JPS6468112A - Piezoelectric vibrator having adjusting function of oscillated frequency - Google Patents
Piezoelectric vibrator having adjusting function of oscillated frequencyInfo
- Publication number
- JPS6468112A JPS6468112A JP22548887A JP22548887A JPS6468112A JP S6468112 A JPS6468112 A JP S6468112A JP 22548887 A JP22548887 A JP 22548887A JP 22548887 A JP22548887 A JP 22548887A JP S6468112 A JPS6468112 A JP S6468112A
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- capacitor
- electrode
- piezoelectric substrate
- clockwise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
PURPOSE:To eliminate the need for the adjustment at manufacture by forming a capacitor part required for the oscillation circuit on a piezoelectric substrate and adjusting the capacitor part so as to establish the oscillating condition while being mounted onto an external circuit. CONSTITUTION:An exciting electrode 2 having a diameter in response to a desired resonance frequency and electrodes 6, 7 prolonged from a lead pattern 5 clockwise and counter clockwise are formed to the center of the discoid piezoelectric substrate 1. Moreover, hart of electrodes 4, 6, 7 of the shape similar to, said electrode pattern rotated clockwise by 90 deg., electrodes 7', 6', 4' and an exciting electrode 2' opposed to each other while clipping the exciting electrode 2 onto the piezoelectric substrate 1 are provided on the opposed side. Terminals F, H, and G of crystal vibrator are connected to a base B, an emitter E and earth of the external circuit, and a laser, for example, is radiated to the electrode of a capacitor Cv in this state to adjust its capacitance thereby obtaining a desired oscillated frequency and the capacitor is mounted in the case and sealed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22548887A JPS6468112A (en) | 1987-09-09 | 1987-09-09 | Piezoelectric vibrator having adjusting function of oscillated frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22548887A JPS6468112A (en) | 1987-09-09 | 1987-09-09 | Piezoelectric vibrator having adjusting function of oscillated frequency |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6468112A true JPS6468112A (en) | 1989-03-14 |
Family
ID=16830108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22548887A Pending JPS6468112A (en) | 1987-09-09 | 1987-09-09 | Piezoelectric vibrator having adjusting function of oscillated frequency |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6468112A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4962776A (en) * | 1987-03-26 | 1990-10-16 | Regents Of The University Of Minnesota | Process for surface and fluid cleaning |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228890A (en) * | 1975-08-30 | 1977-03-04 | Citizen Watch Co Ltd | Piezoelectric oscillator |
JPS5264129A (en) * | 1975-11-22 | 1977-05-27 | Shiyashin Kougiyou Kk | Method of arranging reinforcement for concrete panel and so on |
JPS54157494A (en) * | 1978-06-01 | 1979-12-12 | Seikosha Kk | Piezooelectric vibrator |
JPS553208A (en) * | 1978-06-22 | 1980-01-11 | Toshiba Corp | Device to obtain plural resonance frequencies |
JPS5936018U (en) * | 1982-08-27 | 1984-03-06 | 日本電気ホームエレクトロニクス株式会社 | magnetic head |
JPS617711A (en) * | 1984-06-22 | 1986-01-14 | Tdk Corp | Piezoelectric ceramic resonator and its manufacture |
-
1987
- 1987-09-09 JP JP22548887A patent/JPS6468112A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5228890A (en) * | 1975-08-30 | 1977-03-04 | Citizen Watch Co Ltd | Piezoelectric oscillator |
JPS5264129A (en) * | 1975-11-22 | 1977-05-27 | Shiyashin Kougiyou Kk | Method of arranging reinforcement for concrete panel and so on |
JPS54157494A (en) * | 1978-06-01 | 1979-12-12 | Seikosha Kk | Piezooelectric vibrator |
JPS553208A (en) * | 1978-06-22 | 1980-01-11 | Toshiba Corp | Device to obtain plural resonance frequencies |
JPS5936018U (en) * | 1982-08-27 | 1984-03-06 | 日本電気ホームエレクトロニクス株式会社 | magnetic head |
JPS617711A (en) * | 1984-06-22 | 1986-01-14 | Tdk Corp | Piezoelectric ceramic resonator and its manufacture |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4962776A (en) * | 1987-03-26 | 1990-10-16 | Regents Of The University Of Minnesota | Process for surface and fluid cleaning |
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