公开(公告)号：US11655159B2

公开(公告)日：2023-05-23

申请号：US17071474

申请日：2020-10-15

申请人： TDK CORPORATION

发明人： Toshio Asahi ,  Masamitsu Haemori ,  Hitoshi Saita

IPC分类号： C04B35/465 ,  C04B35/47 ,  H01G4/10 ,  H01G4/12 ,  C01G23/00 ,  C23C16/40 ,  C23C16/06 ,  C23C16/56 ,  H01G4/33 ,  H05K1/18

CPC分类号： C01G23/006 ,  C23C16/06 ,  C23C16/409 ,  C23C16/56 ,  H01G4/10 ,  H01G4/33 ,  H05K1/185 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2006/40 ,  H05K2201/10015

摘要： A dielectric film includes a main component of a complex oxide represented by a general formula of (Sr1-xCax)yTiO3. 0.40≤x≤0.90 and 0.90≤y≤1.10 are satisfied. A ratio of a diffraction peak intensity on (1, 1, 2) plane of the complex oxide to a diffraction peak intensity on (0, 0, 4) plane of the complex oxide in an X-ray diffraction chart of the dielectric film is 3.00 or more. Instead, a ratio of an intensity of a diffraction peak appearing at a diffraction angle 2θ of 32° or more and 34° or less to an intensity of a diffraction peak appearing at a diffraction angle 2θ of 46° or more and 48° or less in an X-ray diffraction chart of the dielectric film obtained by an X-ray diffraction measurement with Cu-Kα ray as an X-ray source is 3.00 or more.

公开(公告)号：US11639313B2

公开(公告)日：2023-05-02

申请号：US17551633

申请日：2021-12-15

申请人： TDK CORPORATION

发明人： Dan Sakurai ,  Yasuhiro Ito ,  Nobuto Morigasaki ,  Toshihiko Kaneko ,  Toshihiro Iguchi

IPC分类号： C04B35/47 ,  H01B3/12

摘要： A dielectric ceramic composition contains dielectric particles containing a main component represented by a composition formula (Ba1-x-ySrxCay)m(Ti1-zZrz)O3 and grain boundaries present between the dielectric particles. The values of m, x, y, and z in the composition formula are all molar ratios. In the composition formula, 0.9≤m≤1.4, 0≤x

公开(公告)号：US11358904B2

公开(公告)日：2022-06-14

申请号：US15908193

申请日：2018-02-28

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Jong Wook Roh ,  Daejin Yang ,  Doh Won Jung ,  Chan Kwak ,  Hyungjun Kim

IPC分类号： C04B35/491 ,  C04B35/468 ,  C04B35/47 ,  C04B35/472 ,  H01G4/10 ,  C01G41/00 ,  C01G41/02 ,  C01G29/00 ,  C01G35/00 ,  C07C211/63 ,  C07C211/01 ,  H01C7/115 ,  C04B35/475 ,  H01G4/12 ,  C04B35/495 ,  H01C7/00

摘要： A dielectric material, a method of manufacturing thereof, and a dielectric device and an electronic device including the same. A dielectric material includes a layered metal oxide including a first layer having a positive charge and a second layer having a negative charge which are laminated, a monolayer nanosheet exfoliated from the layered metal oxide, a nanosheet laminate of the monolayer nanosheets, or a combination thereof, wherein the dielectric material includes a two-dimensional layered material having a two-dimensional crystal structure and the two-dimensional layered material is represented by Chemical Formula 1.

公开(公告)号：US11292747B2

公开(公告)日：2022-04-05

申请号：US16831631

申请日：2020-03-26

申请人： SHANGHAI INSTITUTE OF CERAMICS, CHINESE ACADEMY OF SCIENCES

发明人： Ying Chen ,  Xianlin Dong ,  Xin Li ,  Feng Jiang ,  Yongjian Wang

IPC分类号： C04B35/468 ,  C04B35/47 ,  C04B35/64 ,  C04B35/634 ,  C04B35/626

摘要： The present application relates to a barium strontium titanate-based dielectric ceramic material, a preparation method, and application thereof. The composition of the barium strontium titanate-based dielectric ceramic material comprises: aBaTiO3+bSrTiO3+cTiO2+dBi2O3+eMgO+fAl2O3+gCaO+hSiO2, wherein a, b, c, d, e, f, g, and h are the molar percentage of each component, 20≤a≤50 mol %, 15≤b≤30 mol %, 10≤c≤20 mol %, 0≤d≤10 mol %, 0≤e≤35 mol %, 0≤f≤6 mol %, 0≤g≤6 mol %, 0≤h≤1 mol %, and a+b+c+d+e+f+g+h=100 mol %.

公开(公告)号：US11072564B2

公开(公告)日：2021-07-27

申请号：US16511286

申请日：2019-07-15

申请人： TDK CORPORATION

发明人： Takuma Ariizumi ,  Toshihiko Kaneko ,  Nobuto Morigasaki ,  Yasuhiro Ito

IPC分类号： C04B35/47 ,  C04B35/468 ,  C04B35/49 ,  H01G4/12 ,  H01G4/005 ,  C04B35/628 ,  H01G4/30 ,  C04B111/94 ,  C04B111/00

摘要： A dielectric ceramic composition having improved insulation specific resistance and a highly accelerated lifetime. The dielectric ceramic composition includes a dielectric particle having a core-shell structure including a main component expressed by a general formula ABO3, where A is Ba and the like, and B is Ti and the like), and a rare earth element component R, in which a shell part of the core-shell structure has an average rare earth element concentration C of 0.3 atom % or more. The rare earth element has a specified concentration gradient or concentration variation.

公开(公告)号：US10759705B2

公开(公告)日：2020-09-01

申请号：US16358041

申请日：2019-03-19

申请人： TDK CORPORATION

发明人： Liu Hailong ,  Liang Liping ,  Daisuke Ohtsu

IPC分类号： C04B35/468 ,  C04B35/47 ,  C04B35/475 ,  H01G4/12 ,  C04B35/626 ,  C04B35/634 ,  C04B35/64 ,  H01G4/008

摘要： A dielectric composition has barium, strontium, and bismuth calcium titanates constituting a main component and subcomponent. “a” mol % represents a content of barium titanate in terms of BaTiO3, “b” mol % strontium titanate in terms of SrTiO3, and “c” mol % bismuth calcium titanate in terms of CaBi4Ti4O15 in the main component composition. a+b+c=100 is satisfied, 50≤a≤83, 12≤b≤49.5, 0.5≤c≤5. The dielectric composition includes a first subcomponent constituted by at least one compound including one of manganese, iron, and chromium. The first subcomponent is included in a ratio of 0.2 wt % or more and 3 wt % or less in terms of total of MnCO3, Fe2O3, and Cr2O3 with respect to 100 wt % of the main component. The dielectric composition includes a second subcomponent compound including niobium, included in a ratio of 0.1 wt % or more and 3 wt % or less in terms of Nb2O5 with respect to 100 wt % of the main component.

公开(公告)号：US20190279818A1

公开(公告)日：2019-09-12

申请号：US16295590

申请日：2019-03-07

申请人： TDK CORPORATION

发明人： Shirou OOTSUKI ,  Masahito FURUKAWA ,  Satoshi WADA ,  Shintaro UENO ,  Yuya HATTORI

IPC分类号： H01G4/12 ,  H01G4/30 ,  B28B11/24 ,  C23C14/18 ,  C04B35/01 ,  C04B35/117 ,  C04B35/495 ,  C04B35/47 ,  C04B35/468 ,  C04B35/457 ,  C04B35/475 ,  C04B35/634 ,  C04B35/638 ,  C04B35/64

摘要： A composite structure including a conductor region that is configured from a first oxide, and an insulator region that is configured from a second oxide and that surrounds the conductor region, wherein the first oxide and the second oxide are in hetero structure with each other. A powder and a fired body each having such a composite structure are also preferable.

公开(公告)号：US20180179078A1

公开(公告)日：2018-06-28

申请号：US15856662

申请日：2017-12-28

申请人： TDK CORPORATION ,  TDK XIAMEN CO., LTD.

发明人： Guibin GE ,  RuiLun ZHANG ,  Fan ZHANG ,  Jintao HUANG ,  Kazuya MUTO ,  Daisuke OHTSU ,  Kakeru WATANABE

IPC分类号： C01G23/00 ,  C01G29/00 ,  C04B35/468 ,  C04B35/47 ,  C04B35/475 ,  H01G4/12 ,  H01G4/33 ,  H01B3/12

CPC分类号： C01G23/006 ,  C01G29/006 ,  C01P2002/34 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/47 ,  C04B35/475 ,  C04B35/62685 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3277 ,  C04B2235/3284 ,  C04B2235/3293 ,  C04B2235/3298 ,  C04B2235/442 ,  C04B2235/768 ,  H01B3/12 ,  H01G4/10 ,  H01G4/1227 ,  H01G4/33

摘要： The present invention relates to the dielectric composition including barium titanate, strontium titanate, titanium oxide and bismuth oxide. In case when the content of barium titanate, converted to BaTiO3, is a mol %, the content of strontium titanate, converted to SrTiO3, is b mol %, the content of titanium oxide and bismuth oxide, converted to Bi2Ti3O9, is c mol %, and a+b+c=100, a, b and c are values within a scope surrounded by the following four points, i.e. point A, point B, point C and point D in a three-dimensional phase diagram. Point A: (a, b, c)=(52.1, 40.0, 7.9); point B: (a, b, c)=(86.5, 5.6, 7.9); point C: (a, b, c)=(91.0, 5.6, 3.4); point D: (a, b, c)=(56.6, 40.0, 3.4).

公开(公告)号：US09881732B2

公开(公告)日：2018-01-30

申请号：US13560259

申请日：2012-07-27

申请人： Kalaga Murali Krishna ,  Lohit Matani

发明人： Kalaga Murali Krishna ,  Lohit Matani

IPC分类号： H01F38/14 ,  H01Q7/00 ,  C04B35/20 ,  C04B35/46 ,  C04B35/465 ,  C04B35/47

CPC分类号： H01F38/14 ,  C04B35/20 ,  C04B35/46 ,  C04B35/465 ,  C04B35/47 ,  C04B2235/3206 ,  C04B2235/3213 ,  C04B2235/3232 ,  C04B2235/3234 ,  C04B2235/3236 ,  C04B2235/3239 ,  C04B2235/3281 ,  C04B2235/3298 ,  C04B2235/3445 ,  C04B2235/80 ,  C04B2235/85 ,  H01B3/12 ,  H01Q7/00 ,  H02J5/005 ,  H02J50/12 ,  H02J50/50

摘要： A contactless power transfer system is proposed. The power transfer system comprises a field-focusing element comprising a dielectric material. The dielectric material includes an oxide material including (Mg1-xSrx)yTiO(2+y), wherein x can vary between the value of zero and 1 such that 0≦x≦1, and y can be 0, 1, or 2. A power transfer system further including a first coil coupled to a power source and a second coil coupled to a load is disclosed. In this system, the field-focusing element including the dielectric material is disposed between the first coil and the second coil.

公开(公告)号：US09701586B2

公开(公告)日：2017-07-11

申请号：US15064756

申请日：2016-03-09

申请人： Yageo Corporation

发明人： Masayuki Fujimoto

IPC分类号： B05D7/00 ,  C04B35/628 ,  C04B35/58 ,  C04B35/462 ,  C04B35/468 ,  C04B35/47 ,  C04B35/626 ,  C04B35/638 ,  C01G23/00 ,  C01B21/076

CPC分类号： C04B35/62821 ,  C01B21/076 ,  C01G23/005 ,  C01G23/006 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/04 ,  C01P2004/80 ,  C04B35/462 ,  C04B35/4682 ,  C04B35/47 ,  C04B35/58014 ,  C04B35/6268 ,  C04B35/638 ,  C04B2235/3203 ,  C04B2235/3236 ,  C04B2235/3418 ,  C04B2235/3886 ,  C04B2235/6582 ,  C04B2235/6584 ,  C04B2235/761 ,  C04B2235/765 ,  C04B2235/80

摘要： A titanium compound-containing core-shell powder includes a plurality of core-shell particles, each of which includes a core body and a shell layer encapsulating said core body. The core body is electrically conductive. The shell layer includes a crystal that is selected from titanate oxides having a perovskite structure and titanate oxides having a spinel structure. The core body and the shell layer are chemically bonded to each other.