BE868685A - Corps fritte en alumine polycristalline et procede de fabrication d'un tel corps - Google Patents
Corps fritte en alumine polycristalline et procede de fabrication d'un tel corpsInfo
- Publication number
- BE868685A BE868685A BE189029A BE189029A BE868685A BE 868685 A BE868685 A BE 868685A BE 189029 A BE189029 A BE 189029A BE 189029 A BE189029 A BE 189029A BE 868685 A BE868685 A BE 868685A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacturing
- polycrystalline alumina
- sintered polycrystalline
- sintered
- alumina body
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped 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 aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/115—Translucent or transparent products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/302—Vessels; Containers characterised by the material of the vessel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77675877A | 1977-03-11 | 1977-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE868685A true BE868685A (fr) | 1978-11-03 |
Family
ID=25108290
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE189029A BE868685A (fr) | 1977-03-11 | 1978-07-03 | Corps fritte en alumine polycristalline et procede de fabrication d'un tel corps |
BE0/195875A BE876957Q (fr) | 1977-03-11 | 1979-06-13 | Alumine polycristalline |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/195875A BE876957Q (fr) | 1977-03-11 | 1979-06-13 | Alumine polycristalline |
Country Status (5)
Country | Link |
---|---|
US (1) | US4150317A (fr) |
JP (1) | JPS53112912A (fr) |
BE (2) | BE868685A (fr) |
DE (1) | DE2810128A1 (fr) |
GB (1) | GB1595518A (fr) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477481A (en) * | 1977-12-02 | 1979-06-20 | Ngk Insulators Ltd | Polycrystal transparent alumina light emitting tube and high voltage vapor discharge lamp using same |
JPS6022670B2 (ja) * | 1978-05-12 | 1985-06-03 | 日本碍子株式会社 | 多結晶透明アルミナ及びその製造法ならびに高圧蒸気放射灯用発光管 |
US4285732A (en) * | 1980-03-11 | 1981-08-25 | General Electric Company | Alumina ceramic |
DE3129329A1 (de) * | 1981-07-24 | 1983-02-10 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Natriumdampf-hochdruckentladungslampe |
US4357427A (en) * | 1981-10-19 | 1982-11-02 | Westinghouse Electric Corp. | Economic preparation of alumina suitable for isostatic pressing and sintering |
US4396595A (en) * | 1982-02-08 | 1983-08-02 | North American Philips Electric Corp. | Method of enhancing the optical transmissivity of polycrystalline alumina bodies, and article produced by such method |
EP0126503B1 (fr) * | 1983-04-22 | 1988-07-27 | Koninklijke Philips Electronics N.V. | Lampe à décharge à haute pression |
US4893057A (en) * | 1983-05-10 | 1990-01-09 | North American Philips Corp. | High intensity discharge lamp and electodes for such a lamp |
US4620131A (en) * | 1983-07-25 | 1986-10-28 | U.S. Philips Corporation | Lamp with discharge vessel made of densely sintered translucent aluminium oxide |
US4690727A (en) * | 1984-10-31 | 1987-09-01 | General Electric Company | Glaze polishing polycrystalline alumina material |
US4633137A (en) * | 1984-10-31 | 1986-12-30 | General Electric Company | Glaze polished polycrystalline alumina material |
US4601990A (en) * | 1984-12-17 | 1986-07-22 | Ngk Spark Plug Co., Ltd. | High-alumina ceramic composition |
JPS61173437A (ja) * | 1985-01-25 | 1986-08-05 | Ngk Insulators Ltd | 高圧金属蒸気放電灯用発光管の製造方法 |
US5001397A (en) * | 1985-07-17 | 1991-03-19 | U.S. Philips Corporation | High-pressure gas discharge lamp having electrodes with coil layers having interlocking turns |
US4952841A (en) * | 1985-07-17 | 1990-08-28 | U.S. Philips Corporation | High-pressure discharge lamp with improved electrodes |
US4847534A (en) * | 1985-07-17 | 1989-07-11 | U.S. Philips Corporation | High-pressure discharge lamp with torsionally wound electrode structure |
US4837069A (en) * | 1987-01-07 | 1989-06-06 | Minnesota Mining And Manufacturing Company | Transparent alumina microspheres |
DE3834907C2 (de) * | 1987-10-15 | 1994-11-24 | Hoechst Ceram Tec Ag | Aluminiumoxidrohre und Verfahren zu ihrer Herstellung |
DE3840577A1 (de) * | 1988-12-01 | 1990-06-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Entladungsgefaess fuer eine hochdruckentladungslampe und verfahren zu dessen herstellung |
US5013696A (en) * | 1989-09-25 | 1991-05-07 | General Electric Company | Preparation of high uniformity polycrystalline ceramics by presintering, hot isostatic pressing and sintering and the resulting ceramic |
US5357167A (en) * | 1992-07-08 | 1994-10-18 | General Electric Company | High pressure discharge lamp with a thermally improved anode |
US5427051A (en) * | 1993-05-21 | 1995-06-27 | General Electric Company | Solid state formation of sapphire using a localized energy source |
US5780377A (en) * | 1993-09-02 | 1998-07-14 | Toto Ltd. | Light-transmissive ceramics and method of manufacturing same |
US5540182A (en) * | 1993-09-24 | 1996-07-30 | General Electric Company | Conversion of polycrystalline material to single crystal material using bodies having a selected surface topography |
US5549746A (en) * | 1993-09-24 | 1996-08-27 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire using a seed crystal |
US5451553A (en) * | 1993-09-24 | 1995-09-19 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire |
US5487353A (en) * | 1994-02-14 | 1996-01-30 | General Electric Company | Conversion of doped polycrystalline material to single crystal |
US5592048A (en) * | 1995-08-18 | 1997-01-07 | Osram Sylvania Inc. | Arc tube electrodeless high pressure sodium lamp |
CN1176017A (zh) * | 1995-11-02 | 1998-03-11 | 菲利浦电子有限公司 | 高压放电灯 |
US20030050707A1 (en) * | 1997-03-31 | 2003-03-13 | Richard L. Landingham | Novel cermets and molten metal infiltration method and process for their fabrication |
US8268234B2 (en) | 1997-03-31 | 2012-09-18 | Lawrence Livermore National Security, Llc | Cermets from molten metal infiltration processing |
US6214427B1 (en) | 1998-08-28 | 2001-04-10 | General Electric Company | Method of making an electronic device having a single crystal substrate formed by solid state crystal conversion |
US6741033B2 (en) | 2001-03-20 | 2004-05-25 | General Electric Company | High transmittance alumina for ceramic metal halide lamps |
WO2003075312A1 (fr) | 2002-03-07 | 2003-09-12 | Ngk Insulators,Ltd | Boitier electroluminescent pour lampe a decharge haute tension et procede de preparation d'un produit fritte d'alumine transparente polycristalline |
DE102005007672A1 (de) * | 2005-02-19 | 2006-09-07 | Hella Kgaa Hueck & Co. | Brenner für eine Gasentladungslampe |
US7678725B2 (en) | 2007-05-14 | 2010-03-16 | General Electric Company | Translucent polycrystalline alumina ceramic |
US20080283522A1 (en) | 2007-05-14 | 2008-11-20 | Shuyl Qin | Translucent polycrystalline alumina ceramic |
US20120306365A1 (en) | 2011-06-06 | 2012-12-06 | General Electric Company | Polycrystalline transluscent alumina for high intensity discharge lamps |
WO2016182011A1 (fr) * | 2015-05-13 | 2016-11-17 | 日本碍子株式会社 | Corps fritté en alumine et substrat de base d'élément optique |
JP6691133B2 (ja) * | 2015-09-30 | 2020-04-28 | 日本碍子株式会社 | アルミナ焼結体及び光学素子用下地基板 |
WO2017057271A1 (fr) * | 2015-09-30 | 2017-04-06 | 日本碍子株式会社 | Substrat d'alumine orienté pour croissance épitaxiale |
CN115189015A (zh) | 2016-12-21 | 2022-10-14 | 康宁股份有限公司 | 烧结系统和烧结制品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3248590A (en) * | 1963-03-01 | 1966-04-26 | Gen Electric | High pressure sodium vapor lamp |
GB1249355A (en) * | 1967-12-27 | 1971-10-13 | Hitachi Ltd | Transparent sintered alumina and process for preparing the same |
US3905845A (en) * | 1969-08-27 | 1975-09-16 | Ngk Insulators Ltd | Translucent alumina containing magnesia yttria and lanthium oxide |
US4031177A (en) * | 1969-10-31 | 1977-06-21 | Compagnie Generale D'electroceramique | Process for the manufacture of articles of translucent alumina |
US3725094A (en) * | 1971-09-20 | 1973-04-03 | Grace W R & Co | Doped alumina powder |
NL7204638A (fr) * | 1972-04-07 | 1973-10-09 | ||
US3834915A (en) * | 1972-07-24 | 1974-09-10 | Gte Sylvania Inc | Fine grain translucent alumina |
US3802893A (en) * | 1972-08-28 | 1974-04-09 | Gte Sylvania Inc | Polycrystalline abrasion-resistant alumina compositions |
US3875277A (en) * | 1973-07-30 | 1975-04-01 | Westinghouse Electric Corp | Method for making polycrystalline alumina arc tubes |
US3935495A (en) * | 1974-03-22 | 1976-01-27 | General Electric Company | Chemically polished polycrystalline alumina material |
-
1978
- 1978-03-08 GB GB9185/78A patent/GB1595518A/en not_active Expired
- 1978-03-09 DE DE19782810128 patent/DE2810128A1/de not_active Ceased
- 1978-03-11 JP JP2718678A patent/JPS53112912A/ja active Granted
- 1978-06-30 US US05/920,649 patent/US4150317A/en not_active Expired - Lifetime
- 1978-07-03 BE BE189029A patent/BE868685A/fr not_active IP Right Cessation
-
1979
- 1979-06-13 BE BE0/195875A patent/BE876957Q/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1595518A (en) | 1981-08-12 |
BE876957Q (fr) | 1979-10-01 |
JPS53112912A (en) | 1978-10-02 |
DE2810128A1 (de) | 1978-09-14 |
US4150317A (en) | 1979-04-17 |
JPS616023B2 (fr) | 1986-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GENERAL ELECTRIC CY Effective date: 19920731 |