Granted Patent
Utility
US 6,498,074 · App. 09/876,888
Thinning and dicing of semiconductor wafers using dry etch, and obtaining semiconductor chips with rounded bottom edges and corners
Inventors:
Oleg Siniaguine, Patrick B. Halahan, Sergey Savastiouk
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jun 6, 2001
Inventors
Oleg Siniaguine
Patrick B. Halahan
Sergey Savastiouk
Assignee (at issue)
Tru-Si Technologies, 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.