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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 340


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

Patent Number Title Of Patent Date Issued
7602069 Micro electronic component with electrically accessible metallic clusters Oct. 13, 2009
7602008 Split gate non-volatile memory devices and methods of forming the same Oct. 13, 2009
7585724 FLASH memory device and method of manufacture Sep. 8, 2009
7585755 Method of fabricating non-volatile memory device Sep. 8, 2009
7586145 EEPROM flash memory device with jagged edge floating gate Sep. 8, 2009
7573092 Nonvolatile semiconductor memory device having element isolating region of trench type Aug. 11, 2009
7569882 Non-volatile multibit memory cell and method of manufacturing thereof Aug. 4, 2009
7560346 Semiconductor device and method of manufacturing the same Jul. 14, 2009
7554840 Semiconductor device and fabrication thereof Jun. 30, 2009
7547941 NAND non-volatile two-bit memory and fabrication method Jun. 16, 2009
7528436 Scalable electrically eraseable and programmable memory May. 5, 2009
7528438 Non-volatile memory including assist gate May. 5, 2009
7521750 Semiconductor device having multi-bit nonvolatile memory cell and methods of fabricating the same Apr. 21, 2009
7501677 SONOS memory with inversion bit-lines Mar. 10, 2009
7501678 Nonvolatile semiconductor memory device Mar. 10, 2009
7498630 Nonvolatile semiconductor memory Mar. 3, 2009
7495281 Non-volatile memory device and methods of forming and operating the same Feb. 24, 2009
7491999 Non-volatile memory cells utilizing substrate trenches Feb. 17, 2009
7492000 Self-aligned split-gate nonvolatile memory structure and a method of making the same Feb. 17, 2009
7492002 Non-volatile memory device with a select gate electrode and a control gate electrode formed on a floating gate Feb. 17, 2009
7449746 EEPROM with split gate source side injection Nov. 11, 2008
7449745 Nonvolatile semiconductor memory device having element isolating region of trench type Nov. 11, 2008
7449744 Non-volatile electrically alterable memory cell and use thereof in multi-function memory array Nov. 11, 2008
7449742 Memory device with active layer of dendrimeric material Nov. 11, 2008
7442985 Semiconductor memory device having memory cell section and peripheral circuit section and method of manufacturing the same Oct. 28, 2008
7442988 Semiconductor devices and methods of fabricating the same Oct. 28, 2008
RE40486 Self-aligned non-volatile memory cell Sep. 9, 2008
7391078 Non-volatile memory and manufacturing and operating method thereof Jun. 24, 2008
7382015 Semiconductor device including an element isolation portion having a recess Jun. 3, 2008
7378706 Semiconductor device and method of manufacturing the same May. 27, 2008
7369436 Vertical NAND flash memory device May. 6, 2008
7355237 Shield plate for limiting cross coupling between floating gates Apr. 8, 2008
7352026 EEPROM cell and EEPROM device with high integration and low source resistance and method of manufacturing the same Apr. 1, 2008
7348627 Nonvolatile semiconductor memory device having element isolating region of trench type Mar. 25, 2008
7339230 Structure and method for making high density mosfet circuits with different height contact lines Mar. 4, 2008
7339232 Semiconductor device having multi-bit nonvolatile memory cell and methods of fabricating the same Mar. 4, 2008
7323740 Single chip data processing device with embedded nonvolatile memory and method thereof Jan. 29, 2008
7315057 Split gate non-volatile memory devices and methods of forming same Jan. 1, 2008
7312495 Split gate multi-bit memory cell Dec. 25, 2007
7307882 Non-volatile memory Dec. 11, 2007
7300745 Use of pedestals to fabricate contact openings Nov. 27, 2007
7298006 Nonvolatile semiconductor memory device including improved gate electrode Nov. 20, 2007
7285816 Content addressable matrix memory cell Oct. 23, 2007
7265411 Non-volatile memory having multiple gate structure Sep. 4, 2007
7253069 Method for manufacturing silicon-on-insulator wafer Aug. 7, 2007
7253468 Flash memory and methods of fabricating the same Aug. 7, 2007
7250652 Nonvolatile semiconductor memory device including an assistant gate formed in a trench Jul. 31, 2007
7244984 Nonvolatile semiconductor memory including two memory cell columns sharing a single bit line Jul. 17, 2007
7242051 Split gate NAND flash memory structure and array, method of programming, erasing and reading thereof, and method of manufacturing Jul. 10, 2007
7238983 Fabrication of conductive lines interconnecting conductive gates in nonvolatile memories, and non-volatile memory structures Jul. 3, 2007

1 2 3 4 5 6 7 8


 
 
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