Ultrasound probe and method for manufacturing the same
AssigneesKabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
InventorsTakashi Takeuchi, Takashi Ogawa, Koichi Shibamoto
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Abstract
In an ultrasound probe including first and second acoustic matching layers between an acoustic lens and a piezoelectric oscillator, an electrode is arranged on a surface of a laminate element made of the first and second acoustic matching layers, the laminate element is interposed between the acoustic lens and the piezoelectric oscillator, and the piezoelectric oscillator and the electrode are electrically connected.
Claims12
An ultrasound probe comprising at least one acoustic matching layer between an acoustic lens and piezoelectric oscillators,
- wherein an electrode is arranged on a surface of a laminate element made of said at least one acoustic matching layer, the laminate element is interposed between the acoustic lens and the piezoelectric oscillator, and the piezoelectric oscillator and the electrode are electrically connected to each other.
An ultrasound probe comprising:
- an acoustic lens;
- a piezoelectric oscillator including a first electrode and a second electrode;
- a laminate element laminated between the acoustic lens and the piezoelectric oscillator and including at least one acoustic matching layer;
- and
- a third electrode formed at least partly of a side face of the laminate element and a side face of the piezoelectric oscillator so as to be electrically connected to the first electrode and electrically insulated from the second electrode.
An ultrasound probe comprising:
- an acoustic lens;
- a piezoelectric oscillator including a first electrode and a second electrode;
- a laminate element laminated between the acoustic lens and the piezoelectric oscillator and having at least one acoustic matching layer;
- and
- a third electrode formed on a surface of the laminate element and electrically connected to the first electrode.
A method for manufacturing an ultrasound probe which comprises piezoelectric oscillators and an acoustic laminate element, the each piezoelectric oscillator including a first electrode and a second electrode and the acoustic laminate element being provided on the first electrode and including a plurality of acoustic matching layers, the method comprising:
- adhering a plurality of acoustic matching layer boards which are a material for said each acoustic matching layer, and have greater dimensions than those of the acoustic matching layer to form a material laminate element;
- reshaping the material laminate element in a required shape to form the acoustic laminate element;
- laminating the acoustic laminate element on the first electrode of the each piezoelectric oscillator;
- forming a third electrode on surfaces of the acoustic laminate element and the piezoelectric oscillators;
- and
- grinding at least part of the third electrode so that the third electrode is electrically connected to the first electrode and is electrically insulated from the second electrode.
A method for manufacturing an ultrasound probe that comprises an acoustic laminate element composed of a plurality of acoustic matching layers on an electrode of each piezoelectric oscillator, the method comprising:
- adhering a plurality of acoustic matching layer boards which are a material for said each acoustic matching layer, and have greater dimensions than those of the acoustic matching layer to form a material laminate element;
- reshaping the material laminate element in a required shape to form the acoustic laminate element;
- forming an electrode on a surface of the acoustic laminate element;
- and
- laminating the acoustic laminate element on the electrode of the each piezoelectric oscillator to electrically connect the electrode of the piezoelectric oscillator and an electrode of the acoustic laminate element to each other.
Dependencies are inferred from the claim text.