Insulating-film forming material and insulating film using...

Details Insulating-film forming material and insulating film using... Insulating-film forming material and insulating film using...

2006-12-05

2006-12-05

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S086000, C528S125000, C528S167000, C528S403000, C528S410000, C525S390000, C428S411100

Reexamination Certificate

active

07144970

ABSTRACT:
An insulating-film forming material comprising a resin (A) that has a structure represented by formula (I):wherein Y1, Y2, Ar1and Ar2are the same or different; each of Y1, Y2, Ar1and Ar2represents an aromatic ring-containing divalent organic group; at least one of Y1and Y2is a divalent aromatic polycyclic group having a specific structure; m and n each indicates a molar percentage of the repeating units; and m falls between 0 and 100 with (m+n)=100.

REFERENCES:
patent: 5658994 (1997-08-01), Burgoyne, Jr. et al.
patent: 6124421 (2000-09-01), Lau et al.
patent: 6303733 (2001-10-01), Lau et al.
patent: 2003/0060591 (2003-03-01), Yoshida et al.
patent: 0 755957 (1997-01-01), None

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