公开(公告)号：US12237824B2

公开(公告)日：2025-02-25

申请号：US17545507

申请日：2021-12-08

Applicant: NGK INSULATORS, LTD.

Inventor： Yuji Hori ,  Takahiro Yamadera

IPC: H03H9/02 ,  H03H3/10 ,  H10N30/072

Abstract: A composite substrate includes a supporting substrate composed of quartz, a piezoelectric material substrate composed of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate; and an interface layer along a bonding interface between the supporting substrate and the piezoelectric material substrate. The interface layer has amorphous structure and contains constituent components including silicon, oxygen and at least one of tantalum and niobium. The interface layer has concentrations of hydrogen atoms, nitrogen atoms and fluorine atoms of 1×1018 atoms/cm3 or higher and 5×1021 atoms/cm3 or lower, respectively.

公开(公告)号：US12222314B2

公开(公告)日：2025-02-11

申请号：US17577426

申请日：2022-01-18

Applicant: NGK Insulators, Ltd.

Inventor： Takayuki Sekiya ,  Yusuke Watanabe ,  Shiho Iwai

IPC: G01N27/41 ,  G01N27/406 ,  G01N27/407 ,  G01N27/409 ,  G01N27/417 ,  G01N33/00

Abstract: A sensor element includes: a base part containing an oxygen-ion conductive solid electrolyte as a constituent material; at least one internal space into which a measurement gas is introduced; and at least one pump cell including an internal electrode disposed to face the internal space, an out-of-space pump electrode disposed at a location other than the internal space, and a portion of the base part located between these electrodes, the internal electrode includes a noble metal, the solid electrolyte, and a pore, and, in the internal electrode, a degree of variation of a boundary of a first region formed of the base part or the solid electrolyte contiguous with the base part and a second region occupied by the noble metal and the pore in a thickness direction of the element is 0.5 μm or more and 6.5 μm or less.

公开(公告)号：US12222313B2

公开(公告)日：2025-02-11

申请号：US17577423

申请日：2022-01-18

Applicant: NGK Insulators, Ltd.

Inventor： Takayuki Sekiya ,  Yusuke Watanabe ,  Shiho Iwai

IPC: G01N27/41 ,  G01N27/406 ,  G01N27/407 ,  G01N27/409 ,  G01N27/417 ,  G01N33/00

Abstract: A sensor element includes a base part containing a solid electrolyte as a constituent material; at least one internal space into which a measurement gas is introduced; and at least one pump cell including an internal space electrode disposed to face the internal space, an out-of-space pump electrode disposed at a location other than the internal space, and a portion of the base part located between these electrodes, the internal space electrode includes a noble metal, the solid electrolyte, and a pore, and, in the internal space electrode, a ratio of a length of a boundary of a first region formed of the base part or the solid electrolyte contiguous with the base part and a second region occupied by the noble metal and the pore to a length of a boundary of the solid electrolyte and the internal space electrode is 1.1 or more.

公开(公告)号：US12211726B2

公开(公告)日：2025-01-28

申请号：US18170129

申请日：2023-02-16

Applicant: NGK Insulators, Ltd.

Inventor： Seiya Inoue ,  Tatsuya Kuno ,  Natsuki Hirata ,  Kenji Yonemoto

IPC: H01L21/683 ,  H01J37/32

Abstract: A member for a semiconductor manufacturing apparatus, includes: a ceramic plate that has a ceramic plate through hole; an electroconductive base plate that has a base plate through hole and that is disposed on a lower surface side of the ceramic plate; an insulating sleeve which is inserted into the base plate through hole and of which an outer peripheral surface is adhered to an inner peripheral surface of the base plate through hole via an adhesion layer; and a sleeve through hole that passes through the insulating sleeve in the up-down direction and that communicates with the ceramic plate through hole. The insulating sleeve has a tool engaging portion that is engageable with an external tool, and upon being engaged with the external tool, the tool engaging portion transmits rotation torque of the external tool to the insulating sleeve.

公开(公告)号：US12202776B2

公开(公告)日：2025-01-21

申请号：US17305191

申请日：2021-07-01

Applicant: NGK Insulators, Ltd.

Inventor： Hiroaki Suzuki

IPC: C04B41/50 ,  B01D46/00 ,  B01D46/24 ,  B01D53/94 ,  B01J33/00 ,  B01J35/56 ,  B01J37/02 ,  C04B38/00 ,  C04B41/00 ,  C04B41/45 ,  C04B41/87

Abstract: A honeycomb structure includes a pillar-shaped honeycomb structure body having a porous partition wall so as to surround a plurality of cells extending from a first end face to a second end face, and a circumferential coating layer composed of a circumferential coating material coated on at least a part of circumference of the honeycomb structure body, wherein the circumferential coating layer has a printing area for printing on the surface thereof, the printing area has a lightness (L*) in L*a*b* color space (CIE1976) defined by International Commission on Illumination (CIE) of 35 or more, and the printing area has a surface roughness Ra of 30 μm or less.

公开(公告)号：US20250023551A1

公开(公告)日：2025-01-16

申请号：US18899612

申请日：2024-09-27

Applicant: NGK INSULATORS, LTD.

Inventor： Yuki ITO ,  Taishi TAKAHASHI

IPC: H03H9/25 ,  H03H9/02

Abstract: A bonded body has a supporting substrate and a piezoelectric material layer bonded with the supporting substrate. The piezoelectric material layer has a first main surface bonded with the supporting substrate and a second main surface on the opposite side of the first main surface. The piezoelectric material layer has an argon atom-containing layer exposed at the second main surface.

公开(公告)号：US20250018690A1

公开(公告)日：2025-01-16

申请号：US18897101

申请日：2024-09-26

Applicant: NGK INSULATORS, LTD.

Inventor： Tomoki NAGAE ,  Takahiro YAMADERA ,  Kota OZEKI ,  Hirotomo TAKAHAMA

IPC: B32B18/00

Abstract: A joined body includes: a first plate; a second plate of a same type as or a different type from a type of the first plate; an amorphous layer existing at a joint interface between the first plate and the second plate; a first plate alteration layer existing on a side of the first plate in contact with the amorphous layer; and a second plate alteration layer existing on a side of the second plate in contact with the amorphous layer.

公开(公告)号：US12198965B2

公开(公告)日：2025-01-14

申请号：US16822579

申请日：2020-03-18

Applicant: NGK INSULATORS, LTD.

Inventor： Kazuhiro Nobori ,  Takuji Kimura

IPC: H01L21/683 ,  B28B1/14 ,  B28B7/16 ,  B28B11/24 ,  C23C16/458 ,  H01J37/32 ,  H01L21/67

Abstract: A member for a semiconductor manufacturing apparatus includes a ceramic disc incorporating an electrode and a ceramic cylindrical shaft supporting the disc. The disc and the shaft are integrally formed and mutually have no bonding interface. The disc has a surface with which the shaft is integrated. The surface has a region inside the shaft and a region outside the shaft. The region inside the shaft is recessed by one step with respect to the region outside the shaft and has an electrode exposure hole through which the electrode is exposed.

公开(公告)号：US12198949B2

公开(公告)日：2025-01-14

申请号：US17303546

申请日：2021-06-02

Applicant: NGK INSULATORS, LTD.

Inventor： Ryohei Matsushita

IPC: H01L21/67 ,  G01K1/143 ,  H05B3/14 ,  H05B3/22 ,  G01K7/02

Abstract: A thermocouple guide includes a first tube portion of a straight shape, and a second tube portion connected to the first tube portion and including a curved section that is formed to turn an extension direction from the first tube portion. An outer diameter of at least a tip-side part of the curved section, the tip-side part extending from a tip end of the curved section through a predetermined length, is smaller than an outer diameter of the first tube portion.

公开(公告)号：US20250015339A1

公开(公告)日：2025-01-09

申请号：US18890945

申请日：2024-09-20

Applicant: NGK INSULATORS, LTD.

Inventor： Junki MATSUYA

IPC: H01M10/054 ,  H01M4/02 ,  H01M4/131 ,  H01M4/48 ,  H01M50/431 ,  H01M50/491 ,  H01M50/497 ,  H01M50/536 ,  H01M50/54

Abstract: Provided is a zinc secondary battery including a positive electrode plate including a positive electrode active material layer and a positive electrode current collector; a positive electrode tab lead extending from an end of the positive electrode plate; a negative electrode plate including a negative electrode active material layer and a negative electrode current collector; a negative electrode tab lead extending from an end of the negative electrode plate; a hydroxide ion conductive separator; and an electrolytic solution. The electrode plates, the electrode tab leads, and the hydroxide ion conductive separator are vertically arranged respectively. The electrode plate has, along an upper end of the electrode plate, an uncoated region free from the electrode active material layer, and the electrode tab lead is weld-bonded to the current collector in the uncoated region, and an insulating tape is attached to the uncoated region to cover the weld-bonded portion.