KR100770826B1 - 압전 진동편 및 압전 디바이스 - Google Patents
압전 진동편 및 압전 디바이스 Download PDFInfo
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- KR100770826B1 KR100770826B1 KR20060038040A KR20060038040A KR100770826B1 KR 100770826 B1 KR100770826 B1 KR 100770826B1 KR 20060038040 A KR20060038040 A KR 20060038040A KR 20060038040 A KR20060038040 A KR 20060038040A KR 100770826 B1 KR100770826 B1 KR 100770826B1
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- 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
-
- 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
- H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
-
- 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
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- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (9)
- 압전 재료에 의해 형성된 소정 길이의 기부(基部)와,상기 기부의 일단측으로부터 연장되는 복수의 진동 아암과,상기 기부의 상기 일단측에서 소정 거리만큼 떨어진 부분으로부터 폭방향으로 연장되고, 또한 상기 진동 아암의 외측에서, 이 진동 아암과 같은 방향으로 연장되는 지지용 아암과,상기 지지용 아암이 상기 기부에 대해 일체로 접속되어 있는 접속부보다도 상기 진동 아암 근처의 위치에서, 상기 압전 재료에 의해 형성된 소정 길이의 상기 기부의 양측면에, 상기 기부의 폭 방향을 축소시켜 형성한 오목부를 구비하고,상기 지지용 아암이 상기 기부에 대해 일체로 접속되어 있는 접속부보다도 상기 진동 아암 근처의 위치에, 관통구멍을 더 형성한 것을 특징으로 하는 압전 진동편(振動片).
- 청구항 1에 있어서, 상기 오목부가, 상기 각 진동 아암의 베이스로부터 상기 아암 폭 치수의 1.2배 이상의 거리를 두고 상기 기부에 형성되어 있는 것을 특징으로 하는 압전 진동편.
- 청구항 1 또는 2에 있어서, 상기 각 진동 아암의 측면에, +X축(기계축) 방향으로 돌출하는 이형부(異形部)가 최소가 되도록 형성되어 있는 것을 특징으로 하는 압전 진동편.
- 청구항 1 또는 2에 있어서, 상기 지지용 아암의 선단이, 상기 진동 아암의 선단보다도 상기 기부 근처가 되도록, 상기 지지용 아암의 길이가 설정되어 있는 것을 특징으로 하는 압전 진동편.
- 청구항 1 또는 2에 있어서, 상기 각 진동 아암의 길이 방향을 따라 형성된 긴 홈과,상기 긴 홈에 형성한 구동용 전극을 구비하고 있고,상기 각 진동 아암의 폭 치수가, 상기 기부측으로부터 선단측을 향해, 서서히 축소되는 협폭부를 가짐과 더불어,상기 선단측에는 상기 폭 치수가, 선단측을 향해 같은 치수로 연장되거나, 또는 증가로 바뀌는 폭 변화의 변경점 P가 있고,상기 변경점 P를, 상기 긴 홈의 선단부보다도 더욱 진동 아암 선단측에 위치시키도록 한 것을 특징으로 하는 압전 진동편.
- 청구항 5에 있어서, 상기 각 진동 아암의 폭 치수가, 상기 진동 아암의 상기 기부에 대한 베이스 부분에서, 선단측을 향해 급격하게 축소되는 제1 협폭부와, 이 제1 협폭부의 종단으로부터, 상기 협폭부로서, 더욱 선단측을 향해, 서서히 폭이 축소되는 제2 협폭부를 갖는 것을 특징으로 하는 압전 진동편.
- 청구항 5에 있어서, 상기 진동 아암의 폭 축소율로서의 최대폭/최소폭=M의 값이, 상기 진동 아암의 아암 길이에 대한 상기 긴 홈의 길이의 비율=N과의 관계로 결정되어 있는 것을 특징으로 하는 압전 진동편.
- 청구항 7에 있어서, 상기 N을 61% 정도로 한 경우에, 상기 M을 1.06 이상으로 한 것을 특징으로 하는 압전 진동편.
- 패키지 또는 케이스 내에 압전 진동편을 수용한 압전 디바이스로서,상기 압전 진동편이,압전 재료에 의해 형성된 소정 길이의 기부와,상기 기부의 일단측으로부터 연장되는 복수의 진동 아암과,상기 기부의 상기 일단측에서 소정 거리만큼 떨어진 부분으로부터 폭방향으로 연장되고, 또한 상기 진동 아암의 외측에서, 이 진동 아암과 같은 방향으로 연장되는 지지용 아암과,상기 지지용 아암이 상기 기부에 대해 일체로 접속되어 있는 접속부보다도 상기 진동 아암 근처의 위치에서, 상기 압전 재료에 의해 형성된 소정 길이의 상기 기부의 양측면에, 상기 기부의 폭 방향을 축소시켜 형성한 오목부를 구비하고,상기 지지용 아암이 상기 기부에 대해 일체로 접속되어 있는 접속부보다도 상기 진동 아암 근처의 위치에, 관통구멍을 더 형성한 것을 특징으로 하는 압전 디바이스.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2005-00129907 | 2005-04-27 | ||
JP2005129907A JP4415389B2 (ja) | 2005-04-27 | 2005-04-27 | 圧電デバイス |
Publications (2)
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KR20060113488A KR20060113488A (ko) | 2006-11-02 |
KR100770826B1 true KR100770826B1 (ko) | 2007-10-26 |
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KR20060038040A Expired - Fee Related KR100770826B1 (ko) | 2005-04-27 | 2006-04-27 | 압전 진동편 및 압전 디바이스 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7675224B2 (ko) |
EP (1) | EP1724919B1 (ko) |
JP (1) | JP4415389B2 (ko) |
KR (1) | KR100770826B1 (ko) |
CN (1) | CN100583627C (ko) |
DE (1) | DE602006007194D1 (ko) |
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CN112994640A (zh) * | 2021-03-29 | 2021-06-18 | 合肥晶威特电子有限责任公司 | 音叉型石英晶体压电振动片 |
Citations (4)
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JPS57185717A (en) * | 1981-05-12 | 1982-11-16 | Citizen Watch Co Ltd | Tuning fork type quartz oscillator |
EP1478090A2 (en) * | 2003-05-16 | 2004-11-17 | Seiko Epson Corporation | Tuning-fork-type piezoelectric resonator element |
US20040263027A1 (en) * | 2003-06-30 | 2004-12-30 | Hirofumi Kawashima | Resonator, unit having resonator, oscillator having unit and electronic apparatus having oscillator |
US20050062368A1 (en) * | 2003-08-19 | 2005-03-24 | Seiko Epson Corporation | Tuning-fork type piezo-oscillator piece and mounting method thereof |
Family Cites Families (10)
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JPS5360594A (en) | 1976-11-11 | 1978-05-31 | Seiko Epson Corp | Electronic watch |
JPS5437488A (en) | 1977-07-20 | 1979-03-19 | Seiko Epson Corp | Tuning fork type crystal oscillator |
JPS5634216A (en) | 1979-08-29 | 1981-04-06 | Seiko Epson Corp | Composite oscillation quartz oscillator |
US6262520B1 (en) * | 1999-09-15 | 2001-07-17 | Bei Technologies, Inc. | Inertial rate sensor tuning fork |
JP2002261575A (ja) | 2000-12-25 | 2002-09-13 | Seiko Epson Corp | 振動片、振動子、発振器及び電子機器 |
US6894428B2 (en) * | 2001-01-15 | 2005-05-17 | Seiko Epson Corporation | Vibrating piece, vibrator, oscillator, and electronic device |
JP2004200914A (ja) | 2002-12-17 | 2004-07-15 | Seiko Epson Corp | 圧電デバイス、及び圧電デバイスを利用した携帯電話装置、電子機器 |
US7768179B2 (en) * | 2003-06-30 | 2010-08-03 | Piedek Technical Laboratory | Quartz crystal unit, quartz crystal oscillator having quartz crystal unit and electronic apparatus having quartz crystal oscillator |
US7365478B2 (en) * | 2003-12-17 | 2008-04-29 | Piedek Technical Laboratory | Piezoelectric crystal resonator, piezoelectric crystal unit having the crystal resonator and electronic apparatus having the crystal resonator |
ATE467268T1 (de) * | 2004-09-03 | 2010-05-15 | Eta Sa Mft Horlogere Suisse | Quartzresonator mit sehr kleinen abmessungen |
-
2005
- 2005-04-27 JP JP2005129907A patent/JP4415389B2/ja not_active Expired - Fee Related
-
2006
- 2006-04-26 CN CN200610078627A patent/CN100583627C/zh not_active Expired - Fee Related
- 2006-04-26 DE DE200660007194 patent/DE602006007194D1/de active Active
- 2006-04-26 EP EP20060008698 patent/EP1724919B1/en not_active Not-in-force
- 2006-04-26 US US11/380,273 patent/US7675224B2/en not_active Expired - Fee Related
- 2006-04-27 KR KR20060038040A patent/KR100770826B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57185717A (en) * | 1981-05-12 | 1982-11-16 | Citizen Watch Co Ltd | Tuning fork type quartz oscillator |
EP1478090A2 (en) * | 2003-05-16 | 2004-11-17 | Seiko Epson Corporation | Tuning-fork-type piezoelectric resonator element |
US20040263027A1 (en) * | 2003-06-30 | 2004-12-30 | Hirofumi Kawashima | Resonator, unit having resonator, oscillator having unit and electronic apparatus having oscillator |
US20050062368A1 (en) * | 2003-08-19 | 2005-03-24 | Seiko Epson Corporation | Tuning-fork type piezo-oscillator piece and mounting method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP1724919B1 (en) | 2009-06-10 |
US20070024163A1 (en) | 2007-02-01 |
DE602006007194D1 (de) | 2009-07-23 |
CN1855712A (zh) | 2006-11-01 |
CN100583627C (zh) | 2010-01-20 |
US7675224B2 (en) | 2010-03-09 |
EP1724919A2 (en) | 2006-11-22 |
JP4415389B2 (ja) | 2010-02-17 |
KR20060113488A (ko) | 2006-11-02 |
EP1724919A3 (en) | 2006-11-29 |
JP2006311088A (ja) | 2006-11-09 |
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