公开(公告)号：US20230162910A1

公开(公告)日：2023-05-25

申请号：US17977038

申请日：2022-10-31

申请人： TDK CORPORATION

发明人： Hidenobu UMEDA ,  Masaki TAKAHASHI ,  Kaori SASAKI ,  Nami ENOMOTO

IPC分类号： H01F27/32 ,  H01F41/12 ,  H01F41/04 ,  H01F27/28

CPC分类号： H01F27/324 ,  H01F41/125 ,  H01F41/043 ,  H01F27/2804 ,  H01F2027/2809

摘要： An electronic component includes a glass ceramic layer and a conductor layer. The glass ceramic layer includes feldspar crystal phases, non-crystalline glass phases, and Al2O3 phases. The area ratio of the feldspar crystal phases in the vicinity of the conductor layer is larger than the area ratio of the feldspar crystal phases away from the conductor layer.

公开(公告)号：US20240242883A1

公开(公告)日：2024-07-18

申请号：US18410188

申请日：2024-01-11

申请人： TDK Corporation

发明人： Yuya ISHIMA ,  Kenji KOMORITA ,  Shingo HATTORI ,  Yoji TOZAWA ,  Masaki TAKAHASHI ,  Hidenobu UMEDA ,  Yusuke NAGAI ,  Akihiko OIDE

IPC分类号： H01F41/076 ,  H01F41/12

CPC分类号： H01F41/076 ,  H01F41/122

摘要： A method for manufacturing a coil component including an element body, and a coil disposed inside the element body and including a first coil conductor and a second coil conductor having different shapes, the method comprises: applying a first photosensitive conductive paste on a substrate and exposing the first photosensitive conductive paste to light with a pattern corresponding to the first coil conductor to form a first curing pattern; after the forming of the first curing pattern, applying a second photosensitive conductive paste on the first photosensitive conductive paste and exposing the second photosensitive conductive paste to light with a pattern corresponding to the second coil conductor to form a second curing pattern; after the forming of the second curing pattern, developing portions of the first photosensitive conductive paste and the second photosensitive conductive paste that were not exposed; and after the developing, adding an insulating material on the substrate.

公开(公告)号：US20230159380A1

公开(公告)日：2023-05-25

申请号：US17977055

申请日：2022-10-31

申请人： TDK CORPORATION

发明人： Hidenobu UMEDA ,  Masaki TAKAHASHI ,  Kaori SASAKI ,  Nami ENOMOTO

IPC分类号： C03C14/00 ,  C03C10/00

CPC分类号： C03C14/004 ,  C03C10/0036 ,  C03C2214/04 ,  C03C2214/20 ,  C03C2204/00

摘要： A glass ceramic includes feldspar crystal phases, non-crystalline glass phases, Al2O3 phases, and SiO2 phases. At least one pair of the Al2O3 phases is bonded via at least one of the feldspar crystal phases.

公开(公告)号：US20210065975A1

公开(公告)日：2021-03-04

申请号：US17004334

申请日：2020-08-27

申请人： TDK CORPORATION

发明人： Yuya ISHIMA ,  Shinichi KONDO ,  Kosuke ITO ,  Shingo HATTORI ,  Takashi SUZUKI ,  Hidenobu UMEDA

IPC分类号： H01F41/04 ,  H01F27/28 ,  H01F41/12

摘要： A method for producing a multilayer coil component includes forming, on a main face of a substrate, a first coil conductor extending along the main face having conductivity, forming a second coil conductor and a third coil conductor apart from each other in a direction in which the first coil conductor extends and each extending from the first coil conductor in a first direction orthogonal to the main face, and forming a fourth coil conductor electrically connected to an end of the second coil conductor opposite to the first coil conductor and extending along the main face. The forming the first coil conductor includes forming, on the main face, a first insulator layer provided with a first penetration portion having a shape corresponding to the first coil conductor and exposing a part of the main face, and forming, by plating, the first coil conductor in the first penetration portion.

公开(公告)号：US20140204499A1

公开(公告)日：2014-07-24

申请号：US14223385

申请日：2014-03-24

申请人： TDK Corporation

发明人： Hidenobu UMEDA ,  Makoto YOSHINO ,  Takahiro SATO ,  Takuo HATTORI ,  Shinichi SATO ,  Takeshi SHIBAYAMA

IPC分类号： H05F3/04

CPC分类号： H05F3/04 ,  H01G4/40 ,  H01T2/00 ,  H01T4/12 ,  H05K9/0067 ,  H05K9/0079

摘要： An electrostatic protection component includes: a body in which a plurality of ceramic substrates is laminated; and a pair of discharge electrodes which are formed within the body and which are spaced to face each other. The discharge electrodes include main body portions extending along a longitudinal direction, and the main body portions include tips in the longitudinal direction and side edges extending along the longitudinal direction. The pair of discharge electrodes are arranged such that both the main body portions are adjacent to each other in a short direction. The discharge electrodes face each other in the short direction between the side edges, and discharge occurs only between the side edges, between the discharge electrodes.

摘要翻译： 静电保护部件包括：层叠有多个陶瓷基板的主体; 以及一对放电电极，其形成在主体内并且彼此间隔开。 放电电极包括沿着纵向方向延伸的主体部分，并且主体部分包括沿纵向方向的尖端和沿着纵向方向延伸的侧边缘。 一对放电电极被布置成使得两个主体部分在短方向上彼此相邻。 放电电极在侧边缘之间在短的方向上彼此面对，并且放电仅在放电电极之间的侧边缘之间发生。

公开(公告)号：US20240331907A1

公开(公告)日：2024-10-03

申请号：US18616887

申请日：2024-03-26

申请人： TDK CORPORATION

发明人： Hidenobu UMEDA ,  Masaki TAKAHASHI ,  Kaori SASAKI ,  Nami ENOMOTO

IPC分类号： H01F5/06 ,  C03C10/00

CPC分类号： H01F5/06 ,  C03C10/0045

摘要： An electronic component includes a glass ceramic sintered bod. The glass ceramic sintered body includes a main phase grain including at least one of a cordierite phase and an indialite phase, and a coating layer including a forsterite phase covering the main phase grain.

公开(公告)号：US20230402211A1

公开(公告)日：2023-12-14

申请号：US18330073

申请日：2023-06-06

申请人： TDK CORPORATION

发明人： Kouichi KAKUDA ,  Yuya OSHIMA ,  Kenji KOMORITA ,  Shigeshi OSAWA ,  Shinichi KONDO ,  Hiroyuki TANOUE ,  Kaori SASAKI ,  Takuya NIIBORI ,  Yukio TAKAHASHI ,  Hidenobu UMEDA

IPC分类号： H01F1/34 ,  C04B35/26

CPC分类号： H01F1/344 ,  C04B35/265 ,  C04B2235/3274 ,  C04B2235/3293 ,  C04B2235/3277 ,  C04B2235/3298

摘要： A ferrite composition includes a main component and a sub component. The main component includes an iron oxide in terms of Fe2O3, a copper oxide in terms of CuO, a zinc oxide in terms of ZnO, and a nickel oxide as its remainder. The sub component includes a cobalt oxide in terms of Co3O4, a tin oxide in terms of SnO2, and a bismuth oxide in terms of Bi2O3. A is −3.5 or more and 1.0 or less, provided that A=(α−18)/β; is defined, in which α is an amount of the zinc oxide represented by mol % in terms of ZnO in the main component, and β is an amount of the cobalt oxide represented by parts by weight in terms of Co3O4 with respect to 100 parts by weight of the main component.

公开(公告)号：US20220293332A1

公开(公告)日：2022-09-15

申请号：US17687940

申请日：2022-03-07

申请人： TDK CORPORATION

发明人： Yuya ISHIMA ,  Kosuke ITO ,  Shinichi KONDO ,  Shingo HATTORI ,  Hidenobu UMEDA

IPC分类号： H01F27/29 ,  H01F27/32 ,  H01F41/04

摘要： A method for manufacturing a multilayer coil component 1 includes: a step of forming a conductor by a photolithography method using photosensitive conductive paste; a step of forming an insulating film covering the conductor by a photolithography method using photosensitive insulating paste; a step of forming a resin layer holding the conductor covered with the insulating film by a positive-type photoresist; a step of forming a plurality of the conductors and the insulating film and then removing the resin layer by irradiating the resin layer with ultraviolet rays and developing the resin layer; and a step of filling the conductor covered with the insulating film with a magnetic material after removing the resin layer.

公开(公告)号：US20150189727A1

公开(公告)日：2015-07-02

申请号：US14569285

申请日：2014-12-12

申请人： TDK CORPORATION

发明人： Takeshi SHIBAYAMA ,  Hidenobu UMEDA

IPC分类号： H05F3/04 ,  H01B1/02 ,  H01B3/12

CPC分类号： H05F3/04 ,  H01T4/12 ,  H05K9/0067

摘要： An ESD (ElectroStatic Discharge) protection component has: first and second discharge electrodes arranged so as to be opposed to each other through a gap; and a discharge inducing portion kept in contact with the first and second discharge electrodes and configured to connect the first and second discharge electrodes to each other. The discharge inducing portion has metal particles, a ceramic material containing glass, and a dielectric material having a dielectric constant higher than that of the ceramic material. A content of the dielectric material is in the range of 7.5 to 40% by volume, with respect to a total volume of the ceramic material and the dielectric material.

摘要翻译： ESD（静电放电）保护部件具有：通过间隙配置成彼此相对的第一和第二放电电极; 以及与第一和第二放电电极保持接触并且被配置为将第一和第二放电电极彼此连接的放电诱导部分。 放电诱导部分具有金属颗粒，含玻璃的陶瓷材料和介电常数高于陶瓷材料的电介质材料。 介电材料的含量相对于陶瓷材料和电介质材料的总体积为7.5〜40体积％。

公开(公告)号：US20150036248A1

公开(公告)日：2015-02-05

申请号：US14339979

申请日：2014-07-24

申请人： TDK CORPORATION

发明人： Hidenobu UMEDA ,  Yuma ISHIKAWA ,  Makoto YOSHINO ,  Keigo HIGASHIDA

IPC分类号： H02H9/04

CPC分类号： H02H9/044 ,  H01C13/02 ,  H01G4/38 ,  H01G4/40

摘要： An ESD suppressor is configured including first and second discharge electrodes arranged as separated from each other, and a discharge inducing portion kept in contact with the first and second discharge electrodes so as to connect mutually opposed portions of the first and second discharge electrodes to each other. The discharge inducing portion contains metal particles. The first and second discharge electrodes are located on the coil side with respect to the discharge inducing portion when viewed in a stack direction of a plurality of insulator layers. An element body has a cavity portion located so as to cover the whole of the discharge inducing portion when viewed in the stack direction from the coil side. The cavity portion is in contact with the mutually opposed portions of the first and second discharge electrodes and with the discharge inducing portion.

摘要翻译： ESD抑制器被配置为包括彼此分离布置的第一和第二放电电极以及与第一和第二放电电极保持接触以便将第一和第二放电电极的相互相对的部分彼此连接的放电诱导部分 。 放电诱导部分含有金属颗粒。 当在多个绝缘体层的堆叠方向上观察时，第一和第二放电电极相对于放电诱导部位于线圈侧。 元件本体具有空腔部分，当从线圈侧沿堆叠方向观察时，覆盖整个放电诱导部分的位置。 空腔部分与第一和第二放电电极的相互相对的部分和放电诱导部分接触。