1986-01-15
1988-03-29
Corbin, John K.
350252, 354286, G02B 702
Patent
active
047339454
ABSTRACT:
A precision lens mounting assembly which includes a plurality of lens cells and a plurality of lenses which correspond to the plurality of lens cells. The lens cells have an annular shape. Flexure means are disposed within the inner diameter of the lens cell which hold the lens in a predetermined spatial relation at a datum temperature to the lens cell. The flexure means return the lenses to this predetermined spatial relation following temperature excursions away from, then back to, the datum temperature. The outer diameter of the lens cells in the assembly are all substantially equal and substantially concentric about the optical axis of the lenses they hold. The upper and lower surfaces of the lens cell each have three or more precision surfaces disposed on a plane. The plane are perpendicular to the optical axis of the lens and have a predetermined spatial relation to the apex of the lens. Selected ones of the lens cells can be rotated, translated or moved axially with respect to the other lens cells in the lens assembly to correct for astigmatism, coma or spherical aberrations, respectively. Adhesive means are provided to hold the plurality of the lens cells together.
REFERENCES:
patent: 4046458 (1977-09-01), Smulders et al.
patent: 4239364 (1980-12-01), Doi
Ben Loha
Corbin John K.
Grimes Edwin T.
Masselle Francis L.
Murphy Thomas P.
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