JPS6263829U - - Google Patents

Info

Publication number
JPS6263829U
JPS6263829U JP1985155216U JP15521685U JPS6263829U JP S6263829 U JPS6263829 U JP S6263829U JP 1985155216 U JP1985155216 U JP 1985155216U JP 15521685 U JP15521685 U JP 15521685U JP S6263829 U JPS6263829 U JP S6263829U
Authority
JP
Japan
Prior art keywords
signal recording
recording surfaces
pair
discs
recording disk
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
JP1985155216U
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 JP1985155216U priority Critical patent/JPS6263829U/ja
Publication of JPS6263829U publication Critical patent/JPS6263829U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第1図は本発明による実施例の光学式情報記録
円板の平面図、第2図は本発明による実施例の光
学式情報記録円板の内外周部近傍の部分断面図、
第3図は本発明による他の実施例の光学式情報記
録円板の外周部近傍の部分断面図、第4図は従来
の光学式情報記録円板の部分断面図である。 主要部分の符号の説明、1……透明円板、2,
12……反射膜、3,13……保護膜、4……接
着剤層、6……信号記録面、7,14,22……
接合部、11……熱硬化製樹脂の透明円板、21
……熱硬化製樹脂の保護膜。

Claims (1)

    【実用新案登録請求の範囲】
  1. 透明な熱可塑性樹脂からなりかつその信号記録
    面が互に対向するが如く結合した一対の円板から
    なり、前記一対の円板の信号記録面の内、非信号
    記録面を超音波溶接してなることを特徴とする光
    学式記録円板。
JP1985155216U 1985-10-09 1985-10-09 Pending JPS6263829U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985155216U JPS6263829U (ja) 1985-10-09 1985-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985155216U JPS6263829U (ja) 1985-10-09 1985-10-09

Publications (1)

Publication Number Publication Date
JPS6263829U true JPS6263829U (ja) 1987-04-21

Family

ID=31075723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985155216U Pending JPS6263829U (ja) 1985-10-09 1985-10-09

Country Status (1)

Country Link
JP (1) JPS6263829U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814342A (ja) * 1981-07-16 1983-01-27 Sharp Corp 光記憶素子の製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814342A (ja) * 1981-07-16 1983-01-27 Sharp Corp 光記憶素子の製造方法

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