Optical: systems and elements – Prism
Patent
1992-04-01
1993-06-22
Henry, Jon W.
Optical: systems and elements
Prism
359833, 359634, 359638, G02B 504, G02B 2762, G02B 2714
Patent
active
052219984
ABSTRACT:
A joined prism assembly having more than two prisms adhered to each other at joining surfaces is disclosed. The joined prism includes stepped portions between the end faces of the prisms adjacent to the joining surfaces for defining exposed positioning reference surfaces for when the prisms are adhered to each other.
REFERENCES:
patent: 14983 (1920-11-01), Comstock
patent: 2382580 (1945-08-01), Rackett
patent: 2737076 (1956-03-01), Rock
patent: 2754718 (1956-07-01), Rock et al.
patent: 3182988 (1965-05-01), Woodall
patent: 4890899 (1990-01-01), Aoki et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Henry Jon W.
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