Interferometric surface inspection machine designed to support a

Details Interferometric surface inspection machine designed to support a Interferometric surface inspection machine designed to support a

1993-04-22

1994-12-27

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01B 902

Patent

active

053770072

ABSTRACT:
Disclosed herein is an interferometric surface inspection machine which is arranged to facilitate the inspection of finished spherical lens surfaces, and which essentially includes: a surface plate formed with a through light guide opening in a predetermined position; an up-down guide means suspended from the lower side of the surface plate; an interferometer liftably supported on the up-down guide means and having a reference lens with a reference surface thereof disposed on the side of the light guide opening and in face to face relation with said light guide opening; and a lens mount portion adjustably located in a predetermined position above the light guide opening in the surface plate and adapted to support peripheral edge portions of a spherical lens element on the side of the lens surface to be inspected.

REFERENCES:
patent: 5127734 (1992-07-01), Ohi et al.
patent: 5276502 (1994-01-01), Ohi

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