Tags » Tungsten

Apple bans 'bonded servitude' at supplier factories worldwide

”Apple Inc. is requiring factories to pay recruitment fees for employees instead of saddling new hires with the costs, in a change to a controversial labor practice that has attracted widespread criticism,” Tim Higgins reports for Bloomberg. 182 more words

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Apple's Jeff Williams: We're working to improve suppliers' working conditions

”Apple has claimed it is making ‘concrete changes for the better’ at the factories that make its products and said criticism of the company makes it ‘stronger,'” Rhiannon Williams reports for The Telegraph. 251 more words

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Apple says they're making progress eliminating conflict minerals

”In an annual report on labor and environmental practices in its supply chain, Apple said it is making progress eliminating so-called conflict minerals,” Daisuke Wakabayashi reports for The Wall Street Journal. 218 more words

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Where Apple gets the tantalum for your iPhone

”Nobody likes to think his or her iPhone was made from minerals derived from a country where warlords and mass rapists profit from the mines,” Lynnley Browning reports for Newsweek. 218 more words

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Corrosion of Nanocrystalline Ni-W Coated Copper

Read  full  paper  at:

http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53765#.VNHUpizQrzE

The present study is dealing with the corrosion of copper coated with nanocrystalline nickeltungsten coating. Different plating bath compositions and conditions were used in order to produce nickel-tungsten coatings of different tungsten content 30%, 40% and 50% wt, with a thickness of 20 μm. 532 more words