Abstract: A microgyroscope tunable against an external translational acceleration includes an oscillating mass floating over a wafer to oscillate in a first direction, a driving electrode for oscillating the oscillating mass, a sensing mass oscillating together with the oscillating mass and concurrently moving in a second direction, wherein the second direction is perpendicular to the first direction, a sensing electrode for sensing a motion of the sensing mass, and a sensing electrode supporting portion for movably securing the sensing electrode so that the sensing electrode can move in the second direction with the sensing mass. A microgyroscope according to the present invention is able to prevent sensing signals due to an external disturbance, such as noise or impulse.

Abstract: A microgyroscope tunable against an external translational acceleration includes an oscillating mass floating over a wafer to oscillate in a first direction, a driving electrode for oscillating the oscillating mass, a sensing mass oscillating together with the oscillating mass and concurrently moving in a second direction, wherein the second direction is perpendicular to the first direction, a sensing electrode for sensing a motion of the sensing mass, and a sensing electrode supporting portion for movably securing the sensing electrode so that the sensing electrode can move in the second direction with the sensing mass. A microgyroscope according to the present invention is able to prevent sensing signals due to an external disturbance, such as noise or impulse.

Abstract: A micro-switching device actuated by a low voltage is provided. The micro-switching device includes a spring operating elastically; a membrane formed on one side of the spring, being held by the spring; and a lower electrode formed below the membrane, for generating an electrostatic attraction when a voltage is applied thereto, wherein the membrane is non-planar. This micro-switching device is advantageous in that it can be actuated by a low voltage and prevents the adhesion that occurs commonly in micro devices.

Abstract: A micro-electro mechanical system (MEMS) switch having a single anchor is provided. The MEMS switch includes a substrate; grounding lines installed on the substrate to be distant away from each other; signal transmission lines positioned at predetermined intervals between the grounding lines; an anchor placed between the signal transmission lines; a driving electrode that encircles the anchor while not being in contact with the anchor, the signal transmission lines and the grounding lines; and a moving plate that is positioned on the driving electrode to be overlapped with portions of the signal transmission lines, and connected to the anchor elastically.

Abstract: A micro-switching device actuated by a low voltage is provided. The micro-switching device includes a spring operating elastically; a membrane formed on one side of the spring, being held by the spring; and a lower electrode formed below the membrane, for generating an electrostatic attraction when a voltage is applied thereto, wherein the membrane is non-planar. This micro-switching device is advantageous in that it can be actuated by a low voltage and prevents the adhesion that occurs commonly in micro devices.

Abstract: The present invention relates to a method of fabricating a micro device and a method for manufacturing a mold for molding the micro device.

Abstract: An anti-stiction method and apparatus for drying a wafer using a centrifugal force is provided. The anti-stiction method includes the steps of (a) removing a sacrificial layer stacked between the wafer and the micro structure, using an etching solution, (b) rinsing the etched micro structure and the etched wafer in a rinse solution for a predetermined time so that the etching solution between the micro structure and the wafer is replaced with the rinse solution, and (c) mounting the rinsed wafer in a mounting unit connected to a rotation axis and eliminating the rinse solution left between the wafer and the micro structure by the rotation of the axis. The wafer is mounted in the mounting unit in a vertical position so that the micro structure faces outwards from the rotation axis. Accordingly, a stiction phenomenon between the micro structure manufactured by a MEMS process and the wafer in a drying process can be prevented.

Abstract: A micro-electro mechanical system (MEMS) switch having a single anchor is provided. The MEMS switch includes a substrate; grounding lines installed on the substrate to be distant away from each other; signal transmission lines positioned at predetermined intervals between the grounding lines; an anchor placed between the signal transmission lines; a driving electrode that encircles the anchor while not being in contact with the anchor, the signal transmission lines and the grounding lines; and a moving plate that is positioned on the driving electrode to be overlapped with portions of the signal transmission lines, and connected to the anchor elastically.