Fishing – trapping – and vermin destroying
Patent
1991-10-02
1993-11-30
Fourson, George
Fishing, trapping, and vermin destroying
437 26, 437 61, 437 67, 437 22, 148DIG95, H01L 2176
Patent
active
052665038
ABSTRACT:
A surface emitting laser diode device is disclosed where an active layer is implanted with oxygen ions except for a small active region. The active region includes a pn junction for generating radiation in response to passage of electrical current therethrough. After the oxygen implantation, mirror layers are grown on top of the active layer to reflect light generated in the active region back into the active region to induce more radiation emission. Mirror layers are also provided underneath the active region for the same purpose. Contact layers are provided on the top and bottom of the structure just described so that when an electrical potential is applied between the two contacts, electrical current will flow between the contacts between the active region for generating radiation. The oxygen-implanted isolation region surrounds the active region in order to confine current flow to the active region.
REFERENCES:
patent: 4115150 (1978-09-01), Dyment
patent: 4124826 (1978-11-01), Dixon et al.
patent: 4523961 (1985-06-01), Hartman et al.
patent: 4871690 (1989-10-01), Holonyak, Jr. et al.
patent: 5013684 (1991-05-01), Epler et al.
Tan Michael R. T.
Wang Shih-Yuan
Fourson George
Hewlett--Packard Company
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