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Sigma Aldrich Tungsten etchant

Catalog No. 667498500ML Shop All MilliporeSigma Sigma Organic Chemistry Products
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66-749-8500ML 500 mL
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Catalog No. 66-749-8500ML Supplier Sigma Aldrich Supplier No. 667498500ML
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

Tungsten etchant is a mixture of potassium hydroxide and potassium ferricyanide based solution that facilitates the removal of tungsten and other materials like aluminium by dipping the substrate into the etching solution.Selective etchants for tungsten thin-film metallizations used in semiconductor and microelectronics technology. Etchants are buffered, mildly alkaline ferricyanide-based formulations providing high resolution patterns with minimal undercutting and photoresist compatibility. Controlled, uniform etching is achieved by immersion or spray etch technique.

Specifications

Quantity 500 mL
MDL Number MFCD08705365
Synonym Tungsten etch
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