JPS647689B2 - - Google Patents
Info
- Publication number
- JPS647689B2 JPS647689B2 JP14482780A JP14482780A JPS647689B2 JP S647689 B2 JPS647689 B2 JP S647689B2 JP 14482780 A JP14482780 A JP 14482780A JP 14482780 A JP14482780 A JP 14482780A JP S647689 B2 JPS647689 B2 JP S647689B2
- Authority
- JP
- Japan
- Prior art keywords
- tuning fork
- electrode
- metal film
- frequency
- adjustment
- 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.)
- Expired
Links
- 239000002184 metal Substances 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
- H03H9/215—Crystal tuning forks consisting of quartz
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14482780A JPS5768924A (en) | 1980-10-16 | 1980-10-16 | Coupling turning fork quartz oscillator |
FR8103611A FR2477803A1 (fr) | 1980-03-04 | 1981-02-24 | Resonateur a quartz du type diapason a couplage de modes |
GB8106490A GB2072943B (en) | 1980-03-04 | 1981-03-02 | Piezo-electric crystal vibrator |
US06/240,045 US4377765A (en) | 1980-03-04 | 1981-03-03 | Mode coupled tuning fork type quartz crystal vibrator and method of tuning |
CH145181A CH645509GA3 (enrdf_load_html_response) | 1980-03-04 | 1981-03-04 | |
DE3108166A DE3108166C2 (de) | 1980-03-04 | 1981-03-04 | Stimmgabelquarzkristallschwinger mit Schwingungskopplung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14482780A JPS5768924A (en) | 1980-10-16 | 1980-10-16 | Coupling turning fork quartz oscillator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5768924A JPS5768924A (en) | 1982-04-27 |
JPS647689B2 true JPS647689B2 (enrdf_load_html_response) | 1989-02-09 |
Family
ID=15371367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14482780A Granted JPS5768924A (en) | 1980-03-04 | 1980-10-16 | Coupling turning fork quartz oscillator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5768924A (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018008386A1 (ja) | 2016-07-05 | 2018-01-11 | 日東化成株式会社 | ポリエステル重合用触媒、ポリエステル樹脂の製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60136406A (ja) * | 1983-12-24 | 1985-07-19 | Matsushima Kogyo Co Ltd | 結合音叉型水晶振動子の調整方法 |
US4929860A (en) * | 1988-05-17 | 1990-05-29 | Sundstrand Data Control, Inc. | Electrode configuration for vibrating beam transducers |
JP4885206B2 (ja) * | 2008-12-22 | 2012-02-29 | 日本電波工業株式会社 | 音叉型圧電振動片および圧電デバイス |
-
1980
- 1980-10-16 JP JP14482780A patent/JPS5768924A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018008386A1 (ja) | 2016-07-05 | 2018-01-11 | 日東化成株式会社 | ポリエステル重合用触媒、ポリエステル樹脂の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS5768924A (en) | 1982-04-27 |