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JPH01124928U - - Google Patents

Info

Publication number
JPH01124928U
JPH01124928U JP1988018053U JP1805388U JPH01124928U JP H01124928 U JPH01124928 U JP H01124928U JP 1988018053 U JP1988018053 U JP 1988018053U JP 1805388 U JP1805388 U JP 1805388U JP H01124928 U JPH01124928 U JP H01124928U
Authority
JP
Japan
Prior art keywords
signal
reflective film
information
information recording
hole
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
JP1988018053U
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 JP1988018053U priority Critical patent/JPH01124928U/ja
Publication of JPH01124928U publication Critical patent/JPH01124928U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Description

【図面の簡単な説明】
第１図、第２図は本考案になる情報記録円盤を
示す図であり、第１図は平面図、第２図は断面図
である。 １……基板、２……透孔、３……信号記録領域
、４……反射膜、６……信号未記録領域。

Claims (1)

    【実用新案登録請求の範囲】
  1. 中心部に装置のターンテーブルと嵌合する透孔
    を備え、情報信号が微小のピツトとして形成され
    た信号面に反射膜を被着形成した情報記録円盤で
    あつて、前記信号が形成された信号記録領域と前
    記透孔との間に形成される反射膜の無い信号未記
    録領域に成形によつてシボ加工を施したことを特
    徴とする情報記録円盤。
JP1988018053U 1988-02-13 1988-02-13 Pending JPH01124928U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988018053U JPH01124928U (ja) 1988-02-13 1988-02-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988018053U JPH01124928U (ja) 1988-02-13 1988-02-13

Publications (1)

Publication Number Publication Date
JPH01124928U true JPH01124928U (ja) 1989-08-25

Family

ID=31232355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988018053U Pending JPH01124928U (ja) 1988-02-13 1988-02-13

Country Status (1)

Country Link
JP (1) JPH01124928U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618782A (ja) * 1984-06-21 1986-01-16 Matsushita Electric Ind Co Ltd 情報担体デイスク

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618782A (ja) * 1984-06-21 1986-01-16 Matsushita Electric Ind Co Ltd 情報担体デイスク

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