Back to results
US 2015/0087993 A1Published application
Ultrasound unit and ultrasound endoscope
AssigneeOlympus Corporation
InventorKen SATO
Life of this patent
Estimating the term…
Abstract
An ultrasound unit includes a plurality of elements each including N cells, in each of which a bottom electrode and a top electrode that constitutes a membrane are arranged facing each other with a cavity therebetween, wherein the element has N1 first cells and N2 (where N1≠N2, N1+N2=N) second cells having higher reception sensitivity and lower transmission sensitivity than the first cells.
Claims6
An ultrasound unit comprising
- a plurality of ultrasound transducer elements each including N ultrasound transducer cells, in each of which a bottom electrode and a top electrode that constitutes a membrane are arranged facing each other with a cavity therebetween,
- wherein the ultrasound transducer element has N1 first ultrasound transducer cells, and N2 (where N1≠N2, N1+N2=N) second ultrasound transducer cells having higher reception sensitivity and lower transmission sensitivity than the first ultrasound transducer cells.
Dependencies are inferred from the claim text.