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Class Information
Number: 257/53
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Non-single crystal, or recrystallized, semiconductor material forms part of active junction (including field-induced active junction) > Amorphous semiconductor material > Responsive to nonelectrical external signals (e.g., light)
Description: Subject matter wherein the amorphous semiconductor active junction generates an electrical signal when subjected to non-electrical (e.g., optical, thermal, or vibratory) signals.


Sub-classes under this class:

Class Number Class Name Patents
257/55 Amorphous semiconductor is alloy or contains material to change band gap (e.g., si x ge 1-x , sin y ) 216
257/56 With impurity other than hydrogen to passivate dangling bonds (e.g., halide) 120
257/54 With schottky barrier to amorphous material 76


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
4546009 High-mobility amorphous silicon displaying non-dispersive transport properties Oct. 8, 1985
4539431 Pulse anneal method for solar cell Sep. 3, 1985
4536607 Photovoltaic tandem cell Aug. 20, 1985
4536460 Photoconductive member Aug. 20, 1985
4532373 Amorphous photovoltaic solar cell Jul. 30, 1985
4531015 PIN Amorphous silicon solar cell with nitrogen compensation Jul. 23, 1985
4528082 Method for sputtering a PIN amorphous silicon semi-conductor device having partially crystallized P and N-layers Jul. 9, 1985
4526849 Multilayer electrophotographic amorphous silicon element for electrophotographic copying processes Jul. 2, 1985
4527007 Process for forming passivation film on photoelectric conversion device and the device produced thereby Jul. 2, 1985
4523962 Method for fabricating monocrystalline semiconductor layer on insulating layer by laser crystallization using a grid of anti-reflection coating disposed on poly/amorphous semiconductor Jun. 18, 1985
4523214 Solid state image pickup device utilizing microcrystalline and amorphous silicon Jun. 11, 1985
4518815 Photoelectric conversion device May. 21, 1985
4514582 Optical absorption enhancement in amorphous silicon deposited on rough substrate Apr. 30, 1985
4511756 Amorphous silicon solar cells and a method of producing the same Apr. 16, 1985
4509990 Solid phase epitaxy and regrowth process with controlled defect density profiling for heteroepitaxial semiconductor on insulator composite substrates Apr. 9, 1985
4507519 Photoelectronic conversion device Mar. 26, 1985
4500743 Amorphous semiconductor solar cell having a grained transparent electrode Feb. 19, 1985
4499331 Amorphous semiconductor and amorphous silicon photovoltaic device Feb. 12, 1985
4498092 Semiconductor photoelectric conversion device Feb. 5, 1985
4496834 Focus detecting photoelectric device and focus detecting system Jan. 29, 1985
4492813 Amorphous silicon solar cell Jan. 8, 1985
4491682 Amorphous silicon photovoltaic device including a two-layer transparent electrode Jan. 1, 1985
4490573 Solar cells Dec. 25, 1984
4489149 Electrophotographic amorphous silicon member Dec. 18, 1984
4484809 Glow discharge method and apparatus and photoreceptor devices made therewith Nov. 27, 1984
4482804 Photosensor array wherein each photosensor comprises a plurality of amorphous silicon p-i-n diodes Nov. 13, 1984
4482780 Solar cells with low cost substrates and process of making same Nov. 13, 1984
4476346 Photovoltaic device Oct. 9, 1984
4471042 Image-forming member for electrophotography comprising hydrogenated amorphous matrix of silicon and/or germanium Sep. 11, 1984
4471371 Thin film image pickup element Sep. 11, 1984
4471155 Narrow band gap photovoltaic devices with enhanced open circuit voltage Sep. 11, 1984
4465750 Photoconductive member with a -Si having two layer regions Aug. 14, 1984
4464823 Method for eliminating short and latent short circuit current paths in photovoltaic devices Aug. 14, 1984
4461956 Solid-state photoelectric converter Jul. 24, 1984
4461819 Image-forming member for electrophotography Jul. 24, 1984
4460669 Photoconductive member with .alpha.-Si and C, U or D and dopant Jul. 17, 1984
4460670 Photoconductive member with .alpha.-Si and C, N or O and dopant Jul. 17, 1984
4459163 Amorphous semiconductor method Jul. 10, 1984
4453173 Photocell utilizing a wide-bandgap semiconductor material Jun. 5, 1984
4451538 High hydrogen amorphous silicon May. 29, 1984
4450316 Amorphous silicon photovoltaic device having two-layer transparent electrode May. 22, 1984
4443651 Series connected solar cells on a single substrate Apr. 17, 1984
4443653 Thin film photovoltaic device with multilayer substrate Apr. 17, 1984
4434318 Solar cells and method Feb. 28, 1984
4431858 Method of making quasi-grain boundary-free polycrystalline solar cell structure and solar cell structure obtained thereby Feb. 14, 1984
4428110 Method of making an array of series connected solar cells on a single substrate Jan. 31, 1984
4429325 Photosensor Jan. 31, 1984
4422063 Semiconductor strain gauge Dec. 20, 1983
4420546 Member for electrophotography with a-Si and c-Si layers Dec. 13, 1983
4419604 Light sensitive screen Dec. 6, 1983

1 2 3 4 5 6 7 8 9 10


 
 
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