Quartz marking system

Details Quartz marking system Quartz marking system

1994-05-23

1996-10-01

Bueker, Richard

Coating apparatus

Work holders, or handling devices

118728, 118729, 2064595, C23C 1600

Patent

active

055607756

ABSTRACT:
The invention provides an improved apparatus for supporting a workpiece during the manufacturing process involving the workpiece. The apparatus includes a holding device for maintaining the workpiece in a predetermined orientation during performance of the manufacturing process. The holding device includes a plurality of members. The improvement comprises at least one member of the plurality of members including a plurality of indicators arranged in a predetermined order to establish an identifying code. Each indicator of the plurality of indicators absorbs a predetermined portion of incident light.

REFERENCES:
patent: 5442561 (1995-08-01), Yoshizawa
patent: 5445271 (1995-08-01), Kakizaka

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