Onium salt, chemically amplified positive resist composition, and resist pattern forming process
An onium salt of arenesulfonic acid having a bridged ring-containing group generates a bulky acid having an appropriate strength and controlled diffusion. When a positive resist composition comprising the onium salt and a base polymer is processed by lithography, a pattern of rectangular profile hav...
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| creator | Inoue, Naoya Domon, Daisuke Watanabe, Satoshi |
| description | An onium salt of arenesulfonic acid having a bridged ring-containing group generates a bulky acid having an appropriate strength and controlled diffusion. When a positive resist composition comprising the onium salt and a base polymer is processed by lithography, a pattern of rectangular profile having high resolution and reduced LER is formed. |
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When a positive resist composition comprising the onium salt and a base polymer is processed by lithography, a pattern of rectangular profile having high resolution and reduced LER is formed.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS SPECIALLY ADAPTED THEREFOR CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON ELECTROGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS THEREFOR METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Onium salt, chemically amplified positive resist composition, and resist pattern forming process |
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