Substrate and metal laminate

Substrate and metal laminate

A substrate with a tetrafluoroethylene polymer and an inorganic filler, wherein the proportion of the total volume of the tetrafluoroethylene polymer and the inorganic filler to the total volume of the present substrate is at least 80 vol %, and the substrate has a rate of change in dielectric loss...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Arai, Kanji, Ono, Motoshi
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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Beschreibung
Zusammenfassung:A substrate with a tetrafluoroethylene polymer and an inorganic filler, wherein the proportion of the total volume of the tetrafluoroethylene polymer and the inorganic filler to the total volume of the present substrate is at least 80 vol %, and the substrate has a rate of change in dielectric loss tangent at 10 GHz before and after 72 hours of unsaturated pressure cooker test at 120° C. under 85% RH on a 127-μm thick specimen cut out from the substrate is at most 30%.