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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
7427537 Semiconductor integrated circuit device and method for manufacturing the same Sep. 23, 2008
7419895 NAND memory arrays Sep. 2, 2008
7419869 Semiconductor device and a method for manufacturing the same Sep. 2, 2008
7410867 Vertical transistor with horizontal gate layers Aug. 12, 2008
7410871 Split gate type flash memory device and method for manufacturing same Aug. 12, 2008
7407857 Method of making a scalable flash EEPROM memory cell with notched floating gate and graded source region Aug. 5, 2008
7399672 Methods of forming nonvolatile memory devices Jul. 15, 2008
7399675 Electronic device including an array and process for forming the same Jul. 15, 2008
7396722 Memory device with reduced cell area Jul. 8, 2008
7393748 Method of fabricating a semiconductor memory device Jul. 1, 2008
7378315 Method for fabricating semiconductor device May. 27, 2008
7374989 Flash memory and methods of fabricating the same May. 20, 2008
7374999 Semiconductor device May. 20, 2008
7374996 Structured, electrically-formed floating gate for flash memories May. 20, 2008
7371642 Multi-state NROM device May. 13, 2008
7371643 Nonvolatile semiconductor memory device May. 13, 2008
7371645 Method of manufacturing a field effect transistor device with recessed channel and corner gate device May. 13, 2008
7361543 Method of forming a nanocluster charge storage device Apr. 22, 2008
7361554 Multi-bit non-volatile memory device, method of operating the same, and method of manufacturing the multi-bit non-volatile memory device Apr. 22, 2008
7358559 Bi-directional read/program non-volatile floating gate memory array, and method of formation Apr. 15, 2008
7358140 Pattern density control using edge printing processes Apr. 15, 2008
7348237 NOR flash memory cell with high storage density Mar. 25, 2008
7348242 Nonvolatile memory device and methods of fabricating the same Mar. 25, 2008
7344944 Non-volatile memory device and fabricating method thereof Mar. 18, 2008
7341914 Method for forming a non-volatile memory and a peripheral device on a semiconductor substrate Mar. 11, 2008
7338861 Nonvolatile memory device and method of manufacturing the same Mar. 4, 2008
7335559 Fabricating method of non-volatile memory Feb. 26, 2008
7335557 Semiconductor device of non-volatile memory Feb. 26, 2008
7335558 Method of manufacturing NAND flash memory device Feb. 26, 2008
7332408 Isolation trenches for memory devices Feb. 19, 2008
7329580 Method of fabricating a semiconductor device having self-aligned floating gate and related device Feb. 12, 2008
7326616 Semiconductor integrated circuit device and a method of manufacturing the same Feb. 5, 2008
7319058 Fabrication method of a non-volatile memory Jan. 15, 2008
7314797 Semiconductor device and its manufacturing method Jan. 1, 2008
7309629 Method for fabricating semiconductor device Dec. 18, 2007
7306990 Information storage element, manufacturing method thereof, and memory array Dec. 11, 2007
7307308 Buried bit line non-volatile floating gate memory cell with independent controllable control gate in a trench, and array thereof, and method of formation Dec. 11, 2007
7303958 Semiconductor device and method of manufacturing the same Dec. 4, 2007
7297598 Process for erase improvement in a non-volatile memory device Nov. 20, 2007
7282401 Method and apparatus for a self-aligned recessed access device (RAD) transistor gate Oct. 16, 2007
7279385 Flash memory device and manufacturing method thereof Oct. 9, 2007
7274062 Non-volatile memory and fabricating method and operating method thereof Sep. 25, 2007
7273782 Method for manufacturing and operating a non-volatile memory Sep. 25, 2007
7268041 Method of forming source contact of flash memory device Sep. 11, 2007
7265012 Formation of standard voltage threshold and low voltage threshold MOSFET devices Sep. 4, 2007
7262096 NAND flash memory cell row and manufacturing method thereof Aug. 28, 2007
7259422 Nonvolatile semiconductor memory device and its fabrication method Aug. 21, 2007
7259098 Methods for fabricating semiconductor devices Aug. 21, 2007
7259066 One-transistor composite-gate memory Aug. 21, 2007
7256446 One time programmable memory cell Aug. 14, 2007

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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