Provided are a resin material for an acoustic lens including a resin (a) containing at least one of an epoxy group, a carbon-carbon double bond group, a methylol group, or a phenolic hydroxyl group; and a resin (b) containing a structural unit having a polysiloxane bond, and an acoustic lens, an acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, a photoacoustic wave measurement apparatus, and an ultrasound endoscope in which the resin material is used.

An ultrasonic probe for acquiring an ultrasonic image is provided. The ultrasonic probe includes a transducer generating an ultrasonic signal and including a lens provided to transmit the ultrasonic signal to the outside, a case accommodating the transducer and having an opening at one side so that the lens is brought into contact with an external target object, and a buffer member provided along a circumference of the transducer to protect the transducer from external impact and disposed between the case and the transducer.

An ultrasonic probe for acquiring an ultrasonic image is provided. The ultrasonic probe includes a transducer generating an ultrasonic signal and including a lens provided to transmit the ultrasonic signal to the outside, a case accommodating the transducer and having an opening at one side so that the lens is brought into contact with an external target object, and a buffer member provided along a circumference of the transducer to protect the transducer from external impact and disposed between the case and the transducer.

Provided are an acoustic Luneburg meta lens including a lens structure on the substrate or a lens structure connected to each other by connecting rods, wherein the lens structure includes a plurality of unit structures, the volume of the unit structures decreases from the center of the lens structure toward an edge thereof, and positions of the unit structures are determined by direction components of a polar coordinate system or a spherical coordinate system, and a method for designing the acoustic Luneburg meta lens.

Provided are an acoustic Luneburg meta lens including a lens structure on the substrate or a lens structure connected to each other by connecting rods, wherein the lens structure includes a plurality of unit structures, the volume of the unit structures decreases from the center of the lens structure toward an edge thereof, and positions of the unit structures are determined by direction components of a polar coordinate system or a spherical coordinate system, and a method for designing the acoustic Luneburg meta lens.

A transparent ultrasound transducer device for multi-mode optical imaging on a target is provided. The device includes a transparent piezoelectric transducer, one or more wires, and an optical lens. The transparent piezoelectric transducer of a first acoustic impedance is configured to receive acoustic waves from the target. The transparent piezoelectric transducer has a first surface and a second surface. The first surface and the second surface are coated with transparent electrically conductive coatings. The optical lens is contacted with and optically coupled to the first surface of the transparent piezoelectric transducer. The optical lens is made of a material with a second acoustic impedance, and the first and second acoustic impedances are substantially similar to minimize an acoustic impedance mismatch such that sensitivity of the device is improved.

A transparent ultrasound transducer device for multi-mode optical imaging on a target is provided. The device includes a transparent piezoelectric transducer, one or more wires, and an optical lens. The transparent piezoelectric transducer of a first acoustic impedance is configured to receive acoustic waves from the target. The transparent piezoelectric transducer has a first surface and a second surface. The first surface and the second surface are coated with transparent electrically conductive coatings. The optical lens is contacted with and optically coupled to the first surface of the transparent piezoelectric transducer. The optical lens is made of a material with a second acoustic impedance, and the first and second acoustic impedances are substantially similar to minimize an acoustic impedance mismatch such that sensitivity of the device is improved.

The disclosed embodiments relate to a portable ultrasound device. Specifically, the disclosed embodiments relate to an acoustic lens positioned at an ultrasound probe. The acoustic lens may be configured for impedance matching and signal attenuation. In one embodiment, ultrasound signal attenuation is provided by forming an acoustic lens as a solid admixture of signal attenuating particles in a polymer matrix.

The disclosed embodiments relate to a portable ultrasound device. Specifically, the disclosed embodiments relate to an acoustic lens positioned at an ultrasound probe. The acoustic lens may be configured for impedance matching and signal attenuation. In one embodiment, ultrasound signal attenuation is provided by forming an acoustic lens as a solid admixture of signal attenuating particles in a polymer matrix.

Electrical bonded portions (100, 104) from a coaxial cable (56) to a piezoelectric body (49) are bonded by a resin material having conductivity (102), and the electrical bonded portions (100, 104) using the resin material (102) are covered with a gas barrier epoxy resin layer (106).