EPOXY RESIN COMPOSITION FOR SEALING AND ELECTRONIC PART DEVICE

PROBLEM TO BE SOLVED: To obtain an epoxy resin composition for sealing, excellent in laser marking property and electric characteristics, causing no short circuit due to electroconductive materials even in an electronic part device with a narrow interval between pads or wires and having excellent mo...

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Bibliographische Detailangaben
Hauptverfasser: TAKEMIYA KEIZO, ABE HIDENORI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain an epoxy resin composition for sealing, excellent in laser marking property and electric characteristics, causing no short circuit due to electroconductive materials even in an electronic part device with a narrow interval between pads or wires and having excellent moldability, reliability and package surface externals, and to provide electronic part devices using the epoxy resin composition. SOLUTION: The epoxy resin composition for sealing comprises, as essential ingredients, (A) an epoxy resin, (B) a curing agent, (C) non-electroconductive carbon, (D) an inorganic filler and (E) an organic dye, wherein the organic dye includes a dye selected from azine dyes, anthraquinone dyes, disazo dyes, diiminium dyes, aminium dyes, diimmonium dyes and phthalocyanine dyes. The electronic part device is equipped with elements sealed with the epoxy resin composition. COPYRIGHT: (C)2004,JPO