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Class Information
Number: 438/260
Name: Semiconductor device manufacturing: process > Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions > Having insulated gate (e.g., igfet, misfet, mosfet, etc.) > Having additional gate electrode surrounded by dielectric (i.e., floating gate) > Textured surface of gate insulator or gate electrode
Description: Process for making a floating gate-type insulated gate field effect transistor wherein a roughened surface is utilized for the gate insulator or gate electrode.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8679917 Buried bit line anti-fuse one-time-programmable nonvolatile memory Mar. 25, 2014
8659069 Gate structures Feb. 25, 2014
8574949 Methods of building crystalline silicon solar cells for use in combinatorial screening Nov. 5, 2013
8575017 Non-volatile semiconductor memory device and method of manufacturing the same Nov. 5, 2013
8530305 Nanodot charge storage structures and methods Sep. 10, 2013
8481386 Nanocrystal memories and methods of forming the same Jul. 9, 2013
8466003 Methods of building crystalline silicon solar cells for use in combinatorial screening Jun. 18, 2013
8440518 Method for manufacturing a pattern formed body, method for manufacturing a functional element, and method for manufacturing a semiconductor element May. 14, 2013
8435855 Methods of manufacturing semiconductor devices May. 7, 2013
8389361 Semiconductor device and method for fabricating thereof Mar. 5, 2013
8324052 Methods of fabricating non-volatile memory devices including double diffused junction regions Dec. 4, 2012
8288811 Fortification of charge-storing material in high-K dielectric environments and resulting apparatuses Oct. 16, 2012
8273665 Nonvolatile memory device using semiconductor nanocrystals and method forming same Sep. 25, 2012
8247292 Nonvolative memory device using semiconductor nanocrystals and method of forming same Aug. 21, 2012
8206995 Method for manufacturing a resistive switching memory device and devices obtained thereof Jun. 26, 2012
8183111 Method of fabricating conductive electrodes on the front and backside of a thin film structure May. 22, 2012
8178412 Semiconductor memory device and method of manufacturing the same May. 15, 2012
8143122 Nonvolatile semiconductor memory and method of manufacturing the same Mar. 27, 2012
8133782 Nonvolatile semiconductor memory device and manufacturing method thereof Mar. 13, 2012
8080474 Method for making electrode Dec. 20, 2011
8071476 Cobalt titanium oxide dielectric films Dec. 6, 2011
8048739 Method of manufacturing flash memory device Nov. 1, 2011
8030161 Gate electrode for a nonvolatile memory cell Oct. 4, 2011
8017991 Non-volatile memory device and methods of operating and fabricating the same Sep. 13, 2011
8017477 Nonvolatile memory devices and methods of fabricating the same Sep. 13, 2011
7998814 Semiconductor memory device and method of fabricating the same Aug. 16, 2011
7989289 Floating gate structures Aug. 2, 2011
7989290 Methods for forming rhodium-based charge traps and apparatus including rhodium-based charge traps Aug. 2, 2011
7985649 Method of making a semiconductor structure useful in making a split gate non-volatile memory cell Jul. 26, 2011
7985686 Method of forming a nonvolatile memory device using semiconductor nanoparticles Jul. 26, 2011
7932189 Process of forming an electronic device including a layer of discontinuous storage elements Apr. 26, 2011
7923327 Method of fabricating non-volatile memory device with concavely depressed electron injection region Apr. 12, 2011
7923328 Split gate non-volatile memory cell with improved endurance and method therefor Apr. 12, 2011
7923769 Split gate non-volatile memory cell with improved endurance and method therefor Apr. 12, 2011
7915122 Self-aligned cell integration scheme Mar. 29, 2011
7915668 Semiconductor device and method for forming the same Mar. 29, 2011
7897458 Method of forming floating gate, non-volatile memory device using the same, and fabricating method thereof Mar. 1, 2011
7892943 Isolation trenches for memory devices Feb. 22, 2011
7888210 Non-volatile memory fabrication and isolation for composite charge storage structures Feb. 15, 2011
7888203 Methods of making nonvolatile memory devices Feb. 15, 2011
7871886 Nanocrystal memory with differential energy bands and method of formation Jan. 18, 2011
7846793 Plasma surface treatment for SI and metal nanocrystal nucleation Dec. 7, 2010
7847325 Method of making discrete trap memory (DTM) mediated by fullerenes Dec. 7, 2010
7838363 Method of forming a split gate non-volatile memory cell Nov. 23, 2010
7824980 Semiconductor device and method for manufacturing the same Nov. 2, 2010
7816207 Semiconductor device having electrode and manufacturing method thereof Oct. 19, 2010
7812450 Electrode with nano-sized structures Oct. 12, 2010
7785963 Method for fabricating inverted T-shaped floating gate memory Aug. 31, 2010
7763511 Dielectric barrier for nanocrystals Jul. 27, 2010
7749837 High coupling memory cell Jul. 6, 2010

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