Optics: measuring and testing – Inspection of flaws or impurities – Surface condition
Reexamination Certificate
2006-03-28
2009-02-10
Lauchman, L. G (Department: 2877)
Optics: measuring and testing
Inspection of flaws or impurities
Surface condition
C356S237100
Reexamination Certificate
active
07489394
ABSTRACT:
An apparatus for inspecting a disk-like object comprising at least one first module for inspecting a surface of the disk-like object and at least one second module insertable in the apparatus. The at least one second module is arranged to inspect a different element of the disk-like object than the surface of the disk-like object.
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Krieg Thomas
Wienecke Joachim
Lauchman L. G
Simpson & Simpson PLLC
Underwood Jarreas C
Vistec Semiconductor Systems GmbH
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