Compact optical imaging system

Details Compact optical imaging system Compact optical imaging system

1984-05-18

1987-09-08

Morgenstern, Norman

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250578, 250276, 128 4, 128 6, H01J 314

Patent

active

046926089

ABSTRACT:
A compact optical imaging system with application to a viewing head of an endoscope. A lens assembly gathers and focuses light into parallel rays which are turned 90.degree. from the lens assembly optical axis. A planar image sensor is oriented parallel to the lens assembly optical axis and receives the light which has been turned. The light enters a glass plate serving as the back side of the image sensor and impinges on active light-sensitive elements on a silicon layer deposited on the glass plate. A substrate is bonded on the silicon layer and supports circuitry for buffering and driving signals to and from the image snsor. The substrate has a plurality of slots aligned with the bonding pads of the image sensor to permit electrical connection between the buffering and driving circuitry and the image sensor.

REFERENCES:
patent: 3595220 (1971-07-01), Kawahara
patent: 3817619 (1974-06-01), Kawahara
patent: 3901220 (1975-08-01), Koyasu et al.
patent: 4132888 (1979-01-01), Kondo
patent: 4153834 (1979-05-01), Hayamizu
patent: 4163149 (1979-07-01), Sawano et al.

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