Production method for light-emitting device
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United States of America Patent
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Feb 21, 2017
Grant Date -
Oct 6, 2016
app pub date -
Jun 13, 2016
filing date -
Sep 28, 2012
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Abstract
A fluorescent material-containing sealing resin (20) production method of the present invention includes: a kneading step of kneading a powder mixture (24), which has been obtained by mixing a powder of silicone resins (21) and a powder of fluorescent materials (22) together, while melting the powder mixture (24) by heat, so that a kneaded mixture (25) is obtained; and an extruding step of extruding the kneaded mixture (25) in a form of a cord from an output port (37b) of a twin screw extruder (37).
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