Direct-contact type image sensor device, an image sensor unit, a

Details Direct-contact type image sensor device, an image sensor unit, a Direct-contact type image sensor device, an image sensor unit, a

1993-10-21

1995-12-19

Sikes, William L.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250239, 250214R, 2505781, H01J 4014

Patent

active

054770475

ABSTRACT:
A direct-contact type image sensor device according to the present invention includes: a light-transmitting substrate having an upper surface and a lower surface; a patterned conductor layer formed over the upper surface of the light-transmitting substrate; a transparent electrically conductive layer formed on the lower surface of the light-transmitting substrate; an image sensor chip mounted face-down on the upper surface of the light-transmitting substrate, with an insulating resin layer being interposed between the image sensor chip and the upper surface of the light-transmitting substrate, the image sensor chip being mounted by a flip-chip-bonding method, a light-interrupting layer provided between the patterned conductor layer and the upper surface of the light-transmitting substrate; and a light-interrupting portion for interrupting a portion of a light beam, the light beam being radiated on an original through the light-transmitting substrate by a light source disposed above the light-transmitting substrate. The image sensor chip and the light-interrupting portion serve as an optical throttle for the light beam.

REFERENCES:
patent: 4446364 (1984-05-01), Hayashi et al.
patent: 4733096 (1988-03-01), Horiguchi
patent: 4763010 (1988-08-01), Fukaya et al.
patent: 4792670 (1988-12-01), Fukaya et al.
patent: 5162644 (1992-11-01), Nagata et al.
EPO, European Search Report for counterpart application EP 93117154.0, mailed Jan. 4, 1994.
"Direct-Contact Type Image Sensors Using a Novel Amorophous-Silicon Photodiode Array"; by Hiroaki Kakinuma, et al.; IEEE Electron Device Letters; vol. 12, No. 8 (1991) Aug.; pp. 413-415.

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