Granted Patent
Utility
US 6,695,903 · App. 09/936,285
Dopant pastes for the production of p, p+, and n, n+ regions in semiconductors
Inventors:
Armin Kubelbeck, Claudia Zielinski, Lilia Heider, Werner Stockum
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Sep 12, 2001
Inventors
Armin Kubelbeck
Claudia Zielinski
Lilia Heider
Werner Stockum
Assignee (at issue)
Merck Patent GmbH
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.