公开(公告)号：US20190267195A1

公开(公告)日：2019-08-29

申请号：US16409032

申请日：2019-05-10

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Daisuke Obara ,  Takeo Arakawa ,  Takeshi Furukawa ,  Yuji Yokoyama ,  Yoshihiro Fujita ,  Masahiro Matsuo ,  Hideo Ito

IPC: H01G9/15 ,  H01G9/025 ,  H01G9/008 ,  H01G9/04

Abstract: A solid electrolytic capacitor element that includes a porous body, a dielectric layer on a surface of the porous body, and a solid electrolyte layer on a surface of the dielectric layer. The porous body is made from a sintered body of a Ti-alloy-containing grain having a Ti—Zr—X multicomponent alloy on a surface thereof, where X is at least one valve metal element selected from Si, Hf, Y, Al, Mo, W, Ta, Nb, and V, and a composition of the Ti—Zr—X multicomponent alloy is Ti: 50 atm % to 80 atm %, Zr: 8 atm % to 32 atm %, and X: 1 atm % to 20 atm %.

公开(公告)号：US11594353B2

公开(公告)日：2023-02-28

申请号：US16505287

申请日：2019-07-08

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  Murata Manufacturing Co., Ltd.

Inventor： Kenta Takagi ,  Wataru Yamaguchi ,  Takaaki Yokoyama ,  Kenji Sakaguchi ,  Kazuhiro Yoshii ,  Yuji Yokoyama

IPC: H01F1/059 ,  B22F3/14 ,  H01F1/053 ,  B22F1/17 ,  B22F9/04 ,  H01F1/06

Abstract: A sintered magnet contains Sm—Fe—N-based crystal grains and has high coercivity; and a magnetic powder is capable of forming a sintered magnet without lowering the coercivity even if heat is generated in association with the sintering. A sintered magnet comprises a crystal phase composed of a plurality of Sm—Fe—N-based crystal grains and a nonmagnetic metal phase present between the Sm—Fe—N crystal grains adjacent to each other, wherein a ratio of Fe peak intensity IFe to SmFeN peak intensity ISmFeN measured by an X-ray diffraction method is 0.2 or less. A magnetic powder comprises Sm—Fe—N-based crystal particles and a nonmagnetic metal layer covering surfaces of the Sm—Fe—N crystal particles.

公开(公告)号：US10998139B2

公开(公告)日：2021-05-04

申请号：US16409032

申请日：2019-05-10

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Daisuke Obara ,  Takeo Arakawa ,  Takeshi Furukawa ,  Yuji Yokoyama ,  Yoshihiro Fujita ,  Masahiro Matsuo ,  Hideo Ito

IPC: H01G9/15 ,  H01G9/052 ,  H01G9/00

Abstract: A solid electrolytic capacitor element that includes a porous body, a dielectric layer on a surface of the porous body, and a solid electrolyte layer on a surface of the dielectric layer. The porous body is made from a sintered body of a Ti-alloy-containing grain having a Ti—Zr—X multicomponent alloy on a surface thereof, where X is at least one valve metal element selected from Si, Hf, Y, Al, Mo, W, Ta, Nb, and V, and a composition of the Ti—Zr—X multicomponent alloy is Ti: 50 atm % to 80 atm %, Zr: 8 atm % to 32 atm %, and X: 1 atm % to 20 atm %.

公开(公告)号：US20200002590A1

公开(公告)日：2020-01-02

申请号：US16534278

申请日：2019-08-07

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Kou Tanaka ,  Yuji Yokoyama ,  Mitsugu Takada ,  Ryo Teraura ,  Mitsunari Imasaka ,  Noboru Tanida ,  Toshihiko Yamada ,  Yoshihiro Iwasaki

IPC: C09K5/14 ,  C09C1/00 ,  C08K9/02 ,  C08K3/22 ,  C08J5/18 ,  F28D20/02

Abstract: A heat storage particle that includes a ceramic particle containing a vanadium oxide as a main component thereof, and a metal film covering the ceramic particle.