MOUNTING BOARD MANUFACTURING METHOD AND FLUX COATING DEVICE
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Jul 5, 2021
filing date -
Sep 14, 2020
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Abstract
A mounting substrate manufacturing method for soldering a terminal of an electronic component to a land 2 of a substrate 1 includes: a paste disposing step of disposing a solder paste on the land 2; a melting and solidifying step of melting and solidifying the solder paste, to form a precoated area 3 coated with solder, on the land 2; a breaking step of breaking a residue covering a surface of the precoated area 3 by pressing a tool 432, 442 against the precoated area 3; a flux disposing step of disposing a flux F on the precoated area 3; a component placement step of placing an electronic component on the substrate 1, with the terminal of the electronic component aligned with the precoated area 3; and a reflow step of heating the substrate 1 to melt the precoated area 3, to solder the terminal to the land 2. This can provide a mounting substrate manufacturing method that can reduce the occurrence of soldering defects.
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