The Analysis from them are For iPad 2 is:-
The IHS iSuppli teardown analysis of the iPad 2 so far has been able to identify five parts sourced from Japanese suppliers:
● NAND flash from Toshiba Corp.
● Dynamic random access memory (DRAM) made by Elpida Memory Inc.
● Electronic compass from AKM Semiconductor
● The touch screen overlay glass likely from Asahi Glass Co
● The system battery from Apple Japan Inc.
note:-iPad 2 is Still available Currently ! these supply problem can be seen in future.