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US 8,557,144 B2Granted
Material for forming conductive antireflection film, method for forming conductive antireflection film, method for forming resist pattern, semiconductor device, and magnetic head
AssigneeFujitsu Limited
InventorJunichi Kon
Life of this patent
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Abstract
A material for forming a conductive antireflection film contains: a base resin having conductivity; a crosslinking agent; a thermal acid generator; and a solvent.
Claims6
A material for forming a conductive antireflection film, comprising:
- a base resin having conductivity;
- a crosslinking agent;
- a thermal acid generator;
- and
- a solvent,
- wherein the thermal acid generator is at least any one selected from the group consisting of methyl naphthalenesulfonate, benzyl-3-methoxycarbonylbenzenesulfonate, 2-nitroethyl benzenesulfonate, 3-acetoaminopropyl-p-toluenesulfonate, diethyl sulfate, di-n-propyl sulfate, di-n-butyl sulfate, bis(2-ethylhexyl)sulfate, dilauryl sulfate, distearyl sulfate, bis(2-phenethyl)sulfate, bis(α-naphthylmethyl)sulfate, dibenzyl sulfate, bis(2-butoxyethyl)sulfate, bis(2-phenoxyethyl)sulfate, bis(2-octylthioethyl) sulfate, bis[2-(4-tolyl)thioethyl]sulfate, bis(4-nitroethyl)sulfate, bis(2-chloroethyl)sulfate, dicyclohexyl sulfate, bis(4-methylcyclohexyl)sulfate, bis(4-methoxycyclohexyl)sulfate, bis(4-butylthiocyclohexyl)sulfate, 2-nitrobenzyl tosylate, 4-nitrobenzyl tosylate, 1-trifluoromethyl-6-nitrobenzyl-4-chlorobenzene sulfonate, 2-trifluoromethyl-6-nitrobenzyl-4-nitrobenzene sulfonate, and 2-butynyl tetramethylene sulfonium hexafluoroantimonate, and
- wherein the base resin comprises at least one selected from the group consisting of an aniline-2-methoxy-5-propyloxy-3-sulfonate polymer and a 3-amino-4-methoxybenzene sulfonate/3-amino-4-methylbenzene sulfonate (60/40) copolymer.
4 more elements
Dependencies are inferred from the claim text.