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公开(公告)号：US11242425B2
公开(公告)日：2022-02-08
申请号：US17050671
申请日：2019-04-22
发明人： Mikio Sato , Hiroaki Fujiwara , Yuki Kitai , Masashi Koda , Yasunori Hoshino , Takayoshi Ozeki
IPC分类号： C08F290/06 , C08J5/24 , B32B15/08 , B32B27/28 , H05K1/03
摘要： A resin composition is provided and contains a compound (A) having at least one group represented by the following Formula (1) in a molecule, a crosslinking type curing agent (B), and an azo compound (C) that has an azo group in a molecule and has no heteroatom other than a nitrogen atom constituting the azo group. In Formula (1), n represents 0 to 10, Z represents an arylene group, and R1 to R3 each independently represent a hydrogen atom or an alkyl group.
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公开(公告)号：US11866536B2
公开(公告)日：2024-01-09
申请号：US17426400
申请日：2019-12-18
发明人： Yuki Kitai , Masashi Koda , Yasunori Hoshino , Atsushi Wada , Mikio Sato
CPC分类号： C08F290/062 , B32B5/02 , B32B5/26 , B32B15/14 , B32B15/20 , C25D3/38 , C25D7/00 , H05K1/036 , B32B2250/05 , B32B2255/06 , B32B2255/205 , B32B2260/021 , B32B2260/046 , B32B2262/101 , B32B2457/08 , H05K2201/0355
摘要： A copper-clad laminate includes an insulating layer formed of a cured product of a resin composition and a surface treated copper foil in contact with the insulating layer, in which the resin composition contains a compound having at least one group specified in the present application and a crosslinking type curing agent; and the surface treated copper foil is a surface treated copper foil including a finely roughened particle treatment layer of copper on at least one surface side of copper foil.
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公开(公告)号：US12024590B2
公开(公告)日：2024-07-02
申请号：US17256382
申请日：2019-07-09
发明人： Mikio Sato , Yuki Kitai , Yasunori Hoshino , Masashi Koda , Atsushi Wada
IPC分类号： C08G65/48 , C08F290/06 , C08J5/24 , H05K1/03
CPC分类号： C08G65/485 , C08F290/062 , C08J5/244 , C08J5/249 , H05K1/0366 , C08J2371/12
摘要： An aspect of the present invention is a resin composition containing a compound (A) having at least one group represented by the following Formula (1) in a molecule and an acenaphthylene compound (B).
In Formula (1), n represents 0 to 10, Z represents an arylene group, and R1 to R3 each independently represent a hydrogen atom or an alkyl group.-
公开(公告)号：US11820105B2
公开(公告)日：2023-11-21
申请号：US16650664
申请日：2018-09-28
发明人： Mikio Sato , Hiroaki Fujiwara , Yuki Kitai , Masashi Koda , Yasunori Hoshino
CPC分类号： B32B15/14 , B32B5/02 , C08J5/244 , C08J5/249 , C08K3/36 , C08K9/06 , H05K1/0366 , H05K1/0373 , B32B2260/021 , B32B2260/046 , B32B2262/101 , B32B2457/08 , C08J2371/12
摘要： One aspect of the present invention is a prepreg including a resin composition or a semi-cured product of the resin composition and a fibrous base material, in which the resin composition contains a modified polyphenylene ether compound terminally modified with a substituent having an unsaturated carbon-carbon double bond, and a crosslinkable curing agent having an unsaturated carbon-carbon double bond in a molecule, the fibrous base material is quartz glass cloth, the prepreg contains a silane coupling agent having an unsaturated carbon-carbon double bond in a molecule, in an amount of 0.01% by mass or more and less than 3% by mass with respect to the prepreg, and a cured product of the prepreg has a dielectric loss tangent of 0.002 or less at 10 GHz.
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公开(公告)号：US12022611B2
公开(公告)日：2024-06-25
申请号：US17440528
申请日：2020-03-26
发明人： Yasunori Hoshino , Yuki Kitai , Atsushi Wada , Masashi Koda , Mikio Sato
CPC分类号： H05K1/036 , C08J5/244 , C08J5/248 , C08J5/249 , H05K1/0373 , H05K1/056 , C08J2325/16 , H05K2201/0209
摘要： A prepreg includes: a resin composition or a semi-cured product thereof; and a fibrous base material, wherein the resin composition contains a polymer having a structural unit expressed by the formula (1) in a molecule, and a curing agent each at a predetermined content rate. A cured product of the resin composition has a Dk of 2.6 to 3.8, and the fibrous base material includes a glass cloth having a Dk of 4.7 or less and a Df of 0.0033 or less. A cured product of the prepreg has a Dk of 2.7 to 3.8, and a Df of 0.002 or less.
In the formula (1), Z represents an arylene group, R1 to R3 each independently represents a hydrogen atom or an alkyl group, and R4 to R6 each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.-
公开(公告)号：US11958951B2
公开(公告)日：2024-04-16
申请号：US17632038
申请日：2020-07-30
发明人： Masashi Koda , Yuki Kitai , Atsushi Wada , Yasunori Hoshino
IPC分类号： C08L25/08 , B32B5/02 , B32B5/26 , B32B15/14 , B32B15/20 , C08F212/08 , C08J5/18 , C08J5/24 , C08K3/36 , C08L25/10 , C08L71/12 , H05K1/03 , C08L25/16
CPC分类号： C08J5/244 , B32B5/024 , B32B5/263 , B32B15/14 , B32B15/20 , C08F212/08 , C08J5/18 , C08J5/249 , C08K3/36 , C08L25/10 , H05K1/0353 , B32B2260/023 , B32B2260/046 , B32B2262/101 , B32B2307/204 , B32B2307/726 , B32B2457/08 , C08F2800/10 , C08F2800/20 , C08J2325/10 , C08J2471/12 , C08L25/08 , C08L25/16 , C08L71/12 , C08L71/126
摘要： A resin composition is provided containing a polymer having a structural unit represented by the following Formula (1) in the molecule, and an inorganic filler, in which the inorganic filler contains silica in which a ratio of a number of Si atoms contained in silanol groups to a total number of Si atoms is 3% or less.
In Formula (1), Z represents an arylene group, R1 to R3 each independently represent a hydrogen atom or an alkyl group, and R4 to R6 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
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