FLUX-COATED BALL AND METHOD FOR MANUFACTURING SAME

The present invention employs a flux-coated ball 100 having a core part 110 and a shell part 120 with which the core part 110 is coated. The flux-coated ball 100 is characterized in that the core part 110 is made of a solder ball or a copper core ball, that the shell part 120 is made of a flux layer...

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Bibliographic Details
Main Authors KONDO, Shigeki, IWAMOTO, Hiroyuki, SHIRAKAWA, Ayaka, NAKAMURA, Katsuji
Format Patent
LanguageEnglish
Published 10.08.2023
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:The present invention employs a flux-coated ball 100 having a core part 110 and a shell part 120 with which the core part 110 is coated. The flux-coated ball 100 is characterized in that the core part 110 is made of a solder ball or a copper core ball, that the shell part 120 is made of a flux layer containing at least one selected from the group consisting of an activator and a resin component, and that an oxide film thickness in the flux-coated ball 100 is 3 nm or less.
Bibliography:Application Number: US202318106247