KR100804407B1 - 탄성 경계파 장치의 제조방법 - Google Patents
탄성 경계파 장치의 제조방법 Download PDFInfo
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- KR100804407B1 KR100804407B1 KR20067019990A KR20067019990A KR100804407B1 KR 100804407 B1 KR100804407 B1 KR 100804407B1 KR 20067019990 A KR20067019990 A KR 20067019990A KR 20067019990 A KR20067019990 A KR 20067019990A KR 100804407 B1 KR100804407 B1 KR 100804407B1
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- boundary acoustic
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
-
- 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
- H03H9/0222—Details of interface-acoustic, boundary, pseudo-acoustic or Stonely wave devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/4908—Acoustic transducer
Abstract
Description
제1의 로트 | 제2의 로트 | |
SiO2 성막 전 | 844MHz | 847MHz |
SiO2 성막 후 | 1060MHz | 1065MHz |
Claims (9)
- 제1∼제3의 매질이 제1의 매질을 최하위층으로 하여 순서대로 적층되어 있으며, 또한 제1의 매질과 제2의 매질과의 경계에 전극이 배치되어 있는 탄성 경계파 장치의 제조방법으로서,제1의 매질과 제2의 매질이 적층되어 있으며, 제1, 제2의 매질의 경계에 전극이 배치되어 있는 적층체를 준비하는 공정과,상기 적층체 단계에서 제2의 매질의 막두께에 의해 주파수, 또는 탄성 표면파, 의사 탄성 경계파 혹은 탄성 경계파의 음속을 조정하는 조정공정과,상기 조정공정 후에, 탄성 경계파의 음속 및/또는 재료가 제2의 매질과는 다른 제3의 매질을 형성하는 공정을 구비하는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1항에 있어서, 상기 제3의 매질의 두께가, 탄성 경계파의 파장을 λ라고 했을 때에, 0.5λ보다 큰 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1∼제4의 매질이 제1의 매질을 최하위층으로 하여 순서대로 적층되어 있으며, 또한 제1의 매질과 제2의 매질과의 경계에 전극이 배치되어 있는 탄성 경계파 장치의 제조방법으로서,제1∼제3의 매질이 제1의 매질을 최하위층으로 하여 순서대로 적층되어 있으며, 또한 제1의 매질과 제2의 매질과의 경계에 전극이 배치되어 있는 적층체를 준비하는 공정과,상기 적층체 단계에서, 주파수, 또는 탄성 표면파, 의사 탄성 경계파 혹은 탄성 경계파의 음속을 조정하는 조정공정과,상기 조정공정 후에, 음속 및/또는 재료가 제3의 매질과는 다른 제4의 매질을 형성하는 공정을 구비하는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제3항에 있어서, 상기 제4의 매질의 두께가, 탄성 경계파의 파장을 λ라고 했을 때에, 0.5λ보다 큰 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1항에 있어서, 적어도 하나의 매질이 복수의 재료층을 적층한 적층구조를 갖는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 전극재료로서, Au, Ag, Cu, Fe, Ta, W, Ti 및 Pt로 이루어지는 군에서 선택된 1종의 금속을 사용하는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 매질층이 니오브산리튬, 니오브산칼륨, 탄탈산리튬, 4붕산리튬, 랑거사이트(langasite)나 랑거나이트(langanite), 수정, PZT(티탄산지르콘산납계 세라믹스), ZnO, AlN, 산화규소, 유리, 실리콘, 사파이어, 질화실리콘 및 질소화탄소로 이루어지는 군에서 선택된 적어도 1종의 재료를 사용해서 구성되어 있는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 전극이 탄성 경계파 공진자 또는 탄성 경계파 필터를 구성하기 위한 전극이며, 탄성 경계파 장치로서, 탄성 경계파 공진자 또는 탄성 경계파 필터가 얻어지는 것을 특징으로 하는 탄성 경계파 장치의 제조방법.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004095962 | 2004-03-29 | ||
JPJP-P-2004-00095962 | 2004-03-29 |
Publications (2)
Publication Number | Publication Date |
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KR20060129514A KR20060129514A (ko) | 2006-12-15 |
KR100804407B1 true KR100804407B1 (ko) | 2008-02-15 |
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KR20067019990A KR100804407B1 (ko) | 2004-03-29 | 2005-03-24 | 탄성 경계파 장치의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (3) | US7322093B2 (ko) |
EP (2) | EP2383888A3 (ko) |
JP (2) | JP4535067B2 (ko) |
KR (1) | KR100804407B1 (ko) |
CN (4) | CN101714858B (ko) |
WO (1) | WO2005093949A1 (ko) |
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CN1788415B (zh) * | 2004-01-19 | 2012-09-12 | 株式会社村田制作所 | 边界声波装置 |
DE102004045181B4 (de) * | 2004-09-17 | 2016-02-04 | Epcos Ag | SAW-Bauelement mit reduziertem Temperaturgang und Verfahren zur Herstellung |
JP2006279609A (ja) * | 2005-03-29 | 2006-10-12 | Fujitsu Media Device Kk | 弾性境界波素子、共振子およびラダー型フィルタ |
DE102005055871A1 (de) * | 2005-11-23 | 2007-05-24 | Epcos Ag | Elektroakustisches Bauelement |
DE102005055870A1 (de) | 2005-11-23 | 2007-05-24 | Epcos Ag | Elektroakustisches Bauelement |
JP4748166B2 (ja) * | 2006-01-06 | 2011-08-17 | 株式会社村田製作所 | 弾性波フィルタ |
JP2007267366A (ja) * | 2006-02-28 | 2007-10-11 | Fujitsu Media Device Kk | 弾性境界波素子、共振器およびフィルタ |
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CN101714858B (zh) | 2013-05-01 |
EP2383888A3 (en) | 2012-08-01 |
JP5099151B2 (ja) | 2012-12-12 |
CN101714858A (zh) | 2010-05-26 |
EP2383888A2 (en) | 2011-11-02 |
CN101741342A (zh) | 2010-06-16 |
WO2005093949A1 (ja) | 2005-10-06 |
JPWO2005093949A1 (ja) | 2008-02-14 |
CN103187944A (zh) | 2013-07-03 |
US20070018536A1 (en) | 2007-01-25 |
CN1938946A (zh) | 2007-03-28 |
JP4535067B2 (ja) | 2010-09-01 |
US7550898B2 (en) | 2009-06-23 |
EP1732214A4 (en) | 2008-08-06 |
US7322093B2 (en) | 2008-01-29 |
EP1732214A1 (en) | 2006-12-13 |
JP2010166592A (ja) | 2010-07-29 |
KR20060129514A (ko) | 2006-12-15 |
US7581306B2 (en) | 2009-09-01 |
US20070222337A1 (en) | 2007-09-27 |
US20070284965A1 (en) | 2007-12-13 |
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