Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2006-08-29
2006-08-29
Hamilton, Cynthia (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S311000, C430S317000, C430S318000, C430S319000, C430S330000
Reexamination Certificate
active
07097958
ABSTRACT:
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; and a preferably multilayered printed circuit board of buildup mode using said composition as an insulating layer.
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Nojima Yasuharu
Sugano Yasuaki
Brown Ron D.
Hamilton Cynthia
Holthus Robert
Huntsman Advanced Materials Americas Inc.
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