JPH0176031U - - Google Patents

Info

Publication number
JPH0176031U
JPH0176031U JP1987171838U JP17183887U JPH0176031U JP H0176031 U JPH0176031 U JP H0176031U JP 1987171838 U JP1987171838 U JP 1987171838U JP 17183887 U JP17183887 U JP 17183887U JP H0176031 U JPH0176031 U JP H0176031U
Authority
JP
Japan
Prior art keywords
electron beam
lens barrel
vacuum chamber
beam direct
wafer
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
JP1987171838U
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 JP1987171838U priority Critical patent/JPH0176031U/ja
Publication of JPH0176031U publication Critical patent/JPH0176031U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Beam Exposure (AREA)

Description

【図面の簡単な説明】
第1図aは本考案の一実施例を示す断面図、b
は同平面図、第2図は電子線直接描画装置の鏡筒
頂点とステージとの相対変位の制振処理の有無に
よる特性図、第3図は電子線直接描画装置の固有
振動による変形を示す特性図である。 1…鏡筒、2…ステージ、3…真空チヤンバー
、4…ウエハー、5…制振材料層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 鏡筒を通して高速の電子ビームを真空チヤンバ
    ー内のウエハー上に照射して回路パターンを描画
    する電子線直接描画装置において、前記真空チヤ
    ンバー及び鏡筒の少くとも一方に制振材の層を付
    設したことを特徴とする電子線直接描画装置。
JP1987171838U 1987-11-09 1987-11-09 Pending JPH0176031U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987171838U JPH0176031U (ja) 1987-11-09 1987-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987171838U JPH0176031U (ja) 1987-11-09 1987-11-09

Publications (1)

Publication Number Publication Date
JPH0176031U true JPH0176031U (ja) 1989-05-23

Family

ID=31463843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987171838U Pending JPH0176031U (ja) 1987-11-09 1987-11-09

Country Status (1)

Country Link
JP (1) JPH0176031U (ja)

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