Publication

90 MHz nanomechanical structures fabricated by stencil deposition and dry etching

2003
Conference Papers

Abstract

We present a simple method for fabricating fast resonating (90 MHz) nanomechanical elements based on the local deposition through a miniaturized shadow mask (nanostencil), followed by dry etching to release the structure from the substrate. The measured resonance frequency of a fabricated nanomechanical structure shows high resonance frequency up to 90 MHz. This resistless and dry process provides a flexible, rapid and stiction-free approach for the fabrication of ultra-fast resonating elements in various materials.

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2003
Conference Papers

Abstract

Official source

Related concepts (25)

MEMS

MEMS (Microelectromechanical systems) is the technology of microscopic devices incorporating both electronic and moving parts. MEMS are made up of components between 1 and 100 micrometres in size (i.e., 0.001 to 0.1 mm), and MEMS devices generally range in size from 20 micrometres to a millimetre (i.e., 0.02 to 1.0 mm), although components arranged in arrays (e.g., digital micromirror devices) can be more than 1000 mm2.

Reactive-ion etching

Reactive-ion etching (RIE) is an etching technology used in microfabrication. RIE is a type of dry etching which has different characteristics than wet etching. RIE uses chemically reactive plasma to remove material deposited on wafers. The plasma is generated under low pressure (vacuum) by an electromagnetic field. High-energy ions from the plasma attack the wafer surface and react with it. A typical (parallel plate) RIE system consists of a cylindrical vacuum chamber, with a wafer platter situated in the bottom portion of the chamber.

Plasma etching

Plasma etching is a form of plasma processing used to fabricate integrated circuits. It involves a high-speed stream of glow discharge (plasma) of an appropriate gas mixture being shot (in pulses) at a sample. The plasma source, known as etch species, can be either charged (ions) or neutral (atoms and radicals). During the process, the plasma generates volatile etch products at room temperature from the chemical reactions between the elements of the material etched and the reactive species generated by the plasma.

Related publications (3)

90 MHz nanomechanical structures fabricated by stencil deposition and dry etching

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