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What are the finishing processes used on Ipad Mini?

Q. I want to buy an Ipad mini for myself. I searched on internet and found some pictures. At this time, as a surface treatment engineer, I'm more interested in the processes which Ipad mini uses since it looks like artwork not industrial goods.
Ipad mini has some changes from Ipad 2 in the appearance: the mirror logo and around chamfer. what's the processes they did? Mechanical polish+ bright dip/chemical polish/electro-polish + type II anodizing?
If they use white dye after anodizing for the white one? if not white dying, what sealing solution they used? D.I. water or nickel salt? it looks Ipad mini also has bead blasting before anodizing.

Hope to discuss with all of you.

Thanks
Chu

Chu Hu
- Suzhou, China June 25, 2013

A. Hi Chu. We're a bit limited since not here to crowd source industrial trade secrets, so all anyone can say is what kind of processes might be able to achieve a particular look or match some particular property, and personally I don't know what an iPad Mini looks like :-( Sorry.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
July 2, 2013

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