TW200635866A - Preform for optical element - Google Patents

Preform for optical element

Info

Publication number
TW200635866A
TW200635866A TW094144076A TW94144076A TW200635866A TW 200635866 A TW200635866 A TW 200635866A TW 094144076 A TW094144076 A TW 094144076A TW 94144076 A TW94144076 A TW 94144076A TW 200635866 A TW200635866 A TW 200635866A
Authority
TW
Taiwan
Prior art keywords
face
preform
top surface
concave face
exhibits
Prior art date
Application number
TW094144076A
Other languages
English (en)
Other versions
TWI389853B (zh
Inventor
Futoshi Ishizaki
Shigeki Fukuda
Kenji Sugisaki
Original Assignee
Ohara Kk
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 Ohara Kk filed Critical Ohara Kk
Publication of TW200635866A publication Critical patent/TW200635866A/zh
Application granted granted Critical
Publication of TWI389853B publication Critical patent/TWI389853B/zh

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C03B40/04—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it using gas
    • 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
    • C03B2215/47—Bi-concave
    • 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
    • C03B2215/48—Convex-concave
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
TW094144076A 2004-12-13 2005-12-13 光學元件用預成形體 TWI389853B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004359591 2004-12-13
JP2005047276 2005-02-23
JP2005187810A JP2006265087A (ja) 2004-12-13 2005-06-28 光学素子用プリフォーム

Publications (2)

Publication Number Publication Date
TW200635866A true TW200635866A (en) 2006-10-16
TWI389853B TWI389853B (zh) 2013-03-21

Family

ID=35708413

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094144076A TWI389853B (zh) 2004-12-13 2005-12-13 光學元件用預成形體

Country Status (6)

Country Link
US (2) US8003186B2 (zh)
JP (1) JP2006265087A (zh)
KR (1) KR101176586B1 (zh)
DE (1) DE112005002994T5 (zh)
TW (1) TWI389853B (zh)
WO (1) WO2006064888A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5414222B2 (ja) * 2007-09-25 2014-02-12 Ｈｏｙａ株式会社 精密プレス成形用プリフォーム及び光学素子の製造方法
KR101533113B1 (ko) * 2007-09-25 2015-07-01 호야 가부시키가이샤 정밀 프레스 성형용 프리폼, 성형형, 이 성형형을 이용하는 글래스 성형체의 제조 방법 및 광학 소자의 제조 방법
JP5657226B2 (ja) * 2009-09-24 2015-01-21 株式会社オハラ ガラス成形体の製造方法
DE102013215422B4 (de) * 2013-08-06 2022-02-24 Olympus Winter & Ibe Gmbh Optisches System eines Stereo-Videoendoskops mit seitlicher Blickrichtung und Stereo-Videoendoskop mit seitlicher Blickrichtung
CN105684409B (zh) 2013-10-25 2019-08-13 微软技术许可有限责任公司 在视频和图像编码和解码中使用散列值来表示各块
EP3061253A4 (en) 2013-10-25 2016-08-31 Microsoft Technology Licensing Llc PAIRING OF BLOCKS BY HASHING VIDEO AND IMAGE CODING
KR102185245B1 (ko) * 2014-03-04 2020-12-01 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 해시 기반 블록 매칭을 위한 해시 테이블 구성 및 이용가능성 검사
US10368092B2 (en) 2014-03-04 2019-07-30 Microsoft Technology Licensing, Llc Encoder-side decisions for block flipping and skip mode in intra block copy prediction
CN105706450B (zh) 2014-06-23 2019-07-16 微软技术许可有限责任公司 根据基于散列的块匹配的结果的编码器决定
CN110582001B (zh) 2014-09-30 2022-10-14 微软技术许可有限责任公司 用于视频编码的基于散列的编码器判定
US10390039B2 (en) 2016-08-31 2019-08-20 Microsoft Technology Licensing, Llc Motion estimation for screen remoting scenarios
US11095877B2 (en) 2016-11-30 2021-08-17 Microsoft Technology Licensing, Llc Local hash-based motion estimation for screen remoting scenarios
DE102017213070A1 (de) * 2017-07-28 2019-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung einer MEMS Spiegelanordnung und MEMS Spiegelanordnung
US11202085B1 (en) 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60145919A (ja) * 1983-12-29 1985-08-01 Ohara Inc 高精度ガラス成形品のプレス成形方法
JPS63319218A (ja) * 1987-06-19 1988-12-27 Canon Inc 光学素子製造方法
JPH03146427A (ja) 1989-10-31 1991-06-21 Olympus Optical Co Ltd ガラス光学素子の成形方法および成形型と成形用プリフォーム
JPH0412034A (ja) * 1990-04-27 1992-01-16 Olympus Optical Co Ltd 光学素子の成形方法
JP2790547B2 (ja) * 1991-03-28 1998-08-27 松下電器産業株式会社 ガラス素材製造方法
JPH0517165A (ja) * 1991-07-03 1993-01-26 Canon Inc 光学素子の製造方法
JP3153827B2 (ja) * 1992-01-24 2001-04-09 オリンパス光学工業株式会社 光学素子成形用型
JP3163713B2 (ja) 1992-01-31 2001-05-08 ソニー株式会社 両凹面ガラスプレスレンズ用成形予備材及び両凹面ガラスプレスレンズの製造方法
FR2690434B1 (fr) * 1992-04-23 1994-11-18 Corning Inc Procédé et machine pour le formage de lentilles optiques asphériques en verre dont l'une des surfaces est convexe et l'autre concave.
JPH05301723A (ja) * 1992-04-28 1993-11-16 Asahi Optical Co Ltd 光学素子の成形方法
JP3149150B2 (ja) * 1993-08-31 2001-03-26 キヤノン株式会社 光学素子の製造方法およびガラスレンズ、そのブランク材の成形方法
JPH07165431A (ja) * 1993-12-14 1995-06-27 Ohara Inc ゴブの成形方法及びそれに用いられる成形装置
JPH0840726A (ja) * 1994-07-28 1996-02-13 Canon Inc 成形用ガラス素材の形成装置
JP3614902B2 (ja) 1994-12-07 2005-01-26 オリンパス株式会社 ガラス成形レンズ用プリフォーム及びその製造方法
JPH0912318A (ja) * 1995-06-26 1997-01-14 Canon Inc 光学ガラス素子のプレス成形方法
JP2001158627A (ja) * 1999-12-02 2001-06-12 Canon Inc 光学ガラス素子の成形方法及び成形用ガラス素材
JP2001278630A (ja) * 2000-03-30 2001-10-10 Olympus Optical Co Ltd 光学素子成形方法と、成形用素材と、成形用素材のホルダ
FR2819897B1 (fr) * 2001-01-23 2004-01-02 Essilor Int Preforme de lentille ophtalmique
JP2002234738A (ja) * 2001-02-01 2002-08-23 Canon Inc 予備成形ガラス素材の製造方法及び予備成形ガラス素材

Also Published As

Publication number Publication date
US20110281056A1 (en) 2011-11-17
US8003186B2 (en) 2011-08-23
WO2006064888A1 (en) 2006-06-22
JP2006265087A (ja) 2006-10-05
TWI389853B (zh) 2013-03-21
US20080081206A1 (en) 2008-04-03
KR101176586B1 (ko) 2012-08-23
KR20070089714A (ko) 2007-08-31
DE112005002994T5 (de) 2007-10-25
US8420200B2 (en) 2013-04-16

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees