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Class Information
Number: 257/325
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) > Multiple insulator layers (e.g., mnos structure) > Non-homogeneous composition insulator layer (e.g., graded composition layer or layer with inclusions)
Description: Subject matter wherein at least one layer has a non-homogeneous composition (e.g., a layer which varies in composition along at least one dimension thereof, or has inclusions of foreign material therein).










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

Patent Number Title Of Patent Date Issued
8710581 Nonvolatile semiconductor memory device and method of manufacturing the same Apr. 29, 2014
8686490 Electron blocking layers for electronic devices Apr. 1, 2014
8674430 Nonvolatile semiconductor storage device Mar. 18, 2014
8664640 Non-volatile memory device including semiconductor charge-trapping material particles Mar. 4, 2014
8659071 Method and structure to improve the erasing speed operation of SONOS memory device having a graded silicon nitride layer Feb. 25, 2014
8659069 Gate structures Feb. 25, 2014
8653518 Semiconductor device Feb. 18, 2014
8648408 Semiconductor device Feb. 11, 2014
8643083 Electronic devices with ultraviolet blocking layers Feb. 4, 2014
8637921 Nitridation oxidation of tunneling layer for improved SONOS speed and retention Jan. 28, 2014
8633530 Semiconductor device and method of manufacturing the same Jan. 21, 2014
8614124 SONOS ONO stack scaling Dec. 24, 2013
8592892 Nonvolatile semiconductor memory device and method for manufacturing the same Nov. 26, 2013
8558304 Methods and devices for forming nanostructure monolayers and devices including such monolayers Oct. 15, 2013
8546223 Semiconductor device and manufacturing method of the same Oct. 1, 2013
8546862 Memory cell, an array, and a method for manufacturing a memory cell Oct. 1, 2013
8546872 Nonvolatile semiconductor memory device and method of manufacturing the same Oct. 1, 2013
8530950 Methods and structures for split gate memory Sep. 10, 2013
8525252 Nonvolatile semiconductor memory device and method of fabricating the same Sep. 3, 2013
8519488 III-V metal-oxide-semiconductor device Aug. 27, 2013
8507976 Nonvolatile memory device and method for fabricating the same Aug. 13, 2013
8487373 SONOS memory cells having non-uniform tunnel oxide and methods for fabricating same Jul. 16, 2013
8481414 Incorporating impurities using a discontinuous mask Jul. 9, 2013
8476696 Nonvolatile semiconductor memory device and method of manufacturing the same Jul. 2, 2013
8471326 Semiconductor memory device and manufacturing method of semiconductor memory device Jun. 25, 2013
8436415 Nonvolatile semiconductor memory device and method of manufacturing the same May. 7, 2013
8436417 Oxide cluster semiconductor memory device May. 7, 2013
8426906 Method and structure for a semiconductor charge storage device Apr. 23, 2013
8410543 Semiconductor storage device and manufacturing method thereof Apr. 2, 2013
8406032 Memory devices and methods of operating the same Mar. 26, 2013
8405143 Semiconductor device Mar. 26, 2013
8405142 Semiconductor memory device Mar. 26, 2013
8405124 Logic element, and integrated circuit or field programmable gate array Mar. 26, 2013
8389368 Method for producing a conductive nanoparticle memory device Mar. 5, 2013
8378410 Semiconductor device and method of manufacturing the same Feb. 19, 2013
8373221 Nanocluster charge storage device Feb. 12, 2013
8343840 Blocking dielectric engineered charge trapping memory cell with high speed erase Jan. 1, 2013
8330207 Flash memory device including multilayer tunnel insulator and method of fabricating the same Dec. 11, 2012
8330210 High-.kappa. capped blocking dielectric bandgap engineered SONOS and MONOS Dec. 11, 2012
8318614 Method for forming silicon nitride film, method for manufacturing nonvolatile semiconductor memory device, nonvolatile semiconductor memory device and plasma apparatus Nov. 27, 2012
8314456 Apparatus including rhodium-based charge traps Nov. 20, 2012
8314458 Semiconductor device and method of manufacturing the same Nov. 20, 2012
8288811 Fortification of charge-storing material in high-K dielectric environments and resulting apparatuses Oct. 16, 2012
8288818 Devices with nanocrystals and methods of formation Oct. 16, 2012
8278700 Semiconductor device Oct. 2, 2012
8268692 Non-volatile memory cell devices and methods Sep. 18, 2012
8269268 Charge trap flash memory device and memory card and system including the same Sep. 18, 2012
8269269 Nonvolatile semiconductor memory device and manufacturing method therefor Sep. 18, 2012
8264026 Nonvolatile memory devices and methods of manufacturing the same Sep. 11, 2012
8263463 Nonvolatile split gate memory cell having oxide growth Sep. 11, 2012

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