Stock material or miscellaneous articles – Composite – Of silicon containing
Patent
1996-06-14
1999-11-02
Gulakowski, Randy
Stock material or miscellaneous articles
Composite
Of silicon containing
428450, 428901, 528 33, 528 43, B32B 904
Patent
active
059767030
ABSTRACT:
A material and a method for planarizing an uneven surface of a substrate, such as those used for making wiring boards and electronic devices and having broad patterns on their surfaces, are provided. The material is a polysilphenylenesiloxane or a copolymer of polysilphenylenesiloxane with an organosiloxane, and is applied to an uneven surface of a substrate, and then heated to be reflowed to thereby be formed into a planarized film or layer. The material allows a substrate containing wiring having a width of up to several hundred micrometers to be planarized.
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Fukuyama Shyun-ichi
Harada Hideki
Katayama Michiko
Nakata Yoshihiro
Ohkura Yoshiyuki
Fujitsu Limited
Gulakowski Randy
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