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Letter 38042
What is the photoresist for the formula
of etching Elgiloy? [Minnesota]
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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:
http://finishing.com/119/36.shtml
15 mL HCl + 10 mL HNO3 + 10 mL acetic acid. 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
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We have developed technology of etching Elgiloy without damaging
photoresist. Contact us for samples treatment.
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