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US 2023/0333469 A1Published application
Film forming composition for lithography, resist pattern formation method, and circuit pattern formation method
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsTakashi SATO, Tadashi OMATSU, Takashi MAKINOSHIMA, Masatoshi ECHIGO
Life of this patent
Estimating the term…
Abstract
The present invention provides a film forming composition for lithography containing at least one selected from a compound having a predetermined structure and a resin obtained using the compound as a monomer.
Claims13
A film forming composition for lithography comprising at least one selected from:
- a compound represented by general formula (1);
- a compound represented by general formula (3);
- a compound represented by formula (4);
- a compound represented by formula (5);
- and a resin obtained using the compound represented by formula (4) or the compound represented by formula (5) as a monomer,
- wherein
- R each independently represents an aromatic group having 6 to 36 carbon atoms and optionally having a substituent or a heteroatom;
- X each independently represents an alkanediyl group having 2 to 4 carbon atoms or alkanediylcarbonyl group having 1 to 4 carbon atoms, each of which optionally has a substituent;
- P each independently represents an alkyl group having 1 to 30 carbon atoms, aryl group having 6 to 30 carbon atoms, alkenyl group having 2 to 20 carbon atoms, or alkynyl group having 2 to 20 carbon atoms, each of which optionally has a substituent, or a hydrogen atom, a crosslinkable group, or a dissociable group;
- and
- m each independently represents an integer of 1 to 6 and n each independently represents an integer of 0 to 4,
- wherein
- R each independently represents an aromatic group having 6 to 36 carbon atoms and optionally having a substituent or a heteroatom;
- Rc each independently represents a single bond, a linear or branched alkylene group having 1 to 20 carbon atoms and optionally having a substituent, or an arylene group having 1 to 20 carbon atoms and optionally having a substituent;
- X each independently represents an alkanediyl group having 2 to 4 carbon atoms or alkanediylcarbonyl group having 1 to 4 carbon atoms, each of which optionally has a substituent;
- P each independently represents an alkyl group having 1 to 30 carbon atoms, aryl group having 6 to 30 carbon atoms, alkenyl group having 2 to 20 carbon atoms, or alkynyl group having 2 to 20 carbon atoms, each of which optionally has a substituent, or a hydrogen atom, a crosslinkable group, or a dissociable group;
- and
- m each independently represents an integer of 1 to 6 and n each independently represents an integer of 0 to 4,
- wherein
- A each independently represents an aromatic group having 6 to 10 carbon atoms;
- P each independently represents a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, a crosslinkable group, or a dissociable group;
- R1 represents an aromatic substituent having 6 to 10 carbon atoms or an alkyl group having 1 to 20 carbon atoms;
- Rx1 each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or a halogen;
- Ry1 each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or a halogen;
- and
- m represents an integer of 0 to 4 and n represents an integer of 0 to 4, and
- wherein
- A each independently represents an aromatic group having 6 to 10 carbon atoms;
- P each independently represents a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, a crosslinkable group, or a dissociable group;
- R2 represents an aromatic substituent having 6 to 10 carbon atoms or an alkyl group having 1 to 20 carbon atoms;
- Rx2 each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or a halogen;
- Ry2 each independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or a halogen;
- and
- m represents an integer of 0 to 4 and n represents an integer of 0 to 4.
31 more elements
Dependencies are inferred from the claim text.