Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Reexamination Certificate
2008-05-27
2008-05-27
Hamilton, Cynthia (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
C430S012000, C430S280100
Reexamination Certificate
active
07378228
ABSTRACT:
A printed circuit board comprising an insulating layer prepared with the aid of a positive type photosensitive epoxy resin composition comprising (a) an epoxy resin having two or more epoxy groups in one molecule; (b) a modified phenolic resin having a triazine ring, (c) a latent basic curing agent, and (d) a photosensitive acid generator.
REFERENCES:
patent: 4556628 (1985-12-01), Greschner et al.
patent: 0933681 (1999-08-01), None
patent: 1998-013546 (1998-04-01), None
Nojima Yasuharu
Sugano Yasuaki
Hamilton Cynthia
Huntsman Advanced Materials Americas Inc.
LandOfFree
Positive type photosensitive epoxy resin composition and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Positive type photosensitive epoxy resin composition and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Positive type photosensitive epoxy resin composition and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2784710