Positive radiation-sensitive mixture, and radiation-sensitive re

Details Positive radiation-sensitive mixture, and radiation-sensitive re Positive radiation-sensitive mixture, and radiation-sensitive re

1990-03-12

1993-06-08

Brammer, Jack P.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430306, 430315, 430326, 522 65, G03C 1492

Patent

active

052178439

ABSTRACT:
A positive radiation-sensitive mixture is disclosed which contains a compound which forms an acid under the action of high-energy radiation, and an acid-cleavable compound, wherein the compound which forms an acid contains aliphatically bound halogen (chlorine or bromine) and has a pK.sub.a value of less than about 12 or is a derivative of a compound having such a pK.sub.a value which can be converted into the free compound by acid catalysis. A positive recording material and a process for recording high-energy radiation using the material are also disclosed. The mixture, and in particular the recording material produced therefrom, has relatively high sensitivity and improved resolution and, in addition, does not exhibit image fogging after development.

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