Quartz resonator with electrodes that do not adhere to the cryst

Details Quartz resonator with electrodes that do not adhere to the cryst Quartz resonator with electrodes that do not adhere to the cryst

1977-01-14

1979-01-16

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310349, 310352, 310369, 310361, H01L 4110

Patent

active

041351088

ABSTRACT:
Quartz resonator with electrodes that do not adhere to the crystal. Quartz resonator having improved medium-term and long-term stabilities and permitting easier placing on frequency. The resonator comprises, inside a tight housing 1, a condenser formed by two disks 3, 4 made of a dielectric material and separated by a removable ring 2 which determines the spacing between the disks 3 and 4. Electrodes are formed by metallization on the faces of the disks 3 and 4 located opposite a quartz crystal 1 enclosed in said condenser. The spacings between the crystal 1 and the disks 3 and 4 are considerably less than 1 millimeter. Application, for example, in the fields of telecommunications and radars.

REFERENCES:
patent: RE26707 (1969-11-01), Cutler et al.
patent: 1908320 (1933-05-01), Conklin
patent: 2076060 (1937-04-01), Bechmann et al.
patent: 2542651 (1951-02-01), Franklin et al.
patent: 2677775 (1954-05-01), Font
patent: 2807731 (1957-09-01), Minnich

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