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
7436045 Gallium nitride-based semiconductor device Oct. 14, 2008
7408240 Memory device Aug. 5, 2008
7339187 Transistor structures Mar. 4, 2008
7323764 Buffer structure for modifying a silicon substrate Jan. 29, 2008
7317242 Semiconductor device including p-type silicon layer including implanted germanium Jan. 8, 2008
7307290 Compound semiconductor wafer and manufacturing method thereof Dec. 11, 2007
7304368 Chalcogenide-based electrokinetic memory element and method of forming the same Dec. 4, 2007
7297977 Semiconductor device Nov. 20, 2007
7282783 Resistance variable memory device and method of fabrication Oct. 16, 2007
7282782 Combined binary oxide semiconductor device Oct. 16, 2007
7276779 III-V group nitride system semiconductor substrate Oct. 2, 2007
7253499 III-V group nitride system semiconductor self-standing substrate, method of making the same and III-V group nitride system semiconductor wafer Aug. 7, 2007
7245017 Liquid discharge head and manufacturing method thereof Jul. 17, 2007
7235920 Display device and method of its manufacture Jun. 26, 2007
7233054 Phase change material and non-volatile memory device using the same Jun. 19, 2007
7224041 Design and fabrication of 6.1-.ANG. family semiconductor devices using semi-insulating A1Sb substrate May. 29, 2007
RE39640 Conductive isostructural compounds May. 22, 2007
7221025 Semiconductor on insulator substrate and devices formed therefrom May. 22, 2007
7199401 Light-emitting semiconductor device Apr. 3, 2007
7196399 Epitaxially grown nitride-based compound semiconductor crystal substrate structure with low dislocation density Mar. 27, 2007
7196351 Forming phase change memories Mar. 27, 2007
7192785 Water-soluble luminescent quantum dots and biomolecular conjugates thereof and related compositions and methods of use Mar. 20, 2007
7190048 Resistance variable memory device and method of fabrication Mar. 13, 2007
7189992 Transistor structures having a transparent channel Mar. 13, 2007
7151307 Integrated semiconductor circuits on photo-active Germanium substrates Dec. 19, 2006
7151306 Electronic part, and electronic part mounting element and an process for manufacturing such the articles Dec. 19, 2006
7151027 Method and device for reducing interface area of a memory device Dec. 19, 2006
7145229 Silicone metalization Dec. 5, 2006
7129521 Semiconductor device and manufacture method thereof Oct. 31, 2006
7098487 Gallium nitride crystal and method of making same Aug. 29, 2006
7075111 Nitride semiconductor substrate and its production method Jul. 11, 2006
7064346 Transistor and semiconductor device Jun. 20, 2006
7057202 Ultra-high density storage device using phase change diode memory cells and methods of fabrication thereof Jun. 6, 2006
7038299 Selective synthesis of semiconducting carbon nanotubes May. 2, 2006
7030465 Semiconductor device that can increase the carrier mobility and method for fabricating the same Apr. 18, 2006
6998690 Gallium nitride based III-V group compound semiconductor device and method of producing the same Feb. 14, 2006
6998697 Non-volatile resistance variable devices Feb. 14, 2006
6960782 Electronic devices with fullerene layers Nov. 1, 2005
6940096 Double gate field effect transistor with diamond film Sep. 6, 2005
6936859 Light-emitting semiconductor device using group III nitride compound Aug. 30, 2005
6936860 Light emitting diode having an insulating substrate Aug. 30, 2005
6914255 Phase change access device for memories Jul. 5, 2005
6913948 Partially captured oriented interconnections for BGA packages and a method of forming the interconnections Jul. 5, 2005
6903374 Structure of p-electrode at the light-emerging side of light-emitting diode Jun. 7, 2005
6888171 Light emitting diode May. 3, 2005
6878979 Spin switch and magnetic storage element using it Apr. 12, 2005
6872967 Nitride-based semiconductor device and manufacturing method thereof Mar. 29, 2005
6862312 Quantum dot tunable external cavity laser (QD-TEC laser) Mar. 1, 2005
6861729 Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate Mar. 1, 2005
6861270 Method for manufacturing gallium nitride compound semiconductor and light emitting element Mar. 1, 2005

1 2 3 4 5 6

  Recently Added Patents
Test framework of visual components in a multitenant database environment
Wristband with detachable labels
Train car for proppant containers
Methods and systems for representing missed approach information in perspective view on a cockpit display
Fractal method for detecting and filling data gaps within LiDAR data
Organic light-emitting display and method of manufacturing the same
Structural plasticity in spiking neural networks with symmetric dual of an electronic neuron
  Randomly Featured Patents
Apparatus for the automatic ejection of concrete pipes
Portable self-contained apparatus for freezing liquids
Magnetic disk apparatus with shroud having opening downstream of moveable arm
Display module
Human proteases and polynucleotides encoding the same
Combined plow and film layer
Removable screen for animal litter box
Paper testing machine
Methods for reducing channel acquisition times in a radiotelephone communications system and related mobile terminals
Stop motion apparatus for a roving drafting device of a textile machine