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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Porter; Wilbur A.
Address:
College Station, TX
No. of patents:
8
Patents:




Patent Number Title Of Patent Date Issued
RE31473 System for fabrication of semiconductor bodies December 27, 1983
A system and method is provided for forming semiconductor tear-drop shaped bodies having minimal grain boundaries. Semiconductor material is melted in a capillary tube at the top of a tower, and forced under gas pressure through a nozzle. Separate semiconductor bodies are formed. They ar
4438557 Method of using an areal array of tubular electron sources March 27, 1984
An areal array of tubular electron sources is disclosed for producing multiple directed electron beams. Sources (10) are located in a parallel array between a conductive back plate (12) at a closed end of the tubes and a conductive face plate (14) having holes therein aligned with the
4333035 Areal array of tubular electron sources June 1, 1982
An areal array of tubular electron sources is disclosed for producing multiple directed electron beams. Sources (10) are located in a parallel array between a conductive back plate (12) at a closed end of the tubes and a conductive face plate (14) having holes therein aligned with the
4322379 Fabrication process for semiconductor bodies March 30, 1982
A system and method is provided for forming semiconductor tear-drop shaped bodies having minimal grain boundaries. Semiconductor material is melted in a capillary tube at the top of a tower, and forced under gas pressure through a nozzle. Separate semiconductor bodies are formed. They ar
4188177 System for fabrication of semiconductor bodies February 12, 1980
A system and method is provided for forming semiconductor tear-drop shaped bodies having minimal grain boundaries. Semiconductor material is melted in a capillary tube at the top of a tower, and forced under gas pressure through a nozzle. Separate semiconductor bodies are formed. They ar
4136436 Light energy conversion January 30, 1979
A process for the manufacture of a light energy converter involves forming of a plurality of photovoltaic sources wherein first bodies of a first conductivity type semiconductor material each has a surface layer of a second conductivity type material and second bodies of said second
4100051 Light energy conversion July 11, 1978
Solar energy conversion is provided by a structure formed of a plurality of photovoltaic sources. An electrolyte wets the sources. Upon exposure to light the photovoltaic sources cause a current to flow in the electrolyte, producing an electrochemical reaction. The products of this react
4021323 Solar energy conversion May 3, 1977
Solar energy conversion is provided by a structure formed of a plurality of photovoltaic sources. An electrolyte wets the sources. Upon exposure to light the photovoltaic sources cause a current to flow in the electrolyte producing an electrochemical reaction. The products of this reacti


 
 
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