IP Library Granted Patent US 6,423,621
Granted Patent Utility
US 6,423,621 · App. 09/964,145

Controllable ovonic phase-change semiconductor memory device and methods of fabricating the same

Inventors: Trung T. Doan, D. Mark Durcan, Brent Gilgen
Patented Case View Patent ↗
Granted: Jul 23, 2002 Filed: Sep 25, 2001
Inventors
Trung T. Doan
D. Mark Durcan
Brent Gilgen
Assignee (at issue)
Micron Technology, Inc.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,423,621
App. No.
09/964,145
Filed
2001-09-25
Granted
2002-07-23
Kind
B1