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Class Information
Number: 257/E31.044
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor devices responsive or sensitive to electromagnetic radiation (e.g., infrared radiation, adapted for conversion of radiation into electrical energy or for control of electrical energy by such radiation processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof) (epo) > Characterized by semiconductor body (epo) > Characterized by semiconductor body crystalline structure or plane (epo) > Including polycrystalline semiconductor (epo) > Including only group iv element (epo)
Description: This subclass is indented under subclass E31.043. This subclass is substantially the same in scope as ECLA classification H01L31/0368B.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7279764 |
Silicon-based resonant cavity photodiode for image sensors |
Oct. 9, 2007 |
| 7075052 |
Photoelectric conversion device |
Jul. 11, 2006 |
| 6777714 |
Crystalline silicon semiconductor device and method for fabricating same |
Aug. 17, 2004 |
| 6653554 |
Thin film polycrystalline solar cells and methods of forming same |
Nov. 25, 2003 |
| 6649824 |
Photoelectric conversion device and method of production thereof |
Nov. 18, 2003 |
| 6576831 |
Multicrystalline silicon having a low proportion of active grain borders |
Jun. 10, 2003 |
| 6239451 |
Semiconduction devices having a thin film structure exhibiting high conductivity |
May. 29, 2001 |
| 6140666 |
Thin film semiconductor device with a semiconductor large including crystals of an average grain size with a range of 50-350-.ANG. |
Oct. 31, 2000 |
| 6013565 |
High conductivity thin film material for semiconductor device |
Jan. 11, 2000 |
| 5994164 |
Nanostructure tailoring of material properties using controlled crystallization |
Nov. 30, 1999 |
| RE36156 |
Columnar-grained polycrystalline solar cell and process of manufacture |
Mar. 23, 1999 |
| 5769963 |
Photovoltaic device |
Jun. 23, 1998 |
| 5498904 |
Polycrystalline semiconductive film, semiconductor device using the same and method of manufacturing the same |
Mar. 12, 1996 |
| 5496416 |
Columnar-grained polycrystalline solar cell and process of manufacture |
Mar. 5, 1996 |
| 5486237 |
Polysilicon thin film and method of preparing polysilicon thin film and photovoltaic element containing same |
Jan. 23, 1996 |
| 5403771 |
Process for producing a solar cell by means of epitaxial growth process |
Apr. 4, 1995 |
| 5360745 |
Thin-film solar cell production method |
Nov. 1, 1994 |
| 5352614 |
Method of manufacturing a thin film semiconductor device |
Oct. 4, 1994 |
| 5336335 |
Columnar-grained polycrystalline solar cell and process of manufacture |
Aug. 9, 1994 |
| 5269852 |
Crystalline solar cell and method for producing the same |
Dec. 14, 1993 |
| 5266126 |
Semiconductor device and method for manufacturing the same |
Nov. 30, 1993 |
| 5260225 |
Integrated infrared sensitive bolometers |
Nov. 9, 1993 |
| 5254481 |
Polycrystalline solar cell manufacturing method |
Oct. 19, 1993 |
| 5242504 |
Photovoltaic device and manufacturing method therefor |
Sep. 7, 1993 |
| 5221365 |
Photovoltaic cell and method of manufacturing polycrystalline semiconductive film |
Jun. 22, 1993 |
| 5184200 |
Thin film semiconductor device with particular grain size |
Feb. 2, 1993 |
| 5087296 |
Solar battery and process for preparing same |
Feb. 11, 1992 |
| 5043785 |
Photosensor device photodiode and switch |
Aug. 27, 1991 |
| 4971832 |
HR-CVD process for the formation of a functional deposited film on a substrate with application of a voltage in the range of -5 to -100 V |
Nov. 20, 1990 |
| 4948741 |
Polysilicon photoconductor for integrated circuits |
Aug. 14, 1990 |
| 4821091 |
Polysilicon photoconductor for integrated circuits |
Apr. 11, 1989 |
| 4766477 |
Semiconductor device including a semiconductor layer having a polycrystalline silicon film with selected atomic constituency |
Aug. 23, 1988 |
| 4740829 |
Semiconductor device having a thin layer comprising germanium atoms as a matrix with a restricted range of hydrogen atom concentration |
Apr. 26, 1988 |
| 4719501 |
Semiconductor device having junction formed from two different hydrogenated polycrystalline silicon layers |
Jan. 12, 1988 |
| 4705659 |
Carbon film oxidation for free-standing film formation |
Nov. 10, 1987 |
| 4682206 |
Thin ribbon of semiconductor material |
Jul. 21, 1987 |
| 4613382 |
Method of forming passivated polycrystalline semiconductors |
Sep. 23, 1986 |
| 4602422 |
Flash compression process for making photovoltaic cells |
Jul. 29, 1986 |
| 4577588 |
Device for process-type deposition of polycrystalline silicon on carbon film |
Mar. 25, 1986 |
| 4559552 |
PIN semiconductor photoelectric conversion device with two oxide layers |
Dec. 17, 1985 |
| 4525223 |
Method of manufacturing a thin ribbon wafer of semiconductor material |
Jun. 25, 1985 |
| 4490573 |
Solar cells |
Dec. 25, 1984 |
| 4433202 |
Thin film solar cell |
Feb. 21, 1984 |
| 4431858 |
Method of making quasi-grain boundary-free polycrystalline solar cell structure and solar cell structure obtained thereby |
Feb. 14, 1984 |
| 4401840 |
Semicrystalline solar cell |
Aug. 30, 1983 |
| 4343830 |
Method for improving the efficiency of solar cells having imperfections |
Aug. 10, 1982 |
| 4321099 |
Method of fabricating Schottky barrier solar cell |
Mar. 23, 1982 |
| 4320168 |
Method of forming semicrystalline silicon article and product produced thereby |
Mar. 16, 1982 |
| 4302763 |
Semiconductor device |
Nov. 24, 1981 |
| 4278830 |
Schottky barrier solar cell |
Jul. 14, 1981 |
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