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Class Information
Number: 257/E21.004
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of semiconductor device (epo) > Manufacture of two-terminal component for integrated circuit (epo) > Of resistor (epo)
Description: This subclass is indented under subclass E21.003. This subclass is substantially the same in scope as ECLA classification H01L21/02B2.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.005 Active material comprising carbon, e.g., diamond or diamond-like carbon (epo) 36
257/E21.007 Active material comprising organic conducting material, e.g., conducting polymer (epo) 102
257/E21.006 Active material comprising refractory, transition, or noble metal or metal compound, e.g., alloy, silicide, oxide, nitride (epo) 389


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8679934 Method for making a bottom electrode geometry for phase change memory Mar. 25, 2014
8629034 Nonvolatile memory element and production method thereof and storage memory arrangement Jan. 14, 2014
8618603 Nonvolatile semiconductor memory device and method for manufacturing same Dec. 31, 2013
8609503 Phase change memory device and fabrication method thereof Dec. 17, 2013
8604588 Semiconductor device and semiconductor device fabrication Dec. 10, 2013
8598010 Methods of forming variable-resistance memory devices and devices formed thereby Dec. 3, 2013
8598563 Phase-change material and phase-change type memory device Dec. 3, 2013
8598681 Temperature switch with resistive sensor Dec. 3, 2013
8592794 Resistance random access memory element and method for making the same Nov. 26, 2013
8592282 Nonvolatile memory elements Nov. 26, 2013
8586475 Semiconductor device including gate electrode for applying tensile stress to silicon substrate, and method of manufacturing the same Nov. 19, 2013
8587073 High voltage resistor Nov. 19, 2013
8581222 Phase change memory device comprising bismuth-tellurium nanowires Nov. 12, 2013
8563366 Memory device having an integrated two-terminal current limiting resistor Oct. 22, 2013
8558213 Vertical phase change memory cell Oct. 15, 2013
8551855 Memory cell that includes a carbon-based reversible resistance switching element compatible with a steering element, and methods of forming the same Oct. 8, 2013
8551854 Method of manufacturing a semiconductor device Oct. 8, 2013
8551853 Non-volatile semiconductor memory device and manufacturing method thereof Oct. 8, 2013
8552411 Manufacturing method of semiconductor device Oct. 8, 2013
8546177 Methods of manufacturing phase-change memory device and semiconductor device Oct. 1, 2013
8536558 RRAM structure with improved memory margin Sep. 17, 2013
8518790 Method of forming memory device Aug. 27, 2013
8513636 Vertical diodes for non-volatile memory device Aug. 20, 2013
8507353 Method of forming semiconductor device having self-aligned plug Aug. 13, 2013
8501574 Resistive memory device and manufacturing method thereof and operating method thereof Aug. 6, 2013
8501621 Method of fabrication of the memristive device Aug. 6, 2013
8497492 Variable resistive element, and its manufacturing method Jul. 30, 2013
8487293 Bipolar switching memory cell with built-in "on "state rectifying current-voltage characteristics Jul. 16, 2013
8481990 Nonvolatile memory element Jul. 9, 2013
8482100 Resistor array and semiconductor device including the same Jul. 9, 2013
8476085 Method of fabricating dual trench isolated epitaxial diode array Jul. 2, 2013
8470682 Methods and structures for increased thermal dissipation of thin film resistors Jun. 25, 2013
8470683 Method and electronic device for a simplified integration of high precision thinfilm resistors Jun. 25, 2013
8461012 Device with ground plane for high frequency signal transmission and method therefor Jun. 11, 2013
8456888 Semiconductor memory device including variable resistance elements and manufacturing method thereof Jun. 4, 2013
8450772 Phase change RAM device and method for manufacturing the same May. 28, 2013
8426942 Semiconductor device with a fuse Apr. 23, 2013
8409960 Methods of patterning platinum-containing material Apr. 2, 2013
8395935 Cross-point self-aligned reduced cell size phase change memory Mar. 12, 2013
8394670 Vertical diodes for non-volatile memory device Mar. 12, 2013
8394669 Resistance variable element and resistance variable memory device Mar. 12, 2013
8377789 Field-enhanced programmable resistance memory cell Feb. 19, 2013
8377790 Method of fabricating an embedded polysilicon resistor and an embedded eFuse isolated from a substrate Feb. 19, 2013
8377791 Nonvolatile memory element and production method thereof and storage memory arrangement Feb. 19, 2013
8372747 Semiconductor device including gate electrode for applying tensile stress to silicon substrate, and method of manufacturing the same Feb. 12, 2013
8361874 Method of manufacturing semiconductor device Jan. 29, 2013
8338245 Integrated circuit system employing stress-engineered spacers Dec. 25, 2012
8338914 Integrated process for thin film resistors with silicides Dec. 25, 2012
8324068 Nonvolatile memory and fabrication method thereof Dec. 4, 2012
8324067 Method of forming memory device Dec. 4, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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