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Class Information
Number: 257/537
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Integrated circuit structure with electrically isolated components > Passive components in ics > Including resistive element > Using specific resistive material
Description: Subject matter wherein the passive resistive element is a specific chemical element, compound, or composition.

Sub-classes under this class:

Class Number Class Name Patents
257/538 Polycrystalline silicon (doped or undoped) 314

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

Patent Number Title Of Patent Date Issued
7989920 Phase change memory Aug. 2, 2011
7986027 Encapsulated metal resistor Jul. 26, 2011
7986028 Semiconductor device having metal thin film resistance element Jul. 26, 2011
7964935 Phase change random access memory and semiconductor device Jun. 21, 2011
7964869 Memory element, memory apparatus, and semiconductor integrated circuit Jun. 21, 2011
7960813 Programmable resistance memory devices and systems using the same and methods of forming the same Jun. 14, 2011
7956672 Reference voltage generating circuit Jun. 7, 2011
7915995 Compensation of field effect on polycrystalline resistors Mar. 29, 2011
7911031 Voltage-controlled semiconductor structure, resistor, and manufacturing processes thereof Mar. 22, 2011
7902538 Phase change memory cell with first and second transition temperature portions Mar. 8, 2011
7884442 Integrated circuit resistor Feb. 8, 2011
7855434 Semiconductor device capable of decreasing variations in size of metal resistance element Dec. 21, 2010
7851887 Phase change memory device with heater electrodes having fine contact area and method for manufacturing the same Dec. 14, 2010
7851888 Nonvolatile memory and fabrication method thereof Dec. 14, 2010
7847373 Fabricating bipolar junction select transistors for semiconductor memories Dec. 7, 2010
7843037 High level integration phase change memory device having an increased diode junction area and method for manufacturing the same Nov. 30, 2010
7838966 Semiconductor devices including resistor elements comprising a bridge and base elements and related methods Nov. 23, 2010
7821044 Transistor with improved tip profile and method of manufacture thereof Oct. 26, 2010
7803687 Method for forming a thin film resistor Sep. 28, 2010
7795701 Semiconductor device and manufacturing method thereof Sep. 14, 2010
7791141 Field-enhanced programmable resistance memory cell Sep. 7, 2010
7772580 Integrated circuit having a cell with a resistivity changing layer Aug. 10, 2010
7767997 Semiconductor device with solid electrolyte switching Aug. 3, 2010
7759770 Integrated circuit including memory element with high speed low current phase change material Jul. 20, 2010
7759765 Semiconductor device mounted with fuse memory Jul. 20, 2010
7759771 Resistance random access memory and method of manufacturing the same Jul. 20, 2010
7755164 Capacitor and resistor having anodic metal and anodic metal oxide structure Jul. 13, 2010
7750431 Phase change storage cells for memory devices Jul. 6, 2010
7735221 Method for manufacturing a multilayer wiring board Jun. 15, 2010
7737527 Phase change material containing carbon, memory device including the phase change material, and method of operating the memory device Jun. 15, 2010
7738226 Integrated snubber device on a semiconductor basis for switching load reduction, voltage limitation and/or oscillation attenuation Jun. 15, 2010
7732893 Electrical fuse structure for higher post-programming resistance Jun. 8, 2010
7714411 Electro-optical device, method of manufacturing the same, and electronic apparatus May. 11, 2010
7700935 Non-volatile memory device and method of fabricating the same Apr. 20, 2010
7687881 Small electrode for phase change memories Mar. 30, 2010
7684655 Electro-optic modulator Mar. 23, 2010
7679163 Phase-change memory element Mar. 16, 2010
7649242 Programmable resistive memory cell with a programmable resistance layer Jan. 19, 2010
7638787 Phase changeable memory cell array region and method of forming the same Dec. 29, 2009
7616089 Compensation of field effect on polycrystalline resistors Nov. 10, 2009
7615844 Semiconductor device Nov. 10, 2009
7569909 Phase change memory devices and methods for manufacturing the same Aug. 4, 2009
7557429 Semiconductor device with resistor element and dummy active region Jul. 7, 2009
7544940 Semiconductor device including vanadium oxide sensor element with restricted current density Jun. 9, 2009
7545019 Integrated circuit including logic portion and memory portion Jun. 9, 2009
7518213 Nonvolatile variable resistance memory device and method of fabricating the same Apr. 14, 2009
7515454 CBRAM cell and CBRAM array, and method of operating thereof Apr. 7, 2009
7462921 Integrated circuit device, method of manufacturing the same and method of forming vanadium oxide film Dec. 9, 2008
7459717 Phase change memory cell and manufacturing method Dec. 2, 2008
7459762 Programmable resistance memory element with threshold switching material Dec. 2, 2008

1 2 3 4 5 6 7 8

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