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:
May. 31, 2011
Filed:
Oct. 11, 2007
Kazuya Matsumoto, Nagano, JP;
Ryo Ohta, Nagano, JP;
Mamoru Hasegawa, Nagano, JP;
Hideo Adachi, Iruma, JP;
Katsuhiro Wakabayashi, Hachioji, JP;
Kazuya Matsumoto, Nagano, JP;
Ryo Ohta, Nagano, JP;
Mamoru Hasegawa, Nagano, JP;
Hideo Adachi, Iruma, JP;
Katsuhiro Wakabayashi, Hachioji, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
An ultrasonic transducer according to the present invention includes: two or more ultrasonic transducer cells, each of which has a lower electrode, a first insulating layer placed on the lower electrode, a cavity placed on the first insulating layer, a second insulating layer placed on the cavity, and an upper electrode placed above the second insulating layer; channels which communicate the cavities with each other; the second insulating layer placed on the channels; holes formed in the second insulating layer placed on the channels; and sealing portions which seal the holes, where that part of the sealing portions which enters the channels is the same in cross-sectional shape as the holes.