Patent
1984-07-17
1985-06-04
Corbin, John K.
350414, G02B 1318, G02B 2100
Patent
active
045210853
ABSTRACT:
A convex-concave conical lens and a concave-planar conical lens for insertion between the lower and middle component lenses of the Conical Split-Image Microscopic Lens, U.S. Pat. No. 4,277,148, dated Jul. 7, 1981, by this inventor. The two inserted lenses form the first middle component and the second middle component lenses of the new five-component stage lens and produce a 50.times. increase in maximum magnification (from 7.times. to 350.times.) and a 0.02 1/.times. reduction in concentrated beam diameter (from 0.142 1/.times. to 0.003 1/.times.).
REFERENCES:
patent: 2881654 (1959-04-01), Toffolo
patent: 2882784 (1959-04-01), Toffolo
patent: 4277148 (1981-07-01), Clegg
patent: 4325612 (1982-04-01), Clegg
patent: 4333713 (1982-06-01), Clegg
Corbin John K.
Sugarman Scott J.
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