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In order to address the Chip-Package Interaction (CPI) challenges at an early stage of the product development, GLOBALFOUNDRIES has developed Finite Element (FE) models to simulate the mechanical stress in Backend of Line (BEoL). This paper elaborates the methodology involved in developing a single bump simulation model to assess failure risk under mechanical loading. The paper also highlights the...
Fhis paper discusses the extensive development work carried out by GLOBALFOUNDRIES to mitigate chip-package interaction (CPI) risks for the silicon Backend of Line (BEOL) during IC package assembly. Particularly, material property data for different ultra low k (ULK) materials, CPI qualification results and key findings made during the technology development are discussed. Newly developed test and...
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