Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Fukuda Metal Foil & Powder Co., Ltd.

Yuki Kitai

Hiroaki Fujiwara

Masashi Koda

Yasunori Hoshino

Mikio Sato

Atsushi Wada

Hirosuke Saito

Yuki Inoue

Tatsuya Arisawa

Takayoshi Ozeki

Ryusei Kozawa

Keiko Kashihara

Yuki Tokuda

Yasuo Fukuhara

Takeshi Okamoto

Akira Irifune

Hidetaka Kakiuchi

Takashi Sagara

Daisuke Yokoyama

Tomoaki Watanabe

Mao Yamaguchi

Masao Imai

An aspect of the present invention relates to a resin composition, which contains a modified polyphenylene ether compound of which a terminal is modified with a substituent having a carbon-carbon unsaturated double bond and a free radical compound, in which the free radical compound has at least one free radical group selected from the group consisting of structures represented by Formulas (1), (2), (3) and (4) in a molecule.

Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminated board, and wiring board

An aspect of the present application relates to a resin composition, which contains a polymer having a structural unit represented by Formula (1) in a molecule and a free radical compound and in which the free radical compound has at least one free radical group selected from the group consisting of structures represented by Formulas (2), (3), (4) and (5) in the molecule.

Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and wiring board

A copper clad laminate includes: an insulating layer containing a cured product of a resin composition; and a surface treated copper foil on one surface or both surfaces of the insulating layer, the resin composition containing a polymer, and the surface treated copper foil including a finely roughened particle treatment layer of copper on at least one surface side of a copper foil, the finely roughened particle treatment layer being formed of fine copper particles having a particle size of 40 to 200 nm, a heat resistance treatment layer containing nickel provided on the finely roughened particle treatment layer, a rust prevention treatment layer containing at least chromium provided on the heat resistance treatment layer, a silane coupling agent layer provided on the rust prevention treatment layer, and an amount of nickel attached in the heat resistance treatment layer being 30 to 60 mg/m.

Copper-clad laminated plate, resin-clad copper foil, and circuit substrate using said plate and foil

A copper-clad laminate includes an insulating layer that contains a cured product of a resin composition containing a polymer having a structural unit represented by the following Formula (1) in a molecule, and a metal foil that is laminated on the insulating layer, and in which a chromium element amount, on an exposed surface of the insulating layer exposed by an etching treatment of the copper-clad laminate is 7.5 at % or less with respect to a total element amount on the exposed surface, and ten-point average roughness of the exposed surface is 2.0 μm or less. In Formula (1), Z represents an arylene group, Rto Reach independently represent a hydrogen atom or an alkyl group, and Rto Reach independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

Copper-clad laminate, wiring board, and copper foil with resin

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 Rto Reach independently represent a hydrogen atom or an alkyl group.

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, Rto Reach independently represents a hydrogen atom or an alkyl group, and Rto Reach independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

Prepreg, metal-clad laminate, and wiring board

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, Rto Reach independently represent a hydrogen atom or an alkyl group, and Rto Reach independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

Resin composition, prepreg, resin-equipped film, resin-equipped metal foil, metal-cladded layered sheet, and wiring board

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.

Copper-clad laminate plate, resin-attached copper foil, and circuit board using same

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.

A surface treated copper foil includes: a copper foil; a finely roughened particle treatment layer of copper on at least one surface of the copper foil, the finely roughened particle treatment layer including fine copper particles having a particle size of 40 to 200 nm; a heat resistance treatment layer containing nickel on the finely roughened particle treatment layer; a rust prevention treatment layer containing at least chromium on the heat resistance treatment layer; and a silane coupling agent treatment layer on the rust prevention treatment layer. An amount of nickel attached in the heat resistance treatment layer is 30 to 60 mg/m2.

Surface-treated copper foil, and copper-clad laminate plate, resin-attached copper foil and circuit board each using same

A prepreg includes a resin composition or a semi-cured product of the resin composition, and a glass cloth, wherein 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, a content of the modified polyphenylene ether compound is 40 to 90 mass % with respect to a total mass of the modified polyphenylene ether compound and the crosslinkable curing agent, a cured product of the resin composition has a relative permittivity of 2.6 to 3.8, the glass cloth has a relative permittivity of 4.7 or less and a dielectric loss tangent of 0.0033 or less, and a cured product of the prepreg has a relative permittivity of 2.7 to 3.8 and a dielectric loss tangent of 0.002 or less.

A metal-clad laminate includes an insulating layer including a cured product of a resin composition, and a metal foil disposed on at least one principal surface of the insulating layer. The resin composition includes a thermosetting curing agent and a polyphenylene ether copolymer. The polyphenylene ether copolymer has an intrinsic viscosity ranging from 0.03 dl/g to 0.14 dl/g, inclusive. The intrinsic viscosity is measured in methylene chloride at 25&#xb0; C. And the polyphenylene ether copolymer has, at a molecular terminal, a group represented by one of formula (1) and formula (2) at an average number of more than or equal to 0.8 and less than 1.5 per one molecule. Further, the metal foil includes a barrier layer containing cobalt on a first surface of the metal foil. The first surface is in contact with the insulating layer, and has a ten-point average roughness (Rz) of less than or equal to 2.0 &#x3bc;m. In formula (1), Rrepresents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and Rrepresents an alkylene group having 1 to 10 carbon atoms. In formula (2), Rrepresents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. 

Metal-clad laminate, printed wiring board and metal foil with resin

A metal-clad laminate includes an insulating layer including a cured product of a resin composition, and a metal foil disposed on a principal surface of the insulating layer. The resin composition includes a polyphenylene ether copolymer and a thermosetting curing agent, the polyphenylene ether copolymer having an intrinsic viscosity measured in methylene chloride at 25&#xb0; C. of between 0.03 dl/g and 0.12 dl/g, inclusive. And the polyphenylene ether copolymer has, at a molecular terminal, a group represented by formula (1) or formula (2) at an average number of 1.5 to 3 per one molecule. Further, the metal foil has a first surface that is in contact with the insulating layer, the first surface having a 10-point average roughness (Rz) of 2.0 &#x3bc;m or less. And the metal foil includes a barrier layer disposed at a side of the first surface, the barrier layer containing cobalt. 

Metal-clad laminate and metal foil with resin

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 Rto Reach independently represent a hydrogen atom or an alkyl group.

Resin composition, prepreg, resin-added film, resin-added metal foil, metal-clad layered plate, and wiring plate

A metal-clad laminate includes: a cured insulating layer including a polyphenylene ether compound; a metal layer joined with the insulating layer; and an intermediate layer interposed between the insulating layer and the metal layer, the intermediate layer including a silane compound. The metal layer has a junction surface that is joined with the insulating layer via the intermediate layer. The junction surface has a ten-point average roughness Rz ranging from 0.5 &#x3bc;m to 4 &#x3bc;m inclusive.

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Osaka, Japan

Yuki Kitai