Patent ID: 9519216
Filing Date: 2016-12-13
CPC Classification: G03F,Y10T

Claim Text:
1. A composition, comprising: (a) at least one polybenzoxazole precursor polymer, the polybenzoxazole precursor polymer has Structure I, II, or II*: in which Ar 1 is a tetravalent aromatic group, a tetravalent heterocyclic group, or mixtures thereof; Ar 2 is a divalent aromatic or a divalent heterocyclic; Ar 3 is a divalent aromatic group, a divalent heterocyclic group, or mixtures thereof; Ar 4 is Ar 1 (OB) k 3 (OH) k 4 or Ar 2 ; x is an integer from about 4 to about 1000, y is an integer from 0 to about 500, provided that (x+y)≦1000; B is an acid sensitive group R 1 or a moiety E-O—R 2 containing an acid sensitive group R 2 , E is a divalent group which is not acid labile and makes an -E-OH moiety an aqueous base solubilizing group, E being selected from the group consisting of an aromatic group, and a heterocyclic group, provided that R 1 , in combination with the O atom attached to the Ar 1 group, is not a carbonate group; k 3 is a fractional number between 0.1 and 2, k 4 is a fractional number between 0 and 1.9 provided that (k 3 +k 4 )=2; G is a substituted or unsubstituted monovalent organic group having a carbonyl, carbonyloxy or sulfonyl group attached directly to the terminal NH of the polymer, and G* is a substituted or unsubstituted divalent organic group having at least one carbonyl or sulfonyl group attached directly to the terminal N of the polymer; (b) at least one photoacid generator; and (c) at least a first basic compound selected from the group consisting of tertiary amines of Structure XIV: in which R 30 , R 31 , and R 32 are independently selected from the group consisting of a C 1 -C 30 substituted or unsubstituted linear, branched, or cyclic alkyl, a C 3 -C 30 tertiary aminoalkyl, a C 2 -C 30 substituted or unsubstituted linear, branched, or cyclic hydroxyalkyl, a C 6 -C 30 substituted or unsubstituted aryl, and a C 1 -C 30 substituted or unsubstituted alkyl group containing at least one ether linkage, in which at least one of R 30 , R 31 , and R 32 is selected from the group consisting of a C 1 -C 30 substituted or unsubstituted cyclic alkyl, a C 3 -C 30 tertiary aminoalkyl, a C 2 -C 30 substituted or unsubstituted linear, branched, or cyclic hydroxyalkyl, a C 6 -C 30 substituted or unsubstituted aryl, and a C 1 -C 30 substituted or unsubstituted alkyl group containing at least one ether linkage, and not all of R 30 , R 31 , and R 32 are a C 6 -C 30 substituted or unsubstituted aryl; wherein the acid sensitive group R