JPH04128412U - Metal container for resistance welding and crystal oscillator using the same - Google Patents
Metal container for resistance welding and crystal oscillator using the sameInfo
- Publication number
- JPH04128412U JPH04128412U JP938091U JP938091U JPH04128412U JP H04128412 U JPH04128412 U JP H04128412U JP 938091 U JP938091 U JP 938091U JP 938091 U JP938091 U JP 938091U JP H04128412 U JPH04128412 U JP H04128412U
- Authority
- JP
- Japan
- Prior art keywords
- welding
- metal container
- protrusion
- base
- metal
- 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
Links
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 35
- 239000013078 crystal Substances 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
(57)【要約】
［目的］ 抵抗溶接時の金属屑の飛散を防止する金属容
器及びこれを用いた水晶振動子を提供する。
［構成］ ベースとカバーのフランジを当接して抵抗溶
接し、水晶片を密閉封入してなる金属容器において、前
記フランジの接合面に設けられた溶接用突起とは別個
に、ベース又はカバーの前記溶接用突起の内側部分に抵
抗溶接時における金属屑の飛散防止用突起を設けた構成
とする。
(57) [Summary] [Purpose] To provide a metal container that prevents metal debris from scattering during resistance welding, and a crystal resonator using the same. [Configuration] In a metal container in which flanges of a base and a cover are brought into contact and resistance welded, and a crystal piece is hermetically sealed, the welding protrusion provided on the joint surface of the flange is separate from the welding projection provided on the joint surface of the base or cover. The welding projection is provided with a projection on the inner side thereof to prevent metal chips from scattering during resistance welding.
Description
【００１】001
本考案は水晶振動子を利用分野とし、特に抵抗溶接用の金属容器に関する。 The present invention is applied to crystal oscillators, and particularly relates to metal containers for resistance welding.
【００２】002]
水晶振動子は共振特性に優れることから、種々の電子機器に周波数あるいは時 間の基準源として有用されている。近年では、小型化を計るとともに、通信事情 等により周波数偏差が一段と厳しく、より高度のものが望まれている。このよう な流れを阻害する一つに、金属容器の抵抗溶接時の金属屑による、等価抵抗や周 波数変動等の経年変化特性に悪影がある。 Because crystal resonators have excellent resonance characteristics, they can be used in various electronic devices to It is useful as a reference source between In recent years, along with miniaturization, communication conditions have improved. etc., the frequency deviation becomes even more severe, and a more sophisticated one is desired. like this One of the obstacles to the flow is the equivalent resistance and circumferential resistance caused by metal debris during resistance welding of metal containers. There is a negative impact on aging characteristics such as wave number fluctuations.
【００３】003
第６図及び第７図は従来例を説明する図である。なお、第６図は水晶振動子の 断面図、第７図は金属容器の要部拡大断面図である。 水晶振動子は金属容器１内に水晶片２を密閉封入して構成される。金属容器１ はリード線３の絶縁貫通したベース４とカバー５とからなり、両者のフランジ部 ６（ａｂ）を抵抗溶接して封止される。そして、通常では、抵抗溶接時の効率を 高めるため、ベース４の外周に溶接用突起７を設け、この部分を溶融して接合す る。水晶片２は例えば矩形状とし、両主面に励振電極８を有する。励振電極３か らは反対方向の両端外周に引出電極を延出する。そして、両端外周部をリード線 ３に接続たサポータ９により保持される。 FIG. 6 and FIG. 7 are diagrams explaining a conventional example. In addition, Figure 6 shows the crystal oscillator. The sectional view, FIG. 7, is an enlarged sectional view of the main part of the metal container. The crystal resonator is constructed by hermetically sealing a crystal piece 2 in a metal container 1. metal container 1 consists of a base 4 and a cover 5 through which the insulation of the lead wire 3 is passed, and the flange portion of both 6(ab) is resistance welded and sealed. Usually, the efficiency during resistance welding is In order to increase the height, a welding protrusion 7 is provided on the outer periphery of the base 4, and this part is melted and joined. Ru. The crystal piece 2 has a rectangular shape, for example, and has excitation electrodes 8 on both main surfaces. Excitation electrode 3? Extracting electrodes are extended to the outer periphery of both ends in opposite directions. Then connect the outer periphery of both ends to the lead wire. It is held by a supporter 9 connected to 3.
【０００４】0004
しかしながら、上記構成の水晶振動子では、金属容器１を抵抗溶接により形成 する際、溶接用突起７の溶融時に図示しない金属屑等（所謂スプラッシュ）が飛 散する。特に、金属屑等は溶接用突起７の先端であるカバー５との接合面から発 生する。そして、これらの金属屑が水晶片２の表面に付着し、封止後に振動特性 を劣化させる問題があった。 However, in the crystal resonator with the above configuration, the metal container 1 is formed by resistance welding. When welding the welding protrusion 7, metal scraps (not shown) may fly away when the welding protrusion 7 melts. Scatter. In particular, metal scraps are generated from the joint surface with the cover 5, which is the tip of the welding protrusion 7. live. These metal debris adhere to the surface of the crystal piece 2, and the vibration characteristics may deteriorate after sealing. There was a problem of deterioration.
【０００５】[0005]
本考案は、抵抗溶接時の金属屑の飛散を防止する金属容器及びこれを用いた水 晶振動子を提供することを目的とする。 The present invention is a metal container that prevents metal debris from scattering during resistance welding, and a water container using the same. The purpose is to provide crystal resonators.
【０００６】[0006]
本考案は、ベースとカバーのフランジの接合する面に設けられた溶接用突起と は別個に、溶接用突起の内側部分に抵抗溶接時における金属塵の飛散防止用突起 を形成したことを基本的な解決手段とする。以下、本考案の一実施例を説明する 。 This invention uses a welding protrusion provided on the joining surface of the base and cover flanges. Separately, there is a protrusion on the inside of the welding protrusion to prevent metal dust from scattering during resistance welding. The basic solution is to form a An embodiment of the present invention will be described below. .
【０００７】[0007]
第１図は本考案の一実施例を説明する、特に金属ベースの要部拡大断面図であ 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、前述同様に、溶接用突起７の設けられたベース４とカバー５と を抵抗溶接してなる金属容器１内に水晶片２を密閉封入して構成される（前第６ 図参照）。そして、この実施例では、カバー５のフランジの内側に周回する飛散 防止用突起１０を設ける。飛散防止用突起１０はプレス加工時に一体的に形成さ れ、その高さを溶接用突起７より小さくする。 このようなものでは、第２図に接合後の断面図を示したように、溶接用突起７ の溶融して接合されると同時に、飛散防止用突起１０がベース４のフランジ６ａ に衝突する。そして、金属屑等の内部への飛散通路を遮断する。したがって、金 属屑の容器内部への侵入を防止して水晶片２への付着を防止して振動特性を良好 とする。 FIG. 1 is an enlarged sectional view of the main part of the metal base, explaining one embodiment of the present invention. Ru. In addition, the same numbers are given to the same parts as in the previous conventional example diagram, and the explanation thereof will be simplified. As described above, the crystal resonator consists of a base 4 provided with welding protrusions 7 and a cover 5. It consists of a crystal piece 2 hermetically sealed in a metal container 1 made by resistance welding (previous No. 6 (see figure). In this embodiment, the scattering particles circulating inside the flange of the cover 5 A prevention protrusion 10 is provided. The scattering prevention protrusion 10 is integrally formed during press processing. and its height is made smaller than that of the welding protrusion 7. In such a case, as shown in the cross-sectional view after joining in Fig. 2, the welding protrusion 7 At the same time, the scattering prevention protrusion 10 is attached to the flange 6a of the base 4. collide with Then, the scattering path of metal debris and the like to the inside is blocked. Therefore, gold Prevents metal debris from entering the container and adhering to the crystal piece 2, improving vibration characteristics. shall be.
【０００８】[0008]
なお、本考案においては上記実施例以外にも次のような態様が考えられ、こ のようなものも包含されるものである。 すなわち、ベースの溶接用突起７の内 側に飛散防止用突起１０を設ける（第３図）。カバー５の開口端の内周側に飛散 防止用突起１０を形成し、ベース４の側壁に接近させる（第４図）。カバー５の 開口端に飛散防止用突起１０を形成し、ベース４の溶接用突起７の内周に設けた 溝１４内に挿入する（第５図）。 In addition to the above-mentioned embodiments, the following aspects of the present invention can be considered. This also includes things like. In other words, the inside of the welding protrusion 7 of the base A protrusion 10 for preventing scattering is provided on the side (Fig. 3). Scattered on the inner circumference of the open end of cover 5 A prevention protrusion 10 is formed and brought close to the side wall of the base 4 (FIG. 4). cover 5 A scattering prevention protrusion 10 is formed at the open end and provided on the inner periphery of the welding protrusion 7 of the base 4. Insert into groove 14 (FIG. 5).
【０００９】[0009]
本考案は、ベースとカバーのフランジの接合する面に設けられた溶接用突起 とは別個に、溶接用突起の内側部分に抵抗溶接時における金属塵の飛散防止用突 起を形成したので、抵抗溶接時の金属屑の飛散を防止する金属容器及びこれを用 いることにより振動特性を維持する水晶振動子を提供できる。 This invention is based on a welding protrusion provided on the joining surface of the base and cover flanges. Separately, there is a protrusion on the inside of the welding protrusion to prevent metal dust from scattering during resistance welding. Therefore, a metal container and its use to prevent metal debris from scattering during resistance welding are required. By doing so, it is possible to provide a crystal resonator that maintains its vibration characteristics.
【図１】本考案の一実施例を説明する水晶振動子中の特
に金属容器の要部拡大断面図である。FIG. 1 is an enlarged sectional view of a main part of a crystal resonator, particularly a metal container, explaining an embodiment of the present invention.
【図２】本考案の一実施例を説明する抵抗溶接後の金属
容器の要部拡大断面図である。FIG. 2 is an enlarged sectional view of a main part of a metal container after resistance welding, illustrating an embodiment of the present invention.
【図３】本考案の他の実施例を説明する水晶振動子中の
特に金属容器の要部拡大断面図である。FIG. 3 is an enlarged sectional view of a main part of a crystal resonator, particularly a metal container, explaining another embodiment of the present invention.
【図４】本考案の他の実施例を説明する水晶振動子中の
特に金属容器の要部拡大断面図である。FIG. 4 is an enlarged cross-sectional view of a main part of a crystal resonator, particularly a metal container, explaining another embodiment of the present invention.
【図５】本考案の他の実施例を説明する水晶振動子中の
特に金属容器の要部拡大断面図である。FIG. 5 is an enlarged sectional view of a main part of a crystal resonator, particularly a metal container, explaining another embodiment of the present invention.
【図６】従来例を説明する水晶振動子の断面図である。FIG. 6 is a cross-sectional view of a crystal resonator explaining a conventional example.
【図７】従来例を説明する水晶振動子中の特に金属容器
の要部拡大断面図である。FIG. 7 is an enlarged cross-sectional view of a main part, particularly a metal container, in a crystal resonator to explain a conventional example.
４ ベース ５ カバー ６（ａｂ） フランジ ７ 溶接用突起 １０ 飛散防止用突起 4 base 5 Cover 6(ab) Flange 7 Welding protrusion 10 Shatter prevention protrusion
Claims (3)
抗溶接し、水晶片を密閉封入してなる金属容器におい
て、前記フランジの接合面に設けられた溶接用突起とは
別個に、ベース又はカバーの前記溶接用突起の内側部分
に抵抗溶接時における金属塵の飛散防止用突起を形成し
たことを特徴とする抵抗溶接用金属ベース。Claim 1: In a metal container in which flanges of a base and a cover are brought into contact and resistance welded, and a crystal piece is hermetically sealed, the welding protrusion provided on the joint surface of the flange is separate from the base or the cover. A metal base for resistance welding, characterized in that a protrusion for preventing scattering of metal dust during resistance welding is formed on the inner side of the welding protrusion.
突起をカバーに形成してなる請求項１の抵抗溶接用金属
容器。2. The metal container for resistance welding according to claim 1, wherein the welding protrusion is used as a base and a scattering prevention protrusion is formed on the cover.
成したことを特徴とする水晶振動子。3. A crystal resonator constructed using the metal container according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP938091U JPH04128412U (en) | 1991-01-30 | 1991-01-30 | Metal container for resistance welding and crystal oscillator using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP938091U JPH04128412U (en) | 1991-01-30 | 1991-01-30 | Metal container for resistance welding and crystal oscillator using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04128412U true JPH04128412U (en) | 1992-11-24 |
Family
ID=31899851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP938091U Pending JPH04128412U (en) | 1991-01-30 | 1991-01-30 | Metal container for resistance welding and crystal oscillator using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04128412U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02257656A (en) * | 1989-03-30 | 1990-10-18 | Nippon Dempa Kogyo Co Ltd | Metal airtight container of electronic component |
-
1991
- 1991-01-30 JP JP938091U patent/JPH04128412U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02257656A (en) * | 1989-03-30 | 1990-10-18 | Nippon Dempa Kogyo Co Ltd | Metal airtight container of electronic component |
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