Refractometer subassembly method and apparatus

Details Refractometer subassembly method and apparatus Refractometer subassembly method and apparatus

1993-04-02

1994-10-11

Rosenberger, Richard A.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

G01N 2141

Patent

active

053552113

ABSTRACT:
An apparatus and method for creating an aligned subassembly of optically critical components of a temperature compensated, hand-held refractometer prior to installing the subassembly in a refractometer housing is disclosed. The preferred embodiment is a plastic subassembly frame with a critical angle prism reference surface, a temperature responsive member fulcrum, a compensating prism mount, an objective lens mount, and a reticle mount.

REFERENCES:
patent: 8509 (1851-11-01), Clarke
patent: 2619003 (1952-11-01), Polanyi
patent: 3279309 (1966-10-01), Goldberg
patent: 3329060 (1967-07-01), Holleran
patent: 3447875 (1969-06-01), Goldberg
patent: 3625620 (1971-12-01), Goldberg
patent: 3749479 (1973-07-01), Kempf

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