JPH03128665U - - Google Patents

Info

Publication number
JPH03128665U
JPH03128665U JP3665590U JP3665590U JPH03128665U JP H03128665 U JPH03128665 U JP H03128665U JP 3665590 U JP3665590 U JP 3665590U JP 3665590 U JP3665590 U JP 3665590U JP H03128665 U JPH03128665 U JP H03128665U
Authority
JP
Japan
Prior art keywords
electroforming
conductive ring
plate material
original plate
circumferential side
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
JP3665590U
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 JP3665590U priority Critical patent/JPH03128665U/ja
Publication of JPH03128665U publication Critical patent/JPH03128665U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は光デイスク記録媒体の製造工程におけ
る本考案の電鋳用導電リングを用いたマスター盤
を製造における電鋳工程の要部断面図であり、第
2図は第1図に示す工程に用いた電鋳用導電リン
グの斜視図、第3図及び第4図は本考案の変形例
の要部斜視図である。 図中符号;1……電鋳用導電リング、2……リ
ング外周側、4、4a、4b……切欠き、6……
電鋳層、7……フオトレジスト層、8……ガラス
原盤、9……導電プレート部、10……抑え部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光記録媒体の記録面を形成するときの電鋳工程
    にて、ガラス原盤上に密着された電鋳原版材の外
    周に設けて該電鋳原版材に通電する電鋳用導電リ
    ングにおいて、前記電鋳用導電リングはその外周
    側に開放した複数の切欠きが形成されたことを特
    徴とする電鋳用導電リング。
JP3665590U 1990-04-06 1990-04-06 Pending JPH03128665U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3665590U JPH03128665U (ja) 1990-04-06 1990-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3665590U JPH03128665U (ja) 1990-04-06 1990-04-06

Publications (1)

Publication Number Publication Date
JPH03128665U true JPH03128665U (ja) 1991-12-25

Family

ID=31543074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3665590U Pending JPH03128665U (ja) 1990-04-06 1990-04-06

Country Status (1)

Country Link
JP (1) JPH03128665U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100978285B1 (ko) * 2009-05-28 2010-08-26 (주)아이마스티 숙면용 베개

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100978285B1 (ko) * 2009-05-28 2010-08-26 (주)아이마스티 숙면용 베개

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