JPS5986040U - 光学式ピツクアツプの結露防止装置 - Google Patents

光学式ピツクアツプの結露防止装置

Info

Publication number
JPS5986040U
JPS5986040U JP1982182115U JP18211582U JPS5986040U JP S5986040 U JPS5986040 U JP S5986040U JP 1982182115 U JP1982182115 U JP 1982182115U JP 18211582 U JP18211582 U JP 18211582U JP S5986040 U JPS5986040 U JP S5986040U
Authority
JP
Japan
Prior art keywords
objective lens
prevention device
condensation prevention
optical pick
thin film
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.)
Granted
Application number
JP1982182115U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6241383Y2 (enrdf_load_html_response
Inventor
小泉　利雄
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP1982182115U priority Critical patent/JPS5986040U/ja
Publication of JPS5986040U publication Critical patent/JPS5986040U/ja
Application granted granted Critical
Publication of JPS6241383Y2 publication Critical patent/JPS6241383Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Surface Treatment Of Optical Elements (AREA)
JP1982182115U 1982-11-30 1982-11-30 光学式ピツクアツプの結露防止装置 Granted JPS5986040U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982182115U JPS5986040U (ja) 1982-11-30 1982-11-30 光学式ピツクアツプの結露防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982182115U JPS5986040U (ja) 1982-11-30 1982-11-30 光学式ピツクアツプの結露防止装置

Publications (2)

Publication Number Publication Date
JPS5986040U true JPS5986040U (ja) 1984-06-11
JPS6241383Y2 JPS6241383Y2 (enrdf_load_html_response) 1987-10-23

Family

ID=30394470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982182115U Granted JPS5986040U (ja) 1982-11-30 1982-11-30 光学式ピツクアツプの結露防止装置

Country Status (1)

Country Link
JP (1) JPS5986040U (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003203374A (ja) * 2001-12-27 2003-07-18 Ricoh Co Ltd 光ピックアップ用対物レンズ、及びその製造方法、並びに光ピックアップモジュール、光ディスク装置、及び結露除去方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003203374A (ja) * 2001-12-27 2003-07-18 Ricoh Co Ltd 光ピックアップ用対物レンズ、及びその製造方法、並びに光ピックアップモジュール、光ディスク装置、及び結露除去方法

Also Published As

Publication number Publication date
JPS6241383Y2 (enrdf_load_html_response) 1987-10-23

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