JPS58401U - Positive characteristic thermistor - Google Patents

Positive characteristic thermistor

Info

Publication number
JPS58401U
JPS58401U JP9417181U JP9417181U JPS58401U JP S58401 U JPS58401 U JP S58401U JP 9417181 U JP9417181 U JP 9417181U JP 9417181 U JP9417181 U JP 9417181U JP S58401 U JPS58401 U JP S58401U
Authority
JP
Japan
Prior art keywords
characteristic thermistor
metal layer
metal layers
positive characteristic
temperature coefficient
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
JP9417181U
Other languages
Japanese (ja)
Inventor
竹内　通一
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP9417181U priority Critical patent/JPS58401U/en
Publication of JPS58401U publication Critical patent/JPS58401U/en
Pending legal-status Critical Current

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  • Thermistors And Varistors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の正特性サーミスタの正面断面図、第２図
は同じ（表示マークを付した正特性サーミスタの正面断
面図、第３図はその欠点を説明するための要部の部分断
面図、第４図Ａは本考案に係る正特性サーミスタの平面
図、第４図Ｂは第４図Ａの８１−Ｂ□綿線上おける断面
図、第５図は同じくその効果を説明するための要部の断
面図である。 １・・・正特性サーミスタ素体、２．３・・・電極、２
ａ、　３ａ・・・第１の金属層、２ｂ、　３ｂ・・・第
２の金属層、４・・・表示マーク。Figure 1 is a front cross-sectional view of a conventional positive temperature coefficient thermistor, Figure 2 is a front cross-sectional view of the same positive coefficient thermistor with indication marks, and Figure 3 is a partial cross-sectional view of the main parts to explain its drawbacks. , FIG. 4A is a plan view of the PTC thermistor according to the present invention, FIG. 4B is a cross-sectional view taken along line 81-B□ of FIG. 4A, and FIG. 1 is a sectional view of the parts. 1...Positive temperature coefficient thermistor element body, 2.3... Electrode, 2
a, 3a...first metal layer, 2b, 3b...second metal layer, 4...display mark.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）表面に少なくとも２層の金属層で］構成される電
極を備え、該電極を構成する前記金属層のうち最外層の
金属層を部分的に欠いて形成した表示マークを有するこ
とを特徴とする特性サーミスタ。(1) An electrode composed of at least two metal layers on the surface, and an indication mark formed by partially cutting out the outermost metal layer of the metal layers constituting the electrode. Characteristic thermistor. （２）前記金属層のうち、最内側の金属層はニッケル無
電解メッキ層で成ることを特徴とする実用新案登録請求
の範囲第１楢に記載の正特性サーミスタ。(2) The positive temperature coefficient thermistor according to claim 1, wherein the innermost metal layer among the metal layers is made of a nickel electroless plating layer. （３）前記最外層の金属層は、焼付は銀で成ること゛を
特徴とする実用新案登録請求の範囲第１項または第２項
に記載の正特性サーミスタ。(3) The positive temperature coefficient thermistor according to claim 1 or 2, wherein the outermost metal layer is baked with silver.
JP9417181U 1981-06-25 1981-06-25 Positive characteristic thermistor Pending JPS58401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9417181U JPS58401U (en) 1981-06-25 1981-06-25 Positive characteristic thermistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9417181U JPS58401U (en) 1981-06-25 1981-06-25 Positive characteristic thermistor

Publications (1)

Publication Number Publication Date
JPS58401U true JPS58401U (en) 1983-01-05

Family

ID=29889107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9417181U Pending JPS58401U (en) 1981-06-25 1981-06-25 Positive characteristic thermistor

Country Status (1)

Country Link
JP (1) JPS58401U (en)

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