The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2017
Filed:
Jan. 08, 2014
Olympus Medical Systems Corp., Tokyo, JP;
Olympus Corporation, Tokyo, JP;
Kazuya Matsumoto, Nagano, JP;
Kazuhisa Karaki, Shiojiri, JP;
Mamoru Hasegawa, Nagano, JP;
Katsuhiro Wakabayashi, Hachioji, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A US element includes a silicon substrate, wherein a lower electrode layer that has a plurality of lower electrode sections, and a plurality of lower wiring sections, and is connected to a lower electrode terminal to which a drive signal and a bias signal are applied, a lower insulating layer, an upper insulating layer in which a plurality of cavities are formed, an upper electrode layer that has a plurality of upper electrode sections and a plurality of upper wiring sections, and is connected to an upper electrode terminal at a ground potential for detecting a capacitance signal, and a protection layer are sequentially stacked on the silicon substrate, and the US element further includes a shield electrode section that is formed at least at an upper side of the lower wiring sections, and is connected to a shield electrode terminal at a ground potential.