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[Magic Mouse Teardown (3)] Did Apple Develop New Touch Panel Controller Chip?

The connector for the touch-sensor electrode on the front side of the circuit board has 28 contacts and is printed with

The connector for the touch-sensor electrode on the front side of the circuit board has 28 contacts and is printed with "DDK," indicating that it is a product of DDK Ltd. The IC chip placed next to the connector measures 4.5 x 4.5mm and seems to be a touch panel controller.