Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1996-12-10
2000-02-22
Le, N.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347262, 369 58, 369 4426, 369116, G11B 7013
Patent
active
060286202
ABSTRACT:
A method and apparatus for forming machine readable code on an optical information storage disk is provided. The code is formed by periodically pulsing a laser along a path and directing the laser pulse to a preselected point. The laser pulse is adjusted to a preselected spot length and width. A prerecorded optical disk is placed in the path of said laser pulse at said preselected point. The disk is then selectively moved relative to the laser upon each pulse of the laser so that a machine readable mark is made at a different location in the program area of optical information storage disk upon each laser pulse to form a preselected machine readable code.
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Le N.
Pham Hai C.
Photonics Industries Internatinal, Inc.
Quinton, Esq James A.
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