公开(公告)号：US20170025226A1

公开(公告)日：2017-01-26

申请号：US15215237

申请日：2016-07-20

Applicant: TDK CORPORATION

Inventor： Kouichi KAKUDA ,  Takashi SUZUKI ,  Masaki TAKAHASHI ,  Yukio TAKAHASHI ,  Shinichi KONDO ,  Asuka MURAI ,  Akihiko OIDE ,  Naoki UCHIDA ,  Hidekazu SATO

IPC: H01G4/40 ,  C04B37/00 ,  C04B35/462 ,  C04B35/453 ,  H01F1/03 ,  C04B35/47

CPC classification number: H01G4/40 ,  B32B18/00 ,  C04B35/265 ,  C04B35/453 ,  C04B35/462 ,  C04B35/47 ,  C04B2235/3232 ,  C04B2235/3236 ,  C04B2235/3262 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3409 ,  C04B2235/365 ,  C04B2235/6025 ,  C04B2237/34 ,  C04B2237/346 ,  H01F1/0306 ,  H01F1/0315 ,  H01F1/344 ,  H01F17/0013 ,  H01F27/255 ,  H01F2017/0026

Abstract: Composite electronic including coil, capacitor and intermediate parts, wherein coil part includes coil-conductor and magnetic-layer, capacitor part includes internal electrodes and dielectric-layer, which contains SrO—TiO2 or ZnO—TiO2 based oxide, intermediate part between coil and capacitor parts, intermediate part includes intermediate material layer, which contains ZnO, TiO2 and boron, ZnO contained in intermediate material layer 50-85 parts by mole and TiO2 contained the intermediate material layer 15-50 parts by mole when total content of ZnO and TiO2 in intermediate material layer is 100 parts by mole, content boron in intermediate material layer is 0.1-5.0 parts by weight of B2O3 when total of ZnO and TiO2 in intermediate material layer set to 100 parts by weight, part of ZnO and TiO2 intermediate material layer constitute ZnO—TiO2 compound, which in intermediate material layer is 50 wt % or more when total weight of ZnO and TiO2 in intermediate material layer is set to 100 wt %.

Abstract translation: 包括线圈，电容器和中间部件的复合电子器件，其中线圈部分包括线圈导体和磁层，电容器部分包括内部电极和介电层，其包含SrO-TiO2或ZnO-TiO2基氧化物，线圈和电容器之间的中间部分 中间部分包括中间材料层，其含有ZnO，TiO 2和硼，中间材料层中所含的ZnO为50-85份摩尔，当TiO 2和ZnO的总含量为 中间材料层为100份摩尔，中间材料层中的硼含量为0.1-5.0重量份的B2O3，当中间材料层中的ZnO和TiO 2的总量设定为100重量份时，部分ZnO和TiO 2中间材料层构成 ZnO-TiO2化合物，当中间材料层中的ZnO和TiO 2的总重量设定为10时，其在中间材料层中的重量比为50重量％ 0重量％。

公开(公告)号：US20160293302A1

公开(公告)日：2016-10-06

申请号：US15090129

申请日：2016-04-04

Applicant: TDK CORPORATION

Inventor： Kouichi KAKUDA ,  Ryuichi WADA ,  Yukari AKITA ,  Yukio TAKAHASHI ,  Takashi SUZUKI ,  Asuka MURAI ,  Hiroyuki TANOUE

IPC: H01F1/03 ,  H03H7/01 ,  H01F38/14 ,  H01F27/255 ,  H01F27/28

CPC classification number: H03H7/0115 ,  C04B35/265 ,  H01F1/344 ,  H01F17/0013 ,  H01F17/04 ,  H01F2017/0026 ,  H01F2017/048

Abstract: Provided is a ferrite composition composed of: a main component including 23.0 to 47.0 mole % of Fe compound in terms of Fe2O3, 3.0 to 16.0 mole % of Cu compound in terms of CuO, 4.0 to 39.0 mole % of Zn compound in terms of ZnO, 1.5 to 13.0 mole % of Si compound in terms of SiO2, and a residue of Ni compound; and a subcomponent including, with respect to 100 parts by weight of the main component, 0.1 to 8.0 parts by weight of Co compound in terms of Co3O4 and 0.25 to 5.00 parts by weight of Bi compound in terms of Bi2O3.

Abstract translation: 提供一种铁素体组合物，其由以下组成的铁素体组合物构成：主要成分为以Fe 2 O 3计，Fe化合物23.0〜47.0摩尔％，CuO换算为3.0〜16.0摩尔％的Cu化合物，以ZnO计为4.0〜39.0摩尔％的Zn化合物 ，1.5〜13.0摩尔％的Si化合物，以SiO 2计，残留的Ni化合物; 和相对于100重量份的主成分的副成分，以Co 3 O 4换算为0.1〜8.0重量份的Co化合物，以Bi 2 O 3换算为0.25〜5.00重量份的Bi化合物。

公开(公告)号：US20180096768A1

公开(公告)日：2018-04-05

申请号：US15708625

申请日：2017-09-19

Applicant: TDK CORPORATION

Inventor： Takeshi SHIBAYAMA ,  Asuka MURAI ,  Yukio TAKAHASHI ,  Takashi SUZUKI ,  Hiroyuki TANOUE ,  Masaki TAKAHASHI

IPC: H01F1/34 ,  H01F41/04 ,  H01F17/00 ,  C04B35/26

CPC classification number: H01F1/344 ,  C04B35/265 ,  C04B35/6261 ,  C04B2235/3277 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/3418 ,  C04B2235/604 ,  C04B2235/608 ,  C04B2235/94 ,  H01F17/0013 ,  H01F41/046

Abstract: A ferrite composition includes a main component and an accessory component. The main component includes 18 to 30 mol % of iron oxide in terms of Fe2O3, 4 to 14 mol % of copper oxide in terms of CuO, 0 to 6 mol % of zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The accessory component includes 0.30 to 1.83 pts.wt. of silicon compound in terms of SiO2, 2.00 to 10.00 pts.wt. of cobalt compound in terms of Co3O4, and 1.00 to 3.00 pts.wt. of bismuth compound in terms of Bi2O3 with respect to 100 pts.wt. of the main component. A cobalt compound content in terms of Co3O4 divided by a silicon compound content in terms of SiO2 is a value of 5.5 to 30.0.

公开(公告)号：US20160300651A1

公开(公告)日：2016-10-13

申请号：US15090196

申请日：2016-04-04

Applicant: TDK CORPORATION

Inventor： Hiroki CHOTO ,  Takeshi SHIBAYAMA ,  Ryuichi WADA ,  Kouichi KAKUDA ,  Yukari AKITA ,  Asuka MURAI ,  Yukio TAKAHASHI ,  Takashi SUZUKI ,  Akinori OHI

IPC: H01F1/34 ,  H01F27/28

CPC classification number: H01F41/0246 ,  C04B35/26 ,  C04B35/2666 ,  C04B35/6261 ,  C04B35/62645 ,  C04B35/62695 ,  C04B2235/3244 ,  C04B2235/3277 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/3418 ,  C04B2235/77 ,  C04B2235/94 ,  H01F1/344 ,  H01F27/2804 ,  H01F2027/2809

Abstract: A ferrite composition composed of a main component including 26 to 46 mol % of an iron oxide in terms of Fe2O3, 4 to 14 mol % of a copper oxide in terms of CuO, 0 to 26 mol % of a zinc oxide in terms of ZnO, and a residue of 40.0 mol % or more of a nickel oxide in terms of NiO. The ferrite composition, with respect to 100 parts by weight of the main component, is also composed of a subcomponent including 0.8 to 10.0 parts by weight of a silicon compound in terms of SiO2, 1.0 to 15.0 parts by weight of a cobalt compound in terms of Co3O4, and 0.7 to 30.0 parts by weight of a bismuth compound in terms of Bi2O3. A value of the cobalt compound content in terms of Co3O4 divided by the silicon compound content in terms of SiO2 is 0.4 to 5.5.

Abstract translation: 由以Fe 2 O 3计的氧化铁为26〜46摩尔％，CuO换算为氧化铜为4〜14摩尔％，ZnO为0〜26摩尔％的氧化锌为主成分的铁素体组合物 ，NiO为40.0摩尔％以上的氧化镍的残渣。 相对于100重量份的主成分，铁素体组合物也由以SiO 2为0.8〜10.0重量份的硅化合物，以化合物计1.0〜15.0重量份的化合物构成的副成分 的Co 3 O 4和0.7〜30.0重量份的Bi 2 O 3换算的铋化合物。 以Co 3 O 4计的钴化合物含量除以硅化合物含量换算成SiO 2的值为0.4〜5.5。