JPS5227293A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Air-tight sealing method of crystal oscillator
Assignee: Seikosha KK
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Filing: 1975-08-26
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Granted: —
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Expires: 1995-08-26
Abstract
Abstract PURPOSE:Prevention of the frequency change on standing of crystal oscillator by introducing an air-tight sealing method by resistance welding.
Inventors
- 👤 Shunei Samejima
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0504; H03H9/0528; H03H9/0538; H03H9/0547
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