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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 326


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

Patent Number Title Of Patent Date Issued
7611948 Methods of forming non-volatile memory device Nov. 3, 2009
7605028 Method of forming a memory device having a storage transistor Oct. 20, 2009
7601590 Electronic memory circuit and related manufacturing method Oct. 13, 2009
7602007 Semiconductor device having controllable transistor threshold voltage Oct. 13, 2009
7598563 Memory device and method for manufacturing the same Oct. 6, 2009
7592224 Method of fabricating a storage device including decontinuous storage elements within and between trenches Sep. 22, 2009
7588983 EEPROM cell and EEPROM device with high integration and low source resistance and method of manufacturing the same Sep. 15, 2009
7585717 Method of manufacturing semiconductor device, semiconductor device and electronic apparatus therefore Sep. 8, 2009
7585728 Methods of programming memory cells using manipulation of oxygen vacancies Sep. 8, 2009
7582527 Method for fabricating semiconductor device Sep. 1, 2009
7579240 Method of making vertical transistor with horizontal gate layers Aug. 25, 2009
7566615 Methods of fabricating scalable two transistor memory devices Jul. 28, 2009
7566616 Methods for fabricating flash memory devices Jul. 28, 2009
7563662 Processes for forming electronic devices including non-volatile memory Jul. 21, 2009
7563664 Semiconductor memory device equipped with memory transistor and peripheral transistor and method of manufacturing the same Jul. 21, 2009
7560342 Method of manufacturing a semiconductor device having a plurality of memory and non-memory devices Jul. 14, 2009
7560343 Manufacturing method of non-volatile memory Jul. 14, 2009
7560765 Nonvolatile memory device and method of fabricating the same Jul. 14, 2009
7557004 Method for fabricating semiconductor device Jul. 7, 2009
7553729 Method of manufacturing non-volatile memory device Jun. 30, 2009
7550348 Source side injection storage device with spacer gates and method therefor Jun. 23, 2009
7544569 Bidirectional split gate NAND flash memory structure and array, method of programming, erasing and reading thereof, and method of manufacturing Jun. 9, 2009
7537996 Self-aligned method of forming a semiconductor memory array of floating gate memory cells with buried source line and floating gate May. 26, 2009
7528036 Non-volatile semiconductor memory and method of making same, and semiconductor device and method of making device May. 5, 2009
7528039 Method of fabricating flash memory May. 5, 2009
7528047 Self-aligned split gate memory cell and method of forming May. 5, 2009
7521319 Method of forming gate of flash memory device Apr. 21, 2009
7521321 Method of fabricating a non-volatile semiconductor memory device Apr. 21, 2009
7510936 Nonvolatile memory device and methods of fabricating and driving the same Mar. 31, 2009
7510934 Methods of fabricating nonvolatile memory devices Mar. 31, 2009
7510923 Slim spacer implementation to improve drive current Mar. 31, 2009
7507626 Floating gate of flash memory device and method of forming the same Mar. 24, 2009
7498631 Sensing memory device Mar. 3, 2009
7494870 Methods of forming NAND memory with virtual channel Feb. 24, 2009
7491608 Vertical transistor with horizontal gate layers Feb. 17, 2009
7488646 Nonvolatile semiconductor memory device and its manufacturing method Feb. 10, 2009
7488648 Methods of fabricating scalable two-transistor memory devices having metal source/drain regions Feb. 10, 2009
7476586 NOR flash memory cell with high storage density Jan. 13, 2009
7476588 Methods of forming NAND cell units with string gates of various widths Jan. 13, 2009
7476592 Method for manufacturing semiconductor device Jan. 13, 2009
7473599 Memory capable of storing information and the method of forming and operating the same Jan. 6, 2009
7470587 Flash memory device and method of manufacturing the same Dec. 30, 2008
7465630 Method for manufacturing flash memory device Dec. 16, 2008
7462905 Nonvolatile semiconductor memory device, semiconductor device and method of manufacturing nonvolatile semiconductor memory device Dec. 9, 2008
7456467 Process for manufacturing a byte selection transistor for a matrix of non volatile memory cells and corresponding structure Nov. 25, 2008
7452771 Method for fabricating a semiconductor device Nov. 18, 2008
7439157 Isolation trenches for memory devices Oct. 21, 2008
7429512 Method for fabricating flash memory device Sep. 30, 2008
7427537 Semiconductor integrated circuit device and method for manufacturing the same Sep. 23, 2008
7419869 Semiconductor device and a method for manufacturing the same Sep. 2, 2008

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


 
 
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