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US Patent 11581280 WLCSP package with different solder volumes
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Patent
Date Filed
November 25, 2020
Date of Patent
February 14, 2023
Patent Application Number
17104968
Patent Citations
US Patent 10163844 Semiconductor device having conductive bumps of varying heights
US Patent 10163866 Semiconductor device and method of manufacture
US Patent 10312208 Copper pillar bump structure and manufacturing method therefor
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
11581280
Patent Primary Examiner
Douglas W Owens
CPC Code
H01L 2224/0348
H01L 2224/05008
H01L 2224/05017
H01L 2224/05019
H01L 2224/05073
H01L 2224/05147
H01L 2224/05564
H01L 2224/05639
H01L 2224/05644
H01L 2224/05647
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