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Taiwan (from 8) doesn’t leave the island, instead the tested
chips go directly to one of a cadre of as-
The largest, Advanced Semiconductor sembly and test facilities — either giant
Engineering, is fi rmly in fi rst place with ASE or other assemblers such as ChipMOS
2021 revenues of $20.13 billion in 2021 Technologies, King Yuan, Lingsen Preci-
(569.987 million NTD). ASE posted more sion, Sigurd, Orient Semiconductor, Win-
than three times Amkor Technology’s bond or others.
earnings of $6.14 billion in 2021. ASE
acquired competitors Semiconductor Preci- The Silicon Island
sion Industries Ltd. (SPIL) in 2017. Without question Taiwan, with a landmass
of only 13.974 square miles, is an econo-
Although Amkor is legally domiciled in the my clearly dependent on silicon.
U.S., its assembly and test work is done
mostly in Asia, with the exception of a fa- The Taiwan Semiconductor Industry Asso-
cility in Porto, Portugal, Nanium S.A. Na- ciation (TSIA), has over 170 corporate and
nium produces wafer-level, fan-out pack- associate members, including companies
aging and was a 2017 Amkor acquistion. engaged in semiconductor R & D, design,
wafer manufacturing, packaging, testing,
Packaging and test equipment and materials.
Most of the output of TSMC and UMC next page
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