WO2010058740A1 - Procédé de fabrication de lentille asphérique - Google Patents

Procédé de fabrication de lentille asphérique Download PDF

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Publication number
WO2010058740A1
WO2010058740A1 PCT/JP2009/069362 JP2009069362W WO2010058740A1 WO 2010058740 A1 WO2010058740 A1 WO 2010058740A1 JP 2009069362 W JP2009069362 W JP 2009069362W WO 2010058740 A1 WO2010058740 A1 WO 2010058740A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
molded body
glass molded
manufacturing
aspherical
Prior art date
Application number
PCT/JP2009/069362
Other languages
English (en)
Japanese (ja)
Inventor
俊也 富阪
耕一 脇田
Original Assignee
コニカミノルタオプト株式会社
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 コニカミノルタオプト株式会社 filed Critical コニカミノルタオプト株式会社
Priority to JP2010539218A priority Critical patent/JPWO2010058740A1/ja
Priority to US13/128,808 priority patent/US20110215492A1/en
Priority to CN200980145511XA priority patent/CN102216812A/zh
Publication of WO2010058740A1 publication Critical patent/WO2010058740A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0052—Lens block moulding devices
    • 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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • 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

Definitions

  • the present invention relates to a manufacturing method of an aspheric lens, and more particularly to a manufacturing method of an aspheric lens using press working and machining.
  • aspherical lenses have come to be used as lenses for digital cameras, optical pickup lenses such as DVDs, camera lenses for mobile phones, coupling lenses for optical communication, various mirrors, etc. It is.
  • As a manufacturing method of such an aspherical lens press working, machining (generic name for cutting, grinding, polishing) and the like are known.
  • Pressing is a processing method in which a heat-softened glass material is press-molded with an upper mold and a lower mold.
  • this press molding method can mold one surface of a lens in a short time, the molding conditions are very strict, and it is not easy to mold both surfaces with high accuracy.
  • Patent Document 1 proposes a manufacturing method of an aspherical lens that adopts the advantages of conventional press working and high-precision machining.
  • Patent Document 1 In the method described in Patent Document 1, first, a glass material is pressed to press-mold a substantially plano-convex glass molded body in which one surface is convex and aspherical, and the other surface is flat. Next, the glass molded body is inserted into a special centering holder, and then the other flat surface of the glass molded body is machined into a concave spherical surface to produce a meniscus lens.
  • Patent Document 1 the method described in Patent Document 1 is based on the premise that the shape of a glass molded body that is first press-molded is a substantially plano-convex glass molded body in which one surface is convex and aspherical, and the other surface is flat. There is a problem that it can be adopted only in a method for manufacturing a meniscus lens, which is formed by machining the other surface of the glass molded body into a concave spherical surface.
  • the other flat surface of the glass molded body is superposed on the upper lens holder, and the aspherical optical axis is fixed by bringing the lens optical axis fixing portion into contact with the peripheral edge of the aspherical surface of the glass molded body.
  • the aspherical optical axis is aligned with the center of the centering holder. Therefore, if the relative positional relationship such as the parallelism between the aspherical surface and the flat surface of the glass molded body is not assured with high accuracy, the optical axes of the aspherical surface and the spherical surface are shifted and deviated when machining the spherical surface. There is a problem of wicking.
  • the present invention has been made in view of the above problems, and an aspheric lens capable of manufacturing an aspheric lens having a desired shape with high accuracy regardless of the shape of the glass molded body without impairing productivity. It aims at providing the manufacturing method of.
  • a method for producing an aspheric lens comprising:
  • the processing holder includes a glass molded body holding member A that contacts the flat surface of the glass molded body, and a glass molded body holding member B that contacts the side surface of the glass molded body. 6.
  • the aspherical surface, the flat surface of the peripheral surface of the aspherical surface, and the side surface are formed at the same time, so the relative positional relationship between the aspherical surface and the flat surface and the side surface is It will be guaranteed.
  • the relative positional relationship between the aspherical optical axis and the flat and side surfaces is guaranteed. Since the flat surface and the side surface in which the relative positional relationship with the aspherical optical axis is guaranteed in this manner are brought into contact with the processing holder, the glass molded body is held and positioned.
  • the inclination and center shift of the aspherical optical axis of the glass molded body are restricted, and the aspherical optical axis matches the core of the processing holder, that is, the processing center.
  • the optical axis of the spherical surface can be easily matched with the optical axis of the aspherical surface.
  • molded is limited to a flat surface like before.
  • the aspherical shape may be a convex surface or a concave surface.
  • FIG. 1 is a schematic cross-sectional view showing a schematic configuration of a molding die 3 according to an example according to an embodiment of the present invention.
  • the molding die 3 includes an upper die 31, a lower die 33, a side die 35 and the like as shown in FIG.
  • the upper die 31 is formed with an aspherical molding surface 31a and a flat molding surface 31c on the periphery of the molding surface 31a.
  • the molding surface 31c is a flat surface perpendicular to the optical axis of the aspheric surface formed by the molding surface 31.
  • a concave molding surface 33a and a molding surface 35a are formed on the lower mold 33 and the side mold 35, respectively.
  • the molding surface 35 a of the side surface mold 35 is a cylindrical surface centering on the aspherical optical axis formed by the molding surface 31.
  • the side surface mold 35 has a ring shape and is fixed to the upper mold 31.
  • the molding surface 31a of the upper mold 31 is a concave aspherical surface
  • the molding surface 33a of the lower mold 33 is a concave surface, but any surface shape is not limited to these and is a convex surface. It may be.
  • the upper mold 31 has an aspheric surface, and a flat molding surface is formed on the periphery of the aspheric surface, and a concave molding surface is formed on the lower mold 33.
  • the mold 33 may be configured to form an aspheric surface and a flat molding surface on the periphery of the aspheric surface, and to form a concave molding surface on the upper mold 31, and the side mold 35 may be fitted and fixed to the lower mold 33. .
  • the material of the upper mold 31, the lower mold 33, and the side mold 35 is a cemented carbide material mainly composed of tungsten carbide, silicon carbide, silicon nitride, aluminum nitride, carbon, or the like for pressure molding a glass optical element. It can be used by appropriately selecting from known materials as a molding die. Moreover, what formed protective films, such as various metals, ceramics, and carbon, on the surface of these materials can also be used.
  • the upper mold 31, the lower mold 33, and the side mold 35 may be made of the same material, or may be made of different materials.
  • the pressurizing means is not particularly limited, and any known pressurizing means such as an air cylinder, a hydraulic cylinder, and an electric cylinder using a servo motor can be appropriately selected and used. Either the upper die 31 or the lower die 33 may be driven by the pressurizing means, or both may be driven.
  • the glass material is not particularly limited, and a known glass used for optical applications can be selected and used according to the application.
  • phosphate glass, lanthanum glass, and the like can be given.
  • FIG. 5 is a schematic cross-sectional view showing an example of a molding apparatus that is a glass molded body manufacturing apparatus according to an embodiment of the present invention.
  • the receiving surface (molding surface 33a) of the lower mold 33 of the molding die 3 heated to a predetermined temperature lower than the temperature of the molten glass is melted by the nozzle 71 provided at the lower part of the melting tank 7.
  • Glass 10 is supplied.
  • the melting tank 7 and the nozzle 71 are each heated to a predetermined temperature by a heater (not shown).
  • the lower mold 33 storing the molten glass 10 moved to below the upper mold 31, and the molten glass 10 was pressure-molded with the lower mold 33, the upper mold 32, and the side mold 35, and the respective molding surfaces were transferred. A glass molding is obtained.
  • the rate at which the molten glass 10 is cooled during the molding process differs between the upper surface and the lower surface, or the center and the edge of the molten glass 10, and the amount of shrinkage due to cooling becomes non-uniform.
  • the lower mold 33 after the molten glass 10 has landed at the center of the receiving surface (molding surface 33a), it gradually spreads around the receiving surface as the molten glass 10 is supplied.
  • the amount of shrinkage on the lower surface side of the molten glass 10 tends to be uneven. For this reason, it is difficult to form the lower surface side with high accuracy.
  • the upper surface side of the molten glass 10 has a low cooling action from the lower mold 33, and the upper mold 31 and the side mold 35 are also contacted substantially simultaneously. Therefore, the temperature on the upper surface side of the molten glass 10 is relatively stable, and the optical surface on the upper surface side can be molded with high accuracy. Therefore, in the present invention, the lower surface side of the press-molded glass molded body is finished with high accuracy by machining in a subsequent process.
  • FIG. 2 shows an example of a glass molded body molded using the molding apparatus 6 having such a configuration.
  • FIG. 2 is a schematic cross-sectional view showing an example of the glass molded body 1.
  • the side transfer surface 1e may be formed on the entire side surface of the glass molded body 1, or may be formed only on a part of the side surface.
  • the transfer surface 1a, the transfer surface 1d, the transfer surface 1b, and the transfer surface 1e are also referred to as an aspherical surface 1a, a flat peripheral surface 1d, a convex surface 1b, and a side cylindrical surface 1e, respectively.
  • FIG. 3 is a schematic cross-sectional view showing a schematic configuration of the processing holder 5 according to an example of the embodiment of the present invention.
  • the main part of the processing holder 5 is composed of a chuck 51, a work adapter A53, a work adapter B55, and the like as shown in FIG.
  • the chuck 51 holds the glass molded body 1 (workpiece) with high accuracy via the work adapter A53 and the work adapter B55 mounted on the chuck 51.
  • a known chuck such as a diaphragm chuck can be used.
  • the work adapter A53 corresponds to the glass molded body holding member A in the present invention, and a flat holding surface that holds the glass molded body 1 on the upper surface thereof by contacting the flat peripheral surface 1d of the glass molded body 1 placed thereon. A53a is formed.
  • the holding surface A53a abuts on the peripheral flat surface 1d whose relative positional relationship with the optical axis of the aspherical surface 1a is guaranteed, whereby the inclination of the optical axis of the aspherical surface 1a with respect to the core of the processing holder 5 is regulated.
  • the work adapter B55 corresponds to the glass molded body holding member B in the present invention, and a cylindrical holding surface B55a for holding the glass molded body 1 is formed on the inner surface of the work adapter B55 so as to contact the cylindrical surface 1e of the glass molded body 1.
  • a cylindrical holding surface B55a for holding the glass molded body 1 is formed on the inner surface of the work adapter B55 so as to contact the cylindrical surface 1e of the glass molded body 1.
  • the holding surface B55a comes into contact with the side cylindrical surface 1e that is guaranteed to have a relative positional relationship with the optical axis of the aspheric surface 1a, the deviation of the center of the aspheric surface 1a from the core of the processing holder 5 is restricted.
  • FIG. 4 is a schematic cross-sectional view showing a state where the glass molded body 1 is mounted on the processing holder 5.
  • the peripheral flat surface 1d and the side cylindrical surface 1e which are guaranteed to have a relative positional relationship with the optical axis of the aspherical surface 1a of the glass molded body 1, are brought into contact with the holding surface A53a and the holding surface B55a of the processing holder, respectively. Since the glass molded body 1 is held, the inclination of the optical axis and the deviation of the center of the aspherical surface 1a of the glass molded body 1 with respect to the core of the processing holder 5 are restricted, and as shown in FIG. Is aligned with the core of the processing holder 5, that is, the processing center.
  • the convex surface 1b which is the other surface of the glass molded body 1 is machined, for example, a convex surface (machined surface 1c) as indicated by a broken line.
  • a convex surface machined surface 1c
  • the machining surface 1c is formed in the convex surface, it may be a concave surface, without being limited to a convex surface.
  • machining method known processing methods such as cutting, grinding, and polishing can be used.
  • the optical axis of the aspherical surface 1a of the glass molded body 1 matches the core of the processing holder 5, that is, the processing center. Therefore, by machining the convex surface 1b of the glass molded body 1 in such a state, the optical axis of the convex surface (machined surface 1c) can be easily matched with the optical axis of the aspherical surface 1a.
  • the aspherical surface 1a and the peripheral flat surface 1d on one surface and the side cylindrical surface 1e on the side surface are formed. Since the molding is performed at the same time, the relative positional relationship between the aspherical surface 1a, the peripheral flat surface 1d and the side cylindrical surface 1e is guaranteed. In other words, the relative positional relationship between the optical axis of the aspherical surface 1a, the peripheral flat surface 1d and the side cylindrical surface 1e is guaranteed.
  • the peripheral flat surface 1d and the side cylindrical surface 1e which are thus guaranteed in relative positional relationship with the optical axis of the aspherical surface 1a, are brought into contact with the holding surface A53a and holding surface B55a of the processing holder 5, respectively, to form a glass molded body. 1 is held, the inclination of the optical axis of the aspherical surface 1a of the glass molded body 1 with respect to the core of the processing holder 5 and the deviation of the center are regulated, and the optical axis of the aspherical surface 1a is the core of the processing holder 5, that is, processing. It will match the center.
  • the optical axis of the spherical surface can be easily matched with the optical axis of the aspherical surface.
  • molded is flat like before. Without being limited to a simple surface, it may be a convex surface or a concave surface.
  • the shape of the aspherical surface 1a may be a convex surface or a concave surface. Thereby, the aspherical lens of a desired shape can be manufactured without being limited to the shape of the glass molded body.
  • one optical functional surface of the aspherical lens is an aspherical surface
  • the present invention can also be applied to an aspherical lens in which both optical functional surfaces are aspherical.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

L'invention concerne un procédé de fabrication de lentille asphérique permettant de fabriquer une lentille asphérique présentant une forme désirée avec grande précision quelle que soit la forme d’un compact de verre sans réduire la productivité. Le procédé de fabrication de lentille asphérique permettant de former la lentille asphérique par pressage et usinage d’un matériau de verre comprend une phase de pressage consistant à presser le matériau de verre pour ainsi constituer la surface asphérique, la surface plate du bord périphérique de la surface asphérique, et la surface latérale dans le prolongement de la surface plate dans le même temps et constituer le compact de verre, une phase de montage consistant à monter le compact de verre dans un porte-pièce pour maintenir et positionner le compact de verre au contact de la surface plate et la surface latérale du compact de verre formé lors de la phase de pressage, et une phase d’usinage consistant à usiner l'autre surface du compact de verre monté dans le porte-pièce lors de la phase de montage pour ainsi donner à l’autre surface une forme superficielle prédéterminée.
PCT/JP2009/069362 2008-11-19 2009-11-13 Procédé de fabrication de lentille asphérique WO2010058740A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010539218A JPWO2010058740A1 (ja) 2008-11-19 2009-11-13 非球面レンズの製造方法
US13/128,808 US20110215492A1 (en) 2008-11-19 2009-11-13 Manufacturing method of aspheric surface lens
CN200980145511XA CN102216812A (zh) 2008-11-19 2009-11-13 非球面透镜的制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-295434 2008-11-19
JP2008295434 2008-11-19

Publications (1)

Publication Number Publication Date
WO2010058740A1 true WO2010058740A1 (fr) 2010-05-27

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PCT/JP2009/069362 WO2010058740A1 (fr) 2008-11-19 2009-11-13 Procédé de fabrication de lentille asphérique

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US (1) US20110215492A1 (fr)
JP (1) JPWO2010058740A1 (fr)
CN (1) CN102216812A (fr)
WO (1) WO2010058740A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012254919A (ja) * 2011-05-17 2012-12-27 Hoya Corp レンズブランク、及びその製造方法、並びにレンズの製造方法
WO2015186696A1 (fr) * 2014-06-03 2015-12-10 株式会社ニコン・エシロール Ébauche de lentille, matrice de lentille, procédé de fabrication d'ébauche de lentille, et procédé de fabrication de verre de lunette

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150124445A (ko) * 2013-02-25 2015-11-05 호야 가부시키가이샤 연마용 유리 렌즈 블랭크, 그 제조 방법 및 광학 렌즈의 제조 방법
CN104029095B (zh) * 2014-06-18 2016-08-24 福建华科光电有限公司 一种保证非球面透镜中心偏的加工方法
KR102546859B1 (ko) * 2016-12-27 2023-06-22 미쓰비시 엔지니어링-플라스틱스 코포레이션 성형품 및 성형품의 제조 방법
CN113579917B (zh) * 2019-12-25 2022-05-03 苏州大学 一种离轴非球面镜数控铣磨成形方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61180201A (ja) * 1985-02-06 1986-08-12 Alps Electric Co Ltd ガラスレンズおよびその製造方法
JPH06206156A (ja) * 1993-01-11 1994-07-26 Copal Co Ltd メニスカスレンズの製造方法
JPH08208248A (ja) * 1995-01-25 1996-08-13 Olympus Optical Co Ltd ガラスレンズおよびガラスレンズの成形方法
JP2007091568A (ja) * 2005-09-30 2007-04-12 Hoya Corp ガラスレンズ、ガラスレンズの製造方法、及びモールドプレス成形型

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2886205B2 (ja) * 1989-10-03 1999-04-26 オリンパス光学工業株式会社 研摩用ワークホルダー
JPH072300B2 (ja) * 1989-09-29 1995-01-18 オリンパス光学工業株式会社 レンズ加工方法
JP2001232544A (ja) * 1999-12-17 2001-08-28 Canon Inc 研削・研磨加工用の光学素子保持具
JP2002283203A (ja) * 2001-03-26 2002-10-03 Canon Inc 面取り加工兼用荒摺り複合砥石および光学素子の加工方法
JP2003025204A (ja) * 2001-07-12 2003-01-29 Canon Inc レンズ研磨加工の保持方法、レンズ研磨加工用保持具及びレンズ研磨加工方法
JP4274830B2 (ja) * 2003-03-25 2009-06-10 アルプス電気株式会社 ホルダ付光学素子の製造方法
JP4231315B2 (ja) * 2003-03-25 2009-02-25 アルプス電気株式会社 ホルダ付光学素子の製造方法
JP2005208330A (ja) * 2004-01-22 2005-08-04 Nippon Sheet Glass Co Ltd ホルダ付き成形光学部品およびその製造方法
JP2007091537A (ja) * 2005-09-29 2007-04-12 Hoya Corp 近赤外光吸収ガラス材ロットおよびそれを用いる光学素子の製造方法
JP4124239B2 (ja) * 2006-04-25 2008-07-23 ソニー株式会社 光学素子の成形装置および成形方法
JP2008074636A (ja) * 2006-09-19 2008-04-03 Konica Minolta Opto Inc 光学素子の製造方法及び製造装置
JP4189769B2 (ja) * 2006-10-18 2008-12-03 進展産業株式会社 撮像装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61180201A (ja) * 1985-02-06 1986-08-12 Alps Electric Co Ltd ガラスレンズおよびその製造方法
JPH06206156A (ja) * 1993-01-11 1994-07-26 Copal Co Ltd メニスカスレンズの製造方法
JPH08208248A (ja) * 1995-01-25 1996-08-13 Olympus Optical Co Ltd ガラスレンズおよびガラスレンズの成形方法
JP2007091568A (ja) * 2005-09-30 2007-04-12 Hoya Corp ガラスレンズ、ガラスレンズの製造方法、及びモールドプレス成形型

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012254919A (ja) * 2011-05-17 2012-12-27 Hoya Corp レンズブランク、及びその製造方法、並びにレンズの製造方法
WO2015186696A1 (fr) * 2014-06-03 2015-12-10 株式会社ニコン・エシロール Ébauche de lentille, matrice de lentille, procédé de fabrication d'ébauche de lentille, et procédé de fabrication de verre de lunette
JPWO2015186696A1 (ja) * 2014-06-03 2017-07-13 株式会社ニコン・エシロール レンズブランク、レンズ母型、レンズブランクの製造方法、眼鏡レンズの製造方法

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JPWO2010058740A1 (ja) 2012-04-19
CN102216812A (zh) 2011-10-12
US20110215492A1 (en) 2011-09-08

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