Samsung cut it too close with safety margins on the Note7’s design, report says

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More than two months after the launch of ill-fated Note7, we still don’t know what caused the batteries in some of the devices to overheat and, in some cases, explode. 

A new report by Instrumental, a company that helps tech companies fix manufacturing issues, suggests that the reason behind the Note7 issues was Samsung pushing the boundaries of the design a little too far. 

More precisely, Instrumental — after tearing down and examining a Note7 — found that the Note7’s battery sits too tightly within the device, so that pressure from normal operation (such as sitting down while having the phone in your back pocket) can cause layers of lithium cobalt oxide and graphite to touch. This should never happen, as it can cause overheating and an explosion.  Read more…

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