GB2091939B - Piezoelectric filters and methods of making same - Google Patents
Piezoelectric filters and methods of making sameInfo
- Publication number
- GB2091939B GB2091939B GB8136383A GB8136383A GB2091939B GB 2091939 B GB2091939 B GB 2091939B GB 8136383 A GB8136383 A GB 8136383A GB 8136383 A GB8136383 A GB 8136383A GB 2091939 B GB2091939 B GB 2091939B
- Authority
- GB
- United Kingdom
- Prior art keywords
- methods
- making same
- piezoelectric filters
- piezoelectric
- filters
- 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
Classifications
-
- 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
-
- 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
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals
-
- 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
- H03H9/05—Holders; Supports
- H03H9/0504—Holders; Supports for bulk acoustic wave devices
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55173964A JPS5797717A (en) | 1980-12-10 | 1980-12-10 | Piezoelectric filter and its production |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2091939A GB2091939A (en) | 1982-08-04 |
GB2091939B true GB2091939B (en) | 1984-06-27 |
Family
ID=15970296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8136383A Expired GB2091939B (en) | 1980-12-10 | 1981-12-02 | Piezoelectric filters and methods of making same |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5797717A (en) |
KR (1) | KR860001042B1 (en) |
DE (1) | DE3148389A1 (en) |
GB (1) | GB2091939B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484158A (en) * | 1982-07-07 | 1984-11-20 | General Electric Company | Monolithic crystal filter and method of manufacturing same |
JPS59189713A (en) * | 1983-04-11 | 1984-10-27 | Toko Inc | Oscillator and its production |
JP2001036376A (en) | 1999-07-23 | 2001-02-09 | Murata Mfg Co Ltd | Piezoelectric resonator and piezoelectric component |
-
1980
- 1980-12-10 JP JP55173964A patent/JPS5797717A/en active Granted
-
1981
- 1981-12-02 GB GB8136383A patent/GB2091939B/en not_active Expired
- 1981-12-05 KR KR1019810004746A patent/KR860001042B1/en active
- 1981-12-07 DE DE19813148389 patent/DE3148389A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3148389A1 (en) | 1982-06-24 |
JPS6328364B2 (en) | 1988-06-08 |
GB2091939A (en) | 1982-08-04 |
KR860001042B1 (en) | 1986-07-28 |
JPS5797717A (en) | 1982-06-17 |
KR830008555A (en) | 1983-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
711A | Proceeding under section 117(1) patents act 1977 | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20011201 |