Lens element and lens barrel

Details Lens element and lens barrel Lens element and lens barrel

1992-04-27

1994-11-01

Ben, Loha

Optical: systems and elements

Lens

Single component with multiple elements

359642, G02B 900

Patent

active

053611683

ABSTRACT:
A flow lens element is obtained by integrally molding a resin layer on a glass member. A relief portion for preventing the resin material from adhering to an outer circumferential portion of the glass member is provided between the circumferential portion and an optical portion of the glass member.

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patent: 3980399 (1976-09-01), Howden
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patent: 4159292 (1979-06-01), Neefe
patent: 4235654 (1980-11-01), Dohi et al.
patent: 4623496 (1986-11-01), Verhoeven et al.
patent: 4738516 (1988-04-01), Verhoeven et al.
patent: 5067800 (1991-11-01), Shirakawa

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