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NanoFab Tool: Inductively Coupled Plasma (ICP) Metal Etcher: Oxford PlasmaPro 100 Cobra

Oxford metal PlasmaPro 100 Cobra etcher

Photograph of the Oxford metal PlasmaPro 100 Cobra etcher.

The Oxford Metal PlasmaPro 100 Cobra etcher is a chlorine-based plasma etch system that provides users with selective etching of metals. The tool is equipped with a temperature controlled electrode to help users tailor their etch feature profiles. The manual load system can accommodate substrates ranging from 200 mm diameter wafers down to small pieces.

Specifications/Capabilities

  • Inductively coupled plasma (ICP) power source: up to 3000 W
  • Radio frequency (RF) power source: up to 600 W
  • Electrode temperature range: -150 °C to 400 °C.
  • Process Gases: Ar, He, N2, O2, BCl3, CF4, CH4, Cl2, H2, HBr, SF6 and SiCl4
  • Controlled etching of Al, Cr, and other metals.

Usage Information

Supported Sample Sizes

  • Maximum wafer diameter: 200 mm.
  • Small pieces supported: Yes.

Typical Applications

  • Optical device fabrication.
  • General device patterning.
Created May 13, 2025