IP Library › Granted Patent US 6,686,668
Granted Patent Utility
US 6,686,668 · Confirmation No. 6494

STRUCTURE AND METHOD OF FORMING BITLINE CONTACTS FOR A VERTICAL DRAM ARRAY USING A LINE BITLINE CONTACT MASK

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2003-10-31 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-11 LET. Miscellaneous Incoming Letter 4 View
2003-09-11 DRW Drawings-only black and white line drawings 7 View
2001-05-29 DRW Drawings-only black and white line drawings 7 View
2001-01-17 TRNA Transmittal of New Application 2 View
2001-01-17 SPEC Specification 16 View
2001-01-17 CLM Claims 6 View
2001-01-17 ABST Abstract 1 View
2001-01-17 DRW Drawings-only black and white line drawings 7 View
2001-01-17 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,686,668
App. No.
09/764,833
Filed
2001-01-17
Granted
2004-02-03
Pub. No.
US20020093112A1
Art Unit
2815
PTA
-120 days