Patent ID: 11934100
Assignee: SHIN-ETSU CHEMICAL CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A composition for forming a silicon-containing resist underlayer film, comprising:
a compound shown by the following general formula (A-1); and
a thermally crosslinkable polysiloxane,, , wherein R1 represents a methyl group, an ethyl group, a propyl group, an allyl group, or a propargyl group; R2 represents a hydrogen atom, an acetyl group, an acryloyl group, a methacryloyl group, a benzoyl group, a naphthoyl group, or an anthranoyl group; and R3 represents a methyl group, an ethyl group, a propyl group, an allyl group, a propargyl group, or a group shown by the following general formula (A-2),, , wherein a broken line represents a bonding arm; and R1 and R2 are as defined above.