JPH03165006A - Manufacture of glass-sealed thermistor - Google Patents

Manufacture of glass-sealed thermistor

Info

Publication number
JPH03165006A
JPH03165006A JP30541089A JP30541089A JPH03165006A JP H03165006 A JPH03165006 A JP H03165006A JP 30541089 A JP30541089 A JP 30541089A JP 30541089 A JP30541089 A JP 30541089A JP H03165006 A JPH03165006 A JP H03165006A
Authority
JP
Japan
Prior art keywords
lead
glass
thermistor element
thermistor
frame
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
JP30541089A
Other languages
Japanese (ja)
Inventor
Masahiko Ajiyama
味山 雅彦
Takashi Tamai
玉井 孝
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP30541089A priority Critical patent/JPH03165006A/en
Publication of JPH03165006A publication Critical patent/JPH03165006A/en
Pending legal-status Critical Current

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  • Thermistors And Varistors (AREA)

Abstract

PURPOSE:To facilitate the connection of lead wires and to facilitate the positioning of glass by using tubular glass by electrically connecting two lead parts of a frame lead to the electrode surface of a planer thermistor element having divided two electrodes on one surface, and thereafter sealing the thermistor element with the glass in an airtight pattern. CONSTITUTION:Lead parts 16 and 17 of a frame lead 14 comprising Nickel- plated iron-nickel alloy are connected to both electrodes 12 and 13 which are formed on one surface of a thermistor element 11 by parallel gap welding. Then, tubular glass 18 is mounted so as to cover the thermistor element 11 and the tip parts of the lead parts 16 and 17. The tubular glass 18 is overheated and fused in an electric furnace. The tubular glass 18 is welded to the thermistor element 11 and the tip parts of the lead parts 16 and 17. The thermistor element 11 is sealed with the welded glass 18a in a airtight pattern. The electrodes 12 and 13 are formed on one surface of the thermistor element 11 in this way. Therefore, the connecting work can be performed readily. Furthermore, the position relationship between the lead parts 16 and 17 is fixed to a frame part 15 and is not deviated by any causes. The separation of the thermistor element 11 seldom occurs.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は家電機器、住設機器、自動車機器などの温度セ
ンサとして用いられ、特に高耐熱性が要求される分野に
有用なガラス封止形サーミスタの製造方法に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a glass-sealed thermistor which is used as a temperature sensor for home appliances, housing equipment, automobile equipment, etc., and is particularly useful in fields where high heat resistance is required. This relates to a manufacturing method.

従来の技術 従来、この種のガラス封止形サーミスタは第2図に示す
ような製造方法で製作されているものであった。第2図
において、1は対向する両面に電極2.3を形成したサ
ーミスタ素体であり、リード線4.6の先端部を前記両
面電極2.3に同方向から接続した後、あらかじめキャ
ップ状に加工したガラス6を加熱溶融させ、前記サーミ
スタ素体1及び前記リード線4.6の接続部分を含む先
端部に前記ガラス6を溶着させ、前記サーミスタ素体1
を溶着されたガラス6Nで気密封止した製造方法であっ
た。
2. Description of the Related Art Conventionally, this type of glass-sealed thermistor has been manufactured by a manufacturing method as shown in FIG. In FIG. 2, reference numeral 1 denotes a thermistor element having electrodes 2.3 formed on opposite surfaces, and after connecting the tip of a lead wire 4.6 to the double-sided electrodes 2.3 from the same direction, The processed glass 6 is heated and melted, and the glass 6 is welded to the tip portion including the thermistor element body 1 and the connection portion of the lead wire 4.6, and the thermistor element body 1 is melted.
This was a manufacturing method in which the glass was hermetically sealed with 6N welded glass.

発明が解決しようとする課題 このような従来の製造方法では、以下に示すよう表問題
があった。
Problems to be Solved by the Invention In such conventional manufacturing methods, there are table problems as shown below.

(1)サーミスタ素体とリード線を接続する際、2本の
リード線をサーミスタ素体の両面から個別に接続し々け
ればならず、かつリード線の剥離強度が弱いため、リー
ド線接続工程が繁雑となり、さらにリード線の剥離不良
が多発し、生産性向上の大きな問題となっていた。
(1) When connecting the thermistor element and lead wire, the two lead wires must be connected individually from both sides of the thermistor element, and the peel strength of the lead wire is weak, so the lead wire connection process The process became complicated, and the lead wires often failed to peel off, creating a major problem in improving productivity.

(2)サーミスタ素体に2本のリード線が平行に取付け
られていたため、ガラスセットにおいて管ガラスを用い
るとガラスの正確な位置決めができなかった。よって、
管ガラスをあらかじめキャップ状に熱加工し、サーミス
タ素体にかぶせるだけで正確な位置決めができるように
することを必要としていた。
(2) Since two lead wires were attached to the thermistor body in parallel, accurate positioning of the glass was not possible when a tube glass was used in a glass set. Therefore,
It was necessary to heat-process the tube glass into a cap shape in advance so that accurate positioning could be achieved simply by placing it over the thermistor element.

本発明はこのような問題点を解決するもので、容易にサ
ーミスタ素体とリード線が接続でき、かつ管ガラスを用
いても容易にガラスの位置決めができるガラス封、止形
サーミスタの製造方法を提供することを目的とするもの
である。
The present invention is intended to solve these problems, and provides a method for manufacturing a glass-sealed, sealed-type thermistor in which the thermistor body and lead wire can be easily connected, and the glass can be easily positioned even when using a tube glass. The purpose is to provide

課題を解決するための手段 この問題点を解決するために、本発明のガラス封止形サ
ーミスタの製造方法は、片面に二分割された電極を有す
る平板状のサーミスタ素体の前記電極面にフレームリー
ドの2本のリード部を電気的に接続した後、前記サーミ
スタ素体をガラスにて気密封止することを特徴としたも
のである。また、前記構成において、フレームリードの
2本のリード部にリード間隔を広げた箇所または外方に
突出する凸部を有することを特徴としたものである。
Means for Solving the Problem In order to solve this problem, the method for manufacturing a glass-sealed thermistor of the present invention provides a method for manufacturing a glass-sealed thermistor by attaching a frame to the electrode surface of a flat thermistor body having two electrodes on one side. The present invention is characterized in that after the two lead portions of the leads are electrically connected, the thermistor element is hermetically sealed with glass. Further, in the above structure, the two lead portions of the frame lead have a portion where the lead interval is widened or a convex portion protruding outward.

作用 この構成によれば、 (1)2本のリード部を接続するサーミスタ素体の電極
がサーミスタ素体の片面に形成されているため、サーミ
スタ素体は容易にフレームリードのリード部に接続する
ことができる。さらに、フレームリードのリード部の位
置関係は多少のことではずれないため、サーミスタ素体
の外れはほとんど生じない。
Effects According to this configuration, (1) Since the electrode of the thermistor element that connects the two lead parts is formed on one side of the thermistor element, the thermistor element can be easily connected to the lead part of the frame lead. be able to. Furthermore, since the positional relationship of the lead portions of the frame leads does not change even if there is a slight change, the thermistor element hardly ever comes off.

(2)  フレームリードの2本のリード部にリード間
隔を広げた箇所または外方に突出する凸部を有する構成
とした時には前記箇所にて管ガラスをフレームリードに
かぶせるだけで容易に位置決めができる。
(2) When the two lead portions of the frame lead are configured to have a wider lead gap or a convex portion that protrudes outward, positioning can be easily performed by simply covering the frame lead with a tube glass at the aforementioned location. .

従って、本発明にて容易にサーミスタ素体とリード線が
接続でき、かつ管ガラスを用いても容易にガラスセット
することのできるガラス封止形サーミスタの製造方法を
提供することができる。
Therefore, according to the present invention, it is possible to provide a method for manufacturing a glass-sealed thermistor in which the thermistor body and the lead wire can be easily connected and the glass can be easily set even if a tube glass is used.

実施例 以下、本発明の一実施例について説明する。Example An embodiment of the present invention will be described below.

第1図は本発明の一実施例によるガラス封止形サーミス
タの製造方法を説明する図であり、第1図において、1
1は片面に電極12.13を形成した平板状のサーミス
タ素体であり、フレームリード14はフレーム部15に
対して一対のリード部16.17が突設されている。前
記リード部16.17の根元部はその間隔が先端部より
も広く形成されており、このような形状のリード部16
.17がフレーム部15に連続して多数突設されている
FIG. 1 is a diagram illustrating a method of manufacturing a glass-sealed thermistor according to an embodiment of the present invention.
Reference numeral 1 denotes a flat thermistor body with electrodes 12 and 13 formed on one side, and a frame lead 14 has a pair of lead parts 16 and 17 protruding from a frame part 15. The root portions of the lead portions 16 and 17 are formed with a wider interval than the tip portions, and the lead portions 16 having such a shape
.. 17 are successively protruded from the frame portion 15 in large numbers.

そして、ニッケルメッキ鉄ニツケル合金などからなるフ
レームリード14のリード部16.17をサーミスタ素
体11の片面に形成されている画電極12.13にパラ
レルギャップ溶接により接続する。次いで、管ガラス1
8を前記サーミスタ素体11及び前記リード部15.1
7の先端部にかぶせ、電気炉(図示せず)内で前記管ガ
ラス18を過熱溶融させ、前記サーミスタ素体11及び
前記リード部16.17の先端部に前記管ガラス18を
溶着させ、前記サーミスタ素体11を溶着されたガラス
181Lで気密封止する製造方法となっている。
Then, the lead portion 16.17 of the frame lead 14 made of nickel-plated iron-nickel alloy or the like is connected to the picture electrode 12.13 formed on one side of the thermistor body 11 by parallel gap welding. Next, tube glass 1
8 to the thermistor element body 11 and the lead portion 15.1.
7, the tube glass 18 is heated and melted in an electric furnace (not shown), and the tube glass 18 is welded to the thermistor body 11 and the lead portions 16 and 17. The manufacturing method is such that the thermistor body 11 is hermetically sealed with a welded glass 181L.

以上のように本実施例によれば、フレームリード14の
リード部16.17を接続するサーミスタ素体11の電
極12.13はそのサーミスタ素体11の片面に形成さ
れているため、容易に接続作業ができる。さらに、フレ
ームリード14のリード部16.17の位置関係は、フ
レーム部16にて固定されていて多少のことではずれず
、サーミスタ素体11の外れはほとんど生じない。
As described above, according to this embodiment, since the electrodes 12.13 of the thermistor body 11 to which the lead portions 16.17 of the frame leads 14 are connected are formed on one side of the thermistor body 11, the connection can be easily made. I can work. Furthermore, the positional relationship between the lead portions 16 and 17 of the frame lead 14 is fixed by the frame portion 16 and will not come off even with slight changes, and the thermistor body 11 will hardly come off.

また、管ガラス18をサーミスタ素体11及びリード部
16.17の先端部にかぶせる場合、リード部16.1
7の間隔が広がっている箇所が管ガラス18のストッパ
ーとなり、管ガラス1日の位置決めが容易にできる。
In addition, when the tube glass 18 is placed over the thermistor body 11 and the tip of the lead portion 16.17, the lead portion 16.1
The part where the distance between the numbers 7 is widened serves as a stopper for the glass tube 18, and the position of the glass tube for one day can be easily determined.

ここで、リード部16.17として間隔を広げた箇所を
設ける代りに、外方に突出する凸部を有するリード部を
用いるようにしてもよい。
Here, instead of providing the lead portions 16, 17 with wider intervals, a lead portion having a convex portion projecting outward may be used.

発明の効果 以上のように本発明によれば、下記のような効果が得ら
れ、その実用価値は大なるものである。
Effects of the Invention As described above, according to the present invention, the following effects can be obtained, and the practical value thereof is great.

(1)  フレームリードのリード部を接続するサーミ
スタ素体の電極はサーミスタ素体の片面に形成されてい
るため、サーミスタ素体の反転または両面同時接続の必
要がなく、サーミスタ素体とリードの接続工程が簡素化
される。
(1) Since the electrode of the thermistor element that connects the lead part of the frame lead is formed on one side of the thermistor element, there is no need to invert the thermistor element or connect both sides at the same time, and the connection between the thermistor element and the lead is eliminated. The process is simplified.

(2)  フレームリードのリード部の位置関係はフレ
ーム部にて・固定されていて多少のことでは動か危いた
め、取扱い上でのサーミスタ素体の外れはほとんど生じ
なくなり、生産性が飛躍的に向上する。
(2) The positional relationship of the lead part of the frame lead is fixed at the frame part, and it is dangerous to move if it is slightly moved, so the thermistor element will hardly come off during handling, dramatically improving productivity. do.

(3)管ガラスをサーミスタ素体及びリード部の先端部
にかぶせる場合、リード部の間隔が広がっている箇所ま
たは外方に突出する凸部があると管ガラスのストッパー
となるため、あらかじめキャップ状に加工したガラスを
用いなくても通常の管ガラスにて位置決めが容易にでき
るようKなり、コストダウンが図れる。
(3) When placing the tube glass over the thermistor body and the tips of the leads, if there is a wide gap between the leads or a convex part that protrudes outward, this will act as a stopper for the tube glass. Positioning can be easily performed using ordinary tube glass without using specially processed glass, and costs can be reduced.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例によるガラス封入形サーミス
タの製造方法を説明する図、第2図は従来のガラス封入
形サーミスタの製造方法を説明する図である。 11・・・−・・サーミスタ素体、12.13・・・・
・・電極、14・・・・・・リードフレーム、15・・
・・・・フレーム部、16.17・・・・・・リード部
、18・・・・・・管ガラス、181・・・・・・ガラ
ス。
FIG. 1 is a diagram illustrating a method of manufacturing a glass-encapsulated thermistor according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a conventional method of manufacturing a glass-encapsulated thermistor. 11...--Thermistor element, 12.13...
...Electrode, 14...Lead frame, 15...
...Frame part, 16.17...Lead part, 18...Tube glass, 181...Glass.

Claims (2)

【特許請求の範囲】[Claims] (1)片面に二分割された電極を有する平板状のサーミ
スタ素体の前記電極面にフレームリードの2本のリード
部の先端を電気的に接続した後、前記リード部の先端部
を含む前記サーミスタ素体をガラスにて気密封止するガ
ラス封止形サーミスタの製造方法。
(1) After electrically connecting the tips of the two lead parts of the frame lead to the electrode surface of the flat thermistor element having two electrodes on one side, A method for manufacturing a glass-sealed thermistor in which the thermistor body is hermetically sealed with glass.
(2)フレームリードの2本のリード部にリード間隔を
広げた箇所または外方に突出する凸部を有する請求項(
1)記載のガラス封止形サーミスタの製造方法。
(2) A claim in which the two lead portions of the frame lead have a portion where the lead spacing is widened or a convex portion that protrudes outward.
1) The method for manufacturing the glass-sealed thermistor described above.
JP30541089A 1989-11-24 1989-11-24 Manufacture of glass-sealed thermistor Pending JPH03165006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30541089A JPH03165006A (en) 1989-11-24 1989-11-24 Manufacture of glass-sealed thermistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30541089A JPH03165006A (en) 1989-11-24 1989-11-24 Manufacture of glass-sealed thermistor

Publications (1)

Publication Number Publication Date
JPH03165006A true JPH03165006A (en) 1991-07-17

Family

ID=17944797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30541089A Pending JPH03165006A (en) 1989-11-24 1989-11-24 Manufacture of glass-sealed thermistor

Country Status (1)

Country Link
JP (1) JPH03165006A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7046116B2 (en) 2002-11-12 2006-05-16 Heraeus Sensor Technology Gmbh Temperature probe and its use
US8183974B2 (en) 2007-09-28 2012-05-22 Heracus Sensor Technology GmbH 1200° C. film resistor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225402A (en) * 1985-07-26 1987-02-03 日立東部セミコンダクタ株式会社 Thermosensor and manufacture thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6225402A (en) * 1985-07-26 1987-02-03 日立東部セミコンダクタ株式会社 Thermosensor and manufacture thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7046116B2 (en) 2002-11-12 2006-05-16 Heraeus Sensor Technology Gmbh Temperature probe and its use
US8183974B2 (en) 2007-09-28 2012-05-22 Heracus Sensor Technology GmbH 1200° C. film resistor

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