Method of producing a transparent photocathode

Details Method of producing a transparent photocathode Method of producing a transparent photocathode

1986-07-03

1987-12-15

Hearn, Brian E.

Fishing, trapping, and vermin destroying

437225, 437249, 156645, 313542, H01L 3100

Patent

active

047133538

ABSTRACT:
A method of producing a transparent photocathode comprises applying a multi-layer wafer to a carrier service so that the wafer projects beyond the carrier on all sides, effecting a chemical denudation on the substrate and after the chemical denudation on the substrate removing at least the overhanging parts of the multi-layer wafer mechanically. Chemical denudations are advantageously made by etching. The substrate comprises a gallium arsenide. The subsequent layers in the active photocathode semiconductor layer are applied by an epitaxial process.

REFERENCES:
patent: 3901745 (1975-08-01), Pion
patent: 3959045 (1976-05-01), Antypas
patent: 4295923 (1981-10-01), Kasper

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