Non-volatile semiconductor storage device and method of manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 23, 2013
Grant Date -
May 31, 2012
app pub date -
Feb 3, 2012
filing date -
Oct 29, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A non-volatile semiconductor storage device has a plurality of memory strings with a plurality of electrically rewritable memory cells connected in series. Each of the memory strings includes: a first columnar semiconductor layer extending in a direction perpendicular to a substrate; a charge accumulation layer formed on the first columnar semiconductor layer via a first air gap and accumulating charges; a block insulation layer contacting the charge accumulation layer; and a plurality of first conductive layers contacting the block insulation layer.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully