Method of producing housing element for quartz crystal oscillator

A quartz crystal oscillator package comprising a quartz crystal vibrator leaf enclosed in an evacuated housing. The vibrator leaf frame is sandwiched and sealed between a pair of housing elements formed by etching at one time the periphery of each housing element and at another time etching a concav...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIMAKAWA, GEORGE, HARA, YUKIO, KOBAYASHI, MASATOSHI, FUJII, HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY HOROLOGY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS PHYSICS RESONATORS TIME-INTERVAL MEASURING
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