JP5733388B2 - 対物レンズ及び対物レンズの製造方法並びに成形金型 - Google Patents

対物レンズ及び対物レンズの製造方法並びに成形金型 Download PDF

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Publication number
JP5733388B2
JP5733388B2 JP2013507691A JP2013507691A JP5733388B2 JP 5733388 B2 JP5733388 B2 JP 5733388B2 JP 2013507691 A JP2013507691 A JP 2013507691A JP 2013507691 A JP2013507691 A JP 2013507691A JP 5733388 B2 JP5733388 B2 JP 5733388B2
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Japan
Prior art keywords
objective lens
optical
flange
lens
mold
Prior art date
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Expired - Fee Related
Application number
JP2013507691A
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English (en)
Japanese (ja)
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JPWO2012133578A1 (ja
Inventor
清水 勉
勉 清水
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.)
Konica Minolta Inc
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Konica Minolta Inc
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Publication date
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP2013507691A priority Critical patent/JP5733388B2/ja
Publication of JPWO2012133578A1 publication Critical patent/JPWO2012133578A1/ja
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701Details not specific to hot or cold runner channels
    • B29C45/2708Gates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353Diffractive elements, e.g. holograms or gratings
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367Stepped phase plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0027Gate or gate mark locations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Head (AREA)
JP2013507691A 2011-03-28 2012-03-28 対物レンズ及び対物レンズの製造方法並びに成形金型 Expired - Fee Related JP5733388B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013507691A JP5733388B2 (ja) 2011-03-28 2012-03-28 対物レンズ及び対物レンズの製造方法並びに成形金型

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011070983 2011-03-28
JP2011070983 2011-03-28
PCT/JP2012/058230 WO2012133578A1 (fr) 2011-03-28 2012-03-28 Lentille de focalisation, procédé de fabrication d'une lentille de focalisation et matrice de moulage
JP2013507691A JP5733388B2 (ja) 2011-03-28 2012-03-28 対物レンズ及び対物レンズの製造方法並びに成形金型

Publications (2)

Publication Number Publication Date
JPWO2012133578A1 JPWO2012133578A1 (ja) 2014-07-28
JP5733388B2 true JP5733388B2 (ja) 2015-06-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013507691A Expired - Fee Related JP5733388B2 (ja) 2011-03-28 2012-03-28 対物レンズ及び対物レンズの製造方法並びに成形金型

Country Status (2)

Country Link
JP (1) JP5733388B2 (fr)
WO (1) WO2012133578A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013321207B2 (en) * 2012-09-28 2017-03-30 Suntory Holdings Limited Monomeric proanthocyanidin-removed plant extract
CN114479010A (zh) * 2014-08-08 2022-05-13 株式会社大赛璐 具有特殊形状的环氧树脂成型物、以及具备该成型物的光学装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008287757A (ja) * 2007-05-15 2008-11-27 Konica Minolta Opto Inc 光ピックアップ装置及び対物レンズユニット
JP2009277311A (ja) * 2008-05-16 2009-11-26 Fujinon Corp 対物レンズ、光ピックアップ装置、光記録・再生装置
WO2010087068A1 (fr) * 2009-01-30 2010-08-05 コニカミノルタオプト株式会社 Lentille et matrice de moulage
WO2010089933A1 (fr) * 2009-02-06 2010-08-12 コニカミノルタオプト株式会社 Lentille de focalisation et dispositif de tête de lecture optique
JP2010186550A (ja) * 2002-11-26 2010-08-26 Hitachi Maxell Ltd プラスチックレンズ及び光ピックアップ装置
WO2010116804A1 (fr) * 2009-03-30 2010-10-14 コニカミノルタオプト株式会社 Lentille

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010186550A (ja) * 2002-11-26 2010-08-26 Hitachi Maxell Ltd プラスチックレンズ及び光ピックアップ装置
JP2008287757A (ja) * 2007-05-15 2008-11-27 Konica Minolta Opto Inc 光ピックアップ装置及び対物レンズユニット
JP2009277311A (ja) * 2008-05-16 2009-11-26 Fujinon Corp 対物レンズ、光ピックアップ装置、光記録・再生装置
WO2010087068A1 (fr) * 2009-01-30 2010-08-05 コニカミノルタオプト株式会社 Lentille et matrice de moulage
WO2010089933A1 (fr) * 2009-02-06 2010-08-12 コニカミノルタオプト株式会社 Lentille de focalisation et dispositif de tête de lecture optique
WO2010116804A1 (fr) * 2009-03-30 2010-10-14 コニカミノルタオプト株式会社 Lentille

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WO2012133578A1 (fr) 2012-10-04

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