公开(公告)号：US20160099087A1

公开(公告)日：2016-04-07

申请号：US14966598

申请日：2015-12-11

Applicant: DOWA Electronics Materials Co., Ltd.

Inventor： Keiichi ENDOH ,  Yutaka HISAEDA ,  Akihiro MIYAZAWA ,  Aiko NAGAHARA ,  Toshihiko UEYAMA

IPC: H01B1/02 ,  B23K35/30 ,  B23K35/02 ,  H01L23/00 ,  B23K1/00

CPC classification number: H01L24/83 ,  B22F1/0014 ,  B22F1/0018 ,  B22F1/0062 ,  B22F7/064 ,  B22F9/24 ,  B22F2301/255 ,  B22F2303/01 ,  B22F2304/054 ,  B22F2304/056 ,  B22F2999/00 ,  B23K1/0008 ,  B23K1/0016 ,  B23K1/20 ,  B23K1/203 ,  B23K35/025 ,  B23K35/3006 ,  B23K35/36 ,  B23K35/3618 ,  B23K2101/42 ,  B82Y30/00 ,  C09J11/06 ,  C22C5/06 ,  H01B1/02 ,  H01L24/11 ,  H01L24/27 ,  H01L24/29 ,  H01L24/32 ,  H01L2224/29139 ,  H01L2224/29339 ,  H01L2224/2949 ,  H01L2224/32145 ,  H01L2224/32221 ,  H01L2224/83011 ,  H01L2224/83048 ,  H01L2224/83075 ,  H01L2224/83801 ,  H01L2224/8384 ,  H01L2924/00 ,  H01L2924/0002 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01023 ,  H01L2924/01024 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01047 ,  H01L2924/0105 ,  H01L2924/01074 ,  H01L2924/014 ,  H01L2924/0665 ,  H01L2924/12042 ,  H01L2924/1301 ,  H01L2924/13033 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/15747 ,  H01L2924/20106 ,  H01L2924/20107 ,  H01L2924/20108 ,  H01L2924/20109 ,  H01L2924/2011 ,  H01L2924/20111 ,  H01L2924/203 ,  H05K3/32 ,  H05K3/3489 ,  H05K2201/0257 ,  H05K2203/086 ,  H05K2203/1131 ,  H01L2224/2919 ,  H01L2924/3512

Abstract: A bonded product is obtained by applying a silver paste containing silver nanoparticles having an average primary particle diameter of 1 to 200 nm, and performing firing. A diameter of a crystallite of the bonded product on a (111) plane of Ag when heated at 250° C. for 10 minutes in an inert atmosphere is 65 nm or larger.

Abstract translation: 通过涂布含有平均一次粒径为1〜200nm的银纳米粒子的银膏，进行烧成，得到粘合体。 在惰性气氛中在250℃加热10分钟时，Ag的（111）面上的结合产物的微晶直径为65nm以上。

公开(公告)号：US20240266552A1

公开(公告)日：2024-08-08

申请号：US18681170

申请日：2022-09-06

Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Toshihiko UEYAMA ,  Kazumasa IKARI ,  Shintaro OGAWA

IPC: H01M4/90 ,  H01M12/06

CPC classification number: H01M4/9033 ,  H01M12/06 ,  H01M2300/0065

Abstract: In a perovskite-type composite oxide powder according to the present invention, the geometric standard deviation value of the maximum Feret diameter of the perovskite-type composite oxide powder calculated by performing image analysis on an SEM image acquired with a scanning electron microscope is equal to or greater than 1.01 and less than 1.60, and when it is assumed that the perovskite-type composite oxide powder is spherical, the ratio (B/A) of an area value B directly calculated by the image analysis to an area value A calculated from the maximum Feret diameter is equal to or greater than 0.7 and less than 1.0. In this way, the perovskite-type composite oxide powder is used as the air electrode material of an SOFC, and thus high conductivity as compared with a conventional air electrode material is obtained.

公开(公告)号：US20190097216A1

公开(公告)日：2019-03-28

申请号：US16082794

申请日：2017-03-09

Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Yoshiaki AIKI ,  Toshihiko UEYAMA ,  Koji TANOUE

IPC: H01M4/36 ,  C01G33/00 ,  C01G51/00 ,  H01M10/0525 ,  H01M4/131 ,  H01M4/485 ,  H01M4/1391

Abstract: There is provided a solution containing lithium and at least one of a niobium complex and a titanium complex, suppresses corrosiveness, excellent in storage stability, and suitable for forming a coating layer capable of improving battery characteristics of an active material, and a related technique, which is the solution containing lithium, at least one of a niobium complex and a titanium complex, and ammonia, wherein an amount of the ammonia in the solution is 1 mass % or less.

公开(公告)号：US20190035521A1

公开(公告)日：2019-01-31

申请号：US16070902

申请日：2017-01-19

Applicant: THE UNIVERSITY OF TOKYO ,  DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Shin-ichi OHKOSHI ,  Hiroko TOKORO ,  Kenji MASADA ,  Toshihiko UEYAMA

IPC: H01F1/11 ,  G03G9/083 ,  C01G49/06

Abstract: There is provided a magnetic substance containing substituted ε-iron oxide particles applicable as a magnetic toner of one-component development system, and a technique related thereto, which is the magnetic substance containing substituted ε-iron oxide particles in which a part of ε-iron oxide is substituted with a metal element other than iron, and satisfying at least one of the following conditions: (Condition 1) A molar extinction coefficient of a magnetic substance dispersion liquid at a wavelength of 450 nm is less than 770 dm3 mol−1 cm−1. (Condition 2) A molar extinction coefficient of the magnetic substance dispersion liquid at a wavelength of 500 nm is less than 430 dm3 mol−1 cm−1.

公开(公告)号：US20180218814A1

公开(公告)日：2018-08-02

申请号：US15578411

申请日：2016-06-01

Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Takayuki YOSHIDA ,  Masahiro GOTOH ,  Toshihiko UEYAMA ,  Takuyuki BABA ,  Toru SUZUKI ,  Koji TANAKA

IPC: H01F1/20 ,  C08K3/08 ,  C08K9/04 ,  C08K3/40 ,  C08K7/14

CPC classification number: H01F1/20 ,  C08K3/08 ,  C08K3/40 ,  C08K7/14 ,  C08K9/04 ,  C08K2003/0843 ,  C08K2003/0856 ,  C08K2201/006 ,  C08K2201/01 ,  C08L81/02 ,  H01F1/26

Abstract: An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.

公开(公告)号：US20180151279A1

公开(公告)日：2018-05-31

申请号：US15578471

申请日：2016-06-01

Applicant: DOWA ELECTRONICS MATERIALS CO., LTD.

Inventor： Toshihiko UEYAMA ,  Masahiro GOTOH ,  Takayuki YOSHIDA ,  Takuyuki BABA

IPC: H01F1/26 ,  B22F1/00

CPC classification number: H01F1/26 ,  B22F1/0059 ,  B22F1/02 ,  B22F2001/0066 ,  B22F2998/10 ,  B22F2999/00 ,  C22C2202/02 ,  B22F3/1017 ,  B22F3/02 ,  B22F5/10

Abstract: A magnetic compound having a small dielectric loss and an antenna constituted by the magnetic compound and an electronic device incorporating the antenna are provided by a metal magnetic powder which is well dispersed in a resin having small dielectric loss, and a magnetic powder composite including: a metal magnetic powder; and one or more elements selected from carboxylic acid or its anhydride, aromatic carboxylic acid ester, and a derivative thereof, having a property that real part μ′ permeability is 1.45 or more, tan δμ is 0.1 or less, tan δε is 0.05 or less at a measuring frequency of 2 GHz, when a magnetic powder composite is prepared by adding 5 parts by mass of one or more elements selected from the carboxylic acid or its anhydride, the aromatic carboxylic acid ester, and the derivative thereof to 100 parts by mass of the metal magnetic powder.