Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2005-08-23
2005-08-23
Pham, Hai (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
Reexamination Certificate
active
06933958
ABSTRACT:
A member to be recognized for alignment is disposed in an object to be set in position and having formed therein a mark for image-wise recognition. The member is made up of a member main body formed substantially in a columnar shape and having a mirror-finished front end surface. The mark is formed into a depressed shape in substantially central part of the front end surface of the member main body.
REFERENCES:
patent: 5946584 (1999-08-01), Ishikiriyama
patent: 6702419 (2004-03-01), Stoessel et al.
patent: 2003/0013340 (2003-01-01), Martin et al.
patent: 2003/0063154 (2003-04-01), Goto
patent: 03183116 (1991-08-01), None
Nakamura Shin-ichi
Yamada Yoshiaki
Pham Hai
Seiko Epson Corporation
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