Radiation imagery chemistry: process – composition – or product th – Imaged product – Multilayer
Patent
1987-06-12
1989-11-21
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Imaged product
Multilayer
430280, 430 18, 430271, 430275, 522170, 428195, 428201, 428901, 428209, 428332, 428220, 174 685, 361379, 361412, G03C 172, A01B 900, H02B 100
Patent
active
048822450
ABSTRACT:
A photocurable composition which is useful as a permanent resist in the manufacture of printed circuit boards and packages of such boards comprises a multifunctional epoxidized resin, a reactive diluent, a cationic photoinitiator and, optionally, an exposure indicator, a coating aid and a photosensitizer.
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Cox Robert J.
Gelorme Jeffrey D.
Gutierrez Sergio A. R.
Beckstrand Shelley M.
Hamilton Cynthia
International Business Machines - Corporation
Klitzman Maurice H.
Michl Paul R.
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