Conard's Photo Etching Blog

Aluminum: Why Etchers (except us) hate it

Posted by Kathleen Stillman on Dec 13, 2019 10:30:48 AM

Aluminum is a light and versatile metal. However, it has a couple of characteristics that give etching houses fits. It is highly reactive and will etch in both acids and bases. Common photoresist film is designed to repel acid, but to remove it you need to use a fairly high Ph caustic solution. And, oh darn, that etches aluminum, too. So, say bye-bye to dimensional tolerances. For many etchers, the headache isn't worth it. (And, shhh, don't tell anybody... but sometimes they come to us for aluminum.)

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Topics: Photo etching aluminum, Aluminum Photo Etching

What's Hot in Photo Etching

Posted by Kathleen Stillman on Oct 21, 2019 2:15:15 PM

When the heat is on, many look to photo etching to move it around or make something useful of it--like electricity.

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Topics: Photo chemical etching, Photo etching aluminum