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Class Information
Number: 257/E31.05
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 amorphous semiconductor (epo) > Including only group iv element (epo) > Having light-induced characteristic variation (e.g., staebler-wronski effect) (epo)
Description: This subclass is indented under subclass E31.048. This subclass is substantially the same in scope as ECLA classification H01L31/0376B3.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6743988 |
Optically controlled switches |
Jun. 1, 2004 |
| 6384319 |
Non-single-crystal solar cell |
May. 7, 2002 |
| 6147295 |
Sunlight energy conversion apparatus, and air circulation system |
Nov. 14, 2000 |
| 5230753 |
Photostable amorphous silicon-germanium alloys |
Jul. 27, 1993 |
| 5114498 |
Photovoltaic device |
May. 19, 1992 |
| 4965225 |
Method of stabilizing amorphous semiconductors |
Oct. 23, 1990 |
| 4799968 |
Photovoltaic device |
Jan. 24, 1989 |
| 4555586 |
Photovoltiac device having long term energy conversion stability and method of producing same |
Nov. 26, 1985 |
| 4371738 |
Method of restoring degraded solar cells |
Feb. 1, 1983 |
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