JPH03123206U - - Google Patents

Info

Publication number
JPH03123206U
JPH03123206U JP3380090U JP3380090U JPH03123206U JP H03123206 U JPH03123206 U JP H03123206U JP 3380090 U JP3380090 U JP 3380090U JP 3380090 U JP3380090 U JP 3380090U JP H03123206 U JPH03123206 U JP H03123206U
Authority
JP
Japan
Prior art keywords
imaged
half mirror
hole
microwindow
workpiece
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
JP3380090U
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 JP3380090U priority Critical patent/JPH03123206U/ja
Publication of JPH03123206U publication Critical patent/JPH03123206U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Description

【図面の簡単な説明】
第1図と第2図は本考案に係る照明装置の実施
例を示す概略側面図とそのフイルタの正面図、第
3図と第4図と第5図はビユーフアインダ用小型
陰極線管の直熱型カソードの一具体例を示す斜視
図と側断面図と第1グリツド電極の電子ビーム透
過孔の部分平面図である。 6……被撮像体、7……平行光源、8……フイ
ルタ、9……撮像手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 微小窓孔内にワークを配した被撮像体の微小窓
    孔中心を通る光軸を横切つて傾斜配置したハーフ
    ミラーを介して被撮像体内のワークを撮像手段に
    より撮像するに当たつて、上記ハーフミラーを介
    して平行光線を被撮像体に照射する照明装置にお
    いて、 上記ハーフミラー光源との間に被撮像体の窓孔
    以外の撮像不要部分の照度を低下させるフイルタ
    を配置したことを特徴とする照明装置。
JP3380090U 1990-03-29 1990-03-29 Pending JPH03123206U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3380090U JPH03123206U (ja) 1990-03-29 1990-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3380090U JPH03123206U (ja) 1990-03-29 1990-03-29

Publications (1)

Publication Number Publication Date
JPH03123206U true JPH03123206U (ja) 1991-12-16

Family

ID=31537741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3380090U Pending JPH03123206U (ja) 1990-03-29 1990-03-29

Country Status (1)

Country Link
JP (1) JPH03123206U (ja)

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