Resources Contact Us Home
Browse by Category: Main > Physics
Class Information
Number: 257/613
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Including semiconductor material other than silicon or gallium arsenide (gaas) (e.g., pb x sn 1-x te)
Description: Subject matter under the subclass definition which includes semiconducting material other than silicon or gallium arsenide (GaAs).

Sub-classes under this class:

Class Number Class Name Patents
257/616 Containing germanium, ge 449
257/614 Group ii-vi compound (e.g., cdte, hg x cd 1-x te) 147
257/615 Group iii-v compound (e.g., inp) 502

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
6858866 III-nitride light emitting diode Feb. 22, 2005
6858869 White color light emitting device Feb. 22, 2005
6858887 BJT device configuration and fabrication method with reduced emitter width Feb. 22, 2005
6856005 Semiconductor device having a nitride-based hetero-structure and method of manufacturing the same Feb. 15, 2005
6849875 Nitride semiconductor device Feb. 1, 2005
6844567 Conductive polymer materials and methods for their manufacture and use Jan. 18, 2005
6841409 Group III-V compound semiconductor and group III-V compound semiconductor device using the same Jan. 11, 2005
6835952 Nanotube junctions Dec. 28, 2004
6809351 Group III-V compound semiconductor crystal structure and method of epitaxial growth of the same as well as semiconductor device including the same Oct. 26, 2004
6809401 Memory, writing apparatus, reading apparatus, writing method, and reading method Oct. 26, 2004
6808798 Heat conductive resin substrate and semiconductor package Oct. 26, 2004
6787822 Heterojunction III-V transistor, in particular HEMT field effect transistor or heterojunction bipolar transistor Sep. 7, 2004
6781214 Metastable base in a high-performance HBT Aug. 24, 2004
6768135 Dual process semiconductor heterostructures Jul. 27, 2004
6727522 Transistor and semiconductor device Apr. 27, 2004
6696736 Piezoelectric substrate for surface acoustic wave device, and surface acoustic wave device Feb. 24, 2004
6693307 Semiconductor light emitting element Feb. 17, 2004
6693935 Semiconductor laser Feb. 17, 2004
6670647 Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element Dec. 30, 2003
6670649 Triodic rectifier switch Dec. 30, 2003
6657234 Nitride semiconductor device Dec. 2, 2003
6653662 Semiconductor light-emitting device, method for fabricating the same, and method for driving the same Nov. 25, 2003
6642539 Epitaxial template and barrier for the integration of functional thin film metal oxide heterostructures on silicon Nov. 4, 2003
6635951 Small electrode for chalcogenide memories Oct. 21, 2003
6627974 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate Sep. 30, 2003
6621148 Methods of fabricating gallium nitride semiconductor layers on substrates including non-gallium nitride posts, and gallium nitride semiconductor structures fabricated thereby Sep. 16, 2003
6611005 Method for producing semiconductor and semiconductor laser device Aug. 26, 2003
6608389 Semiconductor device with stress relieving layer comprising circuit board and electronic instrument Aug. 19, 2003
6600842 Semiconductor optical function device Jul. 29, 2003
6580096 Window for light-emitting diode Jun. 17, 2003
6570241 Semiconductor device having the effect that the drop in the current gain is kept to the minimum, when the substrate density is amplified and that the variation in the collector current is impr May. 27, 2003
6563132 Conductive polymer materials and methods for their manufacture and use May. 13, 2003
6563118 Pyroelectric device on a monocrystalline semiconductor substrate and process for fabricating same May. 13, 2003
6548836 Solid state light-emitting device Apr. 15, 2003
6541695 High efficiency solar photovoltaic cells produced with inexpensive materials by processes suitable for large volume production Apr. 1, 2003
6534791 Epitaxial aluminium-gallium nitride semiconductor substrate Mar. 18, 2003
6531719 Group III nitride compound semiconductor device Mar. 11, 2003
6507091 Transistor with indium-implanted SiGe alloy and processes for fabricating the same Jan. 14, 2003
6468808 Water-soluble luminescent quantum dots and biomolecular conjugates thereof and related compositions and method of use Oct. 22, 2002
6448584 Light emitting diode with high luminance and method for making the same Sep. 10, 2002
6441464 Gate oxide stabilization by means of germanium components in gate conductor Aug. 27, 2002
6429450 Method of manufacturing a field-effect transistor substantially consisting of organic materials Aug. 6, 2002
6359327 Monolithic electronic element fabricated from semiconducting ceramic Mar. 19, 2002
6359292 Semiconductor light emitting element Mar. 19, 2002
6312617 Conductive isostructural compounds Nov. 6, 2001
6297523 GaAs single crystal as well as method of producing the same, and semiconductor device utilizing the same Oct. 2, 2001
6294828 Semiconductor chip package Sep. 25, 2001
6281521 Silicon carbide horizontal channel buffered gate semiconductor devices Aug. 28, 2001
6255671 Metal embedded passivation layer structure for microelectronic interconnect formation, customization and repair Jul. 3, 2001
6225680 Semiconductor structure based on silicon carbide material, with a plurality electrically different partial regions May. 1, 2001

1 2 3 4 5 6

  Recently Added Patents
Para-xylylene based microfilm elution devices
Imaging lens with three lens elements, and electronic apparatus having the same
Data driver and liquid crystal display device using the same
Mobile device mode control based on dual mapping of availability (presence) information
Vehicle having power supply apparatus
Mirror elements for EUV lithography and production methods therefor
System and method for improving cache efficiency
  Randomly Featured Patents
Spilt-gate flash memory structure and method of manufacture
Compact kitchenware washing station
Methods and means for producing efficient silencing construct using recombinational cloning
Phase control apparatus
All-terrain vehicle
Semiconductor device of a silicon on insulator metal-insulator type with a concave feature
Device for the slicking, stretching and drying of leather or similar flat materials such as hides, skins and the like
Information recording medium and information recording method suitable for security purposes
Nozzle head for a paint spray gun