Lithographic systems and methods with extended depth of focus

Apparatus for increasing the depth of focus in a lithographic system, comprising: optics for imaging a reticle or photomask onto a lithographic recording medium having a threshold of exposure; a pupil plane function that alters the aerial image of the lithographic imaging system such that part of th...

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Bibliographische Detailangaben
1. Verfasser:	DOWSKI EDWARD RAYMOND JR.,JOHNSON GREGORY E.,KUBALA KENNETH SCOTT,WADE THOMAS CATHEY JR
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY CONVERSION OF CHEMICAL ELEMENTS ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR NUCLEAR ENGINEERING NUCLEAR PHYSICS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS RADIOACTIVE SOURCES
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