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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

Patent Number Title Of Patent Date Issued
7592224 Method of fabricating a storage device including decontinuous storage elements within and between trenches Sep. 22, 2009
7582930 Non-volatile memory and method for manufacturing non-volatile memory Sep. 1, 2009
7579237 Nonvolatile memory device and method of manufacturing the same Aug. 25, 2009
7575978 Method for making conductive nanoparticle charge storage element Aug. 18, 2009
7566616 Methods for fabricating flash memory devices Jul. 28, 2009
7560340 Method of manufacturing flash memory device Jul. 14, 2009
7531404 Semiconductor device having a metal gate electrode formed on an annealed high-k gate dielectric layer May. 12, 2009
7518176 Programmable nonvolatile memory and semiconductor integrated circuit device Apr. 14, 2009
7508026 Non-volatile semiconductor memory device having a two-layer gate electrode transistor and method of manufacturing the device Mar. 24, 2009
7494861 Method for metal gated ultra short MOSFET devices Feb. 24, 2009
7485526 Floating-gate structure with dielectric component Feb. 3, 2009
7453116 Semiconductor memory device and method of fabricating the same Nov. 18, 2008
7445997 Methods of forming non-volatile memory devices having floating gate electrodes Nov. 4, 2008
7445984 Method for removing nanoclusters from selected regions Nov. 4, 2008
7445998 Method for fabricating semiconductor device Nov. 4, 2008
7439157 Isolation trenches for memory devices Oct. 21, 2008
7432156 Memory device and methods for its fabrication Oct. 7, 2008
7432158 Method for retaining nanocluster size and electrical characteristics during processing Oct. 7, 2008
7432157 Method of fabricating flash memory Oct. 7, 2008
7419870 Method of manufacturing a flash memory device Sep. 2, 2008
7407857 Method of making a scalable flash EEPROM memory cell with notched floating gate and graded source region Aug. 5, 2008
7390691 Increasing phase change memory column landing margin Jun. 24, 2008
7374989 Flash memory and methods of fabricating the same May. 20, 2008
7371645 Method of manufacturing a field effect transistor device with recessed channel and corner gate device May. 13, 2008
RE40275 Method for producing a memory cell Apr. 29, 2008
7361543 Method of forming a nanocluster charge storage device Apr. 22, 2008
7358134 Split gate flash memory cell and manufacturing method thereof Apr. 15, 2008
7354824 Fabrication method of non-volatile memory Apr. 8, 2008
7341914 Method for forming a non-volatile memory and a peripheral device on a semiconductor substrate Mar. 11, 2008
7335558 Method of manufacturing NAND flash memory device Feb. 26, 2008
7332408 Isolation trenches for memory devices Feb. 19, 2008
7320914 System and method for gate formation in a semiconductor device Jan. 22, 2008
7312498 Nonvolatile semiconductor memory cell and method of manufacturing the same Dec. 25, 2007
7282758 Method of fabricating a floating gate for a nonvolatile memory Oct. 16, 2007
7279385 Flash memory device and manufacturing method thereof Oct. 9, 2007
7189618 Method of manufacturing a transistor of a semiconductor device Mar. 13, 2007
7183143 Method for forming nitrided tunnel oxide layer Feb. 27, 2007
7183158 Method of fabricating a non-volatile memory Feb. 27, 2007
7179709 Method of fabricating non-volatile memory device having local SONOS gate structure Feb. 20, 2007
7169667 Nonvolatile memory cell with multiple floating gates formed after the select gate Jan. 30, 2007
7160775 Method of discharging a semiconductor device Jan. 9, 2007
7157334 Method of manufacturing flash memory device Jan. 2, 2007
7125770 Gate Structure in flash memory cell and method of forming the same, and method of forming dielectric film Oct. 24, 2006
7118969 Method of manufacturing a floating gate and method of manufacturing a non-volatile semiconductor memory device comprising the same Oct. 10, 2006
7118967 Protection of charge trapping dielectric flash memory devices from UV-induced charging in BEOL processing Oct. 10, 2006
7101760 Charge trapping nanocrystal dielectric for non-volatile memory transistor Sep. 5, 2006
7101756 Methods for enhancing capacitors having roughened features to increase charge-storage capacity Sep. 5, 2006
7091550 Non-volatile memory device and method of manufacturing the same Aug. 15, 2006
7074676 Memory film, method of manufacturing the memory film, memory element, semiconductor storage device, semiconductor integrated circuit, and portable electronic equipment Jul. 11, 2006
7053442 Nonvolatile semiconductor memory device May. 30, 2006

1 2 3 4


 
 
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