FR2304589A1 - Tube en alumine polycristalline transparente et lampe a vapeur metallique a haute pression utilisant un tel tube - Google Patents
Tube en alumine polycristalline transparente et lampe a vapeur metallique a haute pression utilisant un tel tubeInfo
- Publication number
- FR2304589A1 FR2304589A1 FR7607696A FR7607696A FR2304589A1 FR 2304589 A1 FR2304589 A1 FR 2304589A1 FR 7607696 A FR7607696 A FR 7607696A FR 7607696 A FR7607696 A FR 7607696A FR 2304589 A1 FR2304589 A1 FR 2304589A1
- Authority
- FR
- France
- Prior art keywords
- tube
- high pressure
- pressure metal
- polycrystalline alumina
- metal steam
- 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.)
- Granted
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50031769A JPS51107683A (en) | 1975-03-18 | 1975-03-18 | Taketsushotomeiaruminahatsukokan |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2304589A1 true FR2304589A1 (fr) | 1976-10-15 |
FR2304589B1 FR2304589B1 (fr) | 1979-09-21 |
Family
ID=12340241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7607696A Granted FR2304589A1 (fr) | 1975-03-18 | 1976-03-17 | Tube en alumine polycristalline transparente et lampe a vapeur metallique a haute pression utilisant un tel tube |
Country Status (7)
Country | Link |
---|---|
US (1) | US4264541A (fr) |
JP (1) | JPS51107683A (fr) |
DE (1) | DE2609974C3 (fr) |
FR (1) | FR2304589A1 (fr) |
GB (1) | GB1475866A (fr) |
NL (1) | NL176772C (fr) |
SU (1) | SU651686A3 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383144A1 (fr) * | 1977-03-10 | 1978-10-06 | Ngk Insulators Ltd | Alumines polycristallines transparentes et lampes a haute pression de vapeur |
FR2425414A1 (fr) * | 1978-05-12 | 1979-12-07 | Ngk Insulators Ltd | |
FR2476636A1 (fr) * | 1980-02-26 | 1981-08-28 | Euroceral | Tube en alumine translucide localement noir et son procede de fabrication |
Families Citing this family (10)
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 |
US4736136A (en) * | 1986-06-16 | 1988-04-05 | Gte Laboratories Incorporated | Discharge lamps with coated ceramic arc tubes and fabrication thereof |
JP4613408B2 (ja) * | 1999-10-15 | 2011-01-19 | 日本碍子株式会社 | 高圧放電灯用発光管の製造方法 |
WO2002007187A1 (fr) * | 2000-07-19 | 2002-01-24 | Ngk Insulators, Ltd. | Tube a arc en ceramique polycristalline pour lampe a decharge de haute brillance et procede de fabrication de ce tube |
JP2002184352A (ja) * | 2000-07-19 | 2002-06-28 | Ngk Insulators Ltd | 高輝度放電灯用多結晶セラミックス発光管及びその製造方法 |
US6878456B2 (en) | 2001-12-28 | 2005-04-12 | 3M Innovative Properties Co. | Polycrystalline translucent alumina-based ceramic material, uses, and methods |
US6648638B2 (en) | 2001-12-28 | 2003-11-18 | 3M Innovative Properties Company | Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods |
JP4131240B2 (ja) * | 2002-03-07 | 2008-08-13 | 日本碍子株式会社 | 高圧放電灯用発光容器及び多結晶透明アルミナ焼結体の製造方法 |
US6949145B2 (en) * | 2002-04-05 | 2005-09-27 | Boc, Inc. | Vapor-assisted cryogenic cleaning |
JP2008177151A (ja) * | 2006-09-25 | 2008-07-31 | Toshiba Lighting & Technology Corp | 高圧放電ランプ、高圧放電ランプ点灯装置および照明装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3026210A (en) * | 1961-01-03 | 1962-03-20 | Gen Electric | Transparent alumina and method of preparation |
US3026177A (en) * | 1961-04-25 | 1962-03-20 | Gen Electric | Process for producing transparent polycrystalline alumina |
GB1252851A (fr) * | 1969-08-27 | 1971-11-10 | ||
US3834939A (en) * | 1970-02-19 | 1974-09-10 | Ibm | Method of forming doped silicon oxide layers on substrates and paint-on compositions useful in such methods |
JPS4898684A (fr) * | 1972-03-27 | 1973-12-14 | ||
US3834915A (en) * | 1972-07-24 | 1974-09-10 | Gte Sylvania Inc | Fine grain translucent alumina |
US3875277A (en) * | 1973-07-30 | 1975-04-01 | Westinghouse Electric Corp | Method for making polycrystalline alumina arc tubes |
-
1975
- 1975-03-18 JP JP50031769A patent/JPS51107683A/ja active Pending
-
1976
- 1976-03-03 GB GB845676A patent/GB1475866A/en not_active Expired
- 1976-03-10 NL NLAANVRAGE7602507,A patent/NL176772C/xx not_active IP Right Cessation
- 1976-03-10 DE DE2609974A patent/DE2609974C3/de not_active Expired
- 1976-03-11 SU SU762340052A patent/SU651686A3/ru active
- 1976-03-17 FR FR7607696A patent/FR2304589A1/fr active Granted
-
1979
- 1979-08-28 US US06/070,472 patent/US4264541A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2383144A1 (fr) * | 1977-03-10 | 1978-10-06 | Ngk Insulators Ltd | Alumines polycristallines transparentes et lampes a haute pression de vapeur |
FR2425414A1 (fr) * | 1978-05-12 | 1979-12-07 | Ngk Insulators Ltd | |
FR2476636A1 (fr) * | 1980-02-26 | 1981-08-28 | Euroceral | Tube en alumine translucide localement noir et son procede de fabrication |
Also Published As
Publication number | Publication date |
---|---|
NL176772C (nl) | 1985-06-03 |
DE2609974B2 (de) | 1978-02-16 |
DE2609974C3 (de) | 1978-10-19 |
SU651686A3 (ru) | 1979-03-05 |
FR2304589B1 (fr) | 1979-09-21 |
JPS51107683A (en) | 1976-09-24 |
NL176772B (nl) | 1985-01-02 |
DE2609974A1 (de) | 1976-09-23 |
US4264541A (en) | 1981-04-28 |
NL7602507A (nl) | 1976-09-21 |
GB1475866A (en) | 1977-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |