Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1985-12-16
1988-02-02
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430156, 430165, 430166, 430167, 430197, 430270, 430272, 430280, 430281, 430296, 430313, 430323, 430325, 430326, 430966, 430967, G03C 160, G03C 171
Patent
active
047228814
ABSTRACT:
This invention relates to a radiation-sensitive composition having resistance to oxygen reactive-ion etching and a process for forming a pattern by using the same.
The radiation-sensitive composition of this invention comprises a mixture of cis-(1,3,5,7-tetrahydroxy)-1,3,5,7-tetraphenylcyclotetrasiloxane and a polysilsesquioxane, said mixture containing 5 to 100 wt. % of cis-(1,3,5,7-tetrahydroxy)-1,3,5,7-tetraphenylcyclotetrasiloxane, and a resist containing a phenolic resin soluble in an aqueous alkali solution.
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Conant, D. H., Research Disclosure, #13147, 3/1975, pp. 52-53.
Hayashi Nobuaki
Nishida Takashi
Shiraishi Hiroshi
Ueno Takumi
Bowers Jr. Charles L.
Hitachi , Ltd.
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