Granted Patent
Utility
US 6,444,518 · App. 09/880,358
Method and manufacturing a device separation film in a semiconductor device
Inventors:
Min Sik Jang, Young Jong Ki
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jun 13, 2001
Inventors
Min Sik Jang
Young Jong Ki
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.