Patent ID: 6790587
Filing Date: 2004-09-14
Classification: C08F,G03F,Y10S

Abstract:
A photoresist comprising:(a) a fluorine-containing polymer comprising a repeat unit derived from at least one ethylenically unsaturated compound containing a fluoroalcohol functional group having the structure: â€”C(Rf)(Rfâ€²)OH â€ƒwherein Rf and Rfâ€² are the same or different fluoroalkyl groups of from 1 to 10 carbon atoms or taken together are (CF2)n wherein n is 2 to 10; and (b) at least one photoactive component; â€ƒwherein the fluorine-containing polymer has an absorption coefficient of less than 2.5 &mgr;mâˆ’1 at a wavelength of 157 nm.