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Class Information
Number: 438/266
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) > Having additional, nonmemory control electrode or channel portion (e.g., for accessing field effect transistor structure, etc.)
Description: Process for making a floating gate-type field effect transistor having an additional, nonmemory control electrode (i.e., having direct electrical contact thereto) or channel portion.










Sub-classes under this class:

Class Number Class Name Patents
438/267 Including forming gate electrode as conductive sidewall spacer to another electrode 413


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8211767 Nonvolatile semiconductor memory and manufacturing method thereof Jul. 3, 2012
8207036 Method for forming self-aligned dielectric cap above floating gate Jun. 26, 2012
8207034 Semiconductor memory device and method of manufacturing semiconductor memory device Jun. 26, 2012
8198156 Non-volatile memory device and method for fabricating the same Jun. 12, 2012
8193576 Semiconductor memory device and method of fabricating the same Jun. 5, 2012
8187936 Ultrahigh density vertical NAND memory device and method of making thereof May. 29, 2012
8178412 Semiconductor memory device and method of manufacturing the same May. 15, 2012
8178408 Methods of manufacturing charge trap-type non-volatile memory devices May. 15, 2012
8173505 Method of making a split gate memory cell May. 8, 2012
8163608 Methods of fabricating nonvolatile memory devices Apr. 24, 2012
8163616 Methods of manufacturing nonvolatile memory devices Apr. 24, 2012
8158480 Method of forming a pattern for a semiconductor device, method of forming a charge storage pattern using the same method, non-volatile memory device and methods of manufacturing the same Apr. 17, 2012
8159020 Non-volatile two transistor semiconductor memory cell and method for producing the same Apr. 17, 2012
8148769 Nonvolatile semiconductor memory device and method of manufacturing the same Apr. 3, 2012
8143122 Nonvolatile semiconductor memory and method of manufacturing the same Mar. 27, 2012
8138035 Method for forming integrated circuits with aligned (100) NMOS and (110) PMOS FinFET sidewall channels Mar. 20, 2012
8119480 Semiconductor memory devices performing erase operation using erase gate and methods of manufacturing the same Feb. 21, 2012
8114730 Shared contact structure, semiconductor device and method of fabricating the semiconductor device Feb. 14, 2012
8110454 Methods of forming drain extended transistors Feb. 7, 2012
8101484 Method of forming a FET having ultra-low on-resistance and low gate charge Jan. 24, 2012
8097505 Method of forming isolation layer in semiconductor device Jan. 17, 2012
8097507 Method of fabricating a semiconductor device Jan. 17, 2012
8093125 Manufacturing method of capacitor in semiconductor device Jan. 10, 2012
8072023 Isolation for non-volatile memory cell array Dec. 6, 2011
8071449 Semiconductor storage device and method for manufacturing the same Dec. 6, 2011
8067809 Semiconductor storage device including a gate insulating film with a favorable nitrogen concentration profile and method for manufacturing the same Nov. 29, 2011
8063431 EEPROM and method for manufacturing EEPROM Nov. 22, 2011
8048739 Method of manufacturing flash memory device Nov. 1, 2011
8049266 Nonvolatile semiconductor memory device and manufacturing method thereof Nov. 1, 2011
8043914 Methods of fabricating flash memory devices comprising forming a silicide on exposed upper and side surfaces of a control gate Oct. 25, 2011
8022462 Methods of forming shallow trench isolation structures with buried bit lines in non-volatile memories Sep. 20, 2011
8017991 Non-volatile memory device and methods of operating and fabricating the same Sep. 13, 2011
8017481 Methods of forming nanoscale floating gate Sep. 13, 2011
8017477 Nonvolatile memory devices and methods of fabricating the same Sep. 13, 2011
7999307 Nonvolatile memory device having cell and peripheral regions and method of making the same Aug. 16, 2011
7994004 Flash memory cell arrays having dual control gates per memory cell charge storage element Aug. 9, 2011
7977190 Memory devices having reduced interference between floating gates and methods of fabricating such devices Jul. 12, 2011
7977191 Method for fabricating flash memory device Jul. 12, 2011
7973357 Non-volatile memory devices Jul. 5, 2011
7968399 Semiconductor device and method of manufacturing the same Jun. 28, 2011
7968408 MIM capacitor and method of fabricating the same Jun. 28, 2011
7968935 Reconfigurable semiconductor device Jun. 28, 2011
7955931 Method and apparatus for fabricating a carbon nanotube transistor Jun. 7, 2011
7948026 Non-volatile semiconductor memory device and method of manufacturing the same May. 24, 2011
7943464 Non-volatile electromechanical field effect devices and circuits using same and methods of forming same May. 17, 2011
7939406 Nonvolatile semiconductor memory device having element isolating region of trench type May. 10, 2011
7928504 Semiconductor memory device and method for manufacturing the same Apr. 19, 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
7923327 Method of fabricating non-volatile memory device with concavely depressed electron injection region Apr. 12, 2011

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