Au and Cu Etchant

General Information

Iodine based gold/copper etchant characterized by an enhanced stability, wetting and metal loading capability compared to conventional iodine based solutions.

The particularity of the TechniEtch™ AC35 is its capability to address combined Au/Cu etching step while controlling the gold layer undercut to a minimum when etching very fast thick Cu layer.

Technical Data Sheet:

For further information please refer to the technical data sheet:
> TechniEtch AC35 (TDS)
> TechniEtch AC35 (SPEC)
Wet Etching
> Wet etching metals

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Sales Volumes, Purity Grade and Shipping

Available Sales Units:

  • 5L bottles (1 PU = 4 x 5L or single bottles)

Available Purity Grade:

  • MOS

Shelf Life:

Our typical lead time is 1-3 working days within Germany, lead times to other countries on request. On demand, in urgent cases our etchants can be shipped within 24 hours to a destination inside Germany.

Please send us your request.

e-mail: sales(at)
phone: +49 (0)731 977 343 0
fax: +49 (0)731 977 343 29

Thank you very much for your interest!

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