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Class Information
Number: 257/319
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Variable threshold (e.g., floating gate memory device) > With floating gate electrode > With additional contacted control electrode > Plural additional contacted control electrodes
Description: Subject matter including more than one additional control (gate) electrode.










Sub-classes under this class:

Class Number Class Name Patents
257/320 Separate control electrodes for charging and for discharging floating electrode 436


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8686490 Electron blocking layers for electronic devices Apr. 1, 2014
8664712 Flash memory cell on SeOI having a second control gate buried under the insulating layer Mar. 4, 2014
8659069 Gate structures Feb. 25, 2014
8648405 Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes Feb. 11, 2014
8644759 Offset cancellation for DC isolated nodes Feb. 4, 2014
8638589 Operating method for non-volatile memory unit Jan. 28, 2014
8624317 Nonvolatile semiconductor memory device and method for manufacturing same Jan. 7, 2014
8610197 Nonvolatile memory having gate electrode and charge storage layer formed respectively over opposite surfaces of semiconductor layer Dec. 17, 2013
8610193 Semiconductor constructions, NAND unit cells, methods of forming semiconductor constructions, and methods of forming NAND unit cells Dec. 17, 2013
8592272 Method of manufacturing non-volatile semiconductor memory device Nov. 26, 2013
8587036 Non-volatile memory and fabricating method thereof Nov. 19, 2013
8587052 Semiconductor devices and methods of fabricating the same Nov. 19, 2013
8581328 Semiconductor memory device Nov. 12, 2013
8581342 Semiconductor device with field electrode and method Nov. 12, 2013
8575682 Three dimensional semiconductor memory devices and methods of forming the same Nov. 5, 2013
8575683 Semiconductor device and method of fabricating the same Nov. 5, 2013
8564057 Power devices, structures, components, and methods using lateral drift, fixed net charge, and shield Oct. 22, 2013
8564045 Memory arrays having substantially vertical, adjacent semiconductor structures and the formation thereof Oct. 22, 2013
8546869 Nonvolatile memory devices having vertically integrated nonvolatile memory cell sub-strings therein Oct. 1, 2013
8530350 Apparatuses including stair-step structures and methods of forming the same Sep. 10, 2013
8530952 Systems, methods and devices for a memory having a buried select line Sep. 10, 2013
8519469 Select gates for memory Aug. 27, 2013
8513728 Array of split gate non-volatile floating gate memory cells having improved strapping of the coupling gates Aug. 20, 2013
8507972 Nonvolatile semiconductor memory device Aug. 13, 2013
8488388 Method of programming a split gate non-volatile floating gate memory cell having a separate erase gate Jul. 16, 2013
8472251 Single-polycrystalline silicon electrically erasable and programmable nonvolatile memory device Jun. 25, 2013
8471327 Nonvolatile semiconductor memory transistor and method for manufacturing nonvolatile semiconductor memory Jun. 25, 2013
8461640 FIN-FET non-volatile memory cell, and an array and method of manufacturing Jun. 11, 2013
8455939 Stacked metal fin cell Jun. 4, 2013
8450791 Ultrahigh density vertical NAND memory device May. 28, 2013
8436411 Non-volatile memory May. 7, 2013
8421143 Nonvolatile semiconductor memory device having element isolating region of trench type Apr. 16, 2013
8410538 Semiconductor memory device and method for manufacturing same Apr. 2, 2013
8411506 Non-volatile memory and operating method of memory cell Apr. 2, 2013
8405139 Nonvolatile semiconductor memory device having element isolating region of trench type Mar. 26, 2013
8377793 Method for manufacturing a non-volatile memory, non-volatile memory device, and an integrated circuit Feb. 19, 2013
8373220 NAND type flash memory for increasing data read/write reliability Feb. 12, 2013
8373222 Nonvolatile semiconductor memory device with alternately stacked isolation dielectric films and electrode films Feb. 12, 2013
8338880 Flash memory Dec. 25, 2012
8319270 Semiconductor device and method for manufacturing the same Nov. 27, 2012
8304826 Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes Nov. 6, 2012
8304309 Select gates for memory Nov. 6, 2012
8299520 Semiconductor devices including auxiliary gate electrodes and methods of fabricating the same Oct. 30, 2012
8294197 Program/erase schemes for floating gate memory cells Oct. 23, 2012
8278701 Nonvolatile memory device Oct. 2, 2012
8274073 Memory device with improved switching speed and data retention Sep. 25, 2012
8274108 Nonvolatile semiconductor memory device and method for manufacturing the same Sep. 25, 2012
8258569 Non-volatile semiconductor memory device Sep. 4, 2012
8253187 Non-volatile semiconductor storage device and method of manufacturing the same Aug. 28, 2012
8247862 Method of enhancing charge storage in an E.sup.2PROM cell Aug. 21, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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