Chip type oscillator and oscillation circuit using this oscillat

Details Chip type oscillator and oscillation circuit using this oscillat Chip type oscillator and oscillation circuit using this oscillat

1993-02-24

1995-04-11

Dolinar, Andrew M.

Oscillators

Plural oscillators

331158, 331162, 310349, 310366, H01L 4104, H03B 532

Patent

active

054062306

ABSTRACT:
A chip type oscillator which comprises two oscillator elements bonded to each other, and two protective plates bonded to the outer surfaces of the oscillator elements. The oscillator elements have lead electrodes which are provided on corner portions thereof and are connected with vibrating electrodes, and the protective plates have external electrodes which are provided on corner portions thereof. The external electrodes and the lead electrodes are independently connected with each other through conductive coatings provided on peripheral surfaces of the oscillator chip. Integrated load capacitors may also be formed on the oscillator chip. The two oscillator elements are so integrated with each other that it is possible to reduce the number of components as well as the packaging area and simplify the mounting operation.

REFERENCES:
patent: 4039969 (1977-08-01), Martin
patent: 4464599 (1984-08-01), Briese
patent: 4558248 (1985-12-01), Valentin
patent: 4652784 (1987-03-01), Inoue et al.

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