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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
8691647 Memory devices containing a high-K dielectric layer Apr. 8, 2014
8686487 Semiconductor devices and electronic systems comprising floating gate transistors Apr. 1, 2014
8664063 Method of producing a semiconductor device and semiconductor device Mar. 4, 2014
8652903 Access transistor for memory device Feb. 18, 2014
8643081 Semiconductor memory device Feb. 4, 2014
8618586 Memory device, semiconductor device, and electronic device Dec. 31, 2013
8609487 Method of manufacturing semiconductor device Dec. 17, 2013
8592275 Semiconductor device and production method thereof Nov. 26, 2013
8592979 Semiconductor device conductive pattern structures and methods of manufacturing the same Nov. 26, 2013
8575017 Non-volatile semiconductor memory device and method of manufacturing the same Nov. 5, 2013
8564045 Memory arrays having substantially vertical, adjacent semiconductor structures and the formation thereof Oct. 22, 2013
8530309 Memory device and method for fabricating the same Sep. 10, 2013
8519468 Semiconductor device Aug. 27, 2013
8518776 Methods for producing a tunnel field-effect transistor Aug. 27, 2013
8513076 Non-volatile memory device and method for fabricating the same Aug. 20, 2013
8501564 Semiconductor element, semiconductor device, and method for manufacturing the same Aug. 6, 2013
8486794 Method for manufacturing semiconductor structure Jul. 16, 2013
8470671 Method of manufacturing a 3-D vertical memory Jun. 25, 2013
8450174 Non-volatile storage having a connected source and well May. 28, 2013
8441009 Semiconductor device and manufacturing method thereof May. 14, 2013
8435856 Floating gate flash cell device and method for partially etching silicon gate to form the same May. 7, 2013
8435877 Methods of manufacturing semiconductor devices May. 7, 2013
8404541 Strapping contact for charge protection Mar. 26, 2013
8404576 Methods of forming a gate structure Mar. 26, 2013
8404542 Semiconductor device having transistor with vertical gate electrode and method of fabricating the same Mar. 26, 2013
8399322 Non-volatile semiconductor memory device and method of manufacturing the same Mar. 19, 2013
8394700 Device including memory array and method thereof Mar. 12, 2013
8389356 Flash cell with floating gate transistors formed using spacer technology Mar. 5, 2013
8383479 Integrated nanostructure-based non-volatile memory fabrication Feb. 26, 2013
8377720 Method of manufacturing a semiconductor device including an insulating film beside an element isolation film Feb. 19, 2013
8377782 Method for fabricating a non-volatile memory device Feb. 19, 2013
8378410 Semiconductor device and method of manufacturing the same Feb. 19, 2013
8361821 Pixel designs of improving the aperture ratio in an LCD Jan. 29, 2013
8362538 Memory device, semiconductor device, and electronic device Jan. 29, 2013
8349686 Nonvolatile semiconductor memory device and method of manufacturing the same Jan. 8, 2013
8338252 Non-volatile semiconductor memory device and method of manufacturing the same Dec. 25, 2012
8334180 Flash memory cell arrays having dual control gates per memory cell charge storage element Dec. 18, 2012
8334559 Semiconductor storage device and manufacturing method Dec. 18, 2012
8329529 Via contact structures and methods for integrated circuits Dec. 11, 2012
8324052 Methods of fabricating non-volatile memory devices including double diffused junction regions Dec. 4, 2012
8325529 Bit-line connections for non-volatile storage Dec. 4, 2012
8319283 Laterally diffused metal oxide semiconductor (LDMOS) device with multiple gates and doped regions Nov. 27, 2012
8314457 Non-volatile memory devices Nov. 20, 2012
8310000 Nonvolatile semiconductor memory device and manufacturing method thereof Nov. 13, 2012
8278170 Methods of forming nonvolatile memory devices having vertically integrated nonvolatile memory cell sub-strings therein Oct. 2, 2012
8273625 Structure for flash memory cells Sep. 25, 2012
8274108 Nonvolatile semiconductor memory device and method for manufacturing the same Sep. 25, 2012
8242007 Semiconductor device formed using single polysilicon process and method of fabricating the same Aug. 14, 2012
8237213 Memory arrays having substantially vertical, adjacent semiconductor structures and the formation thereof Aug. 7, 2012
8216899 Flash memory device and method manufacturing the same Jul. 10, 2012

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










 
 
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