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) > Patents

Resources

Home

Browse by:

Browse by Category: Main > Engineering

Class Information
Number: 438/257
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)
Description: Process for making an insulated gate field effect transistor wherein an additional gate electrode completely separated by dielectric from a first insulated gate electrode is formed.

Sub-classes under this class:

Class Number	Class Name	Patents
438/266	Having additional, nonmemory control electrode or channel portion (e.g., for accessing field effect transistor structure, etc.)	545
438/258	Including additional field effect transistor (e.g., sense or access transistor, etc.)	878
438/262	Including elongated source or drain region disposed under thick oxide regions (e.g., buried or diffused bitline, etc.)	275
438/259	Including forming gate electrode in trench or recess in substrate	612
438/261	Multiple interelectrode dielectrics or nonsilicon compound gate insulator	540
438/265	Oxidizing sidewall of gate electrode	235
438/260	Textured surface of gate insulator or gate electrode	166
438/264	Tunneling insulator	770

Patents under this class:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number	Title Of Patent	Date Issued
7453116	Semiconductor memory device and method of fabricating the same	Nov. 18, 2008
7452773	Method of manufacturing a flash memory device	Nov. 18, 2008
7452771	Method for fabricating a semiconductor device	Nov. 18, 2008
7452766	Finned memory cells and the fabrication thereof	Nov. 18, 2008
7449743	Control gate profile for flash technology	Nov. 11, 2008
7449390	Methods of forming memory	Nov. 11, 2008
7445995	Flash memory structure and fabrication method thereof	Nov. 4, 2008
7445994	Methods of forming non-volatile memory devices using selective nitridation techniques	Nov. 4, 2008
7445993	Method of fabricating non-volatile memory	Nov. 4, 2008
7445992	Method for fabricating cell structure of non-volatile memory device	Nov. 4, 2008
7443725	Floating gate isolation and method of making the same	Oct. 28, 2008
7442606	Method of manufacturing a semiconductor device	Oct. 28, 2008
7442605	Resistively switching memory	Oct. 28, 2008
7442567	Method for fabricating transflective liquid crystal display	Oct. 28, 2008
7439567	Contactless nonvolatile memory array	Oct. 21, 2008
7439157	Isolation trenches for memory devices	Oct. 21, 2008
7439135	Self-aligned body contact for a semiconductor-on-insulator trench device and method of fabricating same	Oct. 21, 2008
7439134	Method for process integration of non-volatile memory cell transistors with transistors of another type	Oct. 21, 2008
7439132	Semiconductor device comprising capacitor and method of fabricating the same	Oct. 21, 2008
7439131	Flash memory device having resistivity measurement pattern and method of forming the same	Oct. 21, 2008
7439125	Contact structure for a stack DRAM storage capacitor	Oct. 21, 2008
7439082	Conductive memory stack with non-uniform width	Oct. 21, 2008
7436019	Non-volatile memory cells shaped to increase coupling to word lines	Oct. 14, 2008
7435648	Methods of trench and contact formation in memory cells	Oct. 14, 2008
7435647	NOR-type flash memory device and manufacturing method thereof	Oct. 14, 2008
7435646	Method for forming floating gates within NVM process	Oct. 14, 2008
7435645	Dynamic random access memory (DRAM)	Oct. 14, 2008
RE40532	Non-volatile memory cell and fabrication method	Oct. 7, 2008
7432153	Direct tunneling semiconductor memory device and fabrication process thereof	Oct. 7, 2008
7429766	Split gate type nonvolatile memory device	Sep. 30, 2008
7429512	Method for fabricating flash memory device	Sep. 30, 2008
7429511	Method of forming a tunneling insulating layer in nonvolatile memory device	Sep. 30, 2008
7427546	Transistor device and method for manufacturing the same	Sep. 23, 2008
7427537	Semiconductor integrated circuit device and method for manufacturing the same	Sep. 23, 2008
7427533	Methods of fabricating semiconductor devices including trench device isolation layers having protective insulating layers and related devices	Sep. 23, 2008
7425482	Non-volatile memory device and method for fabricating the same	Sep. 16, 2008
7423312	Apparatus and method for a memory array with shallow trench isolation regions between bit lines for increased process margins	Sep. 9, 2008
7422939	Semiconductor device having one-time programmable ROM and method of fabricating the same	Sep. 9, 2008
7422932	Nonvolatile semiconductor memory device	Sep. 9, 2008
7419895	NAND memory arrays	Sep. 2, 2008
7419888	Method of forming a silicon-rich nanocrystalline structure by an atomic layer deposition process and method of manufacturing a non-volatile semiconductor device using the same	Sep. 2, 2008
7419875	Shallow trench isolation in floating gate devices	Sep. 2, 2008
7419869	Semiconductor device and a method for manufacturing the same	Sep. 2, 2008
7419865	Methods of forming memory circuitry	Sep. 2, 2008
7416945	Method for forming a split gate memory device	Aug. 26, 2008
7416942	Method for manufacturing semiconductor device	Aug. 26, 2008
7416941	Four-bit finfet NVRAM memory device	Aug. 26, 2008
7416940	Methods for fabricating flash memory devices	Aug. 26, 2008
7416939	Conductive spacers extended floating gates	Aug. 26, 2008
7416935	Method of manufacturing nonvolatile semiconductor memory device having adjacent selection transistors connected together	Aug. 26, 2008