Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1999-03-10
2000-10-17
Baxter, Janet
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
4302811, 430908, 430910, 430 18, 430325, 430330, G03C 1725, G03C 173, G03C 556
Patent
active
061329371
ABSTRACT:
Disclosed are a photocurable composition which is developable with an aqueous alkaline solution and such calcined patterns as a conductor pattern, a vitreous dielectric pattern, and a fluorescent pattern which are obtained by the use of the photocurable composition. The photocurable composition comprises (A) an alkali-soluble macromolecular binder having a weight-average molecular weight in the range of 5,000 to 100,000 and an acid value in the range of 50 to 150 mg KOH/g and obtained by causing (c) an organic acid possessing one carboxyl group and no ethylenically unsaturated bond in its molecule to react with the glycidyl group of a copolymer of (a) a compound possessing an ethylenically unsaturated bond and possessing neither hydroxyl group nor acidic group and (b) glycidyl (meth)acrylate and then causing (d) a polybasic acid anhydride to react with the resultant secondary hydroxyl group, (B) an inorganic powder, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) an organic solvent. The composition may be in the form of paste or in the form of a dry film. When the photocurable composition is in the form of paste, the paste is applied to a substrate and then dried to form a film. When the photocurable composition is in the form of a dry film, the film is laminated on the substrate. A calcined pattern of high fineness is obtained by patterning the superposed layer of the composition by selective exposure to light and development, and thereafter calcining the patterned film.
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Baxter Janet
Kananen Ronald P.
Lee Sin J.
Taiyo Ink Manufacturing Co., Ltd.
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