JPH0279450U - - Google Patents

Info

Publication number
JPH0279450U
JPH0279450U JP15832088U JP15832088U JPH0279450U JP H0279450 U JPH0279450 U JP H0279450U JP 15832088 U JP15832088 U JP 15832088U JP 15832088 U JP15832088 U JP 15832088U JP H0279450 U JPH0279450 U JP H0279450U
Authority
JP
Japan
Prior art keywords
laser light
light source
intensity
irradiation point
healthy
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
JP15832088U
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 JP15832088U priority Critical patent/JPH0279450U/ja
Publication of JPH0279450U publication Critical patent/JPH0279450U/ja
Pending legal-status Critical Current

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

Description

【図面の簡単な説明】
第1図は本考案微小欠陥検出装置の一実施例の
模式図、第2図は欠陥検出原理の説明図、第3図
は検出結果の画像表示図である。 1…レーザー光源、1a…照射レーザー光、1
b…反射レーザー光、2…対物レンズ、3…機械
部品試料面、4…ハーフミラー、5…ピンホール
、6…光センサー、7…CRT、8…微小欠陥、
9…結晶粒界、10…微小孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 構造部材表面の二次元領域中を走査するように
    集中レーザー光を照射するレーザー光源と、各照
    射点から反射するレーザー光の強度を検出し健全
    部と欠陥部におけるレーザー光反射強度の差を確
    認するか又は各照射点における健全部と欠陥部と
    に応じてなされる上記レーザー光源と上記部材表
    面との距離変化による最高強度状態を確認する光
    センサーとを具えたことを特徴とする微小欠陥検
    出装置。
JP15832088U 1988-12-05 1988-12-05 Pending JPH0279450U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15832088U JPH0279450U (ja) 1988-12-05 1988-12-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15832088U JPH0279450U (ja) 1988-12-05 1988-12-05

Publications (1)

Publication Number Publication Date
JPH0279450U true JPH0279450U (ja) 1990-06-19

Family

ID=31438539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15832088U Pending JPH0279450U (ja) 1988-12-05 1988-12-05

Country Status (1)

Country Link
JP (1) JPH0279450U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927207A (ja) * 1982-08-07 1984-02-13 Agency Of Ind Science & Technol 非接触表面形状・あらさ計

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927207A (ja) * 1982-08-07 1984-02-13 Agency Of Ind Science & Technol 非接触表面形状・あらさ計

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