JPH0252373U - - Google Patents
Info
- Publication number
- JPH0252373U JPH0252373U JP12889788U JP12889788U JPH0252373U JP H0252373 U JPH0252373 U JP H0252373U JP 12889788 U JP12889788 U JP 12889788U JP 12889788 U JP12889788 U JP 12889788U JP H0252373 U JPH0252373 U JP H0252373U
- Authority
- JP
- Japan
- Prior art keywords
- printed wiring
- component mounting
- wiring board
- thermoirreversible
- ink
- 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
- 238000010438 heat treatment Methods 0.000 claims 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Structure Of Printed Boards (AREA)
Description
第１図は本考案のプリント配線基板の部品取付
面の平面図、第２図は部品実装状態の平面図、第
３図は変色状態を示す平面図、第４図は他の実施
例のパターン面の平面図である。
ＰＣＢ……プリント配線基板、１……部品取付
面、４……パターン面、Ａ１〜Ａ３……マーク（
部品記号）。
Fig. 1 is a plan view of the component mounting surface of the printed wiring board of the present invention, Fig. 2 is a plan view of the component mounting state, Fig. 3 is a plan view showing a discolored state, and Fig. 4 is a pattern of another embodiment. FIG. PCB...Printed wiring board, 1...Component mounting surface, 4...Pattern surface, A1 to A3...Marks (
part symbol).
Claims (1)
も一方の面における所定の部品装着位置に、加熱
の履歴によつて変色する熱非可逆性のインキの部
品記号を設けたプリント配線基板。 A printed wiring board in which a component symbol of thermoirreversible ink that changes color due to heating history is provided at a predetermined component mounting position on at least one of a component mounting surface and a printed wiring surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12889788U JPH0252373U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12889788U JPH0252373U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252373U true JPH0252373U (en) | 1990-04-16 |
Family
ID=31382664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12889788U Pending JPH0252373U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252373U (en) |
-
1988
- 1988-09-30 JP JP12889788U patent/JPH0252373U/ja active Pending