JPH0353847U - - Google Patents

Info

Publication number
JPH0353847U
JPH0353847U JP11485989U JP11485989U JPH0353847U JP H0353847 U JPH0353847 U JP H0353847U JP 11485989 U JP11485989 U JP 11485989U JP 11485989 U JP11485989 U JP 11485989U JP H0353847 U JPH0353847 U JP H0353847U
Authority
JP
Japan
Prior art keywords
appearance
back side
checker
defective
abnormalities
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
JP11485989U
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 JP11485989U priority Critical patent/JPH0353847U/ja
Publication of JPH0353847U publication Critical patent/JPH0353847U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Description

【図面の簡単な説明】
第1図は、この考案の実施例である表面打点式
裏面外観チエツカの構成図を、また、第2図に従
来使用していたピンセツトの斜視図を示す。 1……光軸合わせ用光源、2a,2b,2c…
…反射鏡、3……接眼レンズ、4……打点用マー
カ、5……透明ガラス台、6……ウエール、7…
…裏面外観チヤツカ(光学顕微鏡型)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 透明ガラス等の透明物質の台に支持されたウエ
    ーハの素子形成面の裏面側の外観異常を観察でき
    る裏面外観チエツカと裏面側に外観異常が発見さ
    れた不良チツプに表面から不良コークを打点する
    マーキング部とを有する表面打点式裏面外観チエ
    ツカ。
JP11485989U 1989-09-29 1989-09-29 Pending JPH0353847U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11485989U JPH0353847U (ja) 1989-09-29 1989-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11485989U JPH0353847U (ja) 1989-09-29 1989-09-29

Publications (1)

Publication Number Publication Date
JPH0353847U true JPH0353847U (ja) 1991-05-24

Family

ID=31663207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11485989U Pending JPH0353847U (ja) 1989-09-29 1989-09-29

Country Status (1)

Country Link
JP (1) JPH0353847U (ja)

Similar Documents

Publication Publication Date Title
JPS60109041U (ja) ダイヤモンド等の宝石の輝きの判定器具
JPH0335510U (ja)
ITMI981181A1 (it) Diffusore ottico e dispositivo di illuminazione provvisto dello stesso
USD323628S (en) Semiconductor wafer measuring instrument
JPS649609U (ja)
JPH033762U (ja)
JPS63183545U (ja)
JPH0412628U (ja)
JPS646689U (ja)
JPH0641235Y2 (ja) 感光材料露光装置
JPS60230612A (ja) 顕微鏡用架台
JPH01109390U (ja)
JPS6345505U (ja)
JPS6235209U (ja)
JPH03109340U (ja)
JPS62195217U (ja)
JPS62151569U (ja)
JPS61145913U (ja)
JPH02119292U (ja)
JPH0347505U (ja)
JPS58144380U (ja) 宝石の光路説明用デイスプレイ装置
JPS62144002U (ja)
JPS63135249U (ja)
JPS6236557U (ja)
JPS6436880U (ja)