Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1983-06-24
1985-09-24
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
29572, 136262, 357 15, 357 30, H01L 3106
Patent
active
045434425
ABSTRACT:
A gallium arsenide photo-responsive device (40) is provided with an intermediate, transparent layer (28) of refractory metal or alkaline earth metal forming a tenacious bond between a non-hydroscopic oxide layer (24) and a noble metal Schottky barrier layer (30). The device has a gallium arsenide substrate with a predetermined type conductivity and a gallium arsenide epitaxial layer (16) with the same type conductivity but a lower charge carrier concentration grown on the substrate. The oxide layer (24) is formed to cover the epitaxial layer (16) and the transparent metal layer (28) followed by the noble metal layer (30) are deposited upon the oxide layer. An interdigitated ohmic contact (32) is then formed upon the noble metal layer.
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Alcorn George E.
Leinkram Charles Z.
Okunola Olatunji
Bushnell Robert E.
Manning John R.
The United States of America as represented by the Administrator
Tresansky John O.
Weisstuch Aaron
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