DE69217178D1 - Optisches Glas und optische Linse damit hergestellt - Google Patents

Optisches Glas und optische Linse damit hergestellt

Info

Publication number
DE69217178D1
DE69217178D1 DE69217178T DE69217178T DE69217178D1 DE 69217178 D1 DE69217178 D1 DE 69217178D1 DE 69217178 T DE69217178 T DE 69217178T DE 69217178 T DE69217178 T DE 69217178T DE 69217178 D1 DE69217178 D1 DE 69217178D1
Authority
DE
Germany
Prior art keywords
optical
lens made
glass
optical lens
optical glass
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.)
Expired - Lifetime
Application number
DE69217178T
Other languages
English (en)
Other versions
DE69217178T2 (de
Inventor
Shizuo Maruyama
Kohei Nakata
Seiichi Shingaki
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69217178D1 publication Critical patent/DE69217178D1/de
Publication of DE69217178T2 publication Critical patent/DE69217178T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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
DE1992617178 1991-11-25 1992-11-24 Optisches Glas und optische Linse damit hergestellt Expired - Lifetime DE69217178T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30932591 1991-11-25

Publications (2)

Publication Number Publication Date
DE69217178D1 true DE69217178D1 (de) 1997-03-13
DE69217178T2 DE69217178T2 (de) 1997-06-12

Family

ID=17991662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992617178 Expired - Lifetime DE69217178T2 (de) 1991-11-25 1992-11-24 Optisches Glas und optische Linse damit hergestellt

Country Status (2)

Country Link
EP (1) EP0544494B1 (de)
DE (1) DE69217178T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5610684B2 (ja) 2008-09-26 2014-10-22 キヤノン株式会社 光学ガラス及び光学素子
CN108341593B (zh) * 2017-12-08 2021-08-24 成都光明光电股份有限公司 光学玻璃

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61232243A (ja) * 1985-04-04 1986-10-16 Ohara Inc 眼鏡用および光学用ガラス
BR8605356A (pt) * 1985-11-29 1987-08-04 Corning Glass Works Vidro para aplicacoes oticas e/ou oftalmicas

Also Published As

Publication number Publication date
EP0544494B1 (de) 1997-01-29
DE69217178T2 (de) 1997-06-12
EP0544494A1 (de) 1993-06-02

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Legal Events

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8364 No opposition during term of opposition
R071 Expiry of right

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