US4500743A
Expired / Lapsed
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Amorphous semiconductor solar cell having a grained transparent electrode
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1982-09-30
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Granted: 1985-02-19
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Expires: 2002-09-30
Abstract
Abstract An amorphous semiconductor solar cell which comprises a glass substrate and a transparent electrode coated on the substrate. The device also comprises an amorphous semiconductor layer on the transparent electrode, and a rear electrode on the amorphous layer, wherein the average grain diameter of the surface of the transparent electrode ranges from 0.1 mu m to 2.5 mu m.
Inventors
- 👤 Yutaka Hayashi
- 👤 Mithuyuki Yamanaka
- 👤 Hideyo Iida
- 👤 Nobuyasu Shiba
- 👤 Hideyuki Karasawa
- 👤 Toshio Mishuku
- 👤 Atsuo Itou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:38
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/138; H10F77/00; H10F77/20; H10F77/206; H10F77/211; H10F77/244; H10F77/247; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
86 words
An amorphous semiconductor solar cell comprising a glass substrate, a transparent electrode means coated on said substrate, an amorphous semiconductor layer coated on said transparent electrode means, and a rear electrode on said amorphous semiconductor layer, wherein the average grain diameter of the surface of the transparent electrode means which faces the amorphous semiconductor layer ranges from 0.1 μm to 2.5 μm, and wherein said transparent electrode means has a rough and uneven surface facing said amorphous semiconductor layer for causing diffusion of the incident light.
Claim 2
Dependent Claim
86 words
An amorphous semiconductor solar cell comprising a glass substrate, a transparent electrode means coated on said substrate, an amorphous semiconductor layer coated on said transparent electrode means, and a rear electrode on said amorphous semiconductor layer, wherein the average grain diameter of the surface of the transparent electrode means which faces the amorphous semiconductor layer ranges from 0.1 μm to 2.5 μm, and wherein said transparent electrode means has a rough and uneven surface facing said amorphous semiconductor layer for causing diffusion of the incident light.
Claim 3
Dependent Claim
18 words
An amorphous semiconductor solar cell of claim 1, wherein the transparent electrode is a film comprising tin oxide.
Claim 4
Dependent Claim
18 words
An amorphous semiconductor solar cell of claim 2, wherein the film consists essentially of antimony doped tin oxide.
Claim 5
Dependent Claim
18 words
An amorphous semiconductor solar cell of claim 1, wherein the transparent electrode is a film comprising indium oxide.
Claim 6
Dependent Claim
17 words
An amorphous semiconductor solar cell of claim 4, wherein the film consists essentially of indium tin oxide.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |