Photosensitive composition

Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...

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430165, 430167, 430191, 430192, 430197, 430325, 430326, 430330, 430331, G03C 160, G03C 1727

Patent

active

047925167

ABSTRACT:
A photosensitive composition comprising (a) a photosensitive component such as an aromatic diazo compound or an aromatic azide, (b) a polymer and (c) a quaternary alkylammonium salt wherein each straight- or branched-chain alkyl group has 1 to 7 carbon atoms is suitable for producing a positive type or negative type photresist excellent in contrast and sensitivity in the microlithography of semiconductor elements.

REFERENCES:
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patent: 4423138 (1983-12-01), Guild
patent: 4500629 (1985-02-01), Irving et al.
patent: 4546066 (1985-10-01), Field et al.
patent: 4565768 (1986-01-01), Nonogaki et al.
patent: 4696891 (1987-09-01), Guzzi
patent: 4728594 (1988-03-01), Nonogaki et al.
Nonogaki, S. et al., SPIE vol. 539 Advances in Resist Technology and Processing II, 1985, pp. 189-193.
West, P. R. et al., ACS Polymer Preprints 26(2), pp. 337-338, 1985.
Iwayanogi, T. et al., IEEE Transactions on Electron Devices, vol. Ed-28, No. 11, 11/1981, pp. 1306-1310.

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