JPH01129643U - - Google Patents

Info

Publication number
JPH01129643U
JPH01129643U JP2102388U JP2102388U JPH01129643U JP H01129643 U JPH01129643 U JP H01129643U JP 2102388 U JP2102388 U JP 2102388U JP 2102388 U JP2102388 U JP 2102388U JP H01129643 U JPH01129643 U JP H01129643U
Authority
JP
Japan
Prior art keywords
diffraction grating
jig
pure water
holder
measurement sample
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
JP2102388U
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 JP2102388U priority Critical patent/JPH01129643U/ja
Publication of JPH01129643U publication Critical patent/JPH01129643U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す模型的概念図
、第2図は従来の評価治具を示す模型的概念図で
ある。 11……評価治具のホルダー、12……回折格
子の測定試料、13,14……回折格子の限界を
示す標準試料、15……純水、16……透明容器
、17……肉眼、18……照明ランプ、19……
ピンセツト。

Claims (1)

    【実用新案登録請求の範囲】
  1. 半導体基板上に形成した回折格子を純水中に投
    入して該回折格子表面での光の反射状況を評価す
    る治具において、測定試料を保持するホルダーに
    、回折格子の良品限界を表わす1枚以上の標準試
    料を装備したことを特徴とする回折格子評価治具
JP2102388U 1988-02-19 1988-02-19 Pending JPH01129643U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2102388U JPH01129643U (ja) 1988-02-19 1988-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2102388U JPH01129643U (ja) 1988-02-19 1988-02-19

Publications (1)

Publication Number Publication Date
JPH01129643U true JPH01129643U (ja) 1989-09-04

Family

ID=31237887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2102388U Pending JPH01129643U (ja) 1988-02-19 1988-02-19

Country Status (1)

Country Link
JP (1) JPH01129643U (ja)

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