JPS6216902U - - Google Patents

Info

Publication number
JPS6216902U
JPS6216902U JP10824685U JP10824685U JPS6216902U JP S6216902 U JPS6216902 U JP S6216902U JP 10824685 U JP10824685 U JP 10824685U JP 10824685 U JP10824685 U JP 10824685U JP S6216902 U JPS6216902 U JP S6216902U
Authority
JP
Japan
Prior art keywords
light
substrate
separation element
absorption film
light separation
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
JP10824685U
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 JP10824685U priority Critical patent/JPS6216902U/ja
Publication of JPS6216902U publication Critical patent/JPS6216902U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Optical Head (AREA)

Description

【図面の簡単な説明】
第1図は本考案による光分離素子の一実施例を
示す図、第2図は従来の一般的な複数ビーム光ヘ
ツドの構成図である。 10……光分離素子、11…光吸収膜、12…
…基板、13……穴、20a,20b,20c,
20d……レーザ光、21a,21b……半導体
レーザ、22……コリメータレンズ、23……偏
光ビームスプリツタ、24……1/4波長板、2
5……アクチユエータ、26……収束レンズ、2
7……記録媒体、28……レンズ、29……ピン
ホール、30……検出系。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数ビームの光路を分離する光分離素子であつ
    て、光を透過する基板と、この基板上に形成され
    、所定光パワー以上の光照射によつて化学的およ
    びまたは物理的変化を生じ消失する光吸収膜とか
    ら成ることを特徴とする光分離素子。
JP10824685U 1985-07-17 1985-07-17 Pending JPS6216902U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10824685U JPS6216902U (ja) 1985-07-17 1985-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10824685U JPS6216902U (ja) 1985-07-17 1985-07-17

Publications (1)

Publication Number Publication Date
JPS6216902U true JPS6216902U (ja) 1987-01-31

Family

ID=30985261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10824685U Pending JPS6216902U (ja) 1985-07-17 1985-07-17

Country Status (1)

Country Link
JP (1) JPS6216902U (ja)

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