US3887935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated semiconductor arrangement including solar cell and a Schottky diode
Assignee: Telefunken Electronic GmbH
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Filing: 1973-11-02
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Granted: 1975-06-03
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Expires: 1993-11-02
Abstract
Abstract An integrated semiconductor arrangement comprises a semiconductor body with a solar cell and a rectifying metal contact, the contact having a metal coating split up into largely separated regions which are, however, electrically connected together.
Inventors
- 👤 Horst Fischer
- 👤 Willi Pschunder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:58
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/206; H10F77/211; H10F19/00; H10F19/70; H10F19/75; H10F19/90; H10F19/902; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
118 words
An integrated semiconductor arrangement comprising in combination: a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof and forming the pn-junction of the solar cell, an ohmic front side contact for said region of opposite conductivity type and an ohmic rear side contact covering substantially the entire rear surface of said semiconductor body; and a metal coating on said rear surface of said semiconductor body and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating having at least one narrow strip-shaped portion which is substantially surrounded by but separated from said ohmic rear side contact of said solar cell.
Claim 2
Dependent Claim
118 words
An integrated semiconductor arrangement comprising in combination: a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof and forming the pn-junction of the solar cell, an ohmic front side contact for said region of opposite conductivity type and an ohmic rear side contact covering substantially the entire rear surface of said semiconductor body; and a metal coating on said rear surface of said semiconductor body and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating having at least one narrow strip-shaped portion which is substantially surrounded by but separated from said ohmic rear side contact of said solar cell.
Claim 3
Dependent Claim
118 words
An integrated semiconductor arrangement comprising in combination: a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof and forming the pn-junction of the solar cell, an ohmic front side contact for said region of opposite conductivity type and an ohmic rear side contact covering substantially the entire rear surface of said semiconductor body; and a metal coating on said rear surface of said semiconductor body and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating having at least one narrow strip-shaped portion which is substantially surrounded by but separated from said ohmic rear side contact of said solar cell.
Claim 4
Dependent Claim
118 words
An integrated semiconductor arrangement comprising in combination: a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof and forming the pn-junction of the solar cell, an ohmic front side contact for said region of opposite conductivity type and an ohmic rear side contact covering substantially the entire rear surface of said semiconductor body; and a metal coating on said rear surface of said semiconductor body and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating having at least one narrow strip-shaped portion which is substantially surrounded by but separated from said ohmic rear side contact of said solar cell.
Claim 5
Dependent Claim
23 words
An integrated semiconductor arrangement as defined in claim 1, wherein the metal coating of the metal semiconductor contact has a comb like structure.
Claim 6
Dependent Claim
22 words
An integrated semiconductor arrangement as defined in claim 1, wherein the metal coating of the metal semiconductor contact has a ray-shaped structure.
Claim 7
Dependent Claim
22 words
An integrated semiconductor arrangement as defined in claim 1, wherein the metal coating of the metal semiconductor contact has a T-shaped structure.
Claim 8
Dependent Claim
23 words
An integrated semiconductor arragement as defined in claim 1, wherein the metal coating of the metal semiconductor contact has a widened connection surface.
Claim 9
Dependent Claim
23 words
An integrated semiconductor arrangement as defined in claim 4, wherein the transverse limb of the T-shaped metal coating serves as the connection surface.
Claim 10
Dependent Claim
66 words
A solar cell battery comprising a plurality of integrated semiconductor arrangements as defined in claim 1, and whrein the metal semiconductor contact of one integrated semiconductor arrangement is connected to the ohmic rear side contact of the subsequent integrated semiconductor arrangement and the ohmic rear side contact of one integrated semiconductor arrangement is connected to the ohmic front side contact of the subsequent integrated semiconductor arrangement.
Claim 11
Dependent Claim
60 words
A solar cell battery as defined in claim 7, wherein the ohmic front side contact of one of the two integrated semiconductor arrangements, lying on the outside, is provided as the negative pole and the ohmic rear side contact of the two integrated semiconductor arrangements, lying on the outside, is provided as the positive pole of the solar cell battery.
Claim 12
Dependent Claim
111 words
In a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof to form the pn-junction of the solar cell, a first ohmic contact on said one major surface for contacting said opposite conductivity type region and a second ohmic contact on substantially the entire opposite major surface of said semiconductor body for contacting said semiconductor body; the improvement comprising at least one narrow strip-shaped metal coating on said opposite major surface and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating being substantially surrounded by, but spaced from, said second ohmic contact.
Claim 13
Dependent Claim
111 words
In a solar cell including a semiconductor body of a first conductivity type having a region of the opposite conductivity type adjacent one major surface thereof to form the pn-junction of the solar cell, a first ohmic contact on said one major surface for contacting said opposite conductivity type region and a second ohmic contact on substantially the entire opposite major surface of said semiconductor body for contacting said semiconductor body; the improvement comprising at least one narrow strip-shaped metal coating on said opposite major surface and forming a rectifying metal semiconductor contact with said semiconductor body, said metal coating being substantially surrounded by, but spaced from, said second ohmic contact.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |