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MEMS-Related Terminology

MEMS-Related Terminology

A brief overview of MEMS-related terminology.

Terminology Definition
MEMS Abbreviation for Micro Electro Mechanical Systems. A general term for device systems featuring minute 3-dimensional structures for handling various input/output signals.
Isotropic Etching Etching that progresses in depth and lateral direction due to radicals
Anisotropic Etching Etching that progresses in depth direction due to ions
Bosch Process The primary technology used for silicon deep etching. Combines both isotropic and anisotropic etching techniques.
Scallops The uneven shape of the sidewalls formed by the Bosch process
SOI Wafers Short for Silicon On Insulator. A silicon wafer in which a single silicon crystal layer is formed on an oxide film.
TAIKO Grinding A wafer grinding process that grinds only the inner portion, leaving the outer edge of the wafer intact.
TAIKO is a trademark of Disco Corp.
Support Wafer Wafers that provide support during the processing and handling of thin wafers
Wafer Attaching Attaching support substrates for the purpose of processing and handling thin wafers
Wafer Bonding Bonding wafers together for the process of sealing
ALD (Atomic Layer Deposition) A thin-film deposition method that sequentially stacks layers at the atomic level.

The ROHM Group offers a Thin-Film Piezo MEMS Foundry Service that allows customers to achieve their ideas and designs.

Thin Film Piezo MEMS Foundry
> Thin-Film Piezo MEMS Foundry (Services)

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