IP Library › Granted Patent US 5,285,789
Granted Patent Utility
US 5,285,789 · App. 07/871,495

Ultrasonic transducer apodization using acoustic blocking layer

Inventors: James N. Chen, Gregory G. Vogel, Martin K. Mason
Patented Case View Patent ↗
Granted: Feb 15, 1994 Filed: Apr 21, 1992
Inventors
James N. Chen
Gregory G. Vogel
Martin K. Mason
Assignee (at issue)
Hewlett-Packard Company, L.P.

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Quick Facts
Patent No.
US 5,285,789
App. No.
07/871,495
Filed
1992-04-21
Granted
1994-02-15
Kind
A