MULTILAYER BODY, METAL FOIL-CLAD LAMINATE, MULTILAYER BODY WITH PATTERNED METAL FOIL, MULTILAYER BODY HAVING BUILDUP STRUCTURE, PRINTED WIRING BOARD, MULTILAYER CORELESS SUBSTRATE AND METHOD FOR PRODUCING SAME

Title:

Document Type and Number:

WIPO Patent Application WO/2020/045112

Kind Code:

A1

Abstract:

A multilayer body according to the present invention is obtained by sequentially stacking a first resin composition layer, a heat-resistant film layer and a second resin composition layer in this order. This multilayer body is configured such that: the first resin composition layer is in a semi-cured state (in a B-stage state); the difference between the maximum thickness and the minimum thickness of the first resin composition layer is 0.5-5 μm; the second resin composition layer is in a semi-cured state (in a B-stage state); and the difference between the maximum thickness and the minimum thickness of the second resin composition layer is 0.5-5 μm.

Inventors:

HIRANO SYUNSUKE (JP)
KATO YOSHIHIRO (JP)
OGASHIWA TAKAAKI (JP)

Application Number:

PCT/JP2019/032098

Publication Date:

March 05, 2020

Filing Date:

August 16, 2019

Export Citation:

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Assignee:

MITSUBISHI GAS CHEMICAL CO (JP)

International Classes:

B32B27/16; H01L23/14; H05K3/46

Foreign References:

JP2002307608A	2002-10-23
JP2003251757A	2003-09-09
JP2005041148A	2005-02-17
JP2005074933A	2005-03-24
JP2012045887A	2012-03-08
JP2013064078A	2013-04-11
JPS59500341A	1984-03-01
JP2003251757A	2003-09-09
JP2018161406A	2018-10-18

Other References: