Coating processes – Direct application of electrical – magnetic – wave – or... – Electrostatic charge – field – or force utilized
Patent
1991-11-04
1993-07-20
Owens, Terry J.
Coating processes
Direct application of electrical, magnetic, wave, or...
Electrostatic charge, field, or force utilized
427474, 1984685, B05D 106
Patent
active
052291707
ABSTRACT:
A method and instrument produce compound semiconductor crystallized ultrafine particles of Groups II-VI or Groups III-V using vapor phase reaction of an element of Group II or III with an element of Group V or VI. Charged ultrafine particles are transported by imposing a voltage onto a needle electrode, moving the needle electrode sufficiently close to the charged particles to electrostatically deposit the charged particles on the surface of the needle electrode, transporting the deposited particles to a position close to a desired location, and placing the charged particles on the desired location by either grounding the needle electrode or imposing a small reverse voltage on it. A gain modulation type quantum box laser element is constructed by geometrically disposing the ultrafine particles.
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patent: 4751194 (1988-06-01), Cibert et al.
patent: 4783427 (1988-11-01), Reed et al.
Matsushita Electric - Industrial Co., Ltd.
Owens Terry J.
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