FR2305406B1 - - Google Patents

Info

Publication number
FR2305406B1
FR2305406B1 FR7608258A FR7608258A FR2305406B1 FR 2305406 B1 FR2305406 B1 FR 2305406B1 FR 7608258 A FR7608258 A FR 7608258A FR 7608258 A FR7608258 A FR 7608258A FR 2305406 B1 FR2305406 B1 FR 2305406B1
Authority
FR
France
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
Application number
FR7608258A
Other languages
French (fr)
Other versions
FR2305406A1 (fr
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 Glass Works Ltd
Original Assignee
Hoya Glass Works Ltd
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 JP3461375A external-priority patent/JPS51109009A/ja
Priority claimed from JP6006175A external-priority patent/JPS51135914A/ja
Application filed by Hoya Glass Works Ltd filed Critical Hoya Glass Works Ltd
Publication of FR2305406A1 publication Critical patent/FR2305406A1/fr
Application granted granted Critical
Publication of FR2305406B1 publication Critical patent/FR2305406B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
    • C03C21/005—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to introduce in the glass such metals or metallic ions as Ag, Cu
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/58—Optics for apodization or superresolution; Optical synthetic aperture systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/226—Glass filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
FR7608258A 1975-03-22 1976-03-22 Filtres pour laser presentant un gradient de transmittance a leur peripherie, a base de verre, et leur procede de preparation Granted FR2305406A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3461375A JPS51109009A (en) 1975-03-22 1975-03-22 Sofuto apaachua fuirutaanoseizoho
JP6006175A JPS51135914A (en) 1975-05-20 1975-05-20 Glass softtapertureefilter

Publications (2)

Publication Number Publication Date
FR2305406A1 FR2305406A1 (fr) 1976-10-22
FR2305406B1 true FR2305406B1 (cg-RX-API-DMAC7.html) 1981-08-21

Family

ID=26373435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7608258A Granted FR2305406A1 (fr) 1975-03-22 1976-03-22 Filtres pour laser presentant un gradient de transmittance a leur peripherie, a base de verre, et leur procede de preparation

Country Status (2)

Country Link
US (1) US4065283A (cg-RX-API-DMAC7.html)
FR (1) FR2305406A1 (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160654A (en) * 1977-10-25 1979-07-10 Corning Glass Works Method for making silver-containing glasses exhibiting thermoplastic properties and photosensitivity
FR2504515A1 (fr) * 1981-04-27 1982-10-29 Essilor Int Procede pour l'obtention d'un verre mineral a gradient d'indice, et article, en particulier lentille ophtalmique, en un tel verre
GB2148047B (en) * 1983-10-11 1987-08-05 English Electric Valve Co Ltd Image intensifier faceplates
US5074899A (en) * 1984-07-26 1991-12-24 B.V. Optische Industrie "De Oude Delft" Method for manufacturing an anti-veiling-glare input window for an optical device
US4884870A (en) * 1988-10-17 1989-12-05 Chrysler Motors Corporation Lens structure for a vehicle radio or the like
US4884872A (en) * 1988-10-27 1989-12-05 Chrysler Motors Corporation Lens structure for a combined radio/audio tape cassette player or the like
US5045510A (en) * 1989-11-03 1991-09-03 Alfred University Process for preparing a surface darkened glass
US4944784A (en) * 1989-11-03 1990-07-31 Alfred University Process for preparing a borosilicate glass
US6984058B2 (en) * 2003-06-04 2006-01-10 3M Innovative Properties Company Optical filters comprising opacified portion
US7508589B2 (en) 2007-02-01 2009-03-24 Real D Soft aperture correction for lenticular screens
US20130136909A1 (en) 2011-11-30 2013-05-30 John Christopher Mauro Colored alkali aluminosilicate glass articles
US8734033B2 (en) * 2012-03-27 2014-05-27 Ppg Industries Ohio, Inc. Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same
EP3218317B1 (en) 2014-11-13 2018-10-17 Gerresheimer Glas GmbH Glass forming machine particle filter, a plunger unit, a blow head, a blow head support and a glass forming machine adapted to or comprising said filter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925370A (en) * 1958-06-13 1960-02-16 Beckman Instruments Inc Electrochemical leak structure and method for producing same
US3495963A (en) * 1965-04-13 1970-02-17 Ppg Industries Inc Simultaneous staining and strengthening of glass
US3486808A (en) * 1966-03-14 1969-12-30 Bausch & Lomb Gradient refractive index optical lenses
US3846099A (en) * 1966-06-17 1974-11-05 Owens Illinois Inc Glass-ceramic and process therefor
DE1796148A1 (de) * 1967-12-27 1971-03-04 Corning Glass Works Verfahren zum Bemalen (Farben) von glaskeramischem Material
US3563057A (en) * 1968-08-28 1971-02-16 Bausch & Lomb Method for making multifocal lens
US3873408A (en) * 1969-10-06 1975-03-25 Bausch & Lomb Method of producing a refractive index gradient in glass
FR2140250B1 (cg-RX-API-DMAC7.html) * 1971-06-07 1974-05-31 Labo Electronique Physique
DE2231563C2 (de) * 1972-06-28 1974-07-18 Jenaer Glaswerk Schott & Gen., 6500 Mainz Verfahren zur Herstellung von intensiv braun bis rotbraun gefärbten Glasgegenständen aus Borosilikatglas kleiner Wärmedehnung mittels Silberdiffusionsfarbe
JPS5319208B2 (cg-RX-API-DMAC7.html) * 1972-11-27 1978-06-20
US3802761A (en) * 1972-12-07 1974-04-09 Us Navy Optical waveguide edge coupler using graded index profile
US3888648A (en) * 1972-12-07 1975-06-10 Us Navy Method for forming an optical wave guide coupler
US3940531A (en) * 1973-03-12 1976-02-24 Ppg Industries, Inc. Stain decorated glass-ceramic article
US3843343A (en) * 1973-04-12 1974-10-22 Nippon Electric Glass Co Method of producing a crystallized glass body with surface patterns

Also Published As

Publication number Publication date
FR2305406A1 (fr) 1976-10-22
US4065283A (en) 1977-12-27

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Legal Events

Date Code Title Description
ST Notification of lapse