Rasterizer for pattern generator

A rasterizer, particularly suited for generating patterns for semiconductor masks and the like is described. An 8x8 array uses RAS, CAS and WE signals in addition to the memory address for accessing the array. A state machine is used to convert the pattern data (e.g., type of object orientation, etc...

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Bibliographische Detailangaben
Hauptverfasser:	GREEN, MORRIS H, TEITZEL, ROBIN L, JOLLEY, MATTHEW J, GOODMAN, ALLAN L, WIPFLI, JOHN L
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING APPARATUS SPECIALLY ADAPTED THEREFOR ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING CINEMATOGRAPHY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING ELECTROGRAPHY HOLOGRAPHY INFORMATION STORAGE MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEALS STATIC STORES
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Beschreibung
Zusammenfassung:	A rasterizer, particularly suited for generating patterns for semiconductor masks and the like is described. An 8x8 array uses RAS, CAS and WE signals in addition to the memory address for accessing the array. A state machine is used to convert the pattern data (e.g., type of object orientation, etc.) into accessing data with the WE generator being driven through a ROM.