JPS6339993U - - Google Patents
Info
- Publication number
- JPS6339993U JPS6339993U JP13330686U JP13330686U JPS6339993U JP S6339993 U JPS6339993 U JP S6339993U JP 13330686 U JP13330686 U JP 13330686U JP 13330686 U JP13330686 U JP 13330686U JP S6339993 U JPS6339993 U JP S6339993U
- Authority
- JP
- Japan
- Prior art keywords
- dust
- board
- investigation
- dummy
- unevenness
- 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
- 239000000428 dust Substances 0.000 claims description 7
- 238000011835 investigation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
第１図は本考案の実施例を示す斜視図、第２図
はダミー板の表面に設けた凹凸の拡大斜視図、第
３図はダミー板の凹凸への塵埃の付着状態を示す
断面図、第４図は従来の冷却気流調整用のダミー
板の構造を示す斜視図、第５図は第４図のダミー
板の断面図である。
第１図から第３図までにおいて、１１はダミー
板、１３は表面、１４は塵埃調査面、１５は凹凸
、１６は塵埃である。
Fig. 1 is a perspective view showing an embodiment of the present invention, Fig. 2 is an enlarged perspective view of the unevenness provided on the surface of the dummy plate, and Fig. 3 is a sectional view showing the state of dust adhering to the unevenness of the dummy plate. FIG. 4 is a perspective view showing the structure of a conventional dummy plate for adjusting cooling airflow, and FIG. 5 is a sectional view of the dummy plate shown in FIG. 4. 1 to 3, 11 is a dummy plate, 13 is a surface, 14 is a dust investigation surface, 15 is unevenness, and 16 is dust.
Claims (1)
能なダミー板１１であつて、 該ダミー板１１の表面１３には塵埃調査面１４
を設け、 該塵埃調査面１４には塵埃１６が付着しやすい
凹凸１５を形成してなるプリント板の塵埃調査用
ダミー板。[Claims for Utility Model Registration] A dummy board 11 that can be mounted in a position where a printed board of an electronic device is mounted, the surface 13 of the dummy board 11 having a dust inspection surface 14.
A dummy board for dust investigation of a printed board, wherein the dust investigation surface 14 is provided with unevenness 15 to which dust 16 easily adheres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13330686U JPS6339993U (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13330686U JPS6339993U (en) | 1986-08-29 | 1986-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6339993U true JPS6339993U (en) | 1988-03-15 |
Family
ID=31033501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13330686U Pending JPS6339993U (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6339993U (en) |
-
1986
- 1986-08-29 JP JP13330686U patent/JPS6339993U/ja active Pending
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