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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Milnes; Arthur G.
Address:
Pittsburgh, PA
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
4587410 Capacitive card and reader parking system May 6, 1986
The apparatus includes a card which entitles the holder to a number of units of parking time represented by discrete capacitances carried by the card. The parking time is metered by a card reader which accepts the card senses the capacitance carried thereby and measures out a unit of par
4576273 Optical card and card reader system for purchase of parking time March 18, 1986
A card-operated parking system utilizes cards having a succession of discrete filtered light transmitting areas thereon. The cards operate a card reader which includes a light source and light sensing means, between which the card is inserted, and a punch which punches out a filter area
4445965 Method for making thin film cadmium telluride and related semiconductors for solar cells May 1, 1984
A thin cadmium-telluride semiconductor film for use in solar cells is grown epitaxially on a second semiconductor film, typically tellurium, which may be epitaxial on a substrate semiconductor, typically single-crystal cadmium-telluride. The second semiconductor has a lower resistance to
4159354 Method for making thin film III-V compound semiconductors for solar cells involving the use of a June 26, 1979
Thin semiconductor films of compounds from groups III-V of the periodic table suitable for solar cells are formed on low cost substrates by forming on the substrate an intermediate film that is chemically related to but has a lower melting point than the desired semiconductor. The de
4094704 Dual electrically insulated solar cells June 13, 1978
Composite solar cells of improved efficiency comprise two cells of different characteristics arranged in optical series but electrically insulated from each other. Preferably, each cell is of larger crystal grain size than its substrate, which grain size is achieved by growing the ce
3993533 Method for making semiconductors for solar cells November 23, 1976
The invention relates to a method for producing a desired thin semiconductor film for use in solar cells. The desired semiconductor is grown epitaxially on a second semiconductor film which may be epitaxial on a third semiconductor. The second semiconductor has a lower melting point










 
 
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