Radiation imagery chemistry: process – composition – or product th – Stripping process or element – Forming nonplanar image
Reexamination Certificate
2005-01-18
2005-01-18
Hamilton, Cynthis (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Stripping process or element
Forming nonplanar image
C430S260000, C430S280100
Reexamination Certificate
active
06844130
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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Publication No. 09255741, publication date Sep. 30, 1997, Applicant Tamura Kaken KK, one page English Abstract of JP 09-25574 copyright 1997 Patent Abstracts of Japan, JPO(presented by applicants).*
Machine Translation into English from Japanese Patent Office website www19.ipdl.jpo.go.jp of JP 09-255741, 28 pages submitted by applicant.*
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Kameyama Atsushi
Kusama Masatoshi
Nishikubo Tadatomi
Onodera Seiya
Sasaki Masaki
Hamilton Cynthis
Kanagawa University
Rader & Fishman & Grauer, PLLC
Taiyo Ink Manufacturing Co., Ltd.
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