JPH0183341U - - Google Patents
Info
- Publication number
- JPH0183341U JPH0183341U JP1987178308U JP17830887U JPH0183341U JP H0183341 U JPH0183341 U JP H0183341U JP 1987178308 U JP1987178308 U JP 1987178308U JP 17830887 U JP17830887 U JP 17830887U JP H0183341 U JPH0183341 U JP H0183341U
- Authority
- JP
- Japan
- Prior art keywords
- insulating layer
- metal base
- base substrate
- overvoltage
- varistor material
- 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
- 239000002184 metal Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
Landscapes
- Thermistors And Varistors (AREA)
Description
第１図は本考案に係る金属ベース基板の一例を
示す断面図、第２図はバリスタ材の電圧電流特性
を示すグラフ図、第３図はバリスタ材を用いた絶
縁層上に回路を構成したときの等価回路を示す図
、第４図は従来の金属ベース基板の一例を示す断
面図である。
１１…金属ベース基板、１２…金属ベース、１
３…絶縁層、１４…配線金属膜、１５…搭載素子
、２１，２５…バリスタ。
Fig. 1 is a cross-sectional view showing an example of a metal base substrate according to the present invention, Fig. 2 is a graph showing the voltage-current characteristics of the varistor material, and Fig. 3 is a circuit constructed on an insulating layer using the varistor material. FIG. 4 is a cross-sectional view showing an example of a conventional metal base substrate. 11...Metal base substrate, 12...Metal base, 1
3... Insulating layer, 14... Wiring metal film, 15... Mounting element, 21, 25... Varistor.
Claims (1)
配線金属膜を形成した金属ベース基板において、
前記絶縁層を、過電圧印加時には導電性の挙動を
呈するバリスタ材を用いて形成したことを特徴と
する金属ベース基板。 A metal base substrate in which an insulating layer is provided on a metal base and a wiring metal film is formed on the surface of the insulating layer,
A metal base substrate characterized in that the insulating layer is formed using a varistor material that exhibits conductive behavior when an overvoltage is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987178308U JPH0183341U (en) | 1987-11-25 | 1987-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987178308U JPH0183341U (en) | 1987-11-25 | 1987-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0183341U true JPH0183341U (en) | 1989-06-02 |
Family
ID=31469931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987178308U Pending JPH0183341U (en) | 1987-11-25 | 1987-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0183341U (en) |
-
1987
- 1987-11-25 JP JP1987178308U patent/JPH0183341U/ja active Pending
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