Radiation imagery chemistry: process – composition – or product th – Imaged product – Multilayer
Reexamination Certificate
2007-06-05
2007-06-05
Hamilton, Cynthia (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaged product
Multilayer
C430S285100, C430S287100, C522S100000, C522S101000, C522S103000
Reexamination Certificate
active
10980190
ABSTRACT:
A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.
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Kameyama Atsushi
Kusama Masatoshi
Nishikubo Tadatomi
Onodera Seiya
Sasaki Masaki
Hamilton Cynthia
Kanagawa University
Kananen Ronald P.
Rader & Fishman & Grauer, PLLC
Taiyo Ink Manufacturing Co., Ltd.
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