Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.662
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 devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) > With subsequent division of substrate into plural individual devices (epo) > To produce devices each consisting of plurality of components, e.g., integrated circuits (epo) > Substrate being semiconductor, using silicon technology (epo) > Field-effect technology (epo) > Mis technology (epo) > Dynamic random access memory structures (dram) (epo) > Read-only memory structures (rom), i.e., nonvolatile memory structures (epo)
Description: This subclass is indented under subclass E21.645. This subclass is substantially the same in scope as ECLA classification H01L21/8246.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.679 Charge trapping insulator nonvolatile memory structures (epo) 624
257/E21.68 Electrically programmable (eprom), i.e., floating gate memory structures (epo) 506
257/E21.663 Ferroelectric nonvolatile memory structures (epo) 141
257/E21.665 Magnetic nonvolatile memory structures, e.g., mram (epo) 486
257/E21.666 Prom (epo) 42
257/E21.667 Rom only (epo) 25


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8664108 Stacked multilayer structure and manufacturing method thereof Mar. 4, 2014
8653578 Semiconductor device comprising string structures formed on active region Feb. 18, 2014
8598644 Nonvolatile semiconductor storage device and method of manufacturing the same Dec. 3, 2013
8587036 Non-volatile memory and fabricating method thereof Nov. 19, 2013
8574992 Contact architecture for 3D memory array Nov. 5, 2013
8569133 Nonvolatile semiconductor memory device and method of manufacturing the same Oct. 29, 2013
8551809 Reduction of forming voltage in semiconductor devices Oct. 8, 2013
8536007 Non-volatile memory cell and logic transistor integration Sep. 17, 2013
8524557 Integration technique using thermal oxide select gate dielectric for select gate and replacement gate for logic Sep. 3, 2013
8519485 Pillar structure for memory device and method Aug. 27, 2013
8502322 Nonvolatile memory device and manufacturing method thereof Aug. 6, 2013
8497544 Repairing defects in a nonvolatile semiconductor memory module utilizing a heating element Jul. 30, 2013
8470645 Method for manufacturing an antifuse memory cell Jun. 25, 2013
8450119 Magnetic tunnel junction patterning using Ta/TaN as hard mask May. 28, 2013
8445350 Semiconductor device and method of manufacturing the same May. 21, 2013
8441060 Nonvolatile memory element and nonvolatile memory device incorporating nonvolatile memory element May. 14, 2013
8426301 Three-dimensional nonvolatile memory devices having sub-divided active bars and methods of manufacturing such devices Apr. 23, 2013
8415218 Atomic layer deposition epitaxial silicon growth for TFT flash memory cell Apr. 9, 2013
8395199 Systems and methods for fabricating self-aligned memory cell Mar. 12, 2013
8338877 Nonvolatile memory devices and methods of forming the same Dec. 25, 2012
8283717 Semiconductor storage device Oct. 9, 2012
8278695 Nonvolatile semiconductor memory device and manufacturing method thereof Oct. 2, 2012
8258029 Semiconductor structure and process for reducing the second bit effect of a memory device Sep. 4, 2012
8227873 Integrated one-time programmable semiconductor device pair Jul. 24, 2012
8222075 Nonvolatile semiconductor memory device using a variable resistance film and method of manufacturing the same Jul. 17, 2012
8211755 Method for multi-level interconnection memory device Jul. 3, 2012
8193573 Repairing defects in a nonvolatile semiconductor memory device utilizing a heating element Jun. 5, 2012
8187932 Three dimensional horizontal diode non-volatile memory array and method of making thereof May. 29, 2012
8153485 Method for fabricating memory Apr. 10, 2012
8148769 Nonvolatile semiconductor memory device and method of manufacturing the same Apr. 3, 2012
8143150 Method of fabricating semiconductor device and electronic system Mar. 27, 2012
8106441 Semiconductor device having plural DRAM memory cells and a logic circuit and method for manufacturing the same Jan. 31, 2012
8106445 Nonvolatile semiconductor memory device and method of manufacturing the same Jan. 31, 2012
8105867 Self-aligned three-dimensional non-volatile memory fabrication Jan. 31, 2012
8093103 Multiple chip module and package stacking method for storage devices Jan. 10, 2012
8093140 Amorphous Ge/Te deposition process Jan. 10, 2012
8093631 Non-volatile memory device and method for fabricating the same Jan. 10, 2012
8058160 Method of forming nonvolatile memory device Nov. 15, 2011
8058702 Phase change memory cell Nov. 15, 2011
8044489 Semiconductor device with fluorine-containing interlayer dielectric film to prevent chalcogenide material layer from exfoliating from the interlayer dielectric film and process for producing t Oct. 25, 2011
8043926 Nonvolatile memory devices including oxygen-deficient metal oxide layers and methods of manufacturing the same Oct. 25, 2011
8043924 Methods of forming phase-change memory units, and methods of manufacturing phase-change memory devices using the same Oct. 25, 2011
8034690 Method of etching oxide layer and nitride layer Oct. 11, 2011
8013363 Nonvolatile nanotube diodes and nonvolatile nanotube blocks and systems using same and methods of making same Sep. 6, 2011
8013389 Three-dimensional nonvolatile memory devices having sub-divided active bars and methods of manufacturing such devices Sep. 6, 2011
7994588 Inverted nonvolatile memory device, stack module, and method of fabricating the same Aug. 9, 2011
7994003 Nonvolatile memory device and method of fabricating the same Aug. 9, 2011
7989790 Resistance random access memory Aug. 2, 2011
7985647 Method of manufacturing nonvolatile memory device Jul. 26, 2011
7977196 Semiconductor device with increased channel area and fabrication method thereof Jul. 12, 2011

1 2 3 4










 
 
  Recently Added Patents
Method and apparatus for feeding a polyurethane mixture into hollow bodies
Vending machine
Pyrazole kinase modulators and methods of use
Memory interface circuit, memory interface method, and electronic device
Digital broadcast receiver and method for processing caption thereof
Container
Treatment of influenza
  Randomly Featured Patents
Liquid crystal display
Electronically commutated motor systems and control therefor
Composite alignment-maintaining plastic lettering material
Starter culture receptacle and methods using the same
Air filter
Gear shift device
User interface and method for object management
Voltage controlled oscillator using flip-flop controlled switching circuits
Portion of a shoe
Polymers, resist compositions and patterning process