Patent ID: 11880135
Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Field: Optics (Instruments)
Classification: CPC G  C | IPC C  G

Claim 0:
1. A radiation-sensitive composition comprising:
a photoacid generator;
a quencher that has the structure of formula (1), , wherein R3 to R6 can be the same or different and are substituted or unsubstituted alkyls having 1 to 10 carbon atoms and wherein R is a radical or a substituted or unsubstituted alkyl having 1 to 10 carbon atoms, wherein R7 is a group having the structure of formula (2):, , where X is a hydrogen atom or comprises carbonyl group, an ester group, a carbonate group, an amine group, an amide group, a urea group, a sulfate group, a sulfone group, a sulfoxide group, an N-oxide group, a sulfonate group, a sulfonamide group, or a combination thereof, a substituted or unsubstituted C6 to C14 aryl group, or C3 to C12 heteroaryl group, wherein the substitution is halogen, hydroxyl, cyano, nitro, C1 to C12 alkyl group, C1 to C12 haloalkyl group, C1 to C12 alkoxy group, C3 to C12 cycloalkyl group, amino, C2-C6 alkanoyl, carboxamido, a substituted or unsubstituted C6 to C14 aryl group, or C3 to C12 heteroaryl group; wherein n is 1 or 2;
an acid labile polymer formed from monomers comprising a vinyl aromatic monomer and a monomer comprising an acid decomposable group; wherein the acid decomposable group is a tertiary alkyl ester group; and
a solvent.