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
Application number
JP13330686U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13330686U priority Critical patent/JPS6339993U/ja
Publication of JPS6339993U publication Critical patent/JPS6339993U/ja
Pending legal-status Critical Current

Links

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

【図面の簡単な説明】
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。

Claims (1)

  1. 【実用新案登録請求の範囲】 電子機器のプリント板を実装する位置に実装可
    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。
JP13330686U 1986-08-29 1986-08-29 Pending JPS6339993U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13330686U JPS6339993U (ja) 1986-08-29 1986-08-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13330686U JPS6339993U (ja) 1986-08-29 1986-08-29

Publications (1)

Publication Number Publication Date
JPS6339993U true JPS6339993U (ja) 1988-03-15

Family

ID=31033501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13330686U Pending JPS6339993U (ja) 1986-08-29 1986-08-29

Country Status (1)

Country Link
JP (1) JPS6339993U (ja)

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