride ceramic substrate, wherein the bonding layer has a first interface in contact with the silicon nitride ceramic substrate and a second interface in contact with the copper plate, and contains a nitride and a silicide of an active metal as at least one metal selected from the group consisting of titanium and zirconium, an atomic fraction of nitrogen of the bonding layer is greatest at the first interface and is smallest at the second interface, and a sum of atomic fractions of the active metal and silicon of the bonding layer is smallest at the first interface and is greatest at the second interface.
Takashi Ebigase
Filed: 10 Dec 21
Utility
Honeycomb structure
29 Mar 22
A honeycomb structure includes a honeycomb structure body having porous partition walls, wherein a value of a porosity of the partition wall in a partitioning wall portion between the two cells is defined as a porosity A, a value of a porosity of the partition wall in an intersecting portion that is a region connecting two or more wall portions is defined as a porosity B, a value of A/B obtained by dividing the porosity A by the porosity B is from 0.5 to 0.95, and the porosity A is from 10 to 40%.
Yasushi Kato, Takahiro Kondo, Junki Matsuya
Filed: 5 Nov 18
Utility
Electrically Heated Support, Exhaust Gas Purifying Device and Method for Producing Electrically Heated Support
24 Mar 22
An electrically heated support according to the present invention includes: a pillar shaped honeycomb structure, the honeycomb structure including an outer peripheral wall and a partition wall, the partition wall defining a plurality of cells, each of the cells penetrating from one end face to other end face to form a flow path; and a pair of electrode terminals provided on a surface of the outer peripheral wall.
Kenichi OHASHI
Filed: 20 Aug 21
Utility
Honeycomb shaped porous ceramic body, manufacturing method for same, and honeycomb shaped ceramic separation membrane structure
22 Mar 22
A separation membrane structure has partition walls including a honeycomb shaped porous ceramic body provided with a large number of pores, and cells to become through channels of a fluid are formed by the partition walls.
Kenji Yajima, Makoto Miyahara, Tetsuya Uchikawa, Makoto Teranishi, Makiko Ichikawa, Hideyuki Suzuki
Filed: 23 Sep 14
Utility
Electrostatic chuck and method for manufacturing the same
22 Mar 22
An electrostatic chuck includes a first ceramic member disk-shaped and having an annular step surface outside a circular wafer holding surface thereof, the annular step surface being at a lower level than the wafer holding surface, the first ceramic member having a volume resistivity that allows Coulomb force to be exerted; a first electrode embedded in the first ceramic member at a position facing the wafer holding surface; a second electrode disposed on the annular step surface of the first ceramic member, the second electrode being independent of the first electrode; and a second ceramic member having an annular shape and configured to cover the annular step surface having the second electrode thereon, the second ceramic member having a volume resistivity that allows Johnsen-Rahbek force to be exerted, wherein an upper surface of the second ceramic member is a focus ring holding surface on which a focus ring is placed.
Tatsuya Kuno, Ikuhisa Morioka, Takashi Kataigi, Kenichiro Aikawa
Filed: 17 Dec 19
Utility
Honeycomb filter
22 Mar 22
Fumihiko Yoshioka, Yoshiaki Hatakeyama, Noritaka Masumitsu
Filed: 18 Mar 19
Utility
Honeycomb filter
22 Mar 22
Fumihiko Yoshioka, Yoshiaki Hatakeyama, Noritaka Masumitsu
Filed: 18 Mar 19
Utility
Catalyst substrate, method of manufacturing the same, and exhaust gas purification apparatus
22 Mar 22
A catalyst substrate may include a ceramic base body including first and second ends, the second end being opposite to the first end, and the ceramic base body being provided with a plurality of cells each extending between the first and second ends; and a plurality of metal particles or metal fragments introduced into one or more internal spaces of one or more selected cells in the plurality of cells.
Yukio Miyairi, Masaaki Masuda, Jean-Paul Brunel
Filed: 16 Apr 19
Utility
Honeycomb structure, electric heating type honeycomb structure, electric heating type catalyst and exhaust gas purifying device
22 Mar 22
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: 12 Mar 20
Utility
Composite substrate for electro-optic element and method for manufacturing the same
22 Mar 22
A composite substrate for an electro-optic element includes: an electro-optic crystal substrate having an electro-optic effect; a support substrate bonded to the electro-optic crystal substrate at least via an amorphous layer; and a low-refractive-index layer located between the electro-optic crystal substrate and the amorphous layer and having a lower refractive index than the electro-optical crystal substrate.
Tomoyoshi Tai, Jungo Kondo
Filed: 17 Nov 20
Utility
Composite Sintered Body, Semiconductor Manufacturing Apparatus Member and Method of Producing Composite Sintered Body
17 Mar 22
A composite sintered body includes a base material that contains Al2O3 as a main component, and an electrode arranged inside or on a surface of the base material.
Keita MIYANISHI, Kyohei ATSUJI, Asumi NAGAI, Hirofumi YAMAGUCHI, Soichiro AOYAGI
Filed: 8 Sep 21
Utility
Composite Sintered Body, Semiconductor Manufacturing Apparatus Member, and Method of Producing Composite Sintered Body
17 Mar 22
A composite sintered body includes a base material that includes ceramic as a main component, and an electrode arranged inside the base material or on a surface of the base material.
Kyohei ATSUJI, Keita MIYANISHI, Asumi NAGAI, Hirofumi YAMAGUCHI
Filed: 20 Aug 21
Utility
Porous composite
15 Mar 22
A porous composite includes a porous base material and a porous collection layer formed on the base material.
Shogo Takeno, Kousuke Ujihara, Yunie Izumi
Filed: 9 Nov 20
Utility
Honeycomb filter
15 Mar 22
A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 19 to 26 μm, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (μm) on an abscissa axis and a log differential pore volume (cm3/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 18 μm or less, the pore diameter value corresponding to a ⅓ value width of the maximum value.
Fumihiko Yoshioka, Yuji Sasaki, Kimiko Kishine, Sachiko Ishida, Kyohei Kato
Filed: 18 Jan 21
Utility
Catalyst deterioration diagnosis device and catalyst deterioration diagnosis method
15 Mar 22
A catalyst deterioration diagnosis device includes: a unit configured to obtain a temperature of a catalyst; a unit configured to obtain a sensor output from a gas sensor disposed between the catalyst and an exhaust port; and a unit configured to determine the catalyst to be faulty when the temperature of the catalyst obtained when the sensor output becomes a preset evaluative output is equal to or higher than an evaluative catalyst temperature.
Osamu Nakasone, Kosuke Monna
Filed: 7 Oct 19
Utility
Gas sensor
15 Mar 22
A gas sensor includes a structural body made from an oxygen ion conductive solid electrolyte, a gas introduction passage which is formed in the structural body and into which a gas to be measured is introduced, a main adjustment chamber that communicates with the gas introduction passage, and a measurement chamber that communicates with the main adjustment chamber.
Yusuke Watanabe, Mika Kai, Shiho Iwai
Filed: 23 Oct 19
Utility
Dielectric Drying Method and Dielectric Drying Device for Ceramic Formed Bodies, and Method for Producing Ceramic Structures
10 Mar 22
A dielectric drying method for ceramic formed bodies includes drying a plurality of ceramic formed bodies placed side by side in an arrangement direction Y perpendicular to a conveying direction X on an upper surface of a drying table by conveying the ceramic formed bodies between electrodes of an upper electrode and a lower electrode, and applying a high frequency between the electrodes.
Yoshimasa FUMA, Yuichi TAJIMA, Yoshimasa KONDO, Kensuke OKUMURA
Filed: 28 Jun 21
Utility
Package, and Method for Manufacturing Power Semiconductor Module
10 Mar 22
A first frame is supported by a heat sink plate, surrounds an unmounted region of the heat sink plate, contains a resin, and has a first surface.
Yoshio TSUKIYAMA, Akiyoshi OSAKADA, Teppei YAMAGUCHI
Filed: 19 Nov 21