Abstract:
The present invention relates to an organic silicone resin composition and a prepreg, a laminate, and an aluminum substrate that use the composition. The organic silicone resin composition comprises in terms of parts by weight: 100 parts of a condensation-type silicone resin, 0.0001-2 parts of a catalyst, and 0.001-10 parts of an additive. The organic silicone resin composition has the advantages of high heat resistance, halogen-free and phosphorus-free flame retardancy, improved peel strength with copper foil, and low coefficient of expansion, and is applicable in manufaturing the pre-preg, the laminate, and the aluminum substrate for used in a high-performance printed circuit.
Abstract:
The present invention relates to an organic silicone resin composition and a prepreg, a laminate, and an aluminum substrate that use the composition. The organic silicone resin composition comprises in terms of parts by weight: 100 parts of a condensation-type silicone resin, 0.0001-2 parts of a catalyst, and 0.001-10 parts of an additive. The organic silicone resin composition has the advantages of high heat resistance, halogen-free and phosphorus-free flame retardancy, improved peel strength with copper foil, and low coefficient of expansion, and is applicable in manufaturing the pre-preg, the laminate, and the aluminum substrate for used in a high-performance printed circuit.
Abstract:
A copper foil composite comprising a copper foil and a resin layer laminated thereon, satisfying an equation 1: (f 3 x t 3 )/(f 2 x t 2 ) => 1 wherein t 2 (mm) is a thickness of the copper foil, f 2 (MPa) is a stress of the copper foil under tensile strain of 4%, t 3 (mm) is a thickness of the resin layer, f 3 (MPa) is a stress of the resin layer under tensile strain of 4%, and an equation 2:1
Abstract:
A copper foil composite comprising a copper foil and a resin layer laminated, the copper foil containing at least one selected from the group consisting of Sn, Mn, Cr, Zn, Zr, Mg, Ni, Si and Ag at a total of 30 to 500 mass ppm, a tensile strength of the copper foil having of 100 to 180 MPa, a degree of aggregation I200/I 0 200 of a (100) plane of the copper foil being 30 or more, and an average grain size viewed from a plate surface of the copper foil being 10 to 400 µm.
Abstract:
A copper foil composite comprising a copper foil and a resin layer laminated, the copper foil containing at least one selected from the group consisting of Sn, Mn, Cr, Zn, Zr, Mg, Ni, Si and Ag at a total of 30 to 500 mass ppm, a tensile strength of the copper foil having of 100 to 180 MPa, a degree of aggregation I200/I 0 200 of a (100) plane of the copper foil being 30 or more, and an average grain size viewed from a plate surface of the copper foil being 10 to 400 µm.
Abstract:
A copper foil composite comprising a copper foil and a resin layer laminated thereon, wherein equation 1:(f 3 x t 3 )/(f 2 x t 2 ) => 1 is satisfied when t 2 (mm) is a thickness of the copper foil, f 2 (MPa) is a stress of the copper foil under tensile strain of 4%, t 3 (mm) is a thickness of the resin layer, f 3 (MPa) is a stress of the resin layer under tensile strain of 4%, and equation 2:1 1 /(F x T) is satisfied when f 1 (N/mm) is 180° peeling strength between the copper foil and the resin layer, F(MPa) is strength of the copper foil composite under tensile strain of 30%, and T (mm) is a thickness of the copper foil composite.
Abstract:
Disclosed is an epoxy resin composition which is capable of forming a cured product having a low dielectric constant and a dielectric loss tangent in a high frequency range. Also disclosed is a film obtained by using such an epoxy resin composition. The epoxy resin composition contains (A) one or more epoxy resins selected from the group consisting of novolac epoxy resins having a phenol skeleton and a biphenyl skeleton and bifunctional linear epoxy resins having a hydroxyl group with a weight average molecular weight of 10,000-200,000, and (B) a modified phenol novolac wherein at least a part of a phenolic hydroxyl group is esterified with a fatty acid.
Abstract:
A hole formed in a material sheet is provided with a conductive portion. A metal foil is arranged on the surface of the material sheet, thereby obtaining a laminate sheet. A circuit-forming board is obtained by hot pressing the laminate sheet. The surface of the metal foil has a pressure absorbing portion whose thickness is changed by the applied pressure and a hard portion arranged adjacent to the pressure absorbing portion. By using this circuit-forming board, there can be obtained a high-density, excellent-quality circuit board having improved reliability in electrical connection.