Subsurface glass reticles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 24, 2013
Issued Date -
N/A
app pub date -
Feb 17, 2010
filing date -
Feb 17, 2010
priority date (Note) -
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Abstract
An optical instrument for light incoming along a principal optical axis includes a glass block and a subsurface object within the glass block. The subsurface object includes an arrangement of object marks. Each object mark includes a plurality of scattering layers stacked against the principal optical axis of the incoming light. First and second scattering layers of the plurality of scattering layers have different polarization responses.
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