Apparatus for determining optical surface properties of...

Details Apparatus for determining optical surface properties of... Apparatus for determining optical surface properties of...

2011-07-05

2011-07-05

Evans, F. L (Department: 2877)

Optics: measuring and testing

By shade or color

C356S601000, C356S445000, C356S446000, C356S237200

Reexamination Certificate

active

07973932

ABSTRACT:
The invention relates to an apparatus for determining optical surface properties of workpieces, comprising a housing, in the interior of which there is provided a carrier on which the workpiece be arranged, and comprising a radiation device which directs radiation onto the workpiece in a predefined emission direction (E). According to the invention, the housing has in at least one wall an observation opening, through which a region of the workpiece illuminated by the radiation device can be observed in a predefined observation direction (B).

REFERENCES:
patent: 3519360 (1970-07-01), Kudlek
patent: 5189490 (1993-02-01), Shetty et al.
patent: 5825499 (1998-10-01), Biedermann
patent: 6204923 (2001-03-01), Willing
patent: 7468800 (2008-12-01), Schwarz et al.
patent: 2005/0018191 (2005-01-01), Luo et al.
patent: 10 2005 025 291 (2006-12-01), None

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