JP2000228618A - Crystal vibrator - Google Patents

Crystal vibrator

Info

Publication number
JP2000228618A
JP2000228618A JP11029459A JP2945999A JP2000228618A JP 2000228618 A JP2000228618 A JP 2000228618A JP 11029459 A JP11029459 A JP 11029459A JP 2945999 A JP2945999 A JP 2945999A JP 2000228618 A JP2000228618 A JP 2000228618A
Authority
JP
Japan
Prior art keywords
axis
crystal
extraction electrode
groove
wall
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.)
Pending
Application number
JP11029459A
Other languages
Japanese (ja)
Inventor
Nobuo Hiruma
宣夫 比留間
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nihon Dempa Kogyo Co Ltd
Original Assignee
Nihon Dempa Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nihon Dempa Kogyo Co Ltd filed Critical Nihon Dempa Kogyo Co Ltd
Priority to JP11029459A priority Critical patent/JP2000228618A/en
Publication of JP2000228618A publication Critical patent/JP2000228618A/en
Pending legal-status Critical Current

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Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PROBLEM TO BE SOLVED: To enhance the operability by ensuring the continuity of the lead electrode of a crystal vibrator whose both major sides have a recessed part. SOLUTION: A rectangular groove 2 having sides coincident with the X, Y' axes of crystal axes (X, Y', Z') is formed at the center of both major sides of the crystal vibrator, an exciting electrode is provided to the bottom face of the groove 2 and a lead electrode 5 is extended to the upper face of an outer circumferential wall frame 4 in the AT-cut crystal vibrator. The lead electrode is extended to the upper face of the circumferential wall frame via a wall face orthogonal to at least the X axis of the crystal axes (X, Y', Z').

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は中央部に矩形状の溝
を設けた水晶振動子を産業上の技術分野とし、特に引出
電極の延出方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quartz resonator provided with a rectangular groove in the center thereof as an industrial technical field, and more particularly to a method for extending an extraction electrode.

【0002】[0002]

【従来の技術】(発明の背景)水晶振動子は周波数安定
度に優れることから、各種の通信機器を含む電子機器に
周波数及び時間の基準源として広く使用されている。近
年では、水晶片(水晶振動子)の中央部に溝を設けて振
動部を薄くし、高周波数化(例えば600MHz帯、厚
み約3μ以下)に対応したものが考えられている(参
照:特開昭61−3514号公報)。
2. Description of the Related Art (Background of the Invention) Quartz oscillators are widely used as frequency and time reference sources in electronic devices including various communication devices because of their excellent frequency stability. In recent years, it has been considered to provide a groove in the center of a crystal blank (quartz oscillator) to make the vibrating portion thinner to cope with a higher frequency (for example, a 600 MHz band, and a thickness of about 3 μ or less) (see Special Features). JP-A-61-3514).

【0003】(従来技術の説明)第5図及び第6図はこ
のような技術を説明する水晶振動子の図である。水晶振
動子は結晶軸(XYZ)のX軸を中心として、主面がY
軸からZ軸方向に約35゜15’回転したATカットの
水晶片1からなる。なお、回転した新たな軸をY’軸及
びZ’軸と称している。水晶片1は例えばZ’軸方向に
長い矩形状に形成され、中央部にはエッチングにより両
主面側から溝2を設けられる。エッチングは水晶片1の
外周部をマスクして例えばフッ酸液中にて処理される。
溝2は水晶片1の外形と同様にZ’方向に長い矩形状と
する。そして、溝2の底面に励振電極3を形成し、Z’
軸方向となる外周枠壁4の上面に引出電極5を延出す
る。励振電極3及び引出電極5は蒸着により同時に形成
される。そして、水晶片1の外周枠壁4の両端部を例え
ばセラミック容器の底面に導電性接着剤により固着して
構成する(未図示)。
(Description of the Prior Art) FIGS. 5 and 6 are views of a quartz oscillator for explaining such a technique. The main surface of the crystal unit is Y-axis around the X-axis of the crystal axis (XYZ).
It consists of an AT-cut crystal blank 1 rotated about 35 15 'from the axis in the Z-axis direction. The rotated new axes are referred to as the Y 'axis and the Z' axis. The crystal blank 1 is formed in, for example, a rectangular shape that is long in the Z′-axis direction, and a groove 2 is provided at the center from both main surfaces by etching. Etching is performed, for example, in a hydrofluoric acid solution using the outer peripheral portion of the crystal blank 1 as a mask.
The groove 2 has a rectangular shape long in the Z ′ direction, similarly to the outer shape of the crystal blank 1. Then, an excitation electrode 3 is formed on the bottom surface of the groove 2 and Z ′
The extraction electrode 5 extends on the upper surface of the outer peripheral frame wall 4 in the axial direction. The excitation electrode 3 and the extraction electrode 5 are formed simultaneously by vapor deposition. Then, both ends of the outer peripheral frame wall 4 of the crystal blank 1 are fixed to, for example, the bottom surface of the ceramic container with a conductive adhesive (not shown).

【0004】[0004]

【発明が解決しようとする課題】(従来技術の問題点)
しかしながら、上記構成の水晶振動子では、結晶軸の方
向によってエッチング速度が異なる。この場合は、第7
図に示したように、一方の主面では溝2の左側が傾斜面
となって右側が食込面となり、他方の主面は一方の主面
に対して回転対称面(斜対称面)となる「参照:1993 I
EE INTERNATIONAL FREQENCY CONTROL SYMPOSIUM P399〜
406」。
[Problems to be Solved by the Invention]
However, in the crystal resonator having the above configuration, the etching rate varies depending on the direction of the crystal axis. In this case, the seventh
As shown in the figure, on one main surface, the left side of the groove 2 is an inclined surface and the right side is a biting surface, and the other main surface is a rotationally symmetric surface (oblique symmetric surface) with respect to the one main surface. See “Ref: 1993 I
EE INTERNATIONAL FREQENCY CONTROL SYMPOSIUM P399〜
406 ".

【0005】したがって、両主面に形成した励振電極3
の両端側から外周枠壁4の上面に引出電極5を延出させ
た場合、両主面の傾斜面側(斜対称傾斜面側)では引出
電極5は導通を維持する(第8図)。しかし、両主面の
食込面側(斜対称食込面側)では引出電極5は断線する
(第9図)。このことから、引出電極5の電極形成時に
は両主面を確認しなければならず、作業性が悪い問題が
あった。
Therefore, the excitation electrodes 3 formed on both main surfaces
When the extraction electrode 5 is extended from both ends to the upper surface of the outer peripheral frame wall 4, the extraction electrode 5 maintains conduction on the inclined surfaces (obliquely symmetric inclined surfaces) of both main surfaces (FIG. 8). However, the extraction electrode 5 is disconnected at the biting surface side (the obliquely symmetric biting surface side) of both main surfaces (FIG. 9). For this reason, at the time of forming the extraction electrode 5, both main surfaces must be confirmed, and there has been a problem that workability is poor.

【0006】(発明の目的)本発明は引出電極の導通を
確実にして作業性を向上した水晶振動子を提供すること
を目的とする。
(Object of the Invention) It is an object of the present invention to provide a crystal resonator having improved workability by ensuring conduction of the extraction electrode.

【0007】[0007]

【課題を解決するための手段】本発明は、X軸に直交す
る壁面はいずれも傾斜面となることを確認し、X軸に直
交する壁面を経て外周枠壁4の上面に引出電極5を延出
したことを基本的な解決手段とする。
According to the present invention, it is confirmed that all the wall surfaces orthogonal to the X axis are inclined surfaces, and the extraction electrode 5 is mounted on the upper surface of the outer peripheral frame wall 4 via the wall surface orthogonal to the X axis. The extension is the basic solution.

【0008】[0008]

【作用】このようなものでは、引出電極5は傾斜面に形
成されるので、断線することがない。
In such a case, since the extraction electrode 5 is formed on the inclined surface, there is no disconnection.

【0009】[0009]

【実施例】第1図は本発明の一実施例を説明する水晶振
動子の図である。なお、前従来例図と同一部分には同番
号を付与してその説明は簡略する。水晶振動子は、前述
したようにATカットとしてZ’軸方向に長い矩形状の
水晶片1からなり、フッ酸溶液中でのエッチングによ
り、両主面の中央部に各辺をX及びY’軸とした溝2が
形成される。Y’軸方向での溝2の壁面は前述のように
傾斜面と食込面として、両主面間で斜対称となる。これ
に対し、X軸方向での壁面は、第2図に示したようにい
ずれも傾斜面として両主面間で斜対称面となった。この
例では、傾斜面は+X軸側では60度となり、−X軸側
では30度となった。
FIG. 1 is a view of a crystal unit for explaining an embodiment of the present invention. The same parts as those in the prior art are denoted by the same reference numerals, and description thereof will be simplified. As described above, the crystal unit is formed of a rectangular crystal piece 1 that is long in the Z′-axis direction as an AT cut, and is etched in a hydrofluoric acid solution so that each side is X and Y ′ at the center of both main surfaces. A groove 2 having an axis is formed. As described above, the wall surface of the groove 2 in the Y'-axis direction has an inclined surface and a biting surface, and is obliquely symmetric between the two main surfaces. On the other hand, the wall surfaces in the X-axis direction were both inclined surfaces and were obliquely symmetric between the main surfaces as shown in FIG. In this example, the inclined surface was 60 degrees on the + X axis side and 30 degrees on the -X axis side.

【0010】このことから、この実施例では、X軸方向
に直交する互いに反対方向の壁面に向かって励振電極3
から引出電極5を延出する。そして、枠壁側面を這い上
がって枠壁上面に到達させ、例えば両端部に引出電極5
を延出する。
For this reason, in this embodiment, the excitation electrode 3 is directed toward the opposite wall surfaces orthogonal to the X-axis direction.
The extraction electrode 5 is extended from. Then, the side surface of the frame wall is crawled up to reach the upper surface of the frame wall.
To extend.

【0011】このようなものでは、引出電極5をX軸方
向の壁面に延出するので、蒸着時の断線を防止して導通
を確実にする。したがって、電極形成時には両主面のい
ずれでもよく、表裏の方向性がないので作業性を向上す
る。
In such a case, since the extraction electrode 5 extends to the wall surface in the X-axis direction, disconnection at the time of vapor deposition is prevented and conduction is ensured. Therefore, at the time of forming the electrode, either of the main surfaces may be used, and there is no direction of the front and back, so that the workability is improved.

【0012】[0012]

【他の事項】上記実施例では、引出電極5は反対方向の
壁面に延出したが、同方向の両側でもよい(第3図)。
また、引出電極5はいずれかの壁面に線的に延出した
が、いずれの壁面にも面的に延出してもよい(第4
図)。また、引出電極5の最終的な延出位置は、実施例
で示した両端部でも、あるいは枠壁上面を利用して一端
部に延出してもよく、これらは一端保持あるいは両端保
持等の保持方法によって適宜変更できる。
[Other Matters] In the above embodiment, the extraction electrode 5 extends on the wall surface in the opposite direction, but may be on both sides in the same direction (FIG. 3).
In addition, the extraction electrode 5 linearly extends to any of the wall surfaces, but may also extend to any of the wall surfaces (fourth).
Figure). The final extension position of the extraction electrode 5 may be at both ends shown in the embodiment, or may be extended to one end using the upper surface of the frame wall, and these may be held at one end or at both ends. It can be appropriately changed depending on the method.

【0013】また、Z’軸方向に長い矩形状の水晶片1
を例として説明したが、例えば円板状、楕円状あるいは
X軸方向に長い矩形状の水晶片1であってもよく、要は
一辺をX軸、他辺をZ’軸とした矩形状の溝2を両主面
に有する水晶片1であれば適用できる。
Further, a rectangular crystal piece 1 long in the Z'-axis direction is provided.
However, for example, it may be a disc-shaped, elliptical or rectangular crystal piece 1 that is long in the X-axis direction. In short, a rectangular crystal piece having one side as the X-axis and the other side as the Z′-axis may be used. Any crystal blank 1 having grooves 2 on both main surfaces can be applied.

【発明の効果】本発明は、X軸に直交する壁面を経て外
周枠壁の上面に引出電極を延出したので、引出電極の導
通を確実にして作業性を向上した水晶振動子を提供でき
る。
According to the present invention, since the extraction electrode extends to the upper surface of the outer peripheral frame wall via the wall surface orthogonal to the X-axis, it is possible to provide a crystal resonator in which the conduction of the extraction electrode is ensured and the workability is improved. .

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を説明する水晶振動子の平面
図である。
FIG. 1 is a plan view of a crystal unit according to an embodiment of the present invention.

【図2】本発明の一実施例を説明する水晶振動子の断面
図である。
FIG. 2 is a cross-sectional view of a crystal unit explaining one embodiment of the present invention.

【図3】本発明の他の実施例を説明する水晶振動子の平
面図である。
FIG. 3 is a plan view of a crystal unit for explaining another embodiment of the present invention.

【図4】本発明の他の実施例を説明する水晶振動子の平
面図である。
FIG. 4 is a plan view of a crystal unit for explaining another embodiment of the present invention.

【図5】従来例を説明するATカット水晶振動子の切断
方位図である。
FIG. 5 is a cutting azimuth diagram of an AT-cut quartz crystal unit for explaining a conventional example.

【図6】従来例を説明する水晶振動子の図である。FIG. 6 is a view of a quartz oscillator for explaining a conventional example.

【図7】従来例を説明する水晶振動子の断面図である。FIG. 7 is a cross-sectional view of a crystal unit illustrating a conventional example.

【図8】従来例を説明する水晶振動子の断面図である。FIG. 8 is a cross-sectional view of a crystal unit illustrating a conventional example.

【図9】従来例を説明する水晶振動子の断面図である。FIG. 9 is a cross-sectional view of a crystal unit illustrating a conventional example.

【符号の説明】[Explanation of symbols]

1 水晶片、2 溝、3 励振電極、4 外周枠壁 5
引出電極.
1 crystal blank, 2 groove, 3 excitation electrode, 4 outer frame wall 5
Extraction electrode.

─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成11年2月25日(1999.2.2
5)
[Submission date] February 25, 1999 (1999.2.2
5)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】図面[Document name to be amended] Drawing

【補正対象項目名】全図[Correction target item name] All figures

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【図1】 FIG.

【図2】 FIG. 2

【図3】 FIG. 3

【図4】 FIG. 4

【図5】 FIG. 5

【図6】 FIG. 6

【図7】 FIG. 7

【図8】 FIG. 8

【図9】 ─────────────────────────────────────────────────────
FIG. 9 ────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成11年5月18日(1999.5.1
8)
[Submission date] May 18, 1999 (1999.5.1
8)

【手続補正1】[Procedure amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】全文[Correction target item name] Full text

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【書類名】 明細書[Document Name] Statement

【発明の名称】 水晶振動子[Title of the Invention] Quartz resonator

【特許請求の範囲】[Claims]

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は中央部に矩形状の溝
を設けた水晶振動子を産業上の技術分野とし、特に引出
電極の延出方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quartz resonator provided with a rectangular groove in the center thereof as an industrial technical field, and more particularly to a method for extending an extraction electrode.

【0002】[0002]

【従来の技術】(発明の背景)水晶振動子は周波数安定
度に優れることから、各種の通信機器を含む電子機器に
周波数及び時間の基準源として広く使用されている。近
年では、水晶片(水晶振動子)の中央部に溝を設けて振
動部を薄くし、高周波数化(例えば600MHz帯、厚
み約3μ以下)に対応したものが考えられている(参
照:特開昭61−3514号公報)。
2. Description of the Related Art (Background of the Invention) Quartz oscillators are widely used as frequency and time reference sources in electronic devices including various communication devices because of their excellent frequency stability. In recent years, it has been considered to provide a groove in the center of a crystal blank (quartz oscillator) to make the vibrating portion thinner to cope with a higher frequency (for example, a 600 MHz band, and a thickness of about 3 μ or less) (see Special Features). JP-A-61-3514).

【0003】(従来技術の説明)第5図及び第6図はこ
のような技術を説明する水晶振動子の図である。水晶振
動子は結晶軸(XYZ)のX軸を中心として、主面がY
軸からZ軸方向に約35゜15’回転したATカットの
水晶片1からなる。なお、回転した新たな軸をY’軸及
びZ’軸と称している。水晶片1は例えばZ’軸方向に
長い矩形状に形成され、中央部にはエッチングにより両
主面側から溝2が設けられる。エッチングは水晶片1の
外周部をマスクして例えばフッ酸液中にて処理される。
溝2は水晶片1の外形と同様にZ’方向に長い矩形状と
する。そして、溝2の底面に励振電極3を形成し、Z’
軸方向となる外周枠壁4の上面に引出電極5を延出す
る。励振電極3及び引出電極5は蒸着により同時に形成
される。そして、水晶片1の外周枠壁4の両端部を例え
ばセラミック容器の底面に導電性接着剤により固着して
構成する(未図示)。
(Description of the Prior Art) FIGS. 5 and 6 are views of a quartz oscillator for explaining such a technique. The main surface of the crystal unit is Y-axis around the X-axis of the crystal axis (XYZ).
It consists of an AT-cut crystal blank 1 rotated about 35 ° 15 ′ from the axis in the Z-axis direction. The rotated new axes are referred to as the Y 'axis and the Z' axis. The crystal blank 1 is formed in a rectangular shape that is long in the Z′-axis direction, for example, and a groove 2 is provided at the center from both main surfaces by etching. Etching is performed, for example, in a hydrofluoric acid solution using the outer peripheral portion of the crystal blank 1 as a mask.
The groove 2 has a rectangular shape long in the Z ′ direction, similarly to the outer shape of the crystal blank 1. Then, an excitation electrode 3 is formed on the bottom surface of the groove 2 and Z ′
The extraction electrode 5 extends on the upper surface of the outer peripheral frame wall 4 in the axial direction. The excitation electrode 3 and the extraction electrode 5 are formed simultaneously by vapor deposition. Then, both ends of the outer peripheral frame wall 4 of the crystal blank 1 are fixed to, for example, the bottom surface of the ceramic container with a conductive adhesive (not shown).

【0004】[0004]

【発明が解決しようとする課題】(従来技術の問題点)
しかしながら、上記構成の水晶振動子では、結晶軸の方
向によってエッチング速度が異なる。この場合は、第7
図に示したように、一方の主面では溝2の左側が傾斜面
となって右側が食込面となり、他方の主面は一方の主面
に対して回転対称面(斜対称面)となる「参照:1993 I
EE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM P397
〜406」。
[Problems to be Solved by the Invention]
However, in the crystal resonator having the above configuration, the etching rate varies depending on the direction of the crystal axis. In this case, the seventh
As shown in the figure, on one main surface, the left side of the groove 2 is an inclined surface and the right side is a biting surface, and the other main surface is a rotationally symmetric surface (oblique symmetric surface) with respect to the one main surface. See “Ref: 1993 I
EE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM P397
~ 406 ".

【0005】したがって、両主面に形成した励振電極3
の両端側から外周枠壁4の上面に引出電極5を延出させ
た場合、両主面の傾斜面側(斜対称傾斜面側)では引出
電極5は導通を維持する(第8図)。しかし、両主面の
食込面側(斜対称食込面側)では引出電極5は断線する
(第9図)。このことから、引出電極5の電極形成時に
は両主面を確認しなければならず、作業性が悪い問題が
あった。
Therefore, the excitation electrodes 3 formed on both main surfaces
When the extraction electrode 5 is extended from both ends to the upper surface of the outer peripheral frame wall 4, the extraction electrode 5 maintains conduction on the inclined surfaces (obliquely symmetric inclined surfaces) of both main surfaces (FIG. 8). However, the extraction electrode 5 is disconnected at the biting surface side (the obliquely symmetric biting surface side) of both main surfaces (FIG. 9). For this reason, at the time of forming the extraction electrode 5, both main surfaces must be confirmed, and there has been a problem that workability is poor.

【0006】(発明の目的)本発明は引出電極の導通を
確実にして作業性を向上した水晶振動子を提供すること
を目的とする。
(Object of the Invention) It is an object of the present invention to provide a crystal resonator having improved workability by ensuring conduction of the extraction electrode.

【0007】[0007]

【課題を解決するための手段】本発明は、X軸に直交す
る壁面はいずれも傾斜面となることを確認し、X軸に直
交する壁面を経て外周枠壁4の上面に引出電極5を延出
したことを基本的な解決手段とする。
According to the present invention, it is confirmed that all the wall surfaces orthogonal to the X axis are inclined surfaces, and the extraction electrode 5 is mounted on the upper surface of the outer peripheral frame wall 4 via the wall surface orthogonal to the X axis. The extension is the basic solution.

【0008】[0008]

【作用】このようなものでは、引出電極5は傾斜面に形
成されるので、断線することがない。
In such a case, since the extraction electrode 5 is formed on the inclined surface, there is no disconnection.

【0009】[0009]

【実施例】第1図は本発明の一実施例を説明する水晶振
動子の図である。なお、前従来例図と同一部分には同番
号を付与してその説明は簡略する。水晶振動子は、前述
したようにATカットとしてZ’軸方向に長い矩形状の
水晶片1からなり、フッ酸溶液中でのエッチングによ
り、両主面の中央部に各辺をX及びY’軸とした溝2が
形成される。Y’軸方向での溝2の壁面は前述のように
傾斜面と食込面として、両主面間で斜対称となる。これ
に対し、X軸方向での壁面は、第2図に示したようにい
ずれも傾斜面として両主面間で斜対称面となった。この
例では、傾斜面は+X軸側では60度となり、−X軸側
では30度となった。
FIG. 1 is a view of a crystal unit for explaining an embodiment of the present invention. The same parts as those in the prior art are denoted by the same reference numerals, and description thereof will be simplified. As described above, the crystal unit is formed of a rectangular crystal piece 1 that is long in the Z′-axis direction as an AT cut, and is etched in a hydrofluoric acid solution so that each side is X and Y ′ at the center of both main surfaces. A groove 2 having an axis is formed. As described above, the wall surface of the groove 2 in the Y'-axis direction has an inclined surface and a biting surface, and is obliquely symmetric between the two main surfaces. On the other hand, as shown in FIG. 2, the wall surfaces in the X-axis direction were both inclined surfaces and were obliquely symmetric between the two main surfaces. In this example, the inclined surface was 60 degrees on the + X axis side and 30 degrees on the -X axis side.

【0010】このことから、この実施例では、X軸方向
に直交する互いに反対方向の壁面に向かって励振電極3
から引出電極5を延出する。そして、枠壁側面を這い上
がって枠壁上面に到達させ、例えば両端部に引出電極5
を延出する。
For this reason, in this embodiment, the excitation electrode 3 is directed toward the opposite wall surfaces orthogonal to the X-axis direction.
The extraction electrode 5 is extended from. Then, the side surface of the frame wall is crawled up to reach the upper surface of the frame wall.
To extend.

【0011】このようなものでは、引出電極5をX軸方
向の壁面に延出するので、蒸着時の断線を防止して導通
を確実にする。したがって、電極形成時には両主面のい
ずれでもよく、表裏の方向性がないので作業性を向上す
る。
In such a case, since the extraction electrode 5 extends to the wall surface in the X-axis direction, disconnection at the time of vapor deposition is prevented and conduction is ensured. Therefore, at the time of forming the electrode, either of the main surfaces may be used, and there is no direction of the front and back, so that the workability is improved.

【0012】[0012]

【他の事項】上記実施例では、引出電極5は反対方向の
壁面に延出したが、同方向の両側でもよい(第3図)。
また、引出電極5はいずれかの壁面に線的に延出した
が、いずれの壁面にも面的に延出してもよい(第4
図)。また、引出電極5の最終的な延出位置は、実施例
で示した両端部でも、あるいは枠壁上面を利用して一端
部に延出してもよく、これらは一端保持あるいは両端保
持等の保持方法によって適宜変更できる。
[Other Matters] In the above embodiment, the extraction electrode 5 extends on the wall surface in the opposite direction, but may be on both sides in the same direction (FIG. 3).
In addition, the extraction electrode 5 linearly extends to any of the wall surfaces, but may also extend to any of the wall surfaces (fourth).
Figure). The final extension position of the extraction electrode 5 may be at both ends shown in the embodiment, or may be extended to one end using the upper surface of the frame wall, and these may be held at one end or at both ends. It can be appropriately changed depending on the method.

【0013】また、Z’軸方向に長い矩形状の水晶片1
を例として説明したが、例えば円板状、楕円状あるいは
X軸方向に長い矩形状の水晶片1であってもよく、要は
一辺をX軸、他辺をZ’軸とした矩形状の溝2を両主面
に有する水晶片1であれば適用できる。
Further, a rectangular crystal piece 1 long in the Z'-axis direction is provided.
However, for example, it may be a disc-shaped, elliptical or rectangular crystal piece 1 that is long in the X-axis direction. In short, a rectangular crystal piece having one side as the X-axis and the other side as the Z′-axis may be used. Any crystal blank 1 having grooves 2 on both main surfaces can be applied.

【発明の効果】本発明は、X軸に直交する壁面を経て外
周枠壁の上面に引出電極を延出したので、引出電極の導
通を確実にして作業性を向上した水晶振動子を提供でき
る。
According to the present invention, since the extraction electrode extends to the upper surface of the outer peripheral frame wall via the wall surface orthogonal to the X-axis, it is possible to provide a crystal resonator in which the conduction of the extraction electrode is ensured and the workability is improved. .

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を説明する水晶振動子の平面
図である。
FIG. 1 is a plan view of a crystal unit according to an embodiment of the present invention.

【図2】本発明の一実施例を説明する水晶振動子の断面
図である。
FIG. 2 is a cross-sectional view of a crystal unit explaining one embodiment of the present invention.

【図3】本発明の他の実施例を説明する水晶振動子の平
面図である。
FIG. 3 is a plan view of a crystal unit for explaining another embodiment of the present invention.

【図4】本発明の他の実施例を説明する水晶振動子の平
面図である。
FIG. 4 is a plan view of a crystal unit for explaining another embodiment of the present invention.

【図5】従来例を説明するATカット水晶振動子の切断
方位図である。
FIG. 5 is a cutting azimuth diagram of an AT-cut quartz crystal unit for explaining a conventional example.

【図6】従来例を説明する水晶振動子の図である。FIG. 6 is a view of a quartz oscillator for explaining a conventional example.

【図7】従来例を説明する水晶振動子の断面図である。FIG. 7 is a cross-sectional view of a crystal unit illustrating a conventional example.

【図8】従来例を説明する水晶振動子の断面図である。FIG. 8 is a cross-sectional view of a crystal unit illustrating a conventional example.

【図9】従来例を説明する水晶振動子の断面図である。FIG. 9 is a cross-sectional view of a crystal unit illustrating a conventional example.

【符号の説明】 1 水晶片、2 溝、3 励振電極、4 外周枠壁 5
引出電極.
[Description of Signs] 1 crystal blank, 2 grooves, 3 excitation electrodes, 4 outer peripheral frame wall 5
Extraction electrode.

【手続補正2】[Procedure amendment 2]

【補正対象書類名】図面[Document name to be amended] Drawing

【補正対象項目名】全図[Correction target item name] All figures

【補正方法】変更[Correction method] Change

【補正内容】[Correction contents]

【図1】 FIG.

【図2】 FIG. 2

【図3】 FIG. 3

【図4】 FIG. 4

【図5】 FIG. 5

【図6】 FIG. 6

【図7】 FIG. 7

【図8】 FIG. 8

【図9】 FIG. 9

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】両主面の中央部に結晶軸(XY’Z’)の
X軸及びY’軸を各辺とした矩形状の溝を形成し、前記
溝の底面に励振電極を設けて引出電極を外周壁枠の上面
に延出したATカットの水晶振動子において、前記引出
電極は結晶軸(XY’Z’)の少なくともX軸に直交す
る壁面を経て前記外周壁枠の上面に延出したことを特徴
とする水晶振動子。
1. A rectangular groove having the X-axis and the Y'-axis of a crystal axis (XY'Z ') at each side in the center of both main surfaces, and an excitation electrode is provided on the bottom surface of the groove. In an AT-cut crystal resonator in which an extraction electrode extends on the upper surface of the outer peripheral wall frame, the extraction electrode extends on the upper surface of the outer peripheral wall frame via at least a wall surface orthogonal to the X axis of the crystal axis (XY'Z '). A quartz oscillator characterized by being put out.
JP11029459A 1999-02-08 1999-02-08 Crystal vibrator Pending JP2000228618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11029459A JP2000228618A (en) 1999-02-08 1999-02-08 Crystal vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11029459A JP2000228618A (en) 1999-02-08 1999-02-08 Crystal vibrator

Publications (1)

Publication Number Publication Date
JP2000228618A true JP2000228618A (en) 2000-08-15

Family

ID=12276697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11029459A Pending JP2000228618A (en) 1999-02-08 1999-02-08 Crystal vibrator

Country Status (1)

Country Link
JP (1) JP2000228618A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006013647A (en) * 2004-06-23 2006-01-12 Nippon Dempa Kogyo Co Ltd Surface-mounting quartz resonator
JP2009135856A (en) * 2007-12-03 2009-06-18 Epson Toyocom Corp Crystal vibrating reed and method of manufacturing crystal vibrating reed
JP2009164824A (en) * 2007-12-28 2009-07-23 Epson Toyocom Corp Quartz crystal resonator element, quartz crystal device, and method for producing quartz the crystal resonator element
JP2011045112A (en) * 2010-10-01 2011-03-03 Epson Toyocom Corp At-cut crystal resonator element, at-cut crystal resonator, and at-cut crystal oscillator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006013647A (en) * 2004-06-23 2006-01-12 Nippon Dempa Kogyo Co Ltd Surface-mounting quartz resonator
JP4652728B2 (en) * 2004-06-23 2011-03-16 日本電波工業株式会社 Surface mount crystal unit
JP2009135856A (en) * 2007-12-03 2009-06-18 Epson Toyocom Corp Crystal vibrating reed and method of manufacturing crystal vibrating reed
JP2009164824A (en) * 2007-12-28 2009-07-23 Epson Toyocom Corp Quartz crystal resonator element, quartz crystal device, and method for producing quartz the crystal resonator element
JP4600692B2 (en) * 2007-12-28 2010-12-15 エプソントヨコム株式会社 Quartz crystal resonator element, crystal device, and crystal resonator element manufacturing method
JP2011045112A (en) * 2010-10-01 2011-03-03 Epson Toyocom Corp At-cut crystal resonator element, at-cut crystal resonator, and at-cut crystal oscillator

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