Aqueous developer solution having hydroxy-alkyl piperidine for p

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

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430192, 430193, 43027015, 430331, G03C 530

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active

RE0352179

ABSTRACT:
An aqueous developer solution contains, as a water-soluble basic compound, a compound of the general formula (I) ##STR1## where R.sup.1 to R.sup.5 are identical or different and are each H, OH, hydroxyalkyl, alkoxy or alkyl.
It is suitable for developing positive-working photoresists.

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Novolak Resins used in Positive Resist Systems, T. R. Pampalone Solid State Technology, Jun. 1984 pp. 115-120.
Evaluations of Pure Novolak Cresol-Formaldehyde Resins for Deep U.V. Lithography, Gipstein et al. J. Chem. Soc. Jan. 1982 pp. 201-205.

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