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What is the photoresist for the formula of etching Elgiloy?

We need a smooth through-etching of Elgiloy. The thickness is 0.15 to 0.25 mm. We find "How to etch Elgiloy (metal)?" in the following web:

www.finishing.com/119/36.shtml

15 mL HCl + 10 mL HNO3 + 10 mL acetic acid ⇦ on eBay or Amazon [affil links] . Mix fresh. Swab onto the surface (Rather than immerse) for up to 4 minutes.

But it damages the photoresist. What type of photoresist that I should use?

Lu
- Minneapolis, USA
2005

2005

adv.
We have developed technology of etching Elgiloy without damaging photoresist. Contact us for samples treatment.

Anna Berkovich
Russamer Lab

Pittsburgh, Pennsylvania

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