“A little-known British company is the brains behind technology in the new super-slim iMacs that Apple CEO Tim Cook raved about on stage,” Anna Leach reports for The Register. “That admired tech is the tapered aluminium edge at the 5mm-wide end of Apple’s latest thin desktops, which were revealed at an event in October.”

“The welding technique that has made the new iMac so thin is the intellectual property of Cambridge-based company TWI,” Leach reports. “The Apple iMac is just 5mm thick around the edges of the display on the all-in-one computer, and the aluminium join is made possible by friction-stir welding.”

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Leach reports, “Invented in 1991 by Wayne Thomas at TWI, friction-stir welding is a solid-state process, meaning that it doesn’t require the materials to be melted for them to be joined. Instead it softens and merges the edges by mixing the two materials under frictional heat… Apple licensed the tech earlier this year and has been testing it since then. Iain Smith, associate director and intellectual property manager of TWI, would not reveal the commercial details of the deal with Apple.”

Apple's all-new iMac (8th gen)

Apple’s all-new iMac (8th gen)


 

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