Ultrasound probe
An ultrasound transducer includes an electric vibrator including a vibrator contact layer, to transmit and receive ultrasound wave, and a circuit-board including a circuit contact layer connected to the vibrator contact layer, to transmit and receive ultrasound signals via the vibrator contact layer. A maximum width which width is an extent of a shorter side of the circuit contact layer, is same to a width of the electric vibrator. The circuit contact layer includes a bonding area that extends to a surface of a circuit-board and a surface of the vibrator contact layer. An adhesive is provided in the bonding area to adhere the electric vibrator and the circuit-board to each other.
1. An ultrasound probe, comprising:
an electric vibrator including a vibrator contact layer, to transmit and receive ultrasound waves; and
a circuit-board including a circuit contact layer connected to the vibrator contact layer, to transmit and receive ultrasound signals via the vibrator contact layer, wherein
a maximum width of the circuit contact layer, which width is an extent of a shorter side of the circuit contact layer, is a width of the electric vibrator,
the circuit contact layer includes a bonding area that extends to a surface of a circuit-board and a surface of the vibrator contact layer,
an adhesive is provided in the bonding area to adhere the electric vibrator and the circuit-board to each other,
the bonding area includes a through-hole in the circuit contact layer, and
the through-hole in the circuit contact layer extends to the surface of the circuit-board and the surface of the vibrator contact layer.
2. An ultrasound probe, comprising:
an electric vibrator including a vibrator contact layer, to transmit and receive ultrasound waves; and
a circuit-board including a circuit contact layer connected to the vibrator contact layer, to transmit and receive ultrasound signals via the vibrator contact layer, wherein
a maximum width of the circuit contact layer, which width is an extent of a shorter side of the circuit contact layer, is a width of the electric vibrator,
the circuit contact layer includes a bonding area that extends to a surface of a circuit-board and a surface of the vibrator contact layer,
an adhesive is provided in the bonding area to adhere the electric vibrator and the circuit-board to each other,
the bonding area includes a cleavage implemented at an edge of the circuit contact layer,
the cleavage extends to the surface of the circuit-board and the surface of the vibrator contact layer.
3. An ultrasound probe according to claim 2 , wherein
the circuit contact layer includes two of the cleavages at opposite edges of the circuit contact layer.
4. An ultrasound probe according to claim 1 , further comprising:
a backing layer attached to the circuit-board, to absorb ultrasound waves from the electric vibrator, wherein
the bonding area includes a through-hole in the circuit-board, and
the through-hole in the circuit-board extends to the surface of the vibrator contact layer and a surface of the backing layer.
5. An ultrasound probe according to claim 4 , wherein
the through-hole in the circuit contact layer and the through-hole in the circuit-board are located at a same position.
6. An ultrasound probe according to claim 1 , further comprising:
a middle layer between the electric vibrator and the circuit-board to absorb the ultrasound waves, wherein
the bonding area includes a through-hole that extends to the surface of the vibrator contact layer and the surface of the circuit-board across the middle layer.
7. An ultrasound probe, comprising:
an electric vibrator including a vibrator contact layer, to transmit and receive ultrasound waves; and
a circuit-board including a circuit contact layer connected to the vibrator contact layer, to transmit and receive ultrasound signals via the vibrator contact layer, wherein
a maximum width of the circuit contact layer, which width is an extent of a shorter side of the circuit contact layer, is a width of the electric vibrator,
the circuit contact layer includes a bonding area that extends to a surface of a circuit-board and a surface of the vibrator contact layer,
an adhesive is provided in the bonding area to adhere the electric vibrator and the circuit-board to each other,
a plurality of the circuit contact layers are connected to the electric vibrator, and
the bonding area includes a gap between the plurality of the circuit contact layers.
8. An ultrasound probe according to claim 7 , wherein
each of the circuit contact layers includes cleavages implemented at an edge of the circuit contact layer,
the cleavages reach the surface of the circuit-board and the surface of the vibrator contact layer.
9. An ultrasound probe according to claim 8 , wherein
each of the circuit contact layers includes two of the cleavages at opposite edges of the circuit contact layer.