Optics: measuring and testing – Angle measuring or angular axial alignment – Alignment of axes nominally coaxial
Patent
1998-05-18
2000-02-15
Font, Frank G.
Optics: measuring and testing
Angle measuring or angular axial alignment
Alignment of axes nominally coaxial
G01B 1126
Patent
active
060259086
ABSTRACT:
The present invention includes a diffractive optic and an illuminator for illuminating the diffractive optic. The illuminated diffractive optic forms a reticle image which is projected onto the optical elements to be aligned.
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Font Frank G.
Shaw Brian B.
Stafira Michael P.
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