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Class Information
Number: 257/E45.003
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Solid-state devices adapted for rectifying, amplifying, oscillating, or switching without potential-jump barrier or surface barrier, e.g., dielectric triodes; ovshinsky-effect devices, processes, or apparatus peculiar to manufacture or treatment thereof, or of parts thereof (epo) > Bistable switching devices, e.g., ovshinsky-effect devices (epo) > Switching materials being oxides or nitrides (epo)
Description: This subclass is indented under subclass E45.002. This subclass is substantially the same in scope as ECLA classification H01L45/00B2.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8709834 Methods of fabricating semiconductor device Apr. 29, 2014
8710481 Non-volatile memory cell containing a nano-rail electrode Apr. 29, 2014
8710482 Memory component and memory device Apr. 29, 2014
8705265 Ionic devices containing a membrane between layers Apr. 22, 2014
8692222 Nonvolatile memory element and method of manufacturing the nonvolatile memory element Apr. 8, 2014
8686419 Structure and fabrication method for resistance-change memory cell in 3-D memory Apr. 1, 2014
8686390 Nonvolatile memory element having a variable resistance layer whose resistance value changes according to an applied electric signal Apr. 1, 2014
8680505 Semiconductor memory device Mar. 25, 2014
8674336 Non-volatile resistive oxide memory cells, non-volatile resistive oxide memory arrays, and methods of forming non-volatile resistive oxide memory cells and memory arrays Mar. 18, 2014
8664651 Switching device and method of manufacturing the same Mar. 4, 2014
8658463 Memristor with embedded switching layer Feb. 25, 2014
8659001 Defect gradient to boost nonvolatile memory performance Feb. 25, 2014
8637845 Optimized electrodes for Re-RAM Jan. 28, 2014
8624219 Variable impedance memory element structures, methods of manufacture, and memory devices containing the same Jan. 7, 2014
8610098 Phase change memory bridge cell with diode isolation device Dec. 17, 2013
8581224 Memory cells Nov. 12, 2013
8574958 Method for manufacturing a gate-control diode semiconductor memory device Nov. 5, 2013
8575585 Memristive device Nov. 5, 2013
8569105 Passivating glue layer to improve amorphous carbon to metal adhesion Oct. 29, 2013
8569728 Nonvolatile memory with variable resistance change layers Oct. 29, 2013
8547721 Resistive memory device Oct. 1, 2013
8546780 Non-volatile memory device Oct. 1, 2013
8536015 Memory cell that includes a carbon-based memory element and methods of forming the same Sep. 17, 2013
8536562 Methods of forming memory structures and methods of forming memory arrays Sep. 17, 2013
8530873 Electroforming free memristor and method for fabricating thereof Sep. 10, 2013
8530879 Semiconductor memory device Sep. 10, 2013
8526213 Memory cells, methods of programming memory cells, and methods of forming memory cells Sep. 3, 2013
8513639 Resistive-switching memory and fabrication method thereof Aug. 20, 2013
8502187 Resistive switching memory element including doped silicon electrode Aug. 6, 2013
8502343 Nanoelectric memristor device with dilute magnetic semiconductors Aug. 6, 2013
8487289 Electrically actuated device Jul. 16, 2013
8487294 Nanostructure quick-switch memristor and method of manufacturing the same Jul. 16, 2013
8465996 Surface treatment to improve resistive-switching characteristics Jun. 18, 2013
8466032 Systems and methods for fabricating self-aligned memory cell Jun. 18, 2013
8466446 Atomic layer deposition of metal oxide materials for memory applications Jun. 18, 2013
8461564 Memory devices having an embedded resistance memory with metal-oxygen compound Jun. 11, 2013
8456891 Nonvolatile memory cells having oxygen diffusion barrier layers therein Jun. 4, 2013
8450713 Nonvolatile semiconductor memory device and manufacturing method for same May. 28, 2013
8450709 Nonvolatile resistance change device May. 28, 2013
8445319 Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element May. 21, 2013
8421048 Non-volatile memory with active ionic interface region Apr. 16, 2013
8405076 Nonvolatile memory element Mar. 26, 2013
8394669 Resistance variable element and resistance variable memory device Mar. 12, 2013
8395928 Threshold device for a memory array Mar. 12, 2013
8390124 Semiconductor device and method of manufacturing semiconductor device including wiring via and switch via for connecting first and second wirings Mar. 5, 2013
8389990 Nonvolatile semiconductor memory device and manufacturing method thereof Mar. 5, 2013
8384061 Nonvolatile memory device and manufacturing method Feb. 26, 2013
8378345 Heterojunction oxide non-volatile memory device Feb. 19, 2013
8373148 Memory device with improved performance Feb. 12, 2013
8373149 Resistance change element and manufacturing method thereof Feb. 12, 2013

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