Inventor
SUNG HUNG-CHENG
TW100 patents
Patents
50 patentsUS5441907AAug 15, 1995
Process for manufacturing a plug-diode mask ROM
TAIWAN SEMICONDUCTOR MFG162 citations99
US5595927AJan 21, 1997
Method for making self-aligned source/drain mask ROM memory cell using trench etched channel
TAIWAN SEMICONDUCTOR MFG157 citations97
US6380583B1Apr 30, 2002
Method to increase coupling ratio of source to floating gate in split-gate flash
TAIWAN SEMICONDUCTOR MFG46 citations96
US6228695B1May 8, 2001
Method to fabricate split-gate with self-aligned source and self-aligned floating gate to control gate
TAIWAN SEMICONDUCTOR MFG76 citations96
US6159801ADec 12, 2000
Method to increase coupling ratio of source to floating gate in split-gate flash
TAIWAN SEMICONDUCTOR MFG84 citations96
US6117733ASep 12, 2000
Poly tip formation and self-align source process for split-gate flash cell
TAIWAN SEMICONDUCTOR MFG85 citations96
US5962903AOct 5, 1999
Planarized plug-diode mask ROM structure
TAIWAN SEMICONDUCTOR MFG72 citations96
US5631179AMay 20, 1997
Method of manufacturing metallic source line, self-aligned contact for flash memory devices
TAIWAN SEMICONDUCTOR MFG86 citations96
US5589413ADec 31, 1996
Method of manufacturing self-aligned bit-line during EPROM fabrication
TAIWAN SEMICONDUCTOR MFG49 citations96
US6204126B1Mar 20, 2001
Method to fabricate a new structure with multi-self-aligned for split-gate flash
TAIWAN SEMICONDUCTOR MFG56 citations95
US6559501B2May 6, 2003
Method for forming split-gate flash cell for salicide and self-align contact
TAIWAN SEMICONDUCTOR MFG16 citations93
US6441429B1Aug 27, 2002
Split-gate flash memory device having floating gate electrode with sharp peak
TAIWAN SEMICONDUCTOR MFG24 citations93
US6417049B1Jul 9, 2002
Split gate flash cell for multiple storage
TAIWAN SEMICONDUCTOR MFG28 citations93
US6380035B1Apr 30, 2002
Poly tip formation and self-align source process for split-gate flash cell
TAIWAN SEMICONDUCTOR MFG19 citations93
US6355527B1Mar 12, 2002
Method to increase coupling ratio of source to floating gate in split-gate flash
TAIWAN SEMICONDUCTOR MFG28 citations93
US6284596B1Sep 4, 2001
Method of forming split-gate flash cell for salicide and self-align contact
TAIWAN SEMICONDUCTOR MFG39 citations93
US6251744B1Jun 26, 2001
Implant method to improve characteristics of high voltage isolation and high voltage breakdown
TAIWAN SEMICONDUCTOR MFG32 citations93
US6249454B1Jun 19, 2001
Split-gate flash cell for virtual ground architecture
TAIWAN SEMICONDUCTOR MFG23 citations93
US6242308B1Jun 5, 2001
Method of forming poly tip to improve erasing and programming speed split gate flash
TAIWAN SEMICONDUCTOR MFG21 citations93
US6214662B1Apr 10, 2001
Forming self-align source line for memory array
TAIWAN SEMICONDUCTOR MFG27 citations93
US6174772B1Jan 16, 2001
Optimal process flow of fabricating nitride spacer without inter-poly oxide damage in split gate flash
TAIWAN SEMICONDUCTOR MFG16 citations93
US6165845ADec 26, 2000
Method to fabricate poly tip in split-gate flash
TAIWAN SEMICONDUCTOR MFG29 citations93
US6130132AOct 10, 2000
Clean process for manufacturing of split-gate flash memory device having floating gate electrode with sharp peak
TAIWAN SEMICONDUCTOR MFG29 citations93
US6127229AOct 3, 2000
Process of forming an EEPROM device having a split gate
TAIWAN SEMICONDUCTOR MFG36 citations93
US6093608AJul 25, 2000
Source side injection programming and tip erasing P-channel split gate flash memory cell
TAIWAN SEMICONDUCTOR MFG18 citations93
US6005809ADec 21, 1999
Program and erase method for a split gate flash EEPROM
TAIWAN SEMICONDUCTOR MFG33 citations93
US5976927ANov 2, 1999
Two mask method for reducing field oxide encroachment in memory arrays
TAIWAN SEMICONDUCTOR MFG23 citations93
US5858840AJan 12, 1999
Method of forming sharp beak of poly by nitrogen implant to improve erase speed for split-gate flash
TAIWAN SEMICONDUCTOR MFG37 citations93
US5814862ASep 29, 1998
Metallic source line and drain plug with self-aligned contacts for flash memory device
TAIWAN SEMICONDUCTOR MFG33 citations93
US5734607AMar 31, 1998
Method of manufacturing self-aligned bit-line and device manufactured therby
TAIWAN SEMICONDUCTOR MFG43 citations93
US6828183B1Dec 7, 2004
Process for high voltage oxide and select gate poly for split-gate flash memory
TAIWAN SEMICONDUCTOR MFG27 citations92
US6753569B2Jun 22, 2004
Method to fabricate a non-smiling effect structure in split-gate flash with self-aligned isolation
TAIWAN SEMICONDUCTOR MFG18 citations92
US6649489B1Nov 18, 2003
Poly etching solution to improve silicon trench for low STI profile
TAIWAN SEMICONDUCTOR MFG39 citations92
US6538277B2Mar 25, 2003
Split-gate flash cell
TAIWAN SEMICONDUCTOR MFG23 citations92
US6482700B2Nov 19, 2002
Split gate field effect transistor (FET) device with enhanced electrode registration and method for fabrication thereof
TAIWAN SEMICONDUCTOR MFG20 citations92
US6358796B1Mar 19, 2002
Method to fabricate a non-smiling effect structure in split-gate flash with self-aligned isolation
TAIWAN SEMICONDUCTOR MFG46 citations92
US6312989B1Nov 6, 2001
Structure with protruding source in split-gate flash
TAIWAN SEMICONDUCTOR MFG43 citations92
US6309928B1Oct 30, 2001
Split-gate flash cell
TAIWAN SEMICONDUCTOR MFG25 citations92
US6229176B1May 8, 2001
Split gate flash with step poly to improve program speed
TAIWAN SEMICONDUCTOR MFG37 citations92
US6124609ASep 26, 2000
Split gate flash memory with buried source to shrink cell dimension and increase coupling ratio
TAIWAN SEMICONDUCTOR MFG22 citations92
US6090668AJul 18, 2000
Method to fabricate sharp tip of poly in split gate flash
TAIWAN SEMICONDUCTOR MFG34 citations92
US6046086AApr 4, 2000
Method to improve the capacity of data retention and increase the coupling ratio of source to floating gate in split-gate flash
TAIWAN SEMICONDUCTOR MFG35 citations92
US6017795AJan 25, 2000
Method of fabricating buried source to shrink cell dimension and increase coupling ratio in split-gate flash
TAIWAN SEMICONDUCTOR MFG37 citations92
US5970371AOct 19, 1999
Method of forming sharp beak of poly to improve erase speed in split-gate flash EEPROM
TAIWAN SEMICONDUCTOR MFG31 citations92
US5879992AMar 9, 1999
Method of fabricating step poly to improve program speed in split gate flash
TAIWAN SEMICONDUCTOR MFG38 citations92
US5751040AMay 12, 1998
Self-aligned source/drain mask ROM memory cell using trench etched channel
TAIWAN SEMICONDUCTOR MFG26 citations91
US6569736B1May 27, 2003
Method for fabricating square polysilicon spacers for a split gate flash memory device by multi-step polysilicon etch
TAIWAN SEMICONDUCTOR MFG22 citations90
US6259131B1Jul 10, 2001
Poly tip and self aligned source for split-gate flash cell
TAIWAN SEMICONDUCTOR MFG37 citations90
US7667261B2Feb 23, 2010
Split-gate memory cells and fabrication methods thereof
TAIWAN SEMICONDUCTOR MFG9 citations84
US7557402B2Jul 7, 2009
High write and erase efficiency embedded flash cell
TAIWAN SEMICONDUCTOR MFG8 citations84
Showing the top 50 of 100 patents by PatentIndex Score.