Phenylacetates and their use in radiation sensitive compositions

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430170, 430176, G03F 7004

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active

054767512

ABSTRACT:
The invention relates to compounds of formula I ##STR1## wherein A is a radical of formula ##STR2## R.sub.1 and R.sub.2 are each independently of the other hydrogen, C.sub.1 --C.sub.4 alkyl, C.sub.1 C.sub.4 alkoxy, halogen or a radical of formula ##STR3## wherein X is --O--, --CH.sub.2 --, --C(CH.sub.3).sub.2 -- or --SO.sub.2 --, and R.sub.3 and R.sub.4 are each independently of the other hydrogen, C.sub.1 --C.sub.4 alkyl or phenyl, as well as compositions comprising these compounds.
The compositions are particularly suitable for making integrated circuits.

REFERENCES:
patent: 4888048 (1989-12-01), Stroech et al.
patent: 5034305 (1991-07-01), Nguyen-Kim et al.
patent: 5035979 (1991-07-01), Nguyen-Kim et al.
J. Kosar, "Light Sensitive Systems," John Wiley & Sons, N.Y. 1965 pp. 339-352.
J. Org. Chem. vol. 43, No. 18, 1978 pp. 3548-3552.
Stroech, et al., CA 110(25): 231,643t (1989) Abst. of DE 3,722,133.

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