US20050054511A1 - Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element - Google Patents

Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element Download PDF

Info

Publication number
US20050054511A1
US20050054511A1 US10/929,726 US92972604A US2005054511A1 US 20050054511 A1 US20050054511 A1 US 20050054511A1 US 92972604 A US92972604 A US 92972604A US 2005054511 A1 US2005054511 A1 US 2005054511A1
Authority
US
United States
Prior art keywords
preform
glass
precision press
molding
bao
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.)
Abandoned
Application number
US10/929,726
Other languages
English (en)
Inventor
Yasuhiro Fujiwara
Xuelu Zou
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.)
Hoya Corp
Original Assignee
Hoya 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 Hoya Corp filed Critical Hoya Corp
Assigned to HOYA CORPORATION reassignment HOYA CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUJIWARA, YASUHIRO, ZOU, XUELU
Publication of US20050054511A1 publication Critical patent/US20050054511A1/en
Priority to US12/078,556 priority Critical patent/US7618909B2/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/10—Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
    • C03B7/12—Cutting-off or severing a free-hanging glass stream, e.g. by the combination of gravity and surface tension forces
    • 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
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/122—Heating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/16—Silica-free oxide glass compositions containing phosphorus
    • C03C3/17—Silica-free oxide glass compositions containing phosphorus containing aluminium or beryllium
    • 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
US10/929,726 2003-09-04 2004-08-31 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element Abandoned US20050054511A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/078,556 US7618909B2 (en) 2003-09-04 2008-04-01 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-312576 2003-09-04
JP2003312576A JP4744795B2 (ja) 2003-09-04 2003-09-04 精密プレス成形用プリフォームおよびその製造方法並びに光学素子およびその製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/078,556 Continuation US7618909B2 (en) 2003-09-04 2008-04-01 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element

Publications (1)

Publication Number Publication Date
US20050054511A1 true US20050054511A1 (en) 2005-03-10

Family

ID=34225110

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/929,726 Abandoned US20050054511A1 (en) 2003-09-04 2004-08-31 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element
US12/078,556 Expired - Fee Related US7618909B2 (en) 2003-09-04 2008-04-01 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/078,556 Expired - Fee Related US7618909B2 (en) 2003-09-04 2008-04-01 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element

Country Status (3)

Country Link
US (2) US20050054511A1 (ja)
JP (1) JP4744795B2 (ja)
CN (1) CN100376500C (ja)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040082460A1 (en) * 2002-07-05 2004-04-29 Hoya Corporation Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass
US20040138043A1 (en) * 2002-12-27 2004-07-15 Yoshiko Kasuga Optical glass, preform for press molding and optical element
US20060111231A1 (en) * 2004-09-10 2006-05-25 Ritter Simone M Use of lead-free and phosphate-containing glasses in a precision moulding process
US20060128549A1 (en) * 2004-12-09 2006-06-15 B.G. Negev Technologies And Applications Ltd. Lead-free phosphate glasses
US20070060464A1 (en) * 2005-09-14 2007-03-15 Hoya Corporation Optical glass, precision press-molding preform and optical element
US20070111875A1 (en) * 2005-09-30 2007-05-17 Hoya Corporation Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same
DE102006047783A1 (de) * 2006-10-06 2008-04-10 Schott Ag Fluorfreies optisches Glas
US20080132400A1 (en) * 2006-12-05 2008-06-05 Hoya Corporation Optical glass and optical element
US20090314033A1 (en) * 2006-03-31 2009-12-24 Hoya Corporation Glass material for mold pressing and method for manufacturing optical glass element
US20100165454A1 (en) * 2005-08-08 2010-07-01 Isuzu Glass Co., Ltd. Method for Manufacturing Gradient-Index Optical Element Having Infrared Absorbing Ability
US20100292066A1 (en) * 2006-03-31 2010-11-18 Xuelu Zou Glass material for mold pressing, method for manufacturing same, and method for manufacturing optical glass element
US20120111061A1 (en) * 2010-10-26 2012-05-10 Hoya Corporation Production of fluorophosphate optical glass, and production of optical element
US20130222894A1 (en) * 2012-02-29 2013-08-29 Hon Hai Precision Industry Co., Ltd. Infrared absorbing filter and lens module having same
US20130327094A1 (en) * 2012-06-07 2013-12-12 Canon Kabushiki Kaisha Method for manufacturing optical element
US9169153B2 (en) 2012-05-07 2015-10-27 Nippon Electric Glass Co., Ltd. Optical glass and optical element
US9988299B2 (en) * 2014-01-16 2018-06-05 Cdgm Glass Co., Ltd Glass composition

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7598189B2 (en) * 2004-09-29 2009-10-06 Hoya Corporation Phosphate optical glass, preform for precision press molding and manufacturing method of the same, optical element and manufacturing method of the same
JP2008051877A (ja) * 2006-08-22 2008-03-06 Matsushita Electric Ind Co Ltd マイクロレンズ、撮像装置及び携帯端末装置
JP5298695B2 (ja) * 2008-08-06 2013-09-25 コニカミノルタ株式会社 光学ガラス及び光学素子
JP5672665B2 (ja) * 2009-05-22 2015-02-18 コニカミノルタ株式会社 光学ガラス
MY169095A (en) * 2009-12-29 2019-02-18 Hoya Corp Manufacturing method of glass substrate for magnetic disk and sheet glass material for magnetic disk
JP2010189269A (ja) * 2010-04-02 2010-09-02 Hoya Corp 光学ガラス、精密プレス成形用プリフォームおよび光学素子
JP5760789B2 (ja) * 2010-08-06 2015-08-12 旭硝子株式会社 光学ガラス
TWI402239B (zh) * 2010-08-19 2013-07-21 Univ Nat United Optical glass and heated optical glass of oxygen furnace
JP5748997B2 (ja) * 2010-12-24 2015-07-15 日本山村硝子株式会社 光学ガラス
DE102012103077B4 (de) * 2012-04-10 2017-06-22 Schott Ag Infrarot-absorbierender Glas-Wafer und Verfahren zu dessen Herstellung
DE102012103076B4 (de) 2012-04-10 2020-08-06 Schott Ag Linsensystem für ein Kameramodul mit Infrarotfilter und Kameramodul mit einem Linsensystem sowie Verfahren zur Herstellung eines Linsensystems
US9359244B2 (en) 2013-05-21 2016-06-07 Colorado School Of Mines Alumina-rich glasses and methods for making the same
CN103524021B (zh) * 2013-10-28 2015-09-09 湖南长步道光学科技有限公司 一种玻璃精密模压的非球面镜片的制造方法
JP6771811B2 (ja) * 2014-10-29 2020-10-21 株式会社オハラ 光学ガラス、プリフォーム及び光学素子
EP3233448B1 (en) 2014-12-17 2019-09-18 Novartis AG Methods of using reusable lens molds
JP6668750B2 (ja) * 2015-12-28 2020-03-18 Ａｇｃ株式会社 近赤外線カットフィルタ
US10969560B2 (en) 2017-05-04 2021-04-06 Lightpath Technologies, Inc. Integrated optical assembly and manufacturing the same
MX2021005663A (es) 2018-11-26 2021-07-07 Owens Corning Intellectual Capital Llc Composicion de fibra de vidrio de alto rendimiento con modulo especifico mejorado.
DK3887329T3 (da) 2018-11-26 2024-04-29 Owens Corning Intellectual Capital Llc Højydelsesglasfibersammensætning med forbedret elasticitetskoefficient
CN111574031B (zh) * 2020-04-24 2022-09-13 湖北新华光信息材料有限公司 一种光学玻璃精密模压生产装置

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202700A (en) * 1979-05-02 1980-05-13 The United States Of America As Represented By The United States Department Of Energy Glassy composition for hermetic seals
US4455384A (en) * 1982-12-08 1984-06-19 The United States Of America As Represented By The United States Department Of Energy Chemically durable nitrogen containing phosphate glasses useful for sealing to metals
US4615989A (en) * 1984-04-18 1986-10-07 Schott Glaswerke Optical quality colored glass
US4940677A (en) * 1988-10-17 1990-07-10 Corning Incorporated Zinc-containing phosphate glasses
US5071795A (en) * 1991-01-09 1991-12-10 Corning Incorporated Alkali zinc halophosphate glasses
US5153151A (en) * 1991-05-06 1992-10-06 Corning Incorporated High index fluorine-free phosphate glasses
US5234871A (en) * 1991-11-27 1993-08-10 Schott Glass Technologies, Inc. Vanadium- and copper-containing glasses for use as filters for light sources intended for use with night vision devices
US5256604A (en) * 1992-04-24 1993-10-26 Corning Incorporated Low melting, durable phosphate glasses
US5286683A (en) * 1992-11-05 1994-02-15 Corning Incorporated Alkali metal, copper phosphate glasses
US5330940A (en) * 1992-07-06 1994-07-19 Corning Incorporated Fiberizable zinc-phosphate glass compositions
US5529961A (en) * 1994-12-30 1996-06-25 Corning Incorporated Cuprous pyrophosphate glasses
US5668066A (en) * 1995-07-24 1997-09-16 Hoya Corporation Near infrared absorption filter glass
US6093484A (en) * 1997-04-04 2000-07-25 Hoya Corporation Method for the production of glass product
US6225244B1 (en) * 1998-01-21 2001-05-01 Hoya Corporation Glass for near absorption filter and near infrared absorption filter to which the glass is applied
US20040138043A1 (en) * 2002-12-27 2004-07-15 Yoshiko Kasuga Optical glass, preform for press molding and optical element

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5915102B2 (ja) * 1979-03-07 1984-04-07 東芝硝子株式会社 近赤外カツトフイルタガラス
JPS57149845A (en) * 1981-03-09 1982-09-16 Ohara Inc Filter glass for absorbing near infrared ray
JPS60122749A (ja) * 1983-12-02 1985-07-01 Hoya Corp 光学ガラス
JPH04104918A (ja) 1990-08-23 1992-04-07 Asahi Glass Co Ltd 近赤外吸収ガラス
US5122484A (en) * 1991-05-23 1992-06-16 Corning Incorporated Zinc phosphate low temperature glasses
JP3835718B2 (ja) * 1998-03-20 2006-10-18 Ｈｏｙａ株式会社 精密成形用リン酸塩ガラス、それを用いた光学素子および光学素子の製造方法
JP2000281381A (ja) * 1999-03-31 2000-10-10 Ferro Enamels Japan Ltd 銅イオンあるいは金属銅微粒子分散ガラスとその製造方法
CN1164514C (zh) * 2001-10-30 2004-09-01 华东理工大学 一类矿化水、杀菌用磷酸盐玻璃

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202700A (en) * 1979-05-02 1980-05-13 The United States Of America As Represented By The United States Department Of Energy Glassy composition for hermetic seals
US4455384A (en) * 1982-12-08 1984-06-19 The United States Of America As Represented By The United States Department Of Energy Chemically durable nitrogen containing phosphate glasses useful for sealing to metals
US4615989A (en) * 1984-04-18 1986-10-07 Schott Glaswerke Optical quality colored glass
US4940677A (en) * 1988-10-17 1990-07-10 Corning Incorporated Zinc-containing phosphate glasses
US5071795A (en) * 1991-01-09 1991-12-10 Corning Incorporated Alkali zinc halophosphate glasses
US5153151A (en) * 1991-05-06 1992-10-06 Corning Incorporated High index fluorine-free phosphate glasses
US5234871A (en) * 1991-11-27 1993-08-10 Schott Glass Technologies, Inc. Vanadium- and copper-containing glasses for use as filters for light sources intended for use with night vision devices
US5256604A (en) * 1992-04-24 1993-10-26 Corning Incorporated Low melting, durable phosphate glasses
US5330940A (en) * 1992-07-06 1994-07-19 Corning Incorporated Fiberizable zinc-phosphate glass compositions
US5286683A (en) * 1992-11-05 1994-02-15 Corning Incorporated Alkali metal, copper phosphate glasses
US5529961A (en) * 1994-12-30 1996-06-25 Corning Incorporated Cuprous pyrophosphate glasses
US5668066A (en) * 1995-07-24 1997-09-16 Hoya Corporation Near infrared absorption filter glass
US6093484A (en) * 1997-04-04 2000-07-25 Hoya Corporation Method for the production of glass product
US6225244B1 (en) * 1998-01-21 2001-05-01 Hoya Corporation Glass for near absorption filter and near infrared absorption filter to which the glass is applied
US20040138043A1 (en) * 2002-12-27 2004-07-15 Yoshiko Kasuga Optical glass, preform for press molding and optical element
US7157391B2 (en) * 2002-12-27 2007-01-02 Hoya Corporation Optical glass, preform for press molding and optical element

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7192897B2 (en) * 2002-07-05 2007-03-20 Hoya Corporation Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass
US20040082460A1 (en) * 2002-07-05 2004-04-29 Hoya Corporation Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass
US20040138043A1 (en) * 2002-12-27 2004-07-15 Yoshiko Kasuga Optical glass, preform for press molding and optical element
US7157391B2 (en) * 2002-12-27 2007-01-02 Hoya Corporation Optical glass, preform for press molding and optical element
US20060111231A1 (en) * 2004-09-10 2006-05-25 Ritter Simone M Use of lead-free and phosphate-containing glasses in a precision moulding process
US8008220B2 (en) 2004-09-10 2011-08-30 Schott Ag Use of lead-free and phosphate-containing glasses in a precision moulding process
US20060128549A1 (en) * 2004-12-09 2006-06-15 B.G. Negev Technologies And Applications Ltd. Lead-free phosphate glasses
US7435695B2 (en) * 2004-12-09 2008-10-14 B.G. Negev Technologies And Applications Ltd. Lead-free phosphate glasses
US20100165454A1 (en) * 2005-08-08 2010-07-01 Isuzu Glass Co., Ltd. Method for Manufacturing Gradient-Index Optical Element Having Infrared Absorbing Ability
US20070060464A1 (en) * 2005-09-14 2007-03-15 Hoya Corporation Optical glass, precision press-molding preform and optical element
US8261579B2 (en) 2005-09-14 2012-09-11 Hoya Corporation Optical glass, precision press-molding preform and optical element
US8158541B2 (en) 2005-09-14 2012-04-17 Hoya Corporation Optical glass, precision press-molding preform and optical element
US20070111875A1 (en) * 2005-09-30 2007-05-17 Hoya Corporation Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same
US7799714B2 (en) * 2005-09-30 2010-09-21 Hoya Corporation Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same
US8206830B2 (en) * 2006-03-31 2012-06-26 Hoya Corporation Glass material for mold pressing and method for manufacturing optical glass element
US20100292066A1 (en) * 2006-03-31 2010-11-18 Xuelu Zou Glass material for mold pressing, method for manufacturing same, and method for manufacturing optical glass element
US8703295B2 (en) * 2006-03-31 2014-04-22 Hoya Corporation Glass material for mold pressing, method for manufacturing same, and method for manufacturing optical glass element
US20090314033A1 (en) * 2006-03-31 2009-12-24 Hoya Corporation Glass material for mold pressing and method for manufacturing optical glass element
US8114796B2 (en) 2006-10-06 2012-02-14 Schott Ag Fluorine-free optical glass
DE102006047783A1 (de) * 2006-10-06 2008-04-10 Schott Ag Fluorfreies optisches Glas
US20080132400A1 (en) * 2006-12-05 2008-06-05 Hoya Corporation Optical glass and optical element
US7989377B2 (en) * 2006-12-05 2011-08-02 Hoya Corporation Optical glass and optical element
US20120111061A1 (en) * 2010-10-26 2012-05-10 Hoya Corporation Production of fluorophosphate optical glass, and production of optical element
US8769991B2 (en) * 2010-10-26 2014-07-08 Hoya Corporation Production of fluorophosphate optical glass, and production of optical element
US20130222894A1 (en) * 2012-02-29 2013-08-29 Hon Hai Precision Industry Co., Ltd. Infrared absorbing filter and lens module having same
US8623775B2 (en) * 2012-02-29 2014-01-07 Hon Hai Precision Industry Co., Ltd. Infrared absorbing filter and lens module having same
US9169153B2 (en) 2012-05-07 2015-10-27 Nippon Electric Glass Co., Ltd. Optical glass and optical element
US20130327094A1 (en) * 2012-06-07 2013-12-12 Canon Kabushiki Kaisha Method for manufacturing optical element
US9580346B2 (en) * 2012-06-07 2017-02-28 Canon Kabushiki Kaisha Method for manufacturing optical element
US9988299B2 (en) * 2014-01-16 2018-06-05 Cdgm Glass Co., Ltd Glass composition

Also Published As

Publication number Publication date
US7618909B2 (en) 2009-11-17
JP2005082406A (ja) 2005-03-31
CN1590332A (zh) 2005-03-09
US20080187737A1 (en) 2008-08-07
JP4744795B2 (ja) 2011-08-10
CN100376500C (zh) 2008-03-26

Similar Documents

Publication Publication Date Title
US7618909B2 (en) Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element
US8609560B2 (en) Optical glass, preform for precision press molding, optical element, and method for manufacturing optical element
US7560405B2 (en) Optical glass for precision press molding, preform for precision press molding, and process for the production thereof
JP4286652B2 (ja) 光学ガラス、プレス成形用ガラスゴブおよび光学素子
US8592332B2 (en) Optical glass, preform for precision press molding, optical element, method for manufacturing optical element
US6912093B2 (en) Optical glass, press-molding glass gob and optical element
KR101339595B1 (ko) 광학 유리, 정밀 프레스 성형용 프리폼, 광학 소자, 이들의 제조 방법
US7502175B2 (en) Aspherical lens and process for the production thereof
US7994082B2 (en) Preforms for precision press molding, optical elements, and methods of manufacturing the same
US8575048B2 (en) Optical glass, precision press-molding preform, optical element and process for producing the same
JP4562041B2 (ja) 光学ガラス、プレス成形用ガラスゴブおよび光学素子
EP2374764B1 (en) Optical glass, preform for precision press molding, optical element, methods for manufacturing the same, and image pickup device
US20090247388A1 (en) Fluorophosphate glass, glass material for press molding, optical element blank, optical element and methods of manufacturing the same
JP5926479B2 (ja) 光学ガラス、プレス成形用ガラスゴブおよび光学素子
KR101508781B1 (ko) 광학 글래스, 정밀 프레스 성형용 프리폼 및 그 제조 방법,광학 소자 및 그 제조 방법
US7538051B2 (en) Optical glass, preform for press molding and optical element
JP2004161506A (ja) 光学ガラス、プレス成形用ガラス成形体および光学素子
CN112174517B (zh) 光学玻璃及光学元件
CN114853338A (zh) 低熔点玻璃
JP4691056B2 (ja) 光学ガラス、精密プレス成形用プリフォーム及びその製造方法、光学素子及びその製造方法
JP7409629B2 (ja) 光学ガラス、精密プレス成形用プリフォーム、及び光学素子
WO2023136085A1 (ja) 光学ガラス、精密プレス成形用プリフォーム、及び光学素子

Legal Events

Date Code Title Description
AS Assignment

Owner name: HOYA CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FUJIWARA, YASUHIRO;ZOU, XUELU;REEL/FRAME:015970/0864

Effective date: 20040913

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION