Granted Patent
Utility
US 5,712,506 · App. 08/547,727
Semiconductor device with passivation layer of benzocyclobutene polymer and silicon powder
Inventors:
Tadanori Shimoto, Koji Matsui
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Oct 26, 1995
Inventors
Tadanori Shimoto
Koji Matsui
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.