A PROCESS OF IMAGING A DEEP ULTRAVIOLET PHOTORESIST WITH A TOP COATING
The present invention relates to a process for imaging deep ultraviolet (uv) photoresists with a topcoat using deep uv immersion lithography. The invention further relates to a topcoat composition comprising a polymer with at least one ionizable group having a pKa ranging from about -9 to about 11....
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| creator | DAMMEL, Ralph, R SAKAMURI, Raj ROMANO, Andrew, R HOULIHAN, Francis, M |
| description | The present invention relates to a process for imaging deep ultraviolet (uv) photoresists with a topcoat using deep uv immersion lithography. The invention further relates to a topcoat composition comprising a polymer with at least one ionizable group having a pKa ranging from about -9 to about 11. The invention also relates to a process for imaging a photoresist with a top barrier coat to prevent contamination of the photoresist from environmental contaminants. |
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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS |
| title | A PROCESS OF IMAGING A DEEP ULTRAVIOLET PHOTORESIST WITH A TOP COATING |
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