ELECTRON BEAM ADJUSTMENT METHOD AND OPTICAL DISK MASTER DRAWING DEVICE USING THIS METHOD

PROBLEM TO BE SOLVED: To provide an electron beam adjustment method to create a highly precise focus mark which has a high coaxial level with a center of rotation of a rotary table and uniform groove depth on a substrate which forms a focus mark, and an optical disk master drawing device using this...

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Bibliographische Detailangaben

1. Verfasser:	MURAYAMA NOBORU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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