DIELECTRIC RAW MATERIAL, ANTENNA DEVICE, PORTABLE PHONE AND ELECTROMAGNETIC WAVE SHIELDING BODY

A high-permittivity dielectric raw material, an antenna device using the raw material and being useful as, especially, the built-in antenna device of a portable phone; a portable phone which can be reduced in weight, thickness and size, with an antenna radiation efficiency improved, and an electroma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKAGI, KAZUHISA, FURUKAWA, YUKO, KOYAMASHITA, YUJI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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