1988-03-30
1991-01-01
Wojciechowicz, Edward J.
357 30, 357 59, 357 71, 357 84, H01L 2978
Patent
active
049822527
ABSTRACT:
A solid state imaging device comprising a light receiving and accumulating element disposed at a surface area of a semiconductor substrate in a two-dimensional arrangement, a control electrode and a transfer electrode for transferring a signal charge which is photoelectrically converted by the light receiving element, and a light shield element for passing an incident light only toward to a predetermined portion of the light receiving element. These elements are suitably electrically insulated by the positions of insulation films. The control electrode constitutes a first electroconductive element disposed above the light receiving element and the transfer electrode so as to cover at least portions thereof. The imaging device further comprises a second electroconductive element disposed in direct contact with the lower surface of the first electroconductive element to lower the resistance thereof. The second electroconductive element may be constituted by a low resistance electrode or by the light shield element.
REFERENCES:
patent: 4394675 (1983-07-01), Anagnostopoulos et al.
patent: 4743778 (1988-05-01), Takatsu et al.
Kano et al., "Interline Transfer Type CCD Imaging Device," Report of the Institute of Television Engineers of Japan ED481, Jan. 24, 1980, pp. 47-52.
"Sony Unveils CCD Color Camera for Home TV", Electronics International, Mar. 30, 1978, vol. 51, No. 7 (1978.03), pp. 59-60.
Kabushiki Kaisha Toshiba
Wojciechowicz Edward J.
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