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why the open patch LED diode to use heat gun? Below small make up to explain.
for SMD LED diode on the back of the center have a solder joint, if use the soldering iron to the base plate welding is done, so, need to use heat gun it from the substrate. Except, of course, this method also can be used on the aluminum substrate heating heating, when the tin melt can take down don't lamp bead.
to sum up, in the open patch LED diode why want to use the heat gun is understanding.
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