NEGATIVE CONTRAST PHOTORESIST DEVELOPABLE BY BASE
PURPOSE: To ensure satisfactory contrast and sensitivity by using an arom. hydroxy substd. polymer, a radiation-degradable acid generating agent and a crosslinking agent having two epoxy groups per one molecule. CONSTITUTION: This photoresist contains polyhydroxystyrene, especially poly-p- hydroxyst...
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| creator | JIEFURII DONARUDO JIEROOMU UIRAADO AARU KONREE JIYUNIA UEIN MAATEIN MOROO SUTANREE YUUJIIN PEROORUTO ROBAATO RABIN UTSUDO GEERII TOMASU SUPINITSURO |
| description | PURPOSE: To ensure satisfactory contrast and sensitivity by using an arom. hydroxy substd. polymer, a radiation-degradable acid generating agent and a crosslinking agent having two epoxy groups per one molecule. CONSTITUTION: This photoresist contains polyhydroxystyrene, especially poly-p- hydroxystyrene or novolak such as m-cresol novolak or bisphenol A novolak as an arom. hydroxy substd. polymer, a metallic or nonmetallic onium salt or a nonmetallic precursor of sulfonic acid generating the strong acid when exposed with radiation as a radiation-degradable acid generating agent and an epoxide-contg. compd. having two epoxy groups and crosslinking the hydroxy substd. polymer in the presence of the acid generated under radiation. Satisfactory contrast is ensured without reducing sensitivity. |
| format | Patent |
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| subjects | APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEMICONDUCTOR DEVICES |
| title | NEGATIVE CONTRAST PHOTORESIST DEVELOPABLE BY BASE |
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