Apparatus for testing matrixes

Details Apparatus for testing matrixes Apparatus for testing matrixes

1995-03-10

1996-11-26

Gonzalez, Frank

Optics: measuring and testing

By inspection with agitation or rotation

356244, 369 53, 369 54, 369 58, G01N 2184, G01N 2101, G11B 390, G11B 2736

Patent

active

055791131

ABSTRACT:
Apparatus for testing matrixes for manufacturing optical storage media, with a holding device for the matrix displaceable in a rotary manner and an opto-electronic sensing system for reading the data stored on the matrix, where between the matrix (3) and the sensing system (4) a cover (6) configured as a rigid, transparent plate moved together with the holding device (2) and the matrix (3) is provided.

REFERENCES:
patent: 4868805 (1989-09-01), Hanami et al.
patent: 5350923 (1994-09-01), Bassignana et al.

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