Phenolic novolak resin compositions containing 5-indanol and the

Details Phenolic novolak resin compositions containing 5-indanol and the Phenolic novolak resin compositions containing 5-indanol and the

1993-02-22

1993-10-05

Schilling, Richard L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528155, 528165, 430165, 430191, 430192, 430193, 430326, 430905, C08G 804, G03F 7023, G03F 732

Patent

active

052506533

ABSTRACT:
A phenolic novolak resin composition comprising a condensation product of at least one aldehyde source with a phenolic source comprising 5-indanol. Said phenolic novolak resins are used in radiation-sensitive compositions, especially those useful as positive-working photoresists.

REFERENCES:
patent: 3816350 (1974-06-01), Hall
patent: 3832381 (1974-08-01), Taylor et al.
patent: 3876562 (1975-04-01), Hall
patent: 3985930 (1976-10-01), Shackle
patent: 4366328 (1982-12-01), Numata et al.
patent: 4920028 (1990-04-01), Lazarus et al.
patent: 4943511 (1990-07-01), Lazarus et al.

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