Granted Patent
Utility
US 6,080,200 · App. 09/179,388
Diffusion simulation method for impurities using mesh points and branches utilizing concentrations of electrically active impurities and effective impurity electric field mobility
Inventor:
Shigetaka Kumashiro
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Oct 27, 1998
Inventor
Shigetaka Kumashiro
Assignee (at issue)
NEC CORPORATION
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.