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1. (WO1993024961) IMPROVED SOLAR CELL AND METHOD OF MAKING SAME
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1993/024961 International Application No.: PCT/US1993/004305
Publication Date: 09.12.1993 International Filing Date: 06.05.1993
IPC:
H01L 31/0224 (2006.01) ,H01L 31/048 (2006.01) ,H01L 31/068 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02
Details
0224
Electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
042
including a panel or array of photoelectric cells, e.g. solar cells
048
encapsulated or with housing
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
31
Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
04
adapted as conversion devices
06
characterised by at least one potential-jump barrier or surface barrier
068
the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
Applicants:
MOBIL SOLAR ENERGY CORPORATION [US/US]; Middlesex Technology Center 4 Suburban Park Drive Billerica, MA 01821, US
Inventors:
AMICK, James, A.; US
BOTTARI, Frank, J.; US
HANOKA, Jack, I.; US
Agent:
PANDISCIO, Nicholas, A.; Pandiscio & Pandiscio 470 Totten Pond Road Waltham, MA 02154, US
Priority Data:
07/889,12127.05.1992US
Title (EN) IMPROVED SOLAR CELL AND METHOD OF MAKING SAME
(FR) PILE SOLAIRE AMELIOREE ET PROCEDE DE FABRICATION
Abstract:
(EN) The cell provided by the invention includes a silicon substrate (20) having a shallow p-n junction (22) adjacent its front surface, a plurality of silver soldering pads (16) bonded to the rear surface (14) of the substrate, an aluminum contact (12) on the rear surface of the substrate having openings (2) that expose at least portions of said silver pads (16), a silver contact (4) surrounded by an antireflection coating on the front substrate, and a glass layer (18) overlying the aluminum contact (12) so as to protect it against oxidation and corrosion. The glass layer (18) has windows (28) exposing portions of the soldering pads for solder attachment of connecting wire ribbons.
(FR) La pile décrite par l'invention comprend un substrat de silicium (20) possédant une jonction p-n superficielle (22) contiguë à sa surface avant, une pluralité de brasures d'argent (16) fixées à la surface arrière (14) du substrat, un contact en aluminium (2) situé sur la surface arrière du substrat et possédant des ouvertures (2) exposant au moins des parties desdites brasures d'argent (16), un contact en argent (4,4) entouré par un revêtement antiréfléchissant sur la surface avant du substrat et une couche vitreuse (18) recouvrant le contact en aluminium (12), de façon à le protéger contre l'oxydation et la corrosion. La couche vitreuse (18) possède des fenêtres (28) exposant des parties des brasures, afin de souder des fils de branchement plats.
Designated States: AU, CA, JP, KR
European Patent Office (EPO) (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)