Samsung Electronics Co., Ltd.

Sung-Gwang Lee

Sung-Yong Park

Sung-hyup Kim

Kwang-Sung Lee

A megasonic cleaner includes a water tank that includes a pair of opposite inner walls and a bottom wall connected thereto, and that accommodates a fluid therein; a plurality of supporting units arranged in the water tank at predetermined positions that support a wafer; and at least one transducer arranged on the bottom wall that transmits energy in the form of waves into the fluid, where each of the opposite inner walls has a first protrusion that protrudes into an internal space of the water tank, the first protrusion being spaced above the bottom wall and positioned at an height that is greater than or equal to a height of the centers of the plurality of supporting units.

Growing community of inventors

Hwaseong-si, South Korea

Sung-Gwang Lee