A handheld focused extracorporeal shock wave therapy (f-ESWT) device includes a plurality of piezoelectric elements, a power supply circuit, and a plurality of driver circuits. The piezoelectric elements are each configured to generate an individual shock wave. The power supply circuit is configured to output a first DC voltage and a second DC voltage. The first DC voltage greater than the second DC voltage. The driver circuits are each operably connected to the first DC voltage, the second DC voltage, and to a corresponding piezoelectric element of the plurality of piezoelectric elements. Each driver circuit includes a switching element electronically configurable in an open state and in a closed state. When the switching element is in the open state, the first DC voltage and the second DC voltage are applied to the corresponding piezoelectric element to pre-charge the corresponding piezoelectric element with a DC pre-charge voltage having a first polarity.

An ultrasonic device includes: a vibration film provided with a vibration region that is vibratable by a vibration element; and a damper layer that is provided to cover the vibration region of the vibration film. The damper layer has a thickness dimension of 13 μm or larger and 25 μm or smaller.

A portable virtual, augmented, or mixed reality device, including: a mount intended to be worn on a user's head; a display screen attached to the mount and intended to be arranged in front of one of the user's eyes; a plurality of ultrasound transducers attached to the mount; and a control circuit configured to control the display screen to display images, and the ultrasound transducers to generate, in air, at a distance from the mount, a pressure distribution detectable by the user's hand to obtain a haptic effect.

The present invention relates to an ultrasound treatment device for HIFU and an ultrasound image, and to a control method therefor. The ultrasound treatment device comprises: a plurality of image converters disposed on one surface of a probe assembly to transmit ultrasound signals to a target and receive signals reflected by the target to create an ultrasound image; a plurality of high intensity focused ultrasound (HIFU) converters disposed on the surface of the probe assembly so as to be located in different positions from the image converters, wherein the HIFU converters transmit ultrasound signals to a target to generate heat energy, thereby treating a tissue within a focusing area; and a control unit performing control such that the difference between apertures of converter arrays constituted by the image converters and the HIFU converters, respectively, is less than a predetermined value.

Intraluminal ultrasound imaging device, systems and methods (e.g., method of fabricating the device) are provided. In some embodiments, the intraluminal ultrasound imaging device includes a flexible elongate member configured to be positioned within a body lumen of a patient, and an ultrasound scanner assembly disposed at a distal portion of the flexible elongate member and configured to obtain imaging data of the body lumen. The ultrasound scanner assembly includes a flexible substrate, a first under-bump metallization (UBM) layer over the flexible substrate, a first solder feature over the first UBM layer, and a first electronic component electrically connected to the first solder feature.

A vibration generating device includes a first piezoelectric device including at least one slit, a first electrode on a first surface of the first piezoelectric device, and a second electrode on a second surface opposite to the first surface of the first piezoelectric device.

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).

A sonicator system for sonicating materials in a sample array includes a transducer layer configured to emit acoustic energy; and a multifocus acoustic lens layer configured to focus the acoustic energy from the transducer layer to the sample array to thereby simultaneously sonicate materials in the sample array.

The method of bonding an interposer and an integrated circuit chip includes preparing an interposer including an insulator and conductive lines each having one end exposed to a first surface of the insulator and another end exposed to a second surface opposite to the first surface; placing a bonding mask on the interposer; forming through-holes on the bonding mask before or after the placing of the bonding mask on the interposer; filling the plurality with a conductive material; and bonding an integrated circuit chip to the bonding mask.

A photoacoustic and ultrasonic endoscope includes an optical fiber, a light diffuser configured to radially diffuse a laser beam transmitted through the optical fiber, and an array transducer having a cylindrical shape and surrounding the light diffuser, the array transducer being configured to transmit the diffused laser beam therethrough and to generate an ultrasonic wave or detect an ultrasonic wave generated by an object to be examined.