Patent ID: 11914295
Assignee: SHIN-ETSU CHEMICAL CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  C | IPC C  G

Claim 3:
4. The composition for forming a silicon-containing resist underlayer film for EUV lithography according to claim 2, further comprising at least one compound shown by the following general formula (P-0):, , wherein R300 represents a divalent organic group substituted with one or more fluorine atoms; R301 and R302 each independently represent a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero atom or optionally containing a hetero atom; R303 represents a linear, branched, or cyclic divalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero atom or optionally containing a hetero atom; R301 and R302, or R301 and R303, are optionally bonded to each other to form a ring with a sulfur atom in the formula; and L304 represents a single bond or a linear, branched, or cyclic divalent hydrocarbon group having 1 to 20 carbon atoms optionally substituted with a hetero atom or optionally containing a hetero atom.