hard anodizing

apple dual anodization

ismashphone reports the apple is filing a patent on dual anodization (links mine): A metal surface treated to have two anodized layers or regions may be used in electronic devices. The surface treatment may include performing a first anodization process to create a first anodized layer, removing the first anodized layer at select locations, and [...]

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hard anodizing

A while back I had the need to get some sheetmetal (every spell check in the world keeps telling me it’s “sheet metal” and not “sheetmetal”, but I digress) and machined parts hard anodized.  I’ve been meaning to post my notes on the process for some time… and now I am. what is hard anodizing? A [...]

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