公开(公告)号：US20230059734A1

公开(公告)日：2023-02-23

申请号：US17587499

申请日：2022-01-28

Applicant: SHOWA DENKO K.K.

Inventor： Sho TONEGAWA ,  Akira SAKAWAKI ,  Daizo ENDO ,  Kota HASEGAWA

IPC: H03H9/17 ,  H01L41/047 ,  H03H9/02

Abstract: A piezoelectric film including a piezoelectric body configured to extract radio waves of a required frequency by resonance is provided. The piezoelectric body is based on either of ScAlN or AlN, and an X-ray rocking curve full-width at half-maximum (FWHM) of the piezoelectric body in a lattice plane with a Miller index of (11-20) is not more than 10°.

公开(公告)号：US20230009139A1

公开(公告)日：2023-01-12

申请号：US17784889

申请日：2020-11-17

Applicant: SHOWA DENKO K.K.

Inventor： Daizo ENDO ,  Tatsunori SHINO ,  Akira SAKAWAKI ,  Sho TONEGAWA ,  Yasumasa WATANABE

IPC: G01R33/06

Abstract: A magnetic sensor includes: plural sensitive elements 31 each including a soft magnetic material layer 105 having a longitudinal direction and a transverse direction and a conductor layer having higher conductivity than the soft magnetic material layer 105 and extending through the soft magnetic material layer 105 in a longitudinal direction, the sensitive element 31 having uniaxial magnetic anisotropy in a direction intersecting the longitudinal direction and being configured to sense a magnetic field by a magnetic impedance effect; and a connecting portion 32 continuous with the conductor layer of the sensitive element and configured to connect transversely adjacent sensitive elements 31 in series.

公开(公告)号：US20220206087A1

公开(公告)日：2022-06-30

申请号：US17526159

申请日：2021-11-15

Applicant: SHOWA DENKO K.K.

Inventor： Daizo ENDO ,  Akira SAKAWAKI

IPC: G01R33/06

Abstract: It is aimed at improving sensitivity of a magnetic sensor using the magnetic impedance effect. A magnetic sensor includes: a non-magnetic substrate; and a sensitive element including a soft magnetic material layer composed of an amorphous alloy with an initial magnetic permeability of 5,000 or more, the soft magnetic material layer being provided on the substrate, having a longitudinal direction and a short direction, being provided with uniaxial magnetic anisotropy in a direction crossing the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect.

公开(公告)号：US20200083558A1

公开(公告)日：2020-03-12

申请号：US16469004

申请日：2017-11-01

Applicant: SHOWA DENKO K.K. ,  SHOWA DENKO PACKAGING CO., LTD.

Inventor： Akira SAKAWAKI ,  Takaki YASUDA ,  Koji MINAMITANI

IPC: H01M10/0525 ,  H01M10/0562 ,  H01M2/26 ,  H01M10/44

Abstract: A lithium-ion rechargeable battery (1) includes a battery part (100) which performs charging and discharging using lithium ions, and a shell (30) for housing the battery part (100) in the interior thereof. The battery part (100) is configured by laminating: a first battery part (10) formed by laminating a first positive electrode layer (11), a first solid electrolyte layer (12), a first negative electrode layer (13) and a first negative electrode collector layer (14); and a second battery part (20) formed by laminating a second positive electrode layer (21), a second solid electrolyte layer (22), a second negative electrode layer (23) and a second negative electrode collector layer (24). In the shell (30), the first battery part (10) and the second battery part (20) are connected in series.

公开(公告)号：US20200165719A1

公开(公告)日：2020-05-28

申请号：US16604839

申请日：2018-04-11

Applicant: SHOWA DENKO K.K.

Inventor： Takaki YASUDA ,  Akira SAKAWAKI

IPC: C23C14/34 ,  H01M4/139 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/44

Abstract: The sputtering target 100 used in forming a positive electrode layer of a lithium-ion rechargeable battery is made of a sintered body including first particles 110 and second particles 120, the first particles 110 each containing lithium phosphorus oxide (e.g., Li3PO4) as an inorganic solid electrolyte, the second particles 120 each containing lithium transition metal oxide (e.g., LiNiO2) as a positive electrode active material.

公开(公告)号：US20190273225A1

公开(公告)日：2019-09-05

申请号：US16461067

申请日：2017-10-11

Applicant: SHOWA DENKO K.K. ,  SHOWA DENKO PACKAGING CO., LTD.

Inventor： Akira SAKAWAKI ,  Takaki YASUDA ,  Koji MINAMITANI

IPC: H01M2/08 ,  H01M2/02 ,  H01M10/0585 ,  H01M10/04 ,  H01M10/0562

Abstract: A lithium-ion rechargeable battery 1 includes a battery part 10 which performs charging and discharging using lithium ions, and a shell 30 for housing the battery part 10 in the interior thereof. The shell 30 is constituted by thermally adhering a first laminated film 31 which includes a first metal layer 313 and a first thermo-adhesive resin layer 315, a second laminated film 32 which includes a second metal layer 323 and a second thermo-adhesive resin layer 325 by thermally adhering the first thermo-adhesive resin layer 315 and the second thermo-adhesive resin layer 325. Moreover, the positive electrode side of the battery part 10 is electrically connected to the first metal layer 313 of the first laminated film 31, and the negative electrode side of the battery part 10 is electrically connected to the second metal layer 323 of the second laminated film 32.

公开(公告)号：US20130188278A1

公开(公告)日：2013-07-25

申请号：US13742657

申请日：2013-01-16

Applicant: SHOWA DENKO K.K.

Inventor： Makoto HIWATARI ,  Akira YAMANE ,  Tomoo SHIGE ,  Akira SAKAWAKI

IPC: G11B5/84

CPC classification number: G11B5/84 ,  G11B5/3116 ,  G11B5/3163 ,  G11B5/855 ,  H01L21/31116 ,  Y10T29/49046 ,  Y10T29/49048

Abstract: A method of manufacturing a magnetic recording medium is provided. The method includes: forming a magnetic layer 2 on a non-magnetic substrate 1; forming a mask layer 3 on the magnetic layer 2; forming a resist layer 4 which is patterned into a predetermined shape on the mask layer 3; patterning the mask layer 3 into a shape corresponding to the resist layer 4 using the resist layer 4; patterning the magnetic layer 2 into a shape corresponding to the mask layer 3 using the patterned mask layer 3; and removing the mask layer 3 that remains on the magnetic layer 2 by reactive plasma etching. The reactive plasma etching is performed under an atmosphere containing an organic compound having at least one kind or plural kinds of functional groups selected from a hydroxyl group, a carbonyl group, a hydroxy carbonyl group, an alkoxy group, and an ether group.

Abstract translation: 提供一种制造磁记录介质的方法。 该方法包括：在非磁性基板1上形成磁性层2; 在磁性层2上形成掩模层3; 在掩模层3上形成图案化为规定形状的抗蚀剂层4; 使用抗蚀剂层4将掩模层3图案化成与抗蚀剂层4相对应的形状; 使用图案化掩模层3将磁性层2图案化成与掩模层3相对应的形状; 以及通过反应性等离子体蚀刻去除残留在磁性层2上的掩模层3。 活性等离子体蚀刻在含有选自羟基，羰基，羟基羰基，烷氧基和醚基中的至少一种或多种官能团的有机化合物的气氛下进行。

公开(公告)号：US20210194040A1

公开(公告)日：2021-06-24

申请号：US16498606

申请日：2018-01-19

Applicant: SHOWA DENKO K.K.

Inventor： Takaki YASUDA ,  Akira SAKAWAKI ,  Tatsunori SHINO

IPC: H01M10/0525 ,  H01M10/44 ,  H01M4/36 ,  H01M4/04 ,  H01M10/0562

Abstract: A lithium-ion rechargeable battery 1 includes: a stainless-steel substrate 10; a negative electrode layer 20 that contains a negative-electrode active material and is laminated on the substrate 10; a solid electrolyte layer that contains an inorganic solid electrolyte having lithium-ion conductivity and is laminated on the negative electrode layer 20; a positive electrode layer 40 that contains a positive-electrode active material and is laminated on the solid electrolyte layer 30; and a positive electrode collector layer 50 that is composed of titanium and is laminated on the positive electrode layer 40. The boundary portion of the solid electrolyte layer 30 and the positive electrode layer 40 in the lithium-ion rechargeable battery 1 is provided with a mixture layer 70 in which the positive-electrode active material and the inorganic solid electrolyte are mixed. These increase the discharge capacity of the all-solid lithium-ion rechargeable battery.

公开(公告)号：US20210175512A1

公开(公告)日：2021-06-10

申请号：US16771719

申请日：2018-11-20

Applicant: SHOWA DENKO K.K.

Inventor： Haruaki UCHIDA ,  Akira SAKAWAKI ,  Takaki YASUDA

IPC: H01M4/66 ,  H01M4/80 ,  H01M10/0525

Abstract: A lithium-ion rechargeable battery (1) includes: a positive electrode layer (30) containing a positive electrode active material; a solid electrolyte layer (40) containing an inorganic solid electrolyte; a storage layer (50) made of porous platinum (Pt) and storing lithium; a coating layer (60) made of an amorphous metal or alloy; and a negative electrode collector layer (70) made of platinum (Pt); these layers are stacked in this order.

公开(公告)号：US20200381701A1

公开(公告)日：2020-12-03

申请号：US16770396

申请日：2018-11-26

Applicant: SHOWA DENKO K.K.

Inventor： Takaki YASUDA ,  Akira SAKAWAKI ,  Haruaki UCHIDA

IPC: H01M4/04 ,  H01M10/0525 ,  H01M10/44 ,  H01M4/38 ,  H01M10/0562 ,  H01M10/0585

Abstract: A method for manufacturing a lithium-ion rechargeable battery (1), the lithium-ion rechargeable battery including: a positive electrode layer (30) containing a positive electrode active material; a solid electrolyte layer (40) containing an inorganic solid electrolyte; a storage layer (50) made of porous platinum (Pt) and storing lithium; a coating layer (60) made of an amorphous chromium-titanium (CrTi) alloy; and a negative electrode collector layer (70) made of platinum (Pt); these layers are stacked in this order. The storage layer (50) is first composed of a dense platinum layer formed by sputtering, and then undergoes initial charge and discharge to become porous, which results in a porous part (51) and a number of pores (52) being formed. This method of manufacturing the lithium-ion rechargeable battery (1) restrains or prevents peeling inside the all-solid lithium-ion rechargeable battery.