DE2609974C3 - Transparentes polykristallines Aluminiumoxidrohr - Google Patents
Transparentes polykristallines AluminiumoxidrohrInfo
- Publication number
- DE2609974C3 DE2609974C3 DE2609974A DE2609974A DE2609974C3 DE 2609974 C3 DE2609974 C3 DE 2609974C3 DE 2609974 A DE2609974 A DE 2609974A DE 2609974 A DE2609974 A DE 2609974A DE 2609974 C3 DE2609974 C3 DE 2609974C3
- Authority
- DE
- Germany
- Prior art keywords
- tube
- grain size
- crystal grain
- pipe
- end parts
- 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
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 12
- 239000013078 crystal Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 13
- 239000000395 magnesium oxide Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005336 cracking Methods 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 229910001507 metal halide Inorganic materials 0.000 description 4
- 150000005309 metal halides Chemical class 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 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)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50031769A JPS51107683A (en) | 1975-03-18 | 1975-03-18 | Taketsushotomeiaruminahatsukokan |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2609974A1 DE2609974A1 (de) | 1976-09-23 |
| DE2609974B2 DE2609974B2 (de) | 1978-02-16 |
| DE2609974C3 true DE2609974C3 (de) | 1978-10-19 |
Family
ID=12340241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2609974A Expired DE2609974C3 (de) | 1975-03-18 | 1976-03-10 | Transparentes polykristallines Aluminiumoxidrohr |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4264541A (enExample) |
| JP (1) | JPS51107683A (enExample) |
| DE (1) | DE2609974C3 (enExample) |
| FR (1) | FR2304589A1 (enExample) |
| GB (1) | GB1475866A (enExample) |
| NL (1) | NL176772C (enExample) |
| SU (1) | SU651686A3 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1597162A (en) * | 1977-03-10 | 1981-09-03 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure vapour discharge lamp |
| 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 |
| FR2476636A1 (fr) * | 1980-02-26 | 1981-08-28 | Euroceral | Tube en alumine translucide localement noir et son procede de fabrication |
| 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 |
| 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 |
| 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 |
| 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 |
| US20230005714A1 (en) * | 2021-07-05 | 2023-01-05 | Coorstek Kk | Gas nozzle |
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 (enExample) * | 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 (enExample) * | 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
Also Published As
| Publication number | Publication date |
|---|---|
| NL176772B (nl) | 1985-01-02 |
| NL7602507A (nl) | 1976-09-21 |
| FR2304589B1 (enExample) | 1979-09-21 |
| DE2609974A1 (de) | 1976-09-23 |
| FR2304589A1 (fr) | 1976-10-15 |
| NL176772C (nl) | 1985-06-03 |
| US4264541A (en) | 1981-04-28 |
| DE2609974B2 (de) | 1978-02-16 |
| SU651686A3 (ru) | 1979-03-05 |
| JPS51107683A (en) | 1976-09-24 |
| GB1475866A (en) | 1977-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |