CHANDLER, Ariz.--(BUSINESS WIRE)--Amkor Technology, Inc. (Nasdaq: AMKR), a leading provider of semiconductor assembly and test services, today announced that it has granted GLOBALFOUNDRIES a non-exclusive license to its proprietary copper pillar wafer bump technology. The agreement provides for the transfer of Amkor’s copper pillar wafer bump technology to GLOBALFOUNDRIES and a license under Amkor’s intellectual property to enable GLOBALFOUNDRIES to bump wafers based on this technology. “Techno