Photovoltaic generator with dielectric isolation and bonded, ins

Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array

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437 2, H01L 3105

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active

055497624

ABSTRACT:
A photovoltaic generator device for producing an output sufficient to turn on a MOS-gated device consists of a plurality of planar photogenerators connected in series. Each of the photovoltaic generators is contained on its own respective insulated tub. The insulated tubs are formed by wafer bonding a junction-containing wafer to a handle wafer with a dielectric isolation layer between them. The individual tubs are formed at their sides by isolation trenches which enclose each tub and which extend to the dielectric layer between the junction-containing and handle wafers. Each tub is formed of an N.sup.- body having a shallow P.sup.+ diffusion. N.sup.+ contact regions are formed in the N.sup.- body and contact strips connect the devices of each of the tubs in series by connecting the P.sup.+ diffusions of one tub to the N.sup.+ contact of an adjacent tub.

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