Method of making and using selective conductive regions in diamo

Details Method of making and using selective conductive regions in diamo Method of making and using selective conductive regions in diamo

1989-03-09

1990-05-29

Ryan, Patrick

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428408, 428901, 428409, 2504923, 430311, 430313, 430945, B32B 900

Patent

active

049294890

ABSTRACT:
A diamond lattice substrate is irradiated with a high energy particle of sufficient flux, energy level and time period to irreversibly transform an area of a plane normal to the axis of irradition into conductive graphite. The substrate is cooled during irradiation to confine the graphite to the area of the plane at a desired depth within the substrate.

REFERENCES:
patent: 3123511 (1964-03-01), Coleman
patent: 3383567 (1968-05-01), King et al.
patent: 4200506 (1980-04-01), Dreschhoff et al.
patent: 4277293 (1981-07-01), Nelson et al.
patent: 4511445 (1985-04-01), Forrest et al.
"Hackh's Chemical Dictionary", Fourth Edition, p. 306 (1985).

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