DE3887697T2 - Transparenter polykristalliner gegenstand mit erhöhter ultraviolettdurchlässigkeit, verfahren zur herstellung und anwendung. - Google Patents

Transparenter polykristalliner gegenstand mit erhöhter ultraviolettdurchlässigkeit, verfahren zur herstellung und anwendung.

Info

Publication number
DE3887697T2
DE3887697T2 DE3887697T DE3887697T DE3887697T2 DE 3887697 T2 DE3887697 T2 DE 3887697T2 DE 3887697 T DE3887697 T DE 3887697T DE 3887697 T DE3887697 T DE 3887697T DE 3887697 T2 DE3887697 T2 DE 3887697T2
Authority
DE
Germany
Prior art keywords
production
transparent polycrystalline
ultraviolet transparency
increased ultraviolet
polycrystalline object
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 - Fee Related
Application number
DE3887697T
Other languages
English (en)
Other versions
DE3887697D1 (de
Inventor
Donald Roy
James Hastert
Lawrence Coubrough
Kenneth Green
Aurelio Trujillo
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.)
Coors Porcelain Co
Original Assignee
Coors Porcelain Co
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 US07/047,428 external-priority patent/US5244849A/en
Priority claimed from US07/047,422 external-priority patent/US4930731A/en
Application filed by Coors Porcelain Co filed Critical Coors Porcelain Co
Publication of DE3887697D1 publication Critical patent/DE3887697D1/de
Application granted granted Critical
Publication of DE3887697T2 publication Critical patent/DE3887697T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/42Housings not intimately mechanically associated with radiating elements, e.g. radome
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
    • C04B35/443Magnesium aluminate spinel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE3887697T 1987-05-06 1988-05-04 Transparenter polykristalliner gegenstand mit erhöhter ultraviolettdurchlässigkeit, verfahren zur herstellung und anwendung. Expired - Fee Related DE3887697T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4740387A 1987-05-06 1987-05-06
US07/047,428 US5244849A (en) 1987-05-06 1987-05-06 Method for producing transparent polycrystalline body with high ultraviolet transmittance
US07/047,422 US4930731A (en) 1987-05-06 1987-05-06 Dome and window for missiles and launch tubes with high ultraviolet transmittance
PCT/US1988/001496 WO1988008829A2 (en) 1987-05-05 1988-05-04 Transparent polycrystalline body with high ultraviolet transmittance, process for making, and applications thereof
CA000572399A CA1325511C (en) 1987-05-06 1988-07-19 Transparent polycrystalline body with high ultraviolet transmittance, process for making and applications thereof

Publications (2)

Publication Number Publication Date
DE3887697D1 DE3887697D1 (de) 1994-03-17
DE3887697T2 true DE3887697T2 (de) 1994-05-11

Family

ID=27426559

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887697T Expired - Fee Related DE3887697T2 (de) 1987-05-06 1988-05-04 Transparenter polykristalliner gegenstand mit erhöhter ultraviolettdurchlässigkeit, verfahren zur herstellung und anwendung.

Country Status (5)

Country Link
EP (1) EP0447390B1 (de)
AU (1) AU2428688A (de)
CA (1) CA1325511C (de)
DE (1) DE3887697T2 (de)
WO (1) WO1988008829A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332393B1 (de) * 1988-03-09 1994-06-22 Sumitomo Electric Industries, Ltd. Verfahren zur Herstellung eines lichtdurchlässigen Körpers aus gesintertem Spinell
DE102004004259B3 (de) 2004-01-23 2005-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transparente polykristalline Sinterkeramik kubischer Kristallstruktur
EP1820050A1 (de) * 2004-12-09 2007-08-22 Carl Zeiss SMT AG Optisches sendeelement und objektiv für eine belichtungsvorrichtung für mikrolithographische projektionen
JP2010514173A (ja) 2006-12-21 2010-04-30 カール・ツァイス・エスエムティー・アーゲー 透過性光学素子
DE102009055987B4 (de) 2009-11-20 2018-10-18 Schott Ag Spinell-Optokeramiken
DE102009055984A1 (de) 2009-11-20 2011-06-09 Schott Ag Gefärbte Spinell-Optokeramiken
JP7228793B2 (ja) * 2019-06-07 2023-02-27 パナソニックIpマネジメント株式会社 波長変換デバイス

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531308A (en) * 1894-12-25 Harrow
US3530209A (en) * 1966-03-17 1970-09-22 Westinghouse Electric Corp Method for forming magnesium aluminate spinel bodies
US3531308A (en) * 1967-10-09 1970-09-29 Corning Glass Works Transparent spinel body
US3974249A (en) * 1970-09-16 1976-08-10 Coors Porcelain Company Method for manufacturing a transparent ceramic body
US3768990A (en) * 1972-08-25 1973-10-30 Coors Porcelain Co Method for making heat resistant transparent optical elements
US3875277A (en) * 1973-07-30 1975-04-01 Westinghouse Electric Corp Method for making polycrystalline alumina arc tubes
US3950504A (en) * 1974-09-26 1976-04-13 Quigley Company, Inc. Process for producing magnesium aluminate spinel
US4171400A (en) * 1976-01-15 1979-10-16 The Harshaw Chemical Company Shaped press-forged normally frangible inorganic crystals
JPS5527837A (en) * 1978-08-14 1980-02-28 Ngk Insulators Ltd Polycrystal transparent spinel sintered article and its manufacture
JPS59121158A (ja) * 1982-12-27 1984-07-13 日本碍子株式会社 多結晶透明スピネル焼結体の製造法

Also Published As

Publication number Publication date
CA1325511C (en) 1993-12-28
EP0447390B1 (de) 1994-02-02
AU2428688A (en) 1988-12-06
DE3887697D1 (de) 1994-03-17
EP0447390A4 (en) 1991-12-11
EP0447390A1 (de) 1991-09-25
WO1988008829A3 (en) 1989-01-26
WO1988008829A2 (en) 1988-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee