JPS6145732U - information recording medium - Google Patents

information recording medium

Info

Publication number
JPS6145732U
JPS6145732U JP1984130572U JP13057284U JPS6145732U JP S6145732 U JPS6145732 U JP S6145732U JP 1984130572 U JP1984130572 U JP 1984130572U JP 13057284 U JP13057284 U JP 13057284U JP S6145732 U JPS6145732 U JP S6145732U
Authority
JP
Japan
Prior art keywords
recording medium
information recording
circumferential portion
ring
shaped
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
JP1984130572U
Other languages
Japanese (ja)
Inventor
邦男 今井
伸一 横関
徹 並木
康之 新井
哲哉 飯田
Original Assignee
パイオニア株式会社
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 by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1984130572U priority Critical patent/JPS6145732U/en
Publication of JPS6145732U publication Critical patent/JPS6145732U/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例よりなる情報記録媒体の断面
図、第２図は一体的スペーサの斜視図、第３図は組立て
図、第４図Ａは従来例よりなる情報記録媒体の断面斜視
図、同図Ｂ， Ｃはそれぞれ内周スペーサ、外周スペー
サの斜視図、および第５図は外周スペーサの断面斜視図
である。 １，２・・・円盤状基板、３・・・内周スペーサ、４・
・・外周スペーサ、５・・・環状中空部、６・・・記録
層、７・・・中心孔、８・・・接続部、Ｓ・・・一体的
スペーサ。FIG. 1 is a sectional view of an information recording medium according to an embodiment of the present invention, FIG. 2 is a perspective view of an integral spacer, FIG. 3 is an assembled view, and FIG. 4A is a diagram of an information recording medium according to a conventional example. Figures B and C are perspective views of the inner circumferential spacer and outer circumferential spacer, respectively, and FIG. 5 is a cross-sectional perspective view of the outer circumferential spacer. 1, 2... Disc-shaped substrate, 3... Inner spacer, 4...
. . . Outer circumferential spacer, 5. Annular hollow portion, 6. Recording layer, 7. Center hole, 8. Connection portion, S. Integral spacer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の円盤状基板を外周部と内周部に同心状に輪形スペ
ーサを介して重ね合わせ、該外周部と内周部の輪形スペ
ーサの間に形成される中空環状部の基板面に記録層を有
する情報記録媒体において、前記外周部の輪形スペーサ
と内周部の輪形スペーサとの間に接続部を設けて、外周
部と内周部の輪形スペーサを一体に形成してなることを
特徴とする情報記録媒体。A plurality of disc-shaped substrates are stacked concentrically on an outer circumferential portion and an inner circumferential portion with an annular spacer interposed therebetween, and a recording layer is formed on the substrate surface of a hollow annular portion formed between the annular spacers on the outer circumferential portion and the inner circumferential portion. The information recording medium is characterized in that a connecting portion is provided between the ring-shaped spacer on the outer circumference and the ring-shaped spacer on the inner circumference, and the ring-shaped spacers on the outer and inner circumference are integrally formed. Information recording medium.
JP1984130572U 1984-08-30 1984-08-30 information recording medium Pending JPS6145732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984130572U JPS6145732U (en) 1984-08-30 1984-08-30 information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984130572U JPS6145732U (en) 1984-08-30 1984-08-30 information recording medium

Publications (1)

Publication Number Publication Date
JPS6145732U true JPS6145732U (en) 1986-03-26

Family

ID=30689178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984130572U Pending JPS6145732U (en) 1984-08-30 1984-08-30 information recording medium

Country Status (1)

Country Link
JP (1) JPS6145732U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531002A (en) * 1976-05-13 1978-01-07 Philips Corp Radiation sensitive record
JPS5496002A (en) * 1978-01-13 1979-07-30 Hitachi Ltd Information recording plate
JPS6026625B2 (en) * 1981-11-12 1985-06-25 東芝機械株式会社 How to exhaust residual air inside the mold

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531002A (en) * 1976-05-13 1978-01-07 Philips Corp Radiation sensitive record
JPS5496002A (en) * 1978-01-13 1979-07-30 Hitachi Ltd Information recording plate
JPS6026625B2 (en) * 1981-11-12 1985-06-25 東芝機械株式会社 How to exhaust residual air inside the mold

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