Metal etchants are used in semiconductor fabrication and packaging to chemically remove layers from the surface of a wafer during the manufacturing process. This hard mask removal is a critically important step in the process with every wafer undergoing many etching steps before completion.


Chemical Formula

EC Number


CAS Number


  • Surface treatment & Coatings
  • Electronics
  • Surface treatment
  • Semiconductors


  • TechniEtch ACI2
  • TechniEtch Cr01
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