Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1987-11-06
1989-04-18
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
430302, 430309, G03F 726
Patent
active
048227226
ABSTRACT:
High contrast, sensitivity and bath life is obtainable by the addition of inorganic salts, preferably a carbonate, to an aqueous alkali metal base containing a carboxylated surfactant. The preferred alkali metal bases are potassium hydroxide or sodium hydroxide. The carboxylated surfactants contemplated by the invention are those encompassed with the formula:
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English Translation of West German Pat. No. 2,504,130, Fuji Photo., Published 8/1975, p. 1-22, 430-309.
Chin Roland L.
Ferguson Susan A.
Lewis James M.
Owens Robert A.
Zuba Valentine T.
Bowers Jr. Charles L.
Petrarch Systems Inc.
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