JPS6036622U - optical lens - Google Patents

optical lens

Info

Publication number
JPS6036622U
JPS6036622U JP12800583U JP12800583U JPS6036622U JP S6036622 U JPS6036622 U JP S6036622U JP 12800583 U JP12800583 U JP 12800583U JP 12800583 U JP12800583 U JP 12800583U JP S6036622 U JPS6036622 U JP S6036622U
Authority
JP
Japan
Prior art keywords
optical lens
lens
heating wire
view
recorded
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
JP12800583U
Other languages
Japanese (ja)
Inventor
岸上　功夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP12800583U priority Critical patent/JPS6036622U/en
Publication of JPS6036622U publication Critical patent/JPS6036622U/en
Pending legal-status Critical Current

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Landscapes

  • Optical Head (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 the drawing]

第１図ａおよびｂは本考案の第一の実施例の平面図およ
びＡ−Ａ断面図、第２図ａおよびｂは本考案の第二の実
施例の平面図およびＢ−Ｂ断面図、第３図は本考案の実
施例を利用した光学ヘットの一例の断面図である。 図において、１０・・・・・・レンズ、１２・・・・・
・加熱線、１４・・・・・・保持枠、１６・・・・・・
端子線、２０・・・・・・レンズ、２２・・・・・・加
熱線、２６・・・・・・端子線、３０・・・・・・対物
レンズ、３１・・・・・・加熱線、３２・・・・・・光
学ヘッド、３４・・・・・・半導体レーザ、３６・・・
・・・コリメートレンズ、３８・・・・・・偏光ビーム
スプリッタ、４０・・・・・・四分の一波長板、４４・
・・・・・光検出器、５０・・・・・・光ディスク。FIGS. 1a and b are a plan view and a sectional view taken along line A-A of the first embodiment of the present invention; FIGS. 2 a and b are a plan view and a sectional view taken along line BB of the second embodiment of the present invention; FIG. 3 is a sectional view of an example of an optical head using an embodiment of the present invention. In the figure, 10...lens, 12...
・Heating wire, 14... Holding frame, 16...
Terminal wire, 20...Lens, 22...Heating wire, 26...Terminal wire, 30...Objective lens, 31...Heating Line, 32... Optical head, 34... Semiconductor laser, 36...
... Collimator lens, 38 ... Polarizing beam splitter, 40 ... Quarter wavelength plate, 44.
...Photodetector, 50...Optical disc.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] レンズ内部に加熱線を有することを特徴とする光学レン
ズ。An optical lens characterized by having a heating wire inside the lens.
JP12800583U 1983-08-19 1983-08-19 optical lens Pending JPS6036622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12800583U JPS6036622U (en) 1983-08-19 1983-08-19 optical lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12800583U JPS6036622U (en) 1983-08-19 1983-08-19 optical lens

Publications (1)

Publication Number Publication Date
JPS6036622U true JPS6036622U (en) 1985-03-13

Family

ID=30290534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12800583U Pending JPS6036622U (en) 1983-08-19 1983-08-19 optical lens

Country Status (1)

Country Link
JP (1) JPS6036622U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010504631A (en) * 2006-09-21 2010-02-12 カール・ツァイス・エスエムティー・アーゲー Optical elements and methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010504631A (en) * 2006-09-21 2010-02-12 カール・ツァイス・エスエムティー・アーゲー Optical elements and methods

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