Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Seoul National University

Sung-chan Kang

Jong-seok Kim

Yong-seop Yoon

Chang-jung Kim

Woon-bae Kim

Dong-kyun Kim

Sang-ha Park

Ki-Hun Jeong

Seog-woo Hong

Hyung-jae Shin

Byung-gil Jeong

Seok-whan Chung

Young-jae Oh

Hyung-joo Kim

Jai-Ick Yoh

Yong-hyup Kim

Mi-ae Park

Seok-hwan Lee

Hye-lynn Song

Eui-yun Jang

Seung-bum Yang

Laser-induced ultrasonic wave apparatuses and methods of generating images using the same. The laser-induced ultrasonic wave apparatus includes a laser source which irradiates a laser beam to a target object and a thermoelastic material; a thermoelastic material which converts the laser beam to a first ultrasonic wave and irradiates the first ultrasonic wave to the target object; and a receiving unit which receives an echo acoustic wave of the first ultrasonic wave and receives a second ultrasonic wave generated by the target object due to the laser beam.

Laser-induced ultrasonic wave apparatus and method

A breast scanning apparatus which uses photoacoustic ultrasonic waves is provided. The breast scanning apparatus includes a body which includes a first hole and a second hole which are horizontally parallel to each other; a first compression plate and a second compression plate, at least one of which is movable in a vertical direction with respect to the body; a first sliding plate and a second sliding plate, which are respectively installed on surfaces of the first compression plate and the second compression plate and are facing each other and are movable in a first direction; a first ultrasonic transducer array in the first compression plate and facing the first sliding plate; and a first laser head in the first compression plate, which is movable in a second direction which is perpendicular to the first direction.

Breast scanning apparatus using photoacoustic ultrasonic wave

Provided are a laser-induced ultrasound generator and a method of manufacturing the laser-induced ultrasound generator. The laser-induced ultrasound generator includes: a substrate including a plurality of nanostructures provided on a first surface of the substrate; and a thermoelastic layer provided on the first surface of the substrate, the thermoelastic layer being configured to generate an ultrasound by absorbing a laser beam incident onto a second surface of the substrate, the second surface facing the first surface. The nanostructures may be cylinder-shaped nano-pillars.

Laser-induced ultrasound generator and method of manufacturing the same

An electro-acoustic transducer includes a plurality of elements that each includes a plurality of cells. The plurality of cells includes at least two membranes that have different thicknesses. The respective frequency bands of the plurality of elements are broader than respective frequency bands of the plurality of cells that configure the plurality of elements.

Electro-acoustic transducer

An ultrasonic transducer, and an ultrasonic wave generating apparatus and an ultrasonic system including the same. The ultrasonic transducer includes a light-absorbing layer configured to absorb light incident on the light-absorbing layer and to generate heat based on the absorbed light; and a thermoelastic layer which is disposed on the light-absorbing layer and which is configured to thermally expand based on the heat to generate ultrasonic waves.

Ultrasonic transducer, and ultrasonic wave generating apparatus and ultrasonic system including the same

An electro-acoustic transducer includes a plurality of elements, in which each of the plurality of elements includes a plurality of cells, of which at least one of the plurality of cells includes a trench that is formed in a membrane.

Growing community of inventors

Hwaseong-si, South Korea

Sung-chan Kang