JPH01129831U - - Google Patents

Info

Publication number
JPH01129831U
JPH01129831U JP2394888U JP2394888U JPH01129831U JP H01129831 U JPH01129831 U JP H01129831U JP 2394888 U JP2394888 U JP 2394888U JP 2394888 U JP2394888 U JP 2394888U JP H01129831 U JPH01129831 U JP H01129831U
Authority
JP
Japan
Prior art keywords
wafer
laser light
utility
single layer
registration request
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
JP2394888U
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 JP2394888U priority Critical patent/JPH01129831U/ja
Publication of JPH01129831U publication Critical patent/JPH01129831U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の構成説明図、第2図は従来の
テーブルに透明ウエーハを置いたときの検出光の
反射状態を示す説明図である。 1,10……テーブル、2……透明ウエーハ、
3……チツプ(回路パターン)、4……ストリー
ト、50……反射防止膜。

Claims (1)

    【実用新案登録請求の範囲】
  1. ウエーハのセツト用テーブルの表面にウエーハ
    面のストリート位置検出用レーザ光の反射防止膜
    を単層もしくは多層に構成してなる透明ウエーハ
    用テーブル。
JP2394888U 1988-02-25 1988-02-25 Pending JPH01129831U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2394888U JPH01129831U (ja) 1988-02-25 1988-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2394888U JPH01129831U (ja) 1988-02-25 1988-02-25

Publications (1)

Publication Number Publication Date
JPH01129831U true JPH01129831U (ja) 1989-09-04

Family

ID=31243376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2394888U Pending JPH01129831U (ja) 1988-02-25 1988-02-25

Country Status (1)

Country Link
JP (1) JPH01129831U (ja)

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