Miniature ultrasound transducer

Details Miniature ultrasound transducer Miniature ultrasound transducer

B - Operations, Transporting

81

C

B81C 1/00 (2006.01) A61B 8/00 (2006.01) A61B 8/12 (2006.01) A61B 17/22 (2006.01) A61N 7/00 (2006.01) B06B 1/06 (2006.01) G10K 9/122 (2006.01) H04R 17/00 (2006.01)

Patent

CA 2429940

An ultrasonic transducer (108) for use in medical imaging comprises a substrate (300) having first and second surfaces. The substrate (300) includes an aperture (301) extending from the first surface to the second surface. Electronic circuitry (302) is located on the first surface. A diaphragm (304) is positioned at least partially within the aperture (301) and in electrical communication with the electronic circuitry (302). The diaphragm (304) has an arcutate shape, formed by applying a differential pressure, that is a section of a sphere. A binder material (314) is in physical communication with the diaphragm (304) and the substrate (300).

L'invention concerne un transducteur ultrasonore (108) destiné à être utilisé dans l'imagerie médicale, qui comprend un substrat (300) possédant une première et une seconde surfaces. Ce substrat (300) comprend une ouverture (301) s'étendant de la première à la seconde surface. Un ensemble de circuits électroniques (302) est situé sur la première surface. Un diaphragme (304) est placé du moins partiellement dans l'ouverture (301) et se trouve en communication électrique avec l'ensemble de circuits électroniques (302). Le diaphragme (304) possède une forme arquée, formée par application d'une pression différentielle, qui constitue une partie d'une sphère. Un matériau de liaison (314) est en contact physique avec le diaphragme (304) et le substrat (300).

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