Patent ID: 6132929
Filing Date: 2000-10-17
Classification: B41C,Y10S

Abstract:
A positive type photosensitive composition for infrared lasers comprising at least one aqueous alkaline solution-soluble polymer compound having at least one of the following functional groups (a-1) to (a-3):(a-1) a phenolic hydroxyl group,(a-2) a sulfonamide group and(a-3) an active imide groupand a compound represented by either of the following general formulae I-(1) and I-(2): ##STR56## wherein, A represents ##STR57## (wherein, k represents 1 or 2); B represents ##STR58## (wherein, k represents 1 or 2); and an aromatic ring may be substituted with a lower alkyl group, lower alkoxy group, halogen atom or hydroxyl group; R.sub.1 to R.sub.8 each independently represents a hydrogen atom, halogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted alkenyl group, substituted or unsubstituted aralkyl group, or substituted or unsubstituted alkynyl group; and R.sub.1 and R.sub.2, R.sub.3 and R.sub.4, R.sub.5 and R.sub.6, or R.sub.7 and R.sub.8, may form together with N a substituted or unsubstituted five-membered ring, substituted or unsubstituted six-membered ring, or substituted or unsubstituted seven-membered ring; and X.sup.- represents an anion.