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Class Information
Number: 257/E29.079
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by materials of semiconductor body (epo) > Two or more elements from two or more groups of periodic table of elements (e.g., alloys) (epo)
Description: This subclass is indented under subclass E29.068. This subclass is substantially the same in scope as ECLA classification H01L29/26.

Sub-classes under this class:

Class Number Class Name Patents
257/E29.08 Amorphous materials (epo) 23
257/E29.081 In different semiconductor regions (e.g., heterojunctions) (epo) 200

Patents under this class:

Patent Number Title Of Patent Date Issued
8618603 Nonvolatile semiconductor memory device and method for manufacturing same Dec. 31, 2013
8525330 Connecting member for connecting a semiconductor element and a frame, formed of an Al-based layer and first and second Zn-based layers provided on surfaces of the Al-based layer Sep. 3, 2013
8502216 Semiconductor device Aug. 6, 2013
8466001 Low-cost solution approach to deposit selenium and sulfur for Cu(In,Ga)(Se,S)2 formation Jun. 18, 2013
8426868 Semiconductor device and method for manufacturing the same Apr. 23, 2013
8343800 Thin film transistor and method of producing thin film transistor Jan. 1, 2013
8334532 IGZO-based oxide material and method of producing IGZO-based oxide material Dec. 18, 2012
8188471 Field effect transistor May. 29, 2012
8148707 Ovonic threshold switch film composition for TSLAGS material Apr. 3, 2012
8093684 Iron sulfide semiconductor doped with Mg or Zn, junction devices and photoelectric converter comprising same Jan. 10, 2012
8044414 Semiconductor layered structure and its method of formation, and light emitting device Oct. 25, 2011
8013331 Thin film transistor, method of manufacturing the same, and electronic device using the same Sep. 6, 2011
7842956 Nitride semiconductor laser element and fabrication method thereof Nov. 30, 2010
7790535 Depletion-free MOS using atomic-layer doping Sep. 7, 2010
7700936 Fabrication of quantum dots embedded in three-dimensional photonic crystal lattice Apr. 20, 2010
7482621 Rewritable nano-surface organic electrical bistable devices Jan. 27, 2009
7411209 Field-effect transistor and method for manufacturing the same Aug. 12, 2008
7026911 Point contact array, not circuit, and electronic circuit comprising the same Apr. 11, 2006
6888175 Compound semiconductor structure with lattice and polarity matched heteroepitaxial layers May. 3, 2005
6600177 Boron-carbide and boron rich rhombohedral based transistors and tunnel diodes Jul. 29, 2003
6440786 Boron-carbide and boron rich rhobohedral based transistors and tunnel diodes Aug. 27, 2002
6159831 Process to prepare an array of wires with submicron diameters Dec. 12, 2000
6068698 P-type silicon macromolecule used in a transistor and process for manufacture of the macromolecule May. 30, 2000
6025611 Boron-carbide and boron rich rhobohedral based transistors and tunnel diodes Feb. 15, 2000
5895938 Semiconductor device using semiconductor BCN compounds Apr. 20, 1999
5773085 Method of manufacturing ternary compound thin films Jun. 30, 1998
5682041 Electronic part incorporating artificial super lattice Oct. 28, 1997
5376309 Boride materials for electronic elements and method of preparing the same Dec. 27, 1994
5156995 Method for reducing or eliminating interface defects in mismatched semiconductor epilayers Oct. 20, 1992
5032893 Method for reducing or eliminating interface defects in mismatched semiconductor eiplayers Jul. 16, 1991
4857971 (IV).sub.x (III-V).sub.1-x alloys formed in situ in III-V heterostructures Aug. 15, 1989
4477688 Photovoltaic cells employing zinc phosphide Oct. 16, 1984
4238232 Metallic modified material of intermetallic compound Dec. 9, 1980
4225409 Metallic modified material of intermetallic compound and a process for the production of the same Sep. 30, 1980
4213781 Deposition of solid semiconductor compositions and novel semiconductor materials Jul. 22, 1980
3979271 Deposition of solid semiconductor compositions and novel semiconductor materials Sep. 7, 1976

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