Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stefan Funk0
Christian Baeuml0
Peter Speckbacher0
Date of Patent
October 9, 2018
0Patent Application Number
152794390
Date Filed
September 29, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical layer system for a position-measuring device includes at least first, second and third functional surfaces disposed on a surface of a transparent substrate. Each of the functional surfaces have a different optical function. The functional surfaces are composed of a first layer stack and a second layer stack.
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