NO313358B1 - Elektronisk komponent, stigefilter og kommunikasjonsapparat - Google Patents
Elektronisk komponent, stigefilter og kommunikasjonsapparat Download PDFInfo
- Publication number
- NO313358B1 NO313358B1 NO19984577A NO984577A NO313358B1 NO 313358 B1 NO313358 B1 NO 313358B1 NO 19984577 A NO19984577 A NO 19984577A NO 984577 A NO984577 A NO 984577A NO 313358 B1 NO313358 B1 NO 313358B1
- Authority
- NO
- Norway
- Prior art keywords
- resonator
- electrodes
- resonators
- longitudinal direction
- substrate
- Prior art date
Links
- 238000004891 communication Methods 0.000 title claims description 8
- 239000000758 substrate Substances 0.000 claims description 43
- 230000010355 oscillation Effects 0.000 claims description 16
- 230000005684 electric field Effects 0.000 claims description 11
- 230000010287 polarization Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000002356 single layer Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 20
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity 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
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/60—Electric coupling means therefor
- H03H9/605—Electric coupling means therefor consisting of a ladder configuration
-
- 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
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
-
- 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
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/173—Air-gaps
-
- 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
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28617597 | 1997-10-01 | ||
| JP24720698A JP3368214B2 (ja) | 1997-10-01 | 1998-09-01 | ラダーフィルタおよび通信機器 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO984577D0 NO984577D0 (no) | 1998-09-30 |
| NO984577L NO984577L (no) | 1999-04-06 |
| NO313358B1 true NO313358B1 (no) | 2002-09-16 |
Family
ID=26538137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19984577A NO313358B1 (no) | 1997-10-01 | 1998-09-30 | Elektronisk komponent, stigefilter og kommunikasjonsapparat |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6150902A (de) |
| EP (1) | EP0907248A3 (de) |
| JP (1) | JP3368214B2 (de) |
| KR (1) | KR100299937B1 (de) |
| CN (1) | CN1127209C (de) |
| NO (1) | NO313358B1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000357938A (ja) * | 1999-04-16 | 2000-12-26 | Murata Mfg Co Ltd | ラダー型フィルタおよびそれを用いた通信機 |
| JP2001200224A (ja) | 2000-01-18 | 2001-07-24 | Murata Mfg Co Ltd | 異方導電性接着剤およびそれを用いたラダーフィルタ |
| JP3473567B2 (ja) * | 2000-10-30 | 2003-12-08 | 株式会社村田製作所 | 圧電共振子およびこの圧電共振子を用いたラダー型フィルタ |
| JP2002368577A (ja) * | 2001-04-06 | 2002-12-20 | Murata Mfg Co Ltd | 二重モードフィルタ |
| JP2003298392A (ja) | 2002-03-29 | 2003-10-17 | Fujitsu Media Device Kk | フィルタチップ及びフィルタ装置 |
| KR100819555B1 (ko) | 2006-12-29 | 2008-04-08 | 주식회사 에스세라 | 압전 공진자를 가지는 압전 공진 장치의 형성방법들 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0270600U (de) * | 1988-11-15 | 1990-05-29 | ||
| JPH02224515A (ja) * | 1989-02-27 | 1990-09-06 | Tdk Corp | 圧電振動子及びその製造方法 |
| US5400001A (en) * | 1992-09-21 | 1995-03-21 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric resonator and piezoelectric filter |
| JPH088677A (ja) * | 1994-06-23 | 1996-01-12 | Matsushita Electric Ind Co Ltd | 圧電部品 |
| JP3181475B2 (ja) * | 1994-08-12 | 2001-07-03 | ティーディーケイ株式会社 | 弾性表面波装置 |
| JP3331893B2 (ja) * | 1996-02-22 | 2002-10-07 | 株式会社村田製作所 | 圧電共振子およびそれを用いたフィルタおよびａｍ受信回路 |
| JP3271517B2 (ja) * | 1996-04-05 | 2002-04-02 | 株式会社村田製作所 | 圧電共振子およびそれを用いた電子部品 |
| JPH1079639A (ja) * | 1996-07-10 | 1998-03-24 | Murata Mfg Co Ltd | 圧電共振子およびそれを用いた電子部品 |
| JPH1084244A (ja) * | 1996-07-18 | 1998-03-31 | Murata Mfg Co Ltd | 圧電共振子およびそれを用いた電子部品 |
| JP3271541B2 (ja) * | 1996-07-26 | 2002-04-02 | 株式会社村田製作所 | 圧電共振子およびそれを用いた電子部品 |
| JP3577170B2 (ja) * | 1996-08-05 | 2004-10-13 | 株式会社村田製作所 | 圧電共振子とその製造方法およびそれを用いた電子部品 |
| JPH10107579A (ja) * | 1996-08-06 | 1998-04-24 | Murata Mfg Co Ltd | 圧電部品 |
| JPH10126203A (ja) * | 1996-08-27 | 1998-05-15 | Murata Mfg Co Ltd | 圧電共振子およびそれを用いた電子部品 |
| JP3267171B2 (ja) * | 1996-09-12 | 2002-03-18 | 株式会社村田製作所 | 圧電共振子およびそれを用いた電子部品 |
| JP3147793B2 (ja) * | 1996-11-22 | 2001-03-19 | 株式会社村田製作所 | ラダー型フィルタ |
-
1998
- 1998-09-01 JP JP24720698A patent/JP3368214B2/ja not_active Expired - Lifetime
- 1998-09-28 US US09/161,971 patent/US6150902A/en not_active Expired - Lifetime
- 1998-09-29 KR KR1019980040490A patent/KR100299937B1/ko not_active Expired - Lifetime
- 1998-09-30 EP EP98118472A patent/EP0907248A3/de not_active Withdrawn
- 1998-09-30 NO NO19984577A patent/NO313358B1/no not_active IP Right Cessation
- 1998-09-30 CN CN98119417A patent/CN1127209C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990036701A (ko) | 1999-05-25 |
| JP3368214B2 (ja) | 2003-01-20 |
| EP0907248A3 (de) | 2002-07-24 |
| CN1213890A (zh) | 1999-04-14 |
| JPH11168348A (ja) | 1999-06-22 |
| NO984577D0 (no) | 1998-09-30 |
| US6150902A (en) | 2000-11-21 |
| EP0907248A2 (de) | 1999-04-07 |
| NO984577L (no) | 1999-04-06 |
| CN1127209C (zh) | 2003-11-05 |
| KR100299937B1 (ko) | 2001-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |