Special receptacle or package – For a building component – Shingle
Patent
1984-10-29
1986-12-09
Moy, Joseph Man-Fu
Special receptacle or package
For a building component
Shingle
206330, 206334, 29 2535, B65D 7302
Patent
active
046275339
ABSTRACT:
Ceramic package (10) for compensated crystal oscillator has a three-layer body with a closed bottom upper cavity (24), a closed bottom lower cavity (38), and a through cavity (44) in which is mounted oscillator crystal. The upper cavity carries oscillator network on thin film hybrid (68) while the lower cavity carries the temperature compensation network on thick film hybrid (70). After the components are installed and connected, the oscillator network is adjusted, and then the crystal is adjusted in vacuuo. The crystal cavity is closed with thermocompression bonded covers to maintain the vacuum and the oscillator network cavity is filled with dry inert gas and is sealed by attaching a cover by thermocompression bonding. With both cavities sealed, the compensator network is adjusted as required. Thereupon, the compensation network is also covered and hermetically sealed.
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Fidei David T.
Float K. W.
Hughes Aircraft Company
Karambelas A. W.
Man-Fu Moy Joseph
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