JPS645443U - - Google Patents

Info

Publication number
JPS645443U
JPS645443U JP1987099111U JP9911187U JPS645443U JP S645443 U JPS645443 U JP S645443U JP 1987099111 U JP1987099111 U JP 1987099111U JP 9911187 U JP9911187 U JP 9911187U JP S645443 U JPS645443 U JP S645443U
Authority
JP
Japan
Prior art keywords
etching
ray exposure
silicon
spherical
exposure mask
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
JP1987099111U
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 JP1987099111U priority Critical patent/JPS645443U/ja
Publication of JPS645443U publication Critical patent/JPS645443U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Weting (AREA)

Description

【図面の簡単な説明】
第1図は本考案による一実施例を示す側断面図
、第2図は従来のX線露光用マスクのシリコンエ
ツチング、である。 図において、1は球形エツチング槽A、2は球
形エツチング槽B、3は撹拌機、4は撹拌用磁石
、5はX線露光用マスク、5aはシリコン基板、
5bは窒化シリコン膜、5cはマスクパターン、
を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. X線露光用マスクのシリコンエツチングに用い
    る、球形エツチング槽1,2と、撹拌用磁石4を
    エツチング液中で回転させる撹拌機3とを有し、
    前記球形エツチング槽A1と一体化したX線露光
    用マスク5のシリコン基板5aをエツチングする
    ことを特徴とするX線露光用マスクのシリコンエ
    ツチング治具。
JP1987099111U 1987-06-26 1987-06-26 Pending JPS645443U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987099111U JPS645443U (ja) 1987-06-26 1987-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987099111U JPS645443U (ja) 1987-06-26 1987-06-26

Publications (1)

Publication Number Publication Date
JPS645443U true JPS645443U (ja) 1989-01-12

Family

ID=31325966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987099111U Pending JPS645443U (ja) 1987-06-26 1987-06-26

Country Status (1)

Country Link
JP (1) JPS645443U (ja)

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