From PC World: Apple Watch production has been hampered by defective components from a supplier, according to a Wall Street Journal report.
Taptic engines produced by one supplier, AAC Technologies, in Shenzhen, China, began to fail reliability tests after Apple ramped up watch production in February, the Journal said, citing unnamed sources. The default caused Apple to destroy some completed watches.
Apple is now relying on a second supplier, Nidec in Japan, for most of the taptic engines because parts from that company didn’t have the same issue. However, it will take time for Nidec to increase its production.
The Apple-designed taptic engine mimics the sensation of being tapped on the wrist. It is used to notify a person when they receive a notification or alert, among other functions. Instead of ringing to get a user’s attention, the taptic engine is designed as a less intrusive way to relay information. To create the feeling of being tapped, the taptic engine uses a motor to turn a rod.
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