Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E31.029
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 material (epo) > Inorganic materials (epo) > Including, apart from doping material or other impurity, only compound other than group ii-vi, iii-v, and iv compound (epo) > Comprising only group iv-vi or ii-iv-vi chalcogenide compound (e.g., pbsnte) (epo)
Description: This subclass is indented under subclass E31.026. This subclass is substantially the same in scope as ECLA classification H01L31/032D.


Sub-classes under this class:

Class Number Class Name Patents
257/E31.03 Characterized by doping material (epo) 4


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7612359 Microelectronic devices using sacrificial layers and structures fabricated by same Nov. 3, 2009
7595218 Programmable resistive RAM and manufacturing method Sep. 29, 2009
7589344 Semiconductor device and method of producing the same Sep. 15, 2009
7589367 Layout structure in semiconductor memory device comprising global work lines, local work lines, global bit lines and local bit lines Sep. 15, 2009
7586777 Resistance variable memory with temperature tolerant materials Sep. 8, 2009
7579210 Planar segmented contact Aug. 25, 2009
7579616 Four-terminal programmable via-containing structure and method of fabricating same Aug. 25, 2009
7575950 Semiconductor device and a method of manufacturing the same Aug. 18, 2009
7569417 Method of forming a phase changeable material layer, a method of manufacturing a phase changeable memory unit, and a method of manufacturing a phase changeable semiconductor memory device Aug. 4, 2009
7560722 Optimized solid electrolyte for programmable metallization cell devices and structures Jul. 14, 2009
7528401 Agglomeration elimination for metal sputter deposition of chalcogenides May. 5, 2009
7527985 Method for manufacturing a resistor random access memory with reduced active area and reduced contact areas May. 5, 2009
7511297 Phase change memory device and method of fabricating the same Mar. 31, 2009
7494849 Methods for fabricating multi-terminal phase change devices Feb. 24, 2009
7491573 Phase change materials for applications that require fast switching and high endurance Feb. 17, 2009
7470922 Increasing adherence of dielectrics to phase change materials Dec. 30, 2008
7456420 Electrode for phase change memory device and method Nov. 25, 2008
7449711 Phase-change-type semiconductor memory device Nov. 11, 2008
7405420 Method and system for chalcogenide-based nanowire memory Jul. 29, 2008
7399655 Damascene conductive line for contacting an underlying memory element Jul. 15, 2008
7393798 Resistance variable memory with temperature tolerant materials Jul. 1, 2008
7394088 Thermally contained/insulated phase change memory device and method (combined) Jul. 1, 2008
7391050 Phase change memory device with thermal insulating layers Jun. 24, 2008
7385219 Optimized solid electrolyte for programmable metallization cell devices and structures Jun. 10, 2008
7365354 Programmable resistance memory element and method for making same Apr. 29, 2008
7365411 Resistance variable memory with temperature tolerant materials Apr. 29, 2008
7361925 Integrated circuit having a memory including a low-k dielectric material for thermal isolation Apr. 22, 2008
7361929 Field-effect transistors with weakly coupled layered inorganic semiconductors Apr. 22, 2008
7354793 Method of forming a PCRAM device incorporating a resistance-variable chalocogenide element Apr. 8, 2008
7348590 Phase change memory cell with high read margin at low power operation Mar. 25, 2008
7348209 Resistance variable memory device and method of fabrication Mar. 25, 2008
7338851 Diode/superionic conductor/polymer memory structure Mar. 4, 2008
7338857 Increasing adherence of dielectrics to phase change materials Mar. 4, 2008
7329579 Phase changeable memory cells and methods of fabricating the same Feb. 12, 2008
7323356 LnCuO(S,Se,Te)monocrystalline thin film, its manufacturing method, and optical device or electronic device using the monocrystalline thin film Jan. 29, 2008
7323734 Phase changeable memory cells Jan. 29, 2008
7314776 Method to manufacture a phase change memory Jan. 1, 2008
7307908 Software refreshed memory device and method Dec. 11, 2007
7303939 Electro- and electroless plating of metal in the manufacture of PCRAM devices Dec. 4, 2007
7282783 Resistance variable memory device and method of fabrication Oct. 16, 2007
7282387 Electro- and electroless plating of metal in the manufacture of PCRAM devices Oct. 16, 2007
7259023 Forming phase change memory arrays Aug. 21, 2007
7232703 Non-volatile memory and the fabrication method Jun. 19, 2007
7227171 Small area contact region, high efficiency phase change memory cell and fabrication method thereof Jun. 5, 2007
7214958 Phase change memory cell with high read margin at low power operation May. 8, 2007
7202493 Chalcogenide memory having a small active region Apr. 10, 2007
7190048 Resistance variable memory device and method of fabrication Mar. 13, 2007
7186999 Error reduction circuit for chalcogenide devices Mar. 6, 2007
7135727 I-shaped and L-shaped contact structures and their fabrication methods Nov. 14, 2006
7129560 Thermal memory cell and memory device including the thermal memory cell Oct. 31, 2006

1 2


 
 
  Recently Added Patents
Electronic device and method for managing power distribution therein
Polyether-based dental impression material curable by metathesis reaction
Timing synchronization module and method for synchronously playing a media signal
Systems and methods for providing ENUM in an LNP environment
Seal with non-contact adjacent deflector rings
Method for manufacturing an LCD device defining a TFD structure using a second mask removing a first metal layer, an insulating layer and a second metal layer to expose a transparent electrode
Multiple task working platform
  Randomly Featured Patents
Tape dispenser for taping 90.degree. box corners
Shaft drive device
Speed change gear
Metal plated polymeric article
Computer display with adjustable stand
Magnetic recording medium based on epoxy resins modified by isocyanates with poly(perfluoroether) backbones
Very large scale integrated circuit for performing bit-serial matrix transposition operation
Method of producing a two-dimensional electron gas semiconductor device
Method and system for transmitting the capabilities of a facsimile machine over the internet
Sawmill apparatus