公开(公告)号：US09748018B2

公开(公告)日：2017-08-29

申请号：US15192293

申请日：2016-06-24

Applicant: TDK CORPORATION

Inventor： Raitarou Masaoka ,  Hiroki Uchiyama ,  Shohei Fujii ,  Maiko Shirokawa

IPC: C04B35/495 ,  H01B3/10 ,  H01B3/12 ,  C01G35/00 ,  H01G4/33 ,  H01G4/12 ,  H01G4/10

CPC classification number: H01B3/10 ,  C01G35/006 ,  C01P2006/40 ,  C04B35/495 ,  C04B35/62645 ,  C04B35/62685 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/6565 ,  C04B2235/6567 ,  C23C14/08 ,  H01B3/12 ,  H01G4/10 ,  H01G4/1254 ,  H01G4/33

Abstract: A dielectric composition containing a complex oxide represented by the formula of xAO-yBO-zC2O5 as the main component, wherein A represents at least one element selected from the group including Ba, Ca and Sr, B represents Mg, and C represents at least one element selected from the group including Nb and Ta, and x, y and z meet the following conditions, x+y+z=1.000, 0.198≦x≦0.375, 0.389≦y≦0.625, and x/3≦z≦x/3+1/9.

公开(公告)号：US09745225B2

公开(公告)日：2017-08-29

申请号：US15192322

申请日：2016-06-24

Applicant: TDK CORPORATION

Inventor： Raitarou Masaoka ,  Hiroki Uchiyama ,  Shohei Fujii ,  Maiko Shirokawa

IPC: C04B35/495 ,  H01B3/10 ,  H01B3/12 ,  H01G4/33 ,  H01G4/12 ,  H01G4/10

CPC classification number: C04B35/495 ,  C01F5/00 ,  C01F11/00 ,  C01G15/006 ,  C01G33/006 ,  C01G35/006 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2006/40 ,  C04B35/62685 ,  C04B35/638 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3255 ,  C04B2235/6562 ,  C04B2235/6567 ,  H01B3/10 ,  H01B3/12 ,  H01G4/10 ,  H01G4/1254 ,  H01G4/33

Abstract: A dielectric composition containing a complex oxide represented by the formula of xAO-yBO-zC2O5 as the main component, wherein A represents at least one element selected from the group including Ba, Ca and Sr, B represents Mg, and C represents at least one element selected from the group including Nb and Ta, and x, y and z meet the following conditions, x+y+z=1.000, 0.000

公开(公告)号：US11130683B2

公开(公告)日：2021-09-28

申请号：US16489636

申请日：2018-02-23

Applicant: TDK CORPORATION

Inventor： Shohei Fujii ,  Raitarou Masaoka ,  Maiko Nakamura

IPC: C04B35/48 ,  C04B35/486 ,  H01G4/12 ,  C01G25/00 ,  C23C14/16 ,  C23C14/34 ,  H01G4/30

Abstract: A dielectric composition having a high relative dielectric constant and high Q value even at high frequencies, and an electronic component including a dielectric film configured from the dielectric composition. This dielectric composition includes the composite oxide represented by general formula (aCaO+bSrO)—ZrO2 as a main component, and by a and b satisfying the relationships a≥0, b≥0, and 1.50

公开(公告)号：US10121592B2

公开(公告)日：2018-11-06

申请号：US15459609

申请日：2017-03-15

Applicant: TDK CORPORATION

Inventor： Maiko Shirokawa ,  Raitarou Masaoka ,  Hiroki Uchiyama ,  Shohei Fujii

IPC: B32B15/04 ,  H01G4/10 ,  H01P7/10 ,  H03H1/00 ,  C23C14/08 ,  C04B35/053 ,  H01G4/33 ,  H01G4/12 ,  C23C14/34 ,  H01B3/12

Abstract: A dielectric thin film containing MgO as a main component, wherein the dielectric thin film is composed of a columnar structure group containing at least one columnar structure A constructed by single crystal and at least one columnar structure B constructed by polycrystal, respectively, and in the cross section of the direction perpendicular to the dielectric thin film, when the area occupied by the columnar structure A is set as CA and the area occupied by the columnar structure B is set as CB, the relationship between CA and CB satisfies 0.4≤CB/CA≤1.1.

公开(公告)号：US09862646B2

公开(公告)日：2018-01-09

申请号：US15278725

申请日：2016-09-28

Applicant: TDK CORPORATION

Inventor： Shohei Fujii ,  Raitarou Masaoka ,  Hiroki Uchiyama ,  Maiko Shirokawa

IPC: C04B35/01 ,  C04B35/495 ,  H01G4/08 ,  H01G4/33 ,  C04B35/057 ,  H01G4/12 ,  H01L49/02 ,  C01G33/00 ,  C01G35/00 ,  C01F11/02

CPC classification number: C04B35/057 ,  C01F11/02 ,  C01G33/006 ,  C01G35/006 ,  C01P2006/40 ,  C04B35/01 ,  C04B35/495 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3255 ,  C04B2235/6562 ,  C04B2235/6567 ,  H01G4/1254 ,  H01G4/33 ,  H01L27/11582 ,  H01L28/00 ,  H01L28/55

Abstract: A dielectric composition containing a complex oxide represented by the formula of AαBβC2γOα+β+5γ as the main component, wherein A represents Ba, B represents at least one element selected from the group consisting of Ca and Sr, C represents at least one element selected from the group consisting of Ta and Nb, and α, β and γ meet the following conditions, i.e., α+β+γ=1.000, 0.000

公开(公告)号：US11257620B2

公开(公告)日：2022-02-22

申请号：US16829137

申请日：2020-03-25

Applicant: TDK CORPORATION

Inventor： Maiko Shirokawa ,  Raitarou Masaoka ,  Shohei Fujii ,  Yusuke Oba

IPC: C04B35/495 ,  H01G4/12 ,  H01G4/10

Abstract: A dielectric film comprises a complex oxide represented by a general formula xAO-yBO-zC2O5 as a main component, wherein A is at least one selected from barium, calcium and strontium, B is at least one selected from magnesium and zinc, C is at least one selected from niobium and tantalum, x, y and z satisfy relations: x+y+z=1.000, 0.375≤x≤0.563, 0.250≤y≤0.500, and x/3≤z≤(x/3)+1/9, and in an X-ray diffraction chart of the dielectric film, a diffraction peak intensity of a (211) plane of the complex oxide or a diffraction peak intensity of a (222) plane of the complex oxide is larger than a diffraction peak intensity of a (110) plane of the complex oxide.

公开(公告)号：US10035711B2

公开(公告)日：2018-07-31

申请号：US15459306

申请日：2017-03-15

Applicant: TDK CORPORATION

Inventor： Hiroki Uchiyama ,  Raitarou Masaoka ,  Shohei Fujii ,  Maiko Shirokawa

IPC: C04B35/03 ,  C01F11/02 ,  C01F5/02 ,  C04B35/04 ,  C04B35/057 ,  C04B35/622 ,  C23C14/08 ,  C23C14/18 ,  C23C14/34 ,  H01G4/10 ,  H01G4/33 ,  C04B35/486 ,  H01G4/08 ,  H01G4/12 ,  H01L21/02 ,  H01L49/02

CPC classification number: C01F11/02 ,  C01F5/02 ,  C01P2002/74 ,  C04B35/01 ,  C04B35/03 ,  C04B35/04 ,  C04B35/057 ,  C04B35/486 ,  C04B35/62218 ,  C04B2235/3205 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3236 ,  C04B2235/3239 ,  C04B2235/3244 ,  C04B2235/3248 ,  C04B2235/3255 ,  C04B2235/3284 ,  C04B2235/762 ,  C04B2235/787 ,  C23C14/082 ,  C23C14/185 ,  C23C14/3414 ,  H01G4/085 ,  H01G4/10 ,  H01G4/1227 ,  H01G4/33 ,  H01L21/02175 ,  H01L21/02194 ,  H01L21/02266 ,  H01L28/55

Abstract: A dielectric film containing an alkaline earth metal oxide having a NaCl type crystal structure as a main component, wherein the dielectric film has a (111)-oriented columnar structure in a direction perpendicular to the surface of the dielectric film, and in a Cu—Kα X-ray diffraction chart of the dielectric film, a half width of the diffraction peak of (111) is in a range of from 0.3° to 2.0°.

公开(公告)号：US11201013B2

公开(公告)日：2021-12-14

申请号：US16830884

申请日：2020-03-26

Applicant: TDK CORPORATION

Inventor： Yusuke Oba ,  Raitarou Masaoka ,  Shohei Fujii ,  Maiko Shirokawa

IPC: C04B35/495 ,  H01G4/12 ,  H01G4/10

Abstract: A dielectric film comprises a complex oxide represented by a general formula xAO-yBO-zC2O5 as a main component, wherein A is at least one selected from barium, calcium and strontium, B is at least one selected from magnesium and zinc, C is at least one selected from niobium and tantalum, x, y and z satisfy relations: x+y+z=1.000, 0.375≤x≤0.563, 0.250≤y≤0.500, and x/3≤z≤(x/3)+1/9, and a full width at half maximum of a diffraction peak of a (110) plane of the complex oxide is 0.40° or more in an X-ray diffraction chart of the dielectric film.

公开(公告)号：US09567263B2

公开(公告)日：2017-02-14

申请号：US14882067

申请日：2015-10-13

Applicant: TDK CORPORATION

Inventor： Raitarou Masaoka ,  Hiroki Uchiyama ,  Shohei Fujii ,  Noriko Ogasawara

IPC: C04B35/495 ,  H01B3/12 ,  C04B35/01 ,  C04B35/453 ,  H01B3/10 ,  C04B35/626

CPC classification number: C04B35/495 ,  C04B35/01 ,  C04B35/453 ,  C04B35/62685 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3251 ,  C04B2235/3279 ,  C04B2235/3284 ,  H01B3/10 ,  H01B3/12

Abstract: A dielectric composition contains a complex oxide represented by the formula of xAO-yB′O-zB″2O5 as the main component, wherein A represents at least one element selected from the group made of Ba, Ca and Sr, B′ represents at least one element selected from the group made of Mg, Zn and Ni, B″ represents at least one element selected from the group made of Nb and Ta, and x, y and z meet the following conditions, x+y+z=1.000, 0.375≦x≦0.563, 0.250≦y≦0.500, and x/3≦z≦x/3+1/9. An electronic component using the dielectric composition is also provided.

Abstract translation: 电介质组合物含有以式xAO-yB'O-zB“2O5表示的复合氧化物为主要成分，其中A表示选自Ba，Ca和Sr中的至少一种元素，B'至少表示 选自由Mg，Zn和Ni组成的组中的一种元素，B“表示选自Nb和Ta中的至少一种元素，x，y和z满足以下条件：x + y + z = 0.375≤x≤0.563,0.250≤y≤0.500，x /3≤z≤x/ 3 + 1/9。 还提供了使用电介质组合物的电子部件。