Optical head

Details Optical head Optical head

1990-12-27

1992-02-25

Ben, Loha

Optical: systems and elements

Prism

359819, 359896, 359823, G02B 718

Patent

active

050917935

ABSTRACT:
An optical head for recording and reproducing information on an optical disk includes a box-like cover carrying thereon a semiconductor laser unit and a detector, and a substantially planar base on which various optical components are bonded, the base being made of the same material as the box-like cover and secured to the box-like cover to close an open end of the latter. By the use of the planar base, the optical components and the base can be bonded efficiently with utmost ease.

REFERENCES:
patent: 3767293 (1973-10-01), Baker et al.
patent: 3860328 (1975-01-01), Baker et al.
patent: 4441818 (1984-04-01), Wickman
patent: 4911534 (1990-03-01), Beyersberger van Henegouwen et al.
patent: 4912693 (1990-03-01), Goda

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