Granted Patent
Utility
US 5,576,247 · App. 08/097,231
Thin layer forming method wherein hydrophobic molecular layers preventing a BPSG layer from absorbing moisture
Inventors:
Kousaku Yano, Masayuki Endo, Yuka Terai, Noboru Nomura, Tomoyasu Murakami, Tetsuya Ueda, Satoshi Ueda
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Jul 27, 1993
Inventors
Kousaku Yano
Masayuki Endo
Yuka Terai
Noboru Nomura
Tomoyasu Murakami
Tetsuya Ueda
Satoshi Ueda
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.