KR910016132A - 다전극 수정 진동자 - Google Patents
다전극 수정 진동자Info
- Publication number
- KR910016132A KR910016132A KR1019900021929A KR900021929A KR910016132A KR 910016132 A KR910016132 A KR 910016132A KR 1019900021929 A KR1019900021929 A KR 1019900021929A KR 900021929 A KR900021929 A KR 900021929A KR 910016132 A KR910016132 A KR 910016132A
- Authority
- KR
- South Korea
- Prior art keywords
- crystal oscillator
- electrode crystal
- electrode
- oscillator
- crystal
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/566—Electric coupling means therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H2009/02165—Tuning
- H03H2009/02173—Tuning of film bulk acoustic resonators [FBAR]
- H03H2009/02188—Electrically tuning
- H03H2009/02196—Electrically tuning operating on the FBAR element, e.g. by direct application of a tuning DC voltage
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2050453A JPH0752820B2 (ja) | 1990-02-28 | 1990-02-28 | 多電極水晶振動子 |
JP???2-50453 | 1990-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910016132A true KR910016132A (ko) | 1991-09-30 |
KR940005372B1 KR940005372B1 (ko) | 1994-06-17 |
Family
ID=12859284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900021929A KR940005372B1 (ko) | 1990-02-28 | 1990-12-27 | 다전극 수정 진동자 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5132643A (ko) |
JP (1) | JPH0752820B2 (ko) |
KR (1) | KR940005372B1 (ko) |
DE (1) | DE4106188C2 (ko) |
GB (1) | GB2246661B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3094190B2 (ja) * | 1993-03-17 | 2000-10-03 | セイコーインスツルメンツ株式会社 | 化学計測装置 |
US5414322A (en) * | 1994-04-19 | 1995-05-09 | The United States Of America As Represented By The Secretary Of The Army | Crystal resonator with multiple segmented lateral-field excitation electrodes |
US5955825A (en) * | 1996-04-26 | 1999-09-21 | Mitsubishi Materials Corporation | Crystal oscillator and manufacturing method thereof |
US6943484B2 (en) * | 2001-12-06 | 2005-09-13 | University Of Pittsburgh | Tunable piezoelectric micro-mechanical resonator |
JP4989743B2 (ja) * | 2010-03-10 | 2012-08-01 | 日本電波工業株式会社 | 圧電発振器 |
US8350633B1 (en) * | 2010-10-15 | 2013-01-08 | The Board Of Regents For Oklahoma State University | Microelectromechanical resonators with passive frequency tuning using variable impedance circuits |
US8575819B1 (en) | 2011-07-18 | 2013-11-05 | Integrated Device Technology, Inc. | Microelectromechanical resonators with passive frequency tuning using built-in piezoelectric-based varactors |
US9090451B1 (en) | 2011-07-19 | 2015-07-28 | Integrated Device Technology, Inc. | Microelectromechanical resonators having offset [100] and [110] crystal orientations |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL176583B (nl) * | 1953-03-04 | Lummus Co | Werkwijze voor de bereiding van een straalmotorbrandstof. | |
GB928886A (en) * | 1959-12-21 | 1963-06-19 | Plessey Co Ltd | Improvements in or relating to piezoelectric ceramic wave filter elements |
US3423700A (en) * | 1963-04-30 | 1969-01-21 | Clevite Corp | Piezoelectric resonator |
US3699484A (en) * | 1970-06-24 | 1972-10-17 | Vernitron Corp | Width extensional resonator and coupled mode filter |
JPS5832524B2 (ja) * | 1976-11-04 | 1983-07-13 | セイコーエプソン株式会社 | 音叉型水晶振動子の電極構造 |
GB1580600A (en) * | 1978-05-09 | 1980-12-03 | Philips Electronic Associated | Kpiezoelectric devices |
JPS54157494A (en) * | 1978-06-01 | 1979-12-12 | Seikosha Kk | Piezooelectric vibrator |
US4376919A (en) * | 1979-10-16 | 1983-03-15 | Seikosha Co., Ltd. | Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency |
US4329666A (en) * | 1980-08-11 | 1982-05-11 | Motorola, Inc. | Two-pole monolithic crystal filter |
JP2545568B2 (ja) * | 1988-01-26 | 1996-10-23 | 日本電波工業株式会社 | 圧電発振器 |
JPH02180410A (ja) * | 1988-07-25 | 1990-07-13 | Nippon Dempa Kogyo Co Ltd | 温度補償多周波発振器 |
-
1990
- 1990-02-28 JP JP2050453A patent/JPH0752820B2/ja not_active Expired - Fee Related
- 1990-12-27 KR KR1019900021929A patent/KR940005372B1/ko not_active IP Right Cessation
-
1991
- 1991-02-22 US US07/660,431 patent/US5132643A/en not_active Expired - Lifetime
- 1991-02-27 DE DE4106188A patent/DE4106188C2/de not_active Expired - Fee Related
- 1991-02-28 GB GB9104177A patent/GB2246661B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5132643A (en) | 1992-07-21 |
DE4106188C2 (de) | 2000-10-05 |
GB2246661A (en) | 1992-02-05 |
DE4106188A1 (de) | 1991-08-29 |
JPH03252213A (ja) | 1991-11-11 |
GB9104177D0 (en) | 1991-04-17 |
KR940005372B1 (ko) | 1994-06-17 |
JPH0752820B2 (ja) | 1995-06-05 |
GB2246661B (en) | 1994-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20080318 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |