JPS6480095A - Printed wiring board - Google Patents
Printed wiring boardInfo
- Publication number
- JPS6480095A JPS6480095A JP23576487A JP23576487A JPS6480095A JP S6480095 A JPS6480095 A JP S6480095A JP 23576487 A JP23576487 A JP 23576487A JP 23576487 A JP23576487 A JP 23576487A JP S6480095 A JPS6480095 A JP S6480095A
- Authority
- JP
- Japan
- Prior art keywords
- film
- conductor
- windows
- heat dissipating
- printed wiring
- 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.)
- Granted
Links
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
PURPOSE:To protect a circuit conductor of a printed wiring board against heating so as to prevent an erroneous operation of the printed wiring plate due to heating by a method wherein a heat dissipating film is provided to the circuit conductor and an insulating film is provided as plural heat dissipating windows are interspersed in a lengthwise direction on the heat dissipating film. CONSTITUTION:A heat dissipating film 12 is provided to the surface of a circuit conductor 11. An insulating film 14 is formed as plural circular windows 15 are arranged so as to be interspersed along a lengthwise direction on the film 12 formed on the surface of the conductor 11. The windows 15 are circles, ellipses, or triangles in shape. Then, heat generated in operation is actively dissipated through the film 12 formed on the upper side of the conductor 11. The windows 15 enables the decrease of the dissipating effect due to the film 14 to be prevented. By these processes, the conductor 11 is prevented from being heated, and thus the erroneous operation caused by heating can be prevented.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23576487A JPS6480095A (en) | 1987-09-19 | 1987-09-19 | Printed wiring board |
US07/194,841 US4859805A (en) | 1987-09-19 | 1988-03-29 | Printed wiring board |
DE3850626T DE3850626D1 (en) | 1987-09-19 | 1988-04-02 | Circuit board. |
EP88105342A EP0308576B1 (en) | 1987-09-19 | 1988-04-02 | A printed wiring board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23576487A JPS6480095A (en) | 1987-09-19 | 1987-09-19 | Printed wiring board |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6480095A true JPS6480095A (en) | 1989-03-24 |
JPH0517717B2 JPH0517717B2 (en) | 1993-03-09 |
Family
ID=16990888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23576487A Granted JPS6480095A (en) | 1987-09-19 | 1987-09-19 | Printed wiring board |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480095A (en) |
-
1987
- 1987-09-19 JP JP23576487A patent/JPS6480095A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0517717B2 (en) | 1993-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |