Method for fabricating 3-D structures with smoothly-varying topographic features in photo-sensitized epoxy resists

A method utilizing gray-tone exposure of a class of thick negative photo-sensitized epoxy resists from the substrate side of a transparent substrate and development methods that rely upon a physical distinction between polymerized (solid) and unpolymerized (liquid) photoresist at elevated temperatur...

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Bibliographische Detailangaben
1. Verfasser:	AFROMOWITZ MARTIN A
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	A method utilizing gray-tone exposure of a class of thick negative photo-sensitized epoxy resists from the substrate side of a transparent substrate and development methods that rely upon a physical distinction between polymerized (solid) and unpolymerized (liquid) photoresist at elevated temperatures may be used to fabricate 3-D structures in the photo-sensitized epoxy. Such structures may exhibit smoothly-varying topographic features with thicknesses as great as 2 mm.