MODIFIED POLYALUMINOSILOXANE

PROBLEM TO BE SOLVED: To provide a modified polyaluminosiloxane good in not only heat resistance, but also transparency, adhesive properties and sheet formability, an optical semiconductor element encapsulating material containing the polyaluminosiloxane, and an optical semiconductor device obtained...

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Bibliographische Detailangaben
Hauptverfasser: AKAZAWA MITSUHARU, KATAYAMA HIROYUKI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a modified polyaluminosiloxane good in not only heat resistance, but also transparency, adhesive properties and sheet formability, an optical semiconductor element encapsulating material containing the polyaluminosiloxane, and an optical semiconductor device obtained by encapsulating an optical semiconductor element using the encapsulating material. SOLUTION: The modified polyaluminosiloxane is obtained by reacting a polyaluminosiloxane with a silane coupling agent represented by the formula (I) wherein each of R1, R2and R3is independently an alkyl group or an alkoxy group, and X is a methacryloxy group, a glycidoxy group, an amino group, a vinyl group or a mercapto group, provided that at least two of R1, R2and R3are alkoxy groups. COPYRIGHT: (C)2010,JPO&INPIT