JPH01112004U

JPH01112004U -

Info

Publication number: JPH01112004U
Application number: JP15205188U
Authority: JP
Priority date: 1988-11-22
Filing date: 1988-11-22
Publication date: 1989-07-27

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す分解斜視図、第
２図は同実施例の組立状態を示す断面図、第３図
Ａは同実施例の絶縁基板の裏面を示す斜視図、第
３図Ｂは同実施例の電気的構成を示す回路図、第
４図は本考案の他の実施例の絶縁基板の表面を示
す斜視図、第５図Ａ及び第６図Ａはそれぞれ本考
案の他の異なる実施例の絶縁基板の裏面を示す斜
視図、第５図Ｂ及び第６図Ｂはそれぞれ第５図Ａ
及び第６図Ａに示した実施例の電気的構成を示す
回路図、第７図Ａは本考案の更に他の実施例で用
いる絶縁基板の裏面を示す斜視図、第７図Ｂは第
７図Ａの絶縁基板を用いた場合の可変抵抗器の電
気的構成を示す回路図、第８図Ａ乃至Ｃはそれぞ
れ実験で用いた異なる従来品の端子電極部付近の
構成を示した断面図である。１…絶縁基板、２…抵抗値可変用抵抗体、３…
摺動子接触用抵抗体、４，５，６，２４，２５…
端子電極部、３１…半田メツキ層。 FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a sectional view showing the assembled state of the same embodiment, FIG. Figure B is a circuit diagram showing the electrical configuration of the same embodiment, Figure 4 is a perspective view showing the surface of an insulating substrate of another embodiment of the present invention, and Figures 5A and 6A are respectively of the present invention. A perspective view showing the back side of an insulating substrate of another different embodiment, FIG. 5B and FIG. 6B are respectively FIG.
and a circuit diagram showing the electrical configuration of the embodiment shown in FIG. 6A, FIG. 7A is a perspective view showing the back side of an insulating substrate used in still another embodiment of the present invention, and FIG. Figure 8A is a circuit diagram showing the electrical configuration of a variable resistor using the insulating substrate, and Figures 8A to 8C are cross-sectional views showing the configuration near the terminal electrodes of different conventional products used in the experiment. be. 1... Insulating substrate, 2... Resistor for variable resistance value, 3...
Resistor for slider contact, 4, 5, 6, 24, 25...
Terminal electrode part, 31... solder plating layer.

補正昭６３．１２．２０実用新案登録請求の範囲を次のように補正する
。Amendment December 20, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】抵抗値可変用抵抗体と摺動子接触用電極部と前
記抵抗値可変用抵抗体及び摺動子接触用電極部に
それぞれつながる少なくとも２つの端子電極部と
を表面に有する絶縁基板と、前記絶縁基板に対し
て回転自在に支持されて前記抵抗値可変用抵抗体
と前記摺動子接触用電極部とに接触しつつ摺動す
る摺動子とを備え、前記端子電極部は前記絶縁基
板の端面を経て該絶縁基板の裏面にまで延長され
ているチツプ形可変抵抗器において、前記絶縁基
板の裏面側に延長された前記端子電極部のいずれ
かに一端が接続された固定抵抗器用抵抗体が前記
絶縁基板の裏面に設けられ、前記固定抵抗器用抵
抗体は絶縁被覆により覆われ、前記端子電極部の
延長部分が設けられている前記絶縁基板の端面と
該絶縁基板の表面及び裏面との間の各角部に丸味
が付けられ、且つ前記各端子電極部が半田メツキ
層により被覆されていることを特徴とするチツプ
形可変抵抗器。図面の簡単な説明を次のように補正する。明細書第１９頁第２０行の「抵抗体」を「電極
部」に訂正する。[Claims for Utility Model Registration] A resistor for variable resistance value, an electrode part for contacting a slider, and at least two terminal electrode parts respectively connected to the resistor for variable resistance value and an electrode part for contacting a slider. and a slider that is rotatably supported on the insulating substrate and slides in contact with the resistance value variable resistor and the slider contact electrode part, In a chip type variable resistor in which the terminal electrode portion extends to the back surface of the insulating substrate through the end surface of the insulating substrate, one end is connected to one of the terminal electrode portions extending to the back surface side of the insulating substrate. A resistor for a fixed resistor is provided on the back surface of the insulating substrate, and the resistor for the fixed resistor is covered with an insulating coating, and the end surface of the insulating substrate on which the extension portion of the terminal electrode portion is provided and the insulating A chip type variable resistor characterized in that each corner between the front and back surfaces of the substrate is rounded, and each of the terminal electrode portions is covered with a solder plating layer. The brief description of the drawing has been amended as follows. "Resistor" on page 19, line 20 of the specification is corrected to "electrode section."

Claims

[Scope of utility model registration request]

an insulating substrate having on its surface a resistor for variable resistance value, an electrode part for contacting a slider, and at least two terminal electrode parts respectively connected to the resistor for variable resistance value and an electrode part for contacting a slider; A slider is rotatably supported on the substrate and slides in contact with the resistance value variable resistor and the slider contact electrode portion, and the terminal electrode portion is attached to the insulating substrate. In a chip type variable resistor that extends to the back surface of the insulating substrate through the end surface, a fixed resistor resistor whose one end is connected to one of the terminal electrodes extending to the back surface side of the insulating substrate is connected to the insulating substrate. The resistor for the fixed resistor is provided on the back surface of the substrate, and the resistor for the fixed resistor is covered with an insulating coating, and each area between the end surface of the insulating substrate where the extension part of the terminal electrode part is provided and the front and back surfaces of the insulating substrate. A chip-type variable resistor characterized in that the corners are rounded and each of the terminal electrode parts is covered with a solder plating layer.