JP6369707B2 - 圧電発振装置及びその製造方法 - Google Patents
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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
- H03H3/02—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
-
- 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
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
-
- 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
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric 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
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
- H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles consisting of quartz
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- H03—ELECTRONIC CIRCUITRY
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- 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
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- H—ELECTRICITY
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- 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
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- H03H9/02—Details
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- H03H9/0504—Holders; Supports for bulk acoustic wave devices
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- H03H9/0509—Holders; Supports for bulk acoustic wave devices consisting of adhesive elements
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- H—ELECTRICITY
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- H03H9/0547—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement
- H03H9/0552—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement the device and the other elements being mounted on opposite sides of a common substrate
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- H03H9/1021—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 of the cantilever type
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- 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
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/04—Constructional details for maintaining temperature constant
-
- 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
- H03H2003/022—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 the resonators or networks being of the cantilever type
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
94を形成してもよい。このような形状は、ベース部材90の第1面92aに形成した導電性樹脂ブロック392を、ダイシングブレードによって整形することによって得ることができる。
伝熱量=(熱伝導率×断面積/長さ)×(T1−T2) ・・・式1
さらに、基板保持部材の底部の断面寸法を大きい段状に加工することで、基板保持部材に除去加工工程および組立工程で発生する、基板保持部材の転倒の発生を低減できる。これにより、除去加工工程および組立工程を容易に実施にできる。特に、基板保持部材をベース部材90の表面に直接に接合して形成せず、別の形成した基板保持部材をベース部材90に配置するときは、組立の際に基板保持部材が転倒を防止でき、配置工程や加工工程が容易になる。さらに、基板保持部材をベース部材90も形成する場合にも、基板保持部材に切削加工するとき加工応力によって発生するに発基板保持部材を防止できる。
10 圧電振動素子
50 圧電振動子
60 加熱素子
62 電子部品
70 基板
80 リッド部材
90 ベース部材
94 基板保持部材
Claims (14)
- 圧電振動素子を含む圧電振動子と、
前記圧電振動素子を加熱する加熱素子と、
前記圧電振動素子と電気的に接続された電子部品と、
前記圧電振動子、前記加熱素子及び前記電子部品が搭載された基板と、
前記基板が基板保持部材を介して所定の間隔をあけて取り付けられたベース部材と
を備え、
前記基板保持部材が、導通部と、前記導通部を被覆する被覆部とを有し、
前記導通部が金属よりも低い熱伝導率を有する、圧電発振装置。 - 前記導通部が導電性樹脂材料からなる、請求項1記載の圧電発振装置。
- 前記導電性樹脂材料がエポキシ系導電性樹脂材料を含む、請求項2記載の圧電発振装置。
- 前記被覆部が前記導通部よりも低い熱伝導率を有する、請求項1から3のいずれか一項に記載の圧電発振装置。
- 前記基板保持部材が柱体である、請求項1から4のいずれか一項に記載の圧電発振装置。
- 前記電子部品は、前記圧電振動素子に電気的に接続されており、クロック信号の基準信号を生成する発振回路を含んでいる集積回路素子である、請求項1に記載の圧電発振装置。
- 前記柱体の平均断面幅に対する平均高さの比は、2以上である、請求項5記載の圧電発振装置。
- 前記柱体の平均断面幅に対する平均高さの比は、5以下である、請求項7記載の圧電発振装置。
- 前記柱体の平均断面幅に対する平均高さの比は、4以下である、請求項7記載の圧電発振装置。
- 前記圧電振動子及び前記基板を内部に収容するように前記ベース部材に取り付けられたリッド部材をさらに備えた、請求項1から9のいずれか一項に記載の圧電発振装置。
- (a)圧電振動素子を有する圧電振動子と、前記圧電振動素子を加熱する加熱素子と、
前記圧電振動素子と電気的に接続された電子部品とをそれぞれ基板に搭載すること、
(b)前記基板をベース部材上に保持するための基板保持部材を形成すること、及び、
(c)前記基板保持部材を介して所定の間隔をあけた前記基板を前記ベース部材に取り付けることを含み、
前記基板保持部材は導通部を含み、
前記導通部は金属よりも低い熱伝導率を有する導電性樹脂材料により構成され、
前記(b)が、
シートにペースト状の導電性樹脂材料を塗布し当該導電性樹脂材料を硬化して導電性樹脂ブロックを形成すること、
前記シート上において前記導電性樹脂ブロックを整形すること、
前記シート上において前記導電性樹脂ブロックを個片化して複数の前記基板保持部材を得ること、
前記シートから個々の前記基板保持部材を取り出すこと
を含む、圧電発振装置の製造方法。 - (a)圧電振動素子を有する圧電振動子と、前記圧電振動素子を加熱する加熱素子と、
前記圧電振動素子と電気的に接続された電子部品とをそれぞれ基板に搭載すること、
(b)前記基板をベース部材上に保持するための基板保持部材を形成すること、及び、
(c)前記基板保持部材を介して所定の間隔をあけた前記基板を前記ベース部材に取り付けることを含み、
前記基板保持部材は導通部を含み、
前記導通部は金属よりも低い熱伝導率を有する導電性樹脂材料により構成され、
前記(b)が、
前記ベース部材にペースト状の前記導電性樹脂材料を塗布し当該導電性樹脂材料を硬化して導電性樹脂ブロックを形成すること、及び、
前記ベース部材上において前記導電性樹脂ブロックを整形すること
を含む、圧電発振装置の製造方法。 - (a)圧電振動素子を有する圧電振動子と、前記圧電振動素子を加熱する加熱素子と、
前記圧電振動素子と電気的に接続された電子部品とをそれぞれ基板に搭載すること、
(b)前記基板をベース部材上に保持するための基板保持部材を形成すること、及び、
(c)前記基板保持部材を介して所定の間隔をあけた前記基板を前記ベース部材に取り付けることを含み、
前記基板保持部材は導通部を含み、
前記導通部は金属よりも低い熱伝導率を有する導電性樹脂材料により構成され、
前記(b)が、成型部材にペースト状の前記導電性樹脂材料を流し込み当該導電性樹脂材料を硬化することを含む、圧電発振装置の製造方法。 - 前記電子部品は、前記圧電振動素子に電気的に接続されており、クロック信号の基準信号を生成する発振回路を含んでいる集積回路素子である、請求項11に記載の圧電発振装置の製造方法。
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JP6662057B2 (ja) * | 2016-01-22 | 2020-03-11 | 株式会社大真空 | 圧電発振器 |
US20180131324A1 (en) * | 2016-08-15 | 2018-05-10 | Bliley Technologies, Inc. | High-Efficiency Ovenized Oscillator |
CN109690941B (zh) * | 2016-08-31 | 2023-02-28 | 株式会社村田制作所 | 压电振子 |
WO2018070221A1 (ja) * | 2016-10-11 | 2018-04-19 | 株式会社村田製作所 | 圧電振動子及びその製造方法 |
CN109743056B (zh) * | 2019-02-26 | 2024-06-11 | 泰斗微电子科技有限公司 | 卫星授时装置 |
US11929709B2 (en) | 2020-03-30 | 2024-03-12 | Daishinku Corporation | Oven-controlled crystal oscillator |
CN114556779A (zh) * | 2020-09-07 | 2022-05-27 | 株式会社大真空 | 恒温槽型压电振荡器 |
CN216751694U (zh) * | 2021-04-23 | 2022-06-14 | 华为技术有限公司 | 谐振器封装体和振荡器 |
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JP4855087B2 (ja) * | 2005-03-28 | 2012-01-18 | 日本電波工業株式会社 | 恒温型の水晶発振器 |
JP2007214739A (ja) * | 2006-02-08 | 2007-08-23 | Epson Toyocom Corp | 圧電発振器および電子機器 |
JP2007266828A (ja) * | 2006-03-28 | 2007-10-11 | Kyocera Kinseki Corp | 圧電デバイス |
US20090051447A1 (en) * | 2007-08-24 | 2009-02-26 | Mccracken Jeffrey A | Ovenized oscillator |
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JP2010183227A (ja) * | 2009-02-04 | 2010-08-19 | Epson Toyocom Corp | 恒温型圧電発振器 |
JP5747574B2 (ja) * | 2011-03-11 | 2015-07-15 | セイコーエプソン株式会社 | 圧電デバイス及び電子機器 |
JP6123979B2 (ja) * | 2012-05-23 | 2017-05-10 | セイコーエプソン株式会社 | 発振装置及び電子機器 |
JP5984526B2 (ja) * | 2012-06-20 | 2016-09-06 | 日本電波工業株式会社 | 表面実装型デバイス |
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JP2014197730A (ja) * | 2013-03-29 | 2014-10-16 | セイコーエプソン株式会社 | 振動デバイス、電子機器、移動体 |
JP6286884B2 (ja) * | 2013-06-13 | 2018-03-07 | セイコーエプソン株式会社 | 電子デバイス、電子機器、および移動体 |
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JP2015122607A (ja) * | 2013-12-24 | 2015-07-02 | セイコーエプソン株式会社 | 発振器、電子機器および移動体 |
JP6307869B2 (ja) * | 2013-12-24 | 2018-04-11 | セイコーエプソン株式会社 | 電子部品、恒温槽付水晶発振器、電子機器および移動体 |
JP2015186251A (ja) * | 2014-03-26 | 2015-10-22 | 日本電波工業株式会社 | 水晶発振器 |
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