Interlayer insulating film and method for producing same

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United States of America Patent

PATENT NO 11432400
APP PUB NO 20190182953A1
SERIAL NO

16324716

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Abstract

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Provided is an interlayer insulating film for a multi-layered printed wiring board, including a wiring embedding layer (A) obtained by forming a thermosetting resin composition (I) into a layer, and an adhesion assisting layer (B) obtained by forming a thermosetting resin composition (II) into a layer, in which the interlayer insulating film contains a residual solvent in an amount of 1% to 10% by mass in a total amount of the wiring embedding layer (A) and the adhesion assisting layer (B), and the residual solvent contains an organic solvent having a boiling point of 150° C. to 230° C. in an amount of 10% by mass or more in a total amount of the residual solvent.

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Patent Owner(s)

Patent OwnerAddress
RESONAC CORPORATION9-1 HIGASHI-SHIMBASHI 1-CHOME MINATO-KU TOKYO 1057325 ?1057325

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuura, Masaharu Tokyo, JP 5 37
Mizuno, Yasuyuki Tokyo, JP 26 258
Ogawa, Nobuyuki Tokyo, JP 37 327
Takanezawa, Shin Tokyo, JP 32 329

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