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KOH etching

KOH etched silicon structures

Applications

Silicon micromachining, e.g.
- Membrane fabrication
- V-grooves for fiber alignment
- Microfluidic channels
- Ink jet nozzles
- Through wafer interconnection
- Pressure sensors

Capabilities

- Multilevel etching
- Aligned front and back side etching
- Convex corner compensation
- Crystal alignment
- <100> and <110> silicon

Examples

Examples of KOH etching