Flux coated ball and method for manufacturing the same

The present invention employs a flux coated ball 100 having a core portion 110 and a shell portion 120 covering the core portion 110. The core portion 110 is made of a solder ball or a copper core ball; the shell portion 120 is formed by a flux layer containing at least one selected from the group c...

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Bibliographic Details
Main Authors SHIRAKAWA, AYAKA, NAKAMURA, KATSUJI, IWAMOTO, HIROYUKI, KONDO, SHIGEKI
Format Patent
LanguageChinese
English
Published 01.11.2023
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MACHINE TOOLS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PRINTED CIRCUITS
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 portion 110 and a shell portion 120 covering the core portion 110. The core portion 110 is made of a solder ball or a copper core ball; the shell portion 120 is formed by a flux layer containing at least one selected from the group consisting of an active agent and a resin component; and the flux coated ball 100 is characterized by an oxide film therein having a thickness of 3 nm or less.
Bibliography:Application Number: TW202312103073