Granted Patent
Utility
US 6,337,254 · App. 09/286,670
Method of forming trench isolation structure with dummy active regions and overlying discriminately doped conduction layer
Inventor:
Jae-Gyung Ahn
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Apr 6, 1999
Inventor
Jae-Gyung Ahn
Assignee (at issue)
Hyundai Electronics Industries Co. Ltd.
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.