Granted Patent
Utility
US 6,168,978 · App. 09/243,765
Method for producing a power semiconductor component on a two-sided substrate that blocks on both sides of the substrate
Inventor:
Hans-Joachim Schulze
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Feb 3, 1999
Inventor
Hans-Joachim Schulze
Assignee (at issue)
Siemens Aktiengesellschaft
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.