Temperature-compensated crystal oscillator

Details Temperature-compensated crystal oscillator Temperature-compensated crystal oscillator

2007-07-03

2007-07-03

Kinkead, Arnold (Department: 2817)

Oscillators

Frequency stabilization

Temperature or current responsive means in circuit

C331S066000, C331S158000, C331S10800D, C331S1160FE

Reexamination Certificate

active

10783823

ABSTRACT:
A temperature-compensated quartz crystal oscillator includes a substrate having a circuit pattern disposed on a surface thereof and mounting electrodes disposed on a reverse side thereof and electrically connected to the circuit pattern, circuit components mounted on the surface of the substrate and electrically connected to the circuit pattern, and a surface-mounted quartz crystal unit having a hermetically sealed quartz crystal blank, and mounted on the surface of the substrate and electrically connected to the circuit pattern. The crystal unit has a cavity defined in a mounting surface thereof, at least one of the circuit components being housed in the cavity.

REFERENCES:
patent: 4627533 (1986-12-01), Pollard
patent: 6487085 (2002-11-01), Kimura et al.
patent: 6664864 (2003-12-01), Jiles et al.
patent: 6847265 (2005-01-01), Tanaka et al.
patent: 6998925 (2006-02-01), Harima et al.
patent: 61-81208 (1986-05-01), None
patent: 06-085538 (1994-03-01), None

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