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    METHOD OF PRODUCING ANISOTROPIC CONDUCTIVE FILM AND ANISOTROPIC CONDUCTIVE FILM
    11.
    发明申请
    METHOD OF PRODUCING ANISOTROPIC CONDUCTIVE FILM AND ANISOTROPIC CONDUCTIVE FILM 审中-公开
    生产各向异性导电薄膜和单向导电薄膜的方法

    公开(公告)号：US20150231803A1

    公开(公告)日：2015-08-20

    申请号：US14422470

    申请日：2013-08-23

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara ,  Yasushi Akutsu

    IPC: B29C43/20 ,  H01L23/00 ,  B29D7/01 ,  B29C43/00 ,  B29C35/08

    CPC classification number: B29C43/203 ,  B29C35/0805 ,  B29C43/003 ,  B29C2035/0827 ,  B29D7/01 ,  B29K2063/00 ,  B29K2505/00 ,  B29K2995/0005 ,  C09J5/06 ,  C09J7/10 ,  C09J9/02 ,  C09J2201/36 ,  C09J2201/602 ,  H01L24/27 ,  H01L24/29 ,  H01L24/32 ,  H01L24/83 ,  H01L2224/29076 ,  H01L2224/29083 ,  H01L2224/2929 ,  H01L2224/293 ,  H01L2224/29499 ,  H01R4/04 ,  H05K3/323 ,  Y10T428/24612

    Abstract: Anisotropic conductive film produced that a light-transmitting transfer die having openings with conductive particles disposed therein is prepared, and photopolymerizable insulating resin squeezed into openings to transfer conductive particles onto the surface of the photopolymerizable insulating resin layer, first connection layer is formed which has a structure in which conductive particles are arranged in a single layer in a plane direction of photopolymerizable insulating resin layer and the thickness of photopolymerizable insulating resin layer in central regions between adjacent ones of the conductive particles is smaller than thickness of photopolymerizable insulating resin layer in regions in proximity to conductive particles; first connection layer is irradiated with ultraviolet rays through light-transmitting transfer die; release film is removed from first connection layer; second connection layer is formed on the surface of first connection layer opposite to light-transmitting transfer die; and third connection layer is formed on the surface of first connection layer.

    Abstract translation: 制备各向异性导电膜，其中制备具有设置在其中的具有导电颗粒的开口的透光转印模头，并将可光聚合绝缘树脂挤压入开口以将导电颗粒转印到可光聚合绝缘树脂层的表面上，形成第一连接层，其具有 导电粒子在光聚合性绝缘树脂层的平面方向上排列成单层的结构，相邻的导电粒子之间的中央区域的光聚合性绝缘树脂层的厚度小于光聚合性绝缘树脂层的厚度 接近导电颗粒; 第一连接层通过透光转印模具用紫外线照射; 从第一连接层去除脱模膜; 第二连接层形成在与透光转移模具相对的第一连接层的表面上; 并且第三连接层形成在第一连接层的表面上。

    Anisotropic conductive film and connected structure
    15.
    发明授权
    Anisotropic conductive film and connected structure 有权

    公开(公告)号：US11139265B2

    公开(公告)日：2021-10-05

    申请号：US16578763

    申请日：2019-09-23

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara

    IPC: C09J7/20 ,  C09J9/02 ,  C08K3/08 ,  H05K3/32 ,  H01L23/00

    Abstract: Anisotropic conductive films, each including an insulating adhesive layer and conductive particles insulating adhesive layer in a lattice-like manner. Among center distances between an arbitrary conductive particle and conductive particles adjacent to the conductive particle, the shortest distance to the conductive particle is a first center distance; the next shortest distance is a second center distance. These center distances are 1.5 to 5 times the conductive particles' diameter. The arbitrary conductive particle, conductive particle spaced apart from the conductive particle by the first center distance, conductive particle spaced apart from the conductive particle by first center distance or second center distance form an acute triangle. Regarding this acute triangle, an acute angle formed between a straight line orthogonal to a first array direction passing through the conductive particles and second array direction passing through conductive particles being 18 to 35°. These anisotropic conductive films have stable connection reliability in COG connection.

    Anisotropic electrically conductive film and connection structure
    16.
    发明授权
    Anisotropic electrically conductive film and connection structure 有权

    公开(公告)号：US10892243B2

    公开(公告)日：2021-01-12

    申请号：US16724652

    申请日：2019-12-23

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara

    IPC: H01L23/00 ,  H05K3/32

    Abstract: An anisotropic electrically conductive film includes electrically conductive particles disposed in an electrically insulating adhesive layer. The particles are arranged at a predetermined pitch along first axes, arranged side by side, and are substantially spherical. The particle pitch at the first axes and the axis pitch of the first axes are both greater than or equal to 1.5D, D being an average particle diameter of the particles. Directions of all sides of a triangle formed by a particle (P0), which is one of the electrically conductive particles at one of the first axes, an electrically conductive particle (P1), which is at the one of the first axes and adjacent to the particle (P0), and an electrically conductive particle (P2), which is at another one of the first axes that is adjacent to the one of the first axes, are oblique to a film width direction of the conductive film.

    Anisotropic conductive film
    17.
    发明授权
    Anisotropic conductive film 有权

    公开(公告)号：US10827625B2

    公开(公告)日：2020-11-03

    申请号：US15769042

    申请日：2016-10-31

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara

    IPC: H05K3/32 ,  G01N21/892 ,  C09J7/30 ,  C09J9/02 ,  H01B5/16 ,  G01N21/89 ,  H01R4/04

    Abstract: An anisotropic conductive film includes an electrically conductive particle dispersion layer, which includes electrically conductive particles dispersed, in a predetermined dispersion state, in an electrically insulating adhesive. The anisotropic conductive film includes a defective portion indication means configured to provide information about a location of a defective portion regarding the dispersion state of the electrically conductive particles. A bonding method for bonding the anisotropic conductive film to an electronic component is performed such that, in accordance with the information about the location of the defective portion, obtained from the defective portion indication means, a defect-free portion of the anisotropic conductive film is bonded to a region where terminals or terminal arrays are present in the electronic component to be anisotropically conductively connected.

    Method of producing anisotropic conductive film and anisotropic conductive film
    19.
    发明授权
    Method of producing anisotropic conductive film and anisotropic conductive film 有权

    公开(公告)号：US11136476B2

    公开(公告)日：2021-10-05

    申请号：US16369539

    申请日：2019-03-29

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara ,  Yasushi Akutsu

    IPC: C09J7/10 ,  C09J5/06 ,  C09J9/02 ,  B29C35/08 ,  B29C43/00 ,  B29C43/20 ,  B29D7/01 ,  H01L23/00 ,  H05K3/32 ,  H01R4/04 ,  B29K63/00 ,  B29K505/00

    Abstract: Anisotropic conductive film produced that a light-transmitting transfer die having openings with conductive particles disposed therein is prepared, and photopolymerizable insulating resin squeezed into openings to transfer conductive particles onto the surface of the photopolymerizable insulating resin layer, first connection layer is formed which has a structure in which conductive particles are arranged in a single layer in a plane direction of photopolymerizable insulating resin layer and the thickness of photopolymerizable insulating resin layer in central regions between adjacent ones of the conductive particles is smaller than thickness of photopolymerizable insulating resin layer in regions in proximity to conductive particles; first connection layer is irradiated with ultraviolet rays through light-transmitting transfer die; release film is removed from first connection layer; second connection layer is formed on the surface of first connection layer opposite to light-transmitting transfer die; and third connection layer is formed on the surface of first connection layer.

    Anisotropic electrically conductive film and connection structure
    20.
    发明授权
    Anisotropic electrically conductive film and connection structure 有权

    公开(公告)号：US10546831B2

    公开(公告)日：2020-01-28

    申请号：US15576759

    申请日：2016-05-27

    Applicant: DEXERIALS CORPORATION

    Inventor： Seiichiro Shinohara

    IPC: H01L23/00

    Abstract: An anisotropic electrically conductive film includes electrically conductive particles disposed in an electrically insulating adhesive layer. The particles are arranged at a predetermined pitch along first axes, arranged side by side, and are substantially spherical. The particle pitch at the first axes and the axis pitch of the first axes are both greater than or equal to 1.5D, D being an average particle diameter of the particles. Directions of all sides of a triangle formed by a particle (P0), which is one of the electrically conductive particles at one of the first axes, an electrically conductive particle (P1), which is at the one of the first axes and adjacent to the particle (P0), and an electrically conductive particle (P2), which is at another one of the first axes that is adjacent to the one of the first axes, are oblique to a film width direction of the conductive film.

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