US Patent No: 6,297,443
Number of patents in Portfolio can not be more than 2000
Thin film photoelectric transducer
Stats
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Oct 2, 2001
Issued date -
Mar 26, 1999
filing date -
09/269,400
serial no -
In Force
status
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Abstract
A thin film photoelectric converter includes a polycrystalline photoelectric conversion layer (4) and a metal thin film (3) covering one main surface of the polycrystalline photoelectric layer. Polycrystalline photoelectric conversion layer (4) has an average thickness in the range from 0.5 to 20 .mu.m and at least one of main surfaces of polycrystalline photoelectric conversion layer (4) has a textured surface structure. The textured structure has fine unevenness with level differences smaller than half of the thickness of polycrystalline photoelectric conversion layer (4) and substantially in the range from 0.05 to 3 .mu.m.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,244,509 Substrate having an uneven surface for solar cell and a solar cell provided with said substrate | 44 | 1991 | |
| 5,500,055 Photovoltaic device | 23 | 1994 | |
| 5,859,397 Process for the production of a photovoltaic element | 11 | 1997 | |
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| 4,433,202 Thin film solar cell | 30 | 1982 | |
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| 4,500,743 Amorphous semiconductor solar cell having a grained transparent electrode | 14 | 1982 | |
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| 4,334,069 Chemiluminescent phthalhydrazide-labeled hapten conjugates | 17 | 1978 | |
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| 4,252,865 Highly solar-energy absorbing device and method of making the same | 41 | 1978 | |
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| 4,532,537 Photodetector with enhanced light absorption | 37 | 1982 | |
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| 7,122,764 Sheathed element glow plug | 8 | 2000 | |
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| 6,342,923 Video format converting apparatus | 3 | 1998 | |
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| 4,608,451 Cross-grooved solar cell | 14 | 1984 | |
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| 4,514,583 Substrate for photovoltaic devices | 37 | 1983 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 2, 2013 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |