Nonvolatile semiconductor memory device with memory cell...

Details Nonvolatile semiconductor memory device with memory cell... Nonvolatile semiconductor memory device with memory cell...

2011-01-04

2011-01-04

Phung, Anh (Department: 2824)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S314000, C257S316000, C257SE29300

Reexamination Certificate

active

07863668

ABSTRACT:
A semiconductor device includes a semiconductor substrate, a memory cell region provided on the semiconductor substrate, a word line provided on the memory cell region, a first gate insulating film provided in the memory cell region beneath the word line, a first floating gate electrode provided on the first gate insulating film, a second gate insulating film provided in the memory cell region beneath the word line, the second gate insulating film being different from the first gate insulating film in thickness, and a second floating gate electrode provided on the second gate insulating film.

REFERENCES:
patent: 5742670 (1998-04-01), Bennett
patent: 5946230 (1999-08-01), Shimizu et al.
patent: 2004/0047217 (2004-03-01), Kamiya
patent: 2004/0145020 (2004-07-01), Kang et al.
patent: 2005/0035397 (2005-02-01), Otoi et al.
patent: 2005/0041477 (2005-02-01), Lee et al.
patent: 2005/0237842 (2005-10-01), Takeuchi et al.
patent: 11-097652 (1999-04-01), None
patent: 2002-359308 (2002-12-01), None
patent: 2004-111917 (2004-04-01), None
Notice of-Reasons for Rejection-mailed Feb. 16, 2010 by Japanese Patent Office in Japanese counterpart application No. 2005-171306.

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