Positive photosensitive composition

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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Details

430906, 430914, 430917, 430919, 430921, 522 31, B03C 1492, C08F 246

Patent

active

059452501

ABSTRACT:
A photosensitive composition containing a sulfonium or iodonium salt resin having a specific repeating structural units has good solubility in solvents and high photosensitivity, are capable of giving an excellent resist pattern, and change little with time after exposure.

REFERENCES:
patent: 4650734 (1987-03-01), Molaire et al.
patent: 5310619 (1994-05-01), Crivello et al.
patent: 5346803 (1994-09-01), Crivello et al.
patent: 5550004 (1996-08-01), Honda
Lamola, A.A., et al, Chemically Amplified Resists, Solid State Technology, Aug. 1991, pp. 53-60.

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