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WO2008149670A1 - 光学素子の製造方法及び光学素子 - Google Patents

光学素子の製造方法及び光学素子 Download PDF

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Publication number
WO2008149670A1
WO2008149670A1 PCT/JP2008/059343 JP2008059343W WO2008149670A1 WO 2008149670 A1 WO2008149670 A1 WO 2008149670A1 JP 2008059343 W JP2008059343 W JP 2008059343W WO 2008149670 A1 WO2008149670 A1 WO 2008149670A1
Authority
WO
WIPO (PCT)
Prior art keywords
molded
optical element
molten glass
molding die
glass drop
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.)
Ceased
Application number
PCT/JP2008/059343
Other languages
English (en)
French (fr)
Inventor
Kazuyuki Ogura
Yoshihiro Kamada
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 Opto Inc
Original Assignee
Konica Minolta Opto Inc
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 Konica Minolta Opto Inc filed Critical Konica Minolta Opto Inc
Priority to US12/451,684 priority Critical patent/US8596093B2/en
Priority to JP2009517774A priority patent/JP5381706B2/ja
Priority to CN200880018293.9A priority patent/CN101679092B/zh
Publication of WO2008149670A1 publication Critical patent/WO2008149670A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/49—Complex forms not covered by groups C03B2215/47 or C03B2215/48
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0966—Cylindrical lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
  • Optical Head (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

　側面成形面を有するビーム整形素子等の光学素子を、溶融ガラス滴を加圧成形することによって高効率、且つ高精度に製造することができる光学素子の製造方法を提供する。 　下型に、成形金型よりも温度が高い所定体積の溶融ガラス滴を供給した後、成形金型で溶融ガラス滴を加圧成形して、上成形面と側面成形面との間に、成形金型と接触せずに固化する自由面を形成する。供給する溶融ガラス滴の体積は、上成形面と側面成形面とを延長した場合における延長した上成形面、延長した側面成形面、及び、下成形面によって構成される空間の体積の０．８倍以上、０．９７倍以下とする。
PCT/JP2008/059343 2007-05-31 2008-05-21 光学素子の製造方法及び光学素子 Ceased WO2008149670A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/451,684 US8596093B2 (en) 2007-05-31 2008-05-21 Optical element manufacturing method and optical element
JP2009517774A JP5381706B2 (ja) 2007-05-31 2008-05-21 光学素子の製造方法
CN200880018293.9A CN101679092B (zh) 2007-05-31 2008-05-21 光学元件的制造方法及光学元件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007144923 2007-05-31
JP2007-144923 2007-05-31

Publications (1)

Publication Number Publication Date
WO2008149670A1 true WO2008149670A1 (ja) 2008-12-11

Family

ID=40093495

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/059343 Ceased WO2008149670A1 (ja) 2007-05-31 2008-05-21 光学素子の製造方法及び光学素子

Country Status (4)

Country Link
US (1) US8596093B2 (ja)
JP (1) JP5381706B2 (ja)
CN (1) CN101679092B (ja)
WO (1) WO2008149670A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018168036A (ja) * 2017-03-30 2018-11-01 ファナック株式会社 レンズ成形用金型及びシリンドリカルレンズの製造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5381706B2 (ja) * 2007-05-31 2014-01-08 コニカミノルタ株式会社 光学素子の製造方法
US9505647B2 (en) * 2012-02-22 2016-11-29 Konica Minolta, Inc. Method of manufacturing barrel-integrated lens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128932A (ja) * 1985-11-26 1987-06-11 Matsushita Electric Ind Co Ltd ガラスレンズの成形方法
JPH069231A (ja) * 1992-06-26 1994-01-18 Matsushita Electric Ind Co Ltd 光学ガラス素子成形用型及び光学ガラス素子の成形方法
JP2006096605A (ja) * 2004-09-29 2006-04-13 Canon Inc 光学素子の成形方法
JP2006290692A (ja) * 2005-04-13 2006-10-26 Konica Minolta Opto Inc ビーム整形素子の成形方法および該方法により製造されたビーム整形素子

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3402648A1 (de) * 1983-01-28 1984-08-02 Canon K.K., Tokio/Tokyo Formgebungsvorrichtung fuer ein optisches element
US4941906A (en) * 1987-07-09 1990-07-17 Corning Incorporated Balanced molding of optical elements
US4836840A (en) * 1988-09-26 1989-06-06 Hoya Corporation Press-molding device for lenses
US5173100A (en) * 1988-11-16 1992-12-22 Canon Kabushiki Kaisha Molding method for optical element
US5211969A (en) * 1990-11-02 1993-05-18 Canon Kabushiki Kaisha Mold for press molding of optical element
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
JP3164404B2 (ja) * 1992-02-21 2001-05-08 オリンパス光学工業株式会社 ガラス光学素子の成形装置と成形方法
JP3224472B2 (ja) * 1993-05-26 2001-10-29 キヤノン株式会社 光学レンズ及びその成形用型
US6560994B1 (en) * 1997-07-18 2003-05-13 Hoya Corporation Mold used for molding glass optical elements process for preparation of glass optical elements and method for rebirth of mold
JP4467671B2 (ja) * 1998-08-24 2010-05-26 キヤノン株式会社 光学素子の成形装置及び成形方法
JP2002208159A (ja) 2001-01-12 2002-07-26 Minolta Co Ltd 光ビーム照射光学系および光ピックアップ
US6567223B2 (en) * 2001-06-01 2003-05-20 Eastman Kodak Company Molded lens element having a two-dimensional reference molded therein
JP3849669B2 (ja) * 2003-05-19 2006-11-22 コニカミノルタオプト株式会社 光学素子製造方法
JP3714360B1 (ja) * 2004-05-10 2005-11-09 コニカミノルタオプト株式会社 光学ガラス素子およびその製造方法
JP4022923B2 (ja) * 2004-05-20 2007-12-19 コニカミノルタオプト株式会社 光学素子の成形方法
TWI241947B (en) * 2004-10-04 2005-10-21 Asia Optical Co Inc Optical lens molding apparatus and precision molding apparatus
JP4569365B2 (ja) * 2005-04-14 2010-10-27 コニカミノルタオプト株式会社 ビーム整形素子の製造方法、該方法により得られるビーム整形素子
JP5017798B2 (ja) * 2005-04-20 2012-09-05 コニカミノルタアドバンストレイヤー株式会社 ピックアップ光学系に用いられる整形素子を成形する成形装置および該装置により製造された整形素子
JP4785047B2 (ja) * 2006-03-27 2011-10-05 Ｈｏｙａ株式会社 レンズおよびその製造方法
JP5381706B2 (ja) * 2007-05-31 2014-01-08 コニカミノルタ株式会社 光学素子の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128932A (ja) * 1985-11-26 1987-06-11 Matsushita Electric Ind Co Ltd ガラスレンズの成形方法
JPH069231A (ja) * 1992-06-26 1994-01-18 Matsushita Electric Ind Co Ltd 光学ガラス素子成形用型及び光学ガラス素子の成形方法
JP2006096605A (ja) * 2004-09-29 2006-04-13 Canon Inc 光学素子の成形方法
JP2006290692A (ja) * 2005-04-13 2006-10-26 Konica Minolta Opto Inc ビーム整形素子の成形方法および該方法により製造されたビーム整形素子

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018168036A (ja) * 2017-03-30 2018-11-01 ファナック株式会社 レンズ成形用金型及びシリンドリカルレンズの製造方法
US10508051B2 (en) 2017-03-30 2019-12-17 Fanuc Corporation Lens forming mold and manufacturing method for cylindrical lens

Also Published As

Publication number Publication date
US20100162762A1 (en) 2010-07-01
CN101679092A (zh) 2010-03-24
JP5381706B2 (ja) 2014-01-08
CN101679092B (zh) 2012-06-27
JPWO2008149670A1 (ja) 2010-08-26
US8596093B2 (en) 2013-12-03

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