DE69704817D1 - Durchsichtiges polykristallines Aluminiumoxyd und dessen Herstellungsverfahren - Google Patents
Durchsichtiges polykristallines Aluminiumoxyd und dessen HerstellungsverfahrenInfo
- Publication number
- DE69704817D1 DE69704817D1 DE69704817T DE69704817T DE69704817D1 DE 69704817 D1 DE69704817 D1 DE 69704817D1 DE 69704817 T DE69704817 T DE 69704817T DE 69704817 T DE69704817 T DE 69704817T DE 69704817 D1 DE69704817 D1 DE 69704817D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacturing process
- aluminum oxide
- polycrystalline aluminum
- transparent polycrystalline
- transparent
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title 1
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)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/681,739 US5682082A (en) | 1996-07-29 | 1996-07-29 | Translucent polycrystalline alumina and method of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69704817D1 true DE69704817D1 (de) | 2001-06-21 |
DE69704817T2 DE69704817T2 (de) | 2001-09-27 |
Family
ID=24736577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69704817T Expired - Fee Related DE69704817T2 (de) | 1996-07-29 | 1997-07-02 | Durchsichtiges polykristallines Aluminiumoxyd und dessen Herstellungsverfahren |
Country Status (8)
Country | Link |
---|---|
US (1) | US5682082A (de) |
EP (1) | EP0822575B1 (de) |
JP (1) | JPH1092380A (de) |
CN (1) | CN1106676C (de) |
CA (1) | CA2211225C (de) |
CZ (1) | CZ291434B6 (de) |
DE (1) | DE69704817T2 (de) |
TW (1) | TW396147B (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6083451A (en) * | 1995-04-18 | 2000-07-04 | Applied Materials, Inc. | Method of producing a polycrystalline alumina ceramic which is resistant to a fluorine-comprising plasma |
JPH1154091A (ja) * | 1997-07-31 | 1999-02-26 | Matsushita Electron Corp | マイクロ波放電ランプ |
US6268696B1 (en) | 1999-02-03 | 2001-07-31 | Osram Sylvania Inc. | Mercury and lead free high pressure sodium lamp |
CA2261380A1 (en) | 1998-03-12 | 1999-09-12 | Osram Sylvania Inc. | Mercury and lead free high pressure sodium lamp |
US6004503A (en) * | 1998-10-02 | 1999-12-21 | Osram Sylvania Inc. | Method of making a ceramic arc tube for metal halide lamps |
US6639362B1 (en) * | 2000-11-06 | 2003-10-28 | General Electric Company | High pressure discharge lamp |
US6731066B2 (en) * | 2001-02-23 | 2004-05-04 | Osram Sylvania Inc. | Ceramic arc tube assembly |
JP4515255B2 (ja) * | 2001-08-02 | 2010-07-28 | スリーエム イノベイティブ プロパティズ カンパニー | Al2O3−Y2O3−ZrO2材料 |
AU2002319749A1 (en) * | 2001-08-02 | 2003-02-17 | 3M Innovative Properties Company | Ceramic materials, abrasive particles, abrasive articles, and methods of making and using the same |
ATE378293T1 (de) | 2001-08-02 | 2007-11-15 | 3M Innovative Properties Co | Verfahren zur herstellung von gegenständen aus glas sowie so hergestellte glaskeramikgegenstände |
CA2454068A1 (en) | 2001-08-02 | 2003-02-13 | 3M Innovative Properties Company | Al2o3-rare earth oxide-zro2/hfo2 materials, and methods of making and using the same |
US6566817B2 (en) | 2001-09-24 | 2003-05-20 | Osram Sylvania Inc. | High intensity discharge lamp with only one electrode |
CN1289434C (zh) * | 2002-01-04 | 2006-12-13 | 皇家飞利浦电子股份有限公司 | 烧结体和电灯 |
AU2003280970A1 (en) * | 2002-07-10 | 2004-02-02 | Fraunhofer-Gesellschaft | Transparent ploycrystalline aluminium oxide |
US8056370B2 (en) | 2002-08-02 | 2011-11-15 | 3M Innovative Properties Company | Method of making amorphous and ceramics via melt spinning |
US7811496B2 (en) | 2003-02-05 | 2010-10-12 | 3M Innovative Properties Company | Methods of making ceramic particles |
US6844285B1 (en) | 2003-09-03 | 2005-01-18 | Osram Sylvania Inc. | Transparent polycrystalline yttrium aluminum garnet |
US20050132658A1 (en) * | 2003-12-18 | 2005-06-23 | 3M Innovative Properties Company | Method of making abrasive particles |
JP4951842B2 (ja) * | 2004-02-25 | 2012-06-13 | パナソニック株式会社 | 高圧ナトリウムランプ |
WO2007001387A2 (en) * | 2004-10-01 | 2007-01-04 | Ceranova Corporation | Polycrystalline alumina articles and methods of manufacture |
US7247591B2 (en) * | 2005-05-26 | 2007-07-24 | Osram Sylvania Inc. | Translucent PCA ceramic, ceramic discharge vessel, and method of making |
US7481963B2 (en) * | 2005-06-28 | 2009-01-27 | Osram Sylvania Inc. | Method of reducing magnesium loss during sintering of aluminum oxide articles |
US20080283522A1 (en) * | 2007-05-14 | 2008-11-20 | Shuyl Qin | Translucent polycrystalline alumina ceramic |
US7678725B2 (en) * | 2007-05-14 | 2010-03-16 | General Electric Company | Translucent polycrystalline alumina ceramic |
EP2305621B1 (de) * | 2009-09-09 | 2015-04-22 | NGK Insulators, Ltd. | Durchscheinender gesinterter Polykristallinkörper, Verfahren zu dessen Herstellung und Lichtbogen für Entladungslampe mit hoher Intensität |
US11639312B2 (en) | 2015-06-16 | 2023-05-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Transparent ceramic as a component for fracture-resistant optical units |
US11870221B2 (en) | 2021-09-30 | 2024-01-09 | Federal-Mogul Ignition Llc | Spark plug and methods of manufacturing same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3026210A (en) * | 1961-01-03 | 1962-03-20 | Gen Electric | Transparent alumina and method of preparation |
US3377176A (en) * | 1964-12-04 | 1968-04-09 | Coors Porcelain Co | Alumina ceramic |
DE1596932B2 (de) * | 1966-12-29 | 1976-06-16 | N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Alkalimetalldampfbestaendiges glas auf der basis sio tief 2 -al tief 2 - o tief 3 -cao, insbesondere verwendbar als huelle fuer eine natriumdampfentladungslampe |
US3635739A (en) * | 1969-06-04 | 1972-01-18 | Corning Glass Works | Silica-free calcium aluminate glass-ceramic articles |
US3935495A (en) * | 1974-03-22 | 1976-01-27 | General Electric Company | Chemically polished polycrystalline alumina material |
US4285732A (en) * | 1980-03-11 | 1981-08-25 | General Electric Company | Alumina ceramic |
US4567396A (en) * | 1982-11-26 | 1986-01-28 | General Electric Company | Increased efficacy high pressure sodium lamp yielded by increased wall temperature operation |
US4580075A (en) * | 1982-11-26 | 1986-04-01 | General Electric Company | High pressure sodium lamp having improved coloring rendition |
US4841195A (en) * | 1983-04-29 | 1989-06-20 | U.S. Philips Corporation | Discharge lamp having a yttrium aluminum garnet discharge envelope |
JPS59219849A (ja) * | 1983-05-30 | 1984-12-11 | Mitsubishi Electric Corp | 封着物質 |
JPS59219850A (ja) * | 1983-05-30 | 1984-12-11 | Mitsubishi Electric Corp | 封着物質 |
US4633137A (en) * | 1984-10-31 | 1986-12-30 | General Electric Company | Glaze polished polycrystalline alumina material |
US5451553A (en) * | 1993-09-24 | 1995-09-19 | General Electric Company | Solid state thermal conversion of polycrystalline alumina to sapphire |
ATE155452T1 (de) * | 1993-12-10 | 1997-08-15 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Hochdruckentladungslampe mit keramischer entladungsröhre, dafür geeigneter keramischer körper und verfahren zu seiner herstellung |
-
1996
- 1996-07-29 US US08/681,739 patent/US5682082A/en not_active Expired - Lifetime
-
1997
- 1997-06-13 TW TW086108198A patent/TW396147B/zh not_active IP Right Cessation
- 1997-07-02 EP EP97110889A patent/EP0822575B1/de not_active Expired - Lifetime
- 1997-07-02 DE DE69704817T patent/DE69704817T2/de not_active Expired - Fee Related
- 1997-07-14 CZ CZ19972222A patent/CZ291434B6/cs not_active IP Right Cessation
- 1997-07-23 CA CA002211225A patent/CA2211225C/en not_active Expired - Fee Related
- 1997-07-29 JP JP9203056A patent/JPH1092380A/ja active Pending
- 1997-07-29 CN CN97116140A patent/CN1106676C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW396147B (en) | 2000-07-01 |
CN1182951A (zh) | 1998-05-27 |
CN1106676C (zh) | 2003-04-23 |
JPH1092380A (ja) | 1998-04-10 |
CZ291434B6 (cs) | 2003-03-12 |
CA2211225C (en) | 2007-03-27 |
DE69704817T2 (de) | 2001-09-27 |
EP0822575A3 (de) | 1998-03-25 |
CA2211225A1 (en) | 1998-01-29 |
EP0822575A2 (de) | 1998-02-04 |
US5682082A (en) | 1997-10-28 |
CZ222297A3 (cs) | 1998-02-18 |
EP0822575B1 (de) | 2001-05-16 |
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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 |