DE69004103T2 - Verfahren zur Herstellung eines optischen Gegenstandes aus Glas. - Google Patents

Verfahren zur Herstellung eines optischen Gegenstandes aus Glas.

Info

Publication number
DE69004103T2
DE69004103T2 DE1990604103 DE69004103T DE69004103T2 DE 69004103 T2 DE69004103 T2 DE 69004103T2 DE 1990604103 DE1990604103 DE 1990604103 DE 69004103 T DE69004103 T DE 69004103T DE 69004103 T2 DE69004103 T2 DE 69004103T2
Authority
DE
Germany
Prior art keywords
glass
production
object made
optical object
optical
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
DE1990604103
Other languages
English (en)
Other versions
DE69004103D1 (de
Inventor
Hideto Monji
Kiyoshi Kuribayashi
Makoto Umetani
Noriyuki Kawata
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.)
Panasonic Corp
Sumita Optical Glass Inc
Original Assignee
Matsushita Electric Industrial Co Ltd
Sumita Optical Glass 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
Priority claimed from JP1007249A external-priority patent/JPH0696458B2/ja
Priority claimed from JP4762989A external-priority patent/JPH02225324A/ja
Priority claimed from JP1080371A external-priority patent/JPH0624989B2/ja
Application filed by Matsushita Electric Industrial Co Ltd, Sumita Optical Glass Inc filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69004103D1 publication Critical patent/DE69004103D1/de
Application granted granted Critical
Publication of DE69004103T2 publication Critical patent/DE69004103T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C03B11/086—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor of coated dies
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/08—Coated press-mould dies
    • C03B2215/10—Die base materials
    • C03B2215/12—Ceramics or cermets, e.g. cemented WC, Al2O3 or TiC
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/08—Coated press-mould dies
    • C03B2215/14—Die top coat materials, e.g. materials for the glass-contacting layers
    • C03B2215/16—Metals or alloys, e.g. Ni-P, Ni-B, amorphous metals
    • C03B2215/17—Metals or alloys, e.g. Ni-P, Ni-B, amorphous metals comprising one or more of the noble meals, i.e. Ag, Au, platinum group metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/86—Linear series of multiple press moulds

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
DE1990604103 1989-01-13 1990-01-03 Verfahren zur Herstellung eines optischen Gegenstandes aus Glas. Expired - Lifetime DE69004103T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1007249A JPH0696458B2 (ja) 1989-01-13 1989-01-13 光学ガラス成形体およびその成形方法
JP4762989A JPH02225324A (ja) 1989-02-28 1989-02-28 光学ガラス素子の製造方法並びにその方法に用いる製造装置
JP1080371A JPH0624989B2 (ja) 1989-03-30 1989-03-30 光学ガラス素子の製造方法およびその製造方法に用いる製造装置

Publications (2)

Publication Number Publication Date
DE69004103D1 DE69004103D1 (de) 1993-12-02
DE69004103T2 true DE69004103T2 (de) 1994-03-24

Family

ID=27277531

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990604103 Expired - Lifetime DE69004103T2 (de) 1989-01-13 1990-01-03 Verfahren zur Herstellung eines optischen Gegenstandes aus Glas.

Country Status (2)

Country Link
EP (1) EP0378292B1 (de)
DE (1) DE69004103T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5322541A (en) * 1991-03-28 1994-06-21 Matsushita Electric Industrial Co., Ltd. Method of producing glass blank
EP0573020B1 (de) * 1992-06-04 1998-01-14 Matsushita Electric Industrial Co., Ltd. Verfahren zum Herstellen von Glasgegenständen
CN1244508C (zh) * 1998-12-09 2006-03-08 Hoya株式会社 挤压模制玻璃制品的方法及其装置
US7159420B2 (en) 2003-04-15 2007-01-09 Umicore Sa System and method for forming infrared glass optical components
US7159419B2 (en) 2003-04-15 2007-01-09 Umicore Sa System and method for vapor pressure controlled growth of infrared chalcogenide glasses
US7171827B2 (en) 2003-04-15 2007-02-06 Umicore Sa System and method for automated casting of infrared glass optical components

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE855763C (de) * 1950-03-31 1952-11-17 Saint Gobain Verfahren und Einrichtung zur Herstellung von Pressglasgegenstaenden
US4685948A (en) * 1985-02-08 1987-08-11 Matsushita Electric Industrial Co., Ltd. Mold for press-molding glass optical elements and a molding method using the same

Also Published As

Publication number Publication date
EP0378292A1 (de) 1990-07-18
DE69004103D1 (de) 1993-12-02
EP0378292B1 (de) 1993-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

Owner name: SUMITA OPTICAL GLASS, INC., TOKIO/TOKYO, JP