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公开(公告)号：US20160111211A1
公开(公告)日：2016-04-21
申请号：US14882013
申请日：2015-10-13
Applicant: TDK CORPORATION
Inventor： Junji AOTANI , Shigeaki TANAKA , Katsuyuki KURACHI , Tatsuo NAMIKAWA , Yuuki ABURAKAWA
Abstract: A thin film capacitor comprising a lower electrode layer, an upper electrode layer, and a dielectric substance layer provided between the lower electrode layer and the upper electrode layer, wherein a dielectric patch member formed of a dielectric material is formed on a surface of the dielectric substance layer on an upper electrode layer side, a cross-sectional structure of the dielectric patch member has a taper angle of 1 to 25 degrees in a cross section perpendicular to the dielectric substance layer, the taper angle being an angle formed by (1) a tangential line tangent to an end portion of the dielectric patch member at a position that is 50% of a maximum height of the dielectric patch member and (2) a line being an interface between the dielectric substance layer and the upper electrode layer, and an area of the dielectric patch member is 100 to 900000 μm2.
Abstract translation: 一种薄膜电容器，包括设置在下电极层和上电极层之间的下电极层，上电极层和电介质层，其中由电介质材料形成的电介质贴片构件形成在电介质的表面上 在上电极层侧的物质层，电介质贴片部件的截面结构在与电介质层垂直的截面中具有1〜25度的锥角，该锥角为（1） 在电介质贴片构件的最大高度的50％的位置处与电介质贴片构件的端部相切的切线，以及（2）作为电介质层和上电极层之间的界面的线，以及 电介质贴片构件的面积为100〜900000μm2。
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公开(公告)号：US20170117096A1
公开(公告)日：2017-04-27
申请号：US15331447
申请日：2016-10-21
Applicant: TDK CORPORATION
Inventor： Junji AOTANI , Shigeaki TANAKA , Katsuyuki KURACHI , Tatsuo NAMIKAWA , Yuuki ABURAKAWA
IPC: H01G4/06
CPC classification number: H01G4/06 , H01G2/14 , H01G4/1227 , H01G4/33 , H01G4/35
Abstract: An electronic device sheet, comprising a pair of electrodes, a dielectric layer provided between the pair of electrodes, and one or more insulation patch members provided on one of principal surfaces of the dielectric layer, wherein the insulation patch member includes a boundary line having an undulating shape.
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公开(公告)号：US20160027579A1
公开(公告)日：2016-01-28
申请号：US14803560
申请日：2015-07-20
Applicant: TDK CORPORATION
Inventor： Katsuyuki KURACHI , Tatsuo NAMIKAWA , Junji AOTANI , Yuuki ABURAKAWA , Shigeaki TANAKA
Abstract: A thin film capacitor includes a pair of electrode layers, a dielectric layer existing between the pair of electrode layers, and a ceramic layer disposed on a surface opposite to the dielectric layer of at least one of the electrode layers.
Abstract translation: 薄膜电容器包括一对电极层，存在于该对电极层之间的电介质层和设置在与至少一个电极层的电介质层相对的表面上的陶瓷层。
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Patent Agency Ranking
公开(公告)号：US20130258544A1
公开(公告)日：2013-10-03
申请号：US13796822
申请日：2013-03-12
Applicant: TDK CORPORATION
Inventor： Tatsuo NAMIKAWA , Yoshihiko Yano , Yasunobu Oikawa
IPC: H01G4/30
Abstract: A thin film capacitor includes an under electrode, a plurality of dielectric body layers and a plurality of internal electrode layers that are alternately laminated on the under electrode, the internal electrode layers respectively including protrusion parts that each protrude from the dielectric body layers viewed in the lamination direction, and connection electrodes to which at least a portion of each of the protrusion parts contacts. Assuming that protrusion amounts of the protrusion parts of the internal electrode layers that are connected to the same connection electrode are regarded as L, a protrusion amount Ln of a protrusion part of nth (n≧2) internal electrode layer from the under electrode side is smaller than another protrusion amount Ln-1 of another protrusion part of (n-1)th internal electrode layer.
Abstract translation: 薄膜电容器包括底电极，多个电介质体层和交替层叠在下电极上的多个内电极层，内电极层分别包括从电介质体层中观察到的每个突出部分的突出部分 层叠方向和每个突起部的至少一部分接触的连接电极。 假设连接到同一连接电极的内部电极层的突出部分的突出量被认为是L，则从下部电极侧的第n（n> = 2）个内部电极层的突出部分的突出量Ln 小于第（n-1）个内部电极层的另一突起部的另一突出量Ln-1。
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公开(公告)号：US20210272757A1
公开(公告)日：2021-09-02
申请号：US17165339
申请日：2021-02-02
Applicant: TDK CORPORATION
Inventor： Yuuki ABURAKAWA , Tatsuo NAMIKAWA , Akiyasu IIOKA , Hitoshi SAITA , Kazuhiro YOSHIKAWA
IPC: H01G4/33 , H01G4/008 , H01L23/64 , H01L23/498 , H01G4/30
Abstract: Disclosed herein a thin film capacitor that includes a lower electrode layer, an upper electrode layer, and a dielectric layer disposed between the lower electrode layer and the upper electrode layer. The dielectric layer has a through hole. An inner wall surface of the through hole has a first tapered surface and a second tapered surface surrounded by the first tapered surface. The first and second tapered surfaces are not covered with the upper electrode layer and have respective first and second taper angles with respect to a surface of the lower electrode layer. The second taper angle is smaller than the first taper angle.
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公开(公告)号：US20160020030A1
公开(公告)日：2016-01-21
申请号：US14799247
申请日：2015-07-14
Applicant: TDK CORPORATION
Inventor： Junji AOTANI , Shigeaki TANAKA , Katsuyuki KURACHI , Tatsuo NAMIKAWA , Yuuki ABURAKAWA
Abstract: A thin film capacitor including a lower electrode layer, a dielectric layer provided on the lower electrode layer, and an upper electrode layer formed on the dielectric layer, wherein the dielectric layer includes a recessed portion in a portion on the upper face thereof, a cross-sectional structure perpendicular to the dielectric layer of the recessed portion has a cross-sectional taper angle of 1 degree or more and 25 degrees or less, and the distance between the bottom portion center and an outermost portion of the recessed portion is 20 times or more and 150 times or less a thickness of the dielectric layer.
Abstract translation: 一种薄膜电容器，包括下电极层，设置在下电极层上的电介质层和形成在电介质层上的上电极层，其中电介质层包括在其上表面上的部分中的凹部， 与凹部的电介质层垂直的截面结构的截面锥角为1度以上且25度以下，凹部的底部中心与最外侧部之间的距离为20倍， 介电层厚度的150倍以下。
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公开(公告)号：US20160163463A1
公开(公告)日：2016-06-09
申请号：US14953807
申请日：2015-11-30
Applicant: TDK CORPORATION
Inventor： Tatsuo NAMIKAWA , Junji AOTANI , Katsuyuki KURACHI , Yuuki ABURAKAWA , Shigeaki TANAKA
Abstract: A thin film capacitor comprises: a laminated body that has a base electrode, a dielectric layer and an upper electrode layer; a protective layer covering the base electrode, the dielectric layer and the upper electrode layer, and includes a first through-hole that reaches the base electrode, and a second through-hole that reaches the upper electrode layer; a first extraction electrode in the first through-hole and electrically connected with the base electrode; a second extraction electrode in the second through-hole and electrically connected with the upper electrode layer; a first terminal electrode on the protective layer, and connected with the base electrode through the first extraction electrode; and a second terminal electrode on the protective layer, and connected with the upper electrode layer through the second extraction electrode. Young's modulus of the protective layer is equal to or higher than 0.1 GPa and equal to or lower than 2.0 GPa.
Abstract translation: 薄膜电容器包括：层叠体，其具有基极，电介质层和上电极层; 覆盖基极，电介质层和上电极层的保护层，并且包括到达基极的第一通孔和到达上电极层的第二通孔; 所述第一通孔中的第一引出电极与所述基极电连接; 所述第二通孔中的第二引出电极与所述上电极层电连接; 在保护层上的第一端子电极，并通过第一引出电极与基极连接; 和保护层上的第二端子电极，并通过第二引出电极与上部电极层连接。 保护层的杨氏模量等于或高于0.1GPa并且等于或低于2.0GPa。
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公开(公告)号：US20150325368A1
公开(公告)日：2015-11-12
申请号：US14706486
申请日：2015-05-07
Applicant: TDK CORPORATION
Inventor： Tatsuo NAMIKAWA , Yoshihiko YANO , Yasunobu OIKAWA
Abstract: A thin film capacitor comprises: a laminated body in which a dielectric layer and an upper electrode layer are successively laminated on a base electrode; a protective layer that covers a part of the base electrode, the dielectric layer and the upper electrode layer and includes a through-hole respectively on the base electrode and on the upper electrode layer; and terminal electrodes that are electrically connected with the base electrode and the upper electrode layer through the through-holes of the protective layer, and a modulus of longitudinal elasticity (Young's modulus) of the protective layer is 0.1 GPa to 2.0 GPa.
Abstract translation: 薄膜电容器包括：层叠体，其中介电层和上电极层依次层压在基极上; 保护层，其覆盖基极的一部分，电介质层和上电极层，并且在基极和上电极层上分别具有通孔; 以及通过保护层的通孔与基极和上电极层电连接的端子电极，保护层的纵向弹性模量（杨氏模量）为0.1GPa〜2.0GPa。
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