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White Epoxy Molding Compounds for LED ReflectorCEL-W Series

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CEL-W series is thermoset resin for reflector of surface mount LED. LED reflector with good reflectance and heat resistance is molded through transfer molding and MAP molding process.

Features

  • Good reflectance.
  • Good resitance against heat-induced and UV-induced color change.
  • Good adhesion to Ag plating and soft silicone
  • Good moisuture resistance.

Image of CEL-W Series
CEL-W Series

Image of After transfer molding
After transfer molding

Image of After Dicing
After Dicing

Image of After chip mounting
After chip mounting

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Characteristics (Tentative value)

Reflow Resistance(260°C)

Image of Reflow Resistance(260°C)

Heat Resistance(150°C)

Image of Heat Resistance(150°C)

Items Unit CEL-W-7005 Thermoplastics
Reflectance Initial % 93 93
150°C, 1000h % 70 40
After reflow(260°C, 5cycle) % 86 71
Adhesion Ag plating MPa 12 -
Copper MPa 10 -
Moisture absorption % 0.02 0.2

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