NL186379C - Gevormde buis van transparant polykristallijn aluminiumoxyde. - Google Patents
Gevormde buis van transparant polykristallijn aluminiumoxyde.Info
- Publication number
- NL186379C NL186379C NLAANVRAGE7802597,A NL7802597A NL186379C NL 186379 C NL186379 C NL 186379C NL 7802597 A NL7802597 A NL 7802597A NL 186379 C NL186379 C NL 186379C
- Authority
- NL
- Netherlands
- Prior art keywords
- aluminum oxide
- formed tube
- polycrystalline aluminum
- transparent polycrystalline
- transparent
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB10198/77A GB1597162A (en) | 1977-03-10 | 1977-03-10 | Transparent polycrystalline alumina and high pressure vapour discharge lamp |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7802597A NL7802597A (nl) | 1978-09-12 |
NL186379B NL186379B (nl) | 1990-06-18 |
NL186379C true NL186379C (nl) | 1990-11-16 |
Family
ID=9963375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7802597,A NL186379C (nl) | 1977-03-10 | 1978-03-09 | Gevormde buis van transparant polykristallijn aluminiumoxyde. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4182972A (nl) |
JP (1) | JPS53111312A (nl) |
DE (1) | DE2810265C2 (nl) |
FR (1) | FR2383144A1 (nl) |
GB (1) | GB1597162A (nl) |
NL (1) | NL186379C (nl) |
Families Citing this family (27)
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 |
JPS5575967A (en) * | 1978-11-28 | 1980-06-07 | Ngk Spark Plug Co | Manufacture of alumina sintered body |
JPS5679847A (en) * | 1979-12-04 | 1981-06-30 | Toshiba Ceramics Co Ltd | Light transmittable alumina tube and high pressure sodium vapor discharge lamp |
JPS56140071A (en) * | 1980-03-31 | 1981-11-02 | Ngk Insulators Ltd | Transparent red purple color alumina ceramics |
JPS6011524Y2 (ja) * | 1980-03-31 | 1985-04-17 | 市光工業株式会社 | 前照灯 |
JPS6048466B2 (ja) * | 1980-05-15 | 1985-10-28 | 日本碍子株式会社 | 多結晶透明アルミナ焼結体の製造法 |
CA1203559A (en) * | 1980-06-06 | 1986-04-22 | Elliot F. Wyner | High pressure sodium lamp having improved efficacy |
US4481300A (en) * | 1981-08-31 | 1984-11-06 | Raytheon Company | Aluminum oxynitride having improved optical characteristics and method of manufacture |
US4686070A (en) * | 1981-08-31 | 1987-08-11 | Raytheon Company | Method of producing aluminum oxynitride having improved optical characteristics |
US4841195A (en) * | 1983-04-29 | 1989-06-20 | U.S. Philips Corporation | Discharge lamp having a yttrium aluminum garnet discharge envelope |
US4620131A (en) * | 1983-07-25 | 1986-10-28 | U.S. Philips Corporation | Lamp with discharge vessel made of densely sintered translucent aluminium oxide |
DE3376001D1 (en) * | 1983-08-26 | 1988-04-21 | Hoechst Ceram Tec Ag | Process and apparatus for producing sintered polycrystalline translucent tubes |
DE3834907C2 (de) * | 1987-10-15 | 1994-11-24 | Hoechst Ceram Tec Ag | Aluminiumoxidrohre und Verfahren zu ihrer Herstellung |
US5631522A (en) * | 1995-05-09 | 1997-05-20 | General Electric Company | Low sodium permeability glass |
US6136736A (en) * | 1993-06-01 | 2000-10-24 | General Electric Company | Doped silica glass |
US5780377A (en) * | 1993-09-02 | 1998-07-14 | Toto Ltd. | Light-transmissive ceramics and method of manufacturing same |
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 |
CA2223248A1 (en) | 1995-06-02 | 1996-12-05 | A.H. Casting Services Limited | Ceramic material with high density and thermal shock resistance, and method of preparation |
US5621275A (en) * | 1995-08-01 | 1997-04-15 | Osram Sylvania Inc. | Arc tube for electrodeless lamp |
US5592048A (en) * | 1995-08-18 | 1997-01-07 | Osram Sylvania Inc. | Arc tube electrodeless high pressure sodium lamp |
US6113476A (en) * | 1998-01-08 | 2000-09-05 | Edgecraft Corp. | Versatile ultrahone sharpener |
US6642656B2 (en) * | 2000-03-28 | 2003-11-04 | Ngk Insulators, Ltd. | Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp |
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 |
US6802763B1 (en) | 2002-10-25 | 2004-10-12 | Salton, Inc. | Apparatus for sharpening blades |
US8889251B2 (en) * | 2011-02-09 | 2014-11-18 | Lawrence Livermore National Security, Llc. | Alkali resistant optical coatings for alkali lasers and methods of production thereof |
US20170058429A1 (en) * | 2015-09-01 | 2017-03-02 | Yu-Feng Chuang | Method for Growing Sapphire Crystal |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3026210A (en) * | 1961-01-03 | 1962-03-20 | Gen Electric | Transparent alumina and method of preparation |
GB1249355A (en) * | 1967-12-27 | 1971-10-13 | Hitachi Ltd | Transparent sintered alumina and process for preparing the same |
GB1252851A (nl) * | 1969-08-27 | 1971-11-10 | ||
NL7204638A (nl) * | 1972-04-07 | 1973-10-09 | ||
JPS4915447A (nl) * | 1972-05-18 | 1974-02-09 | ||
US3875277A (en) * | 1973-07-30 | 1975-04-01 | Westinghouse Electric Corp | Method for making polycrystalline alumina arc tubes |
GB1544407A (en) * | 1975-03-07 | 1979-04-19 | Detrick M H Co | Refractory/insulating modules |
JPS51107683A (en) * | 1975-03-18 | 1976-09-24 | Ngk Insulators Ltd | Taketsushotomeiaruminahatsukokan |
-
1977
- 1977-03-10 GB GB10198/77A patent/GB1597162A/en not_active Expired
-
1978
- 1978-03-06 US US05/883,785 patent/US4182972A/en not_active Expired - Lifetime
- 1978-03-08 JP JP2551078A patent/JPS53111312A/ja active Granted
- 1978-03-09 DE DE2810265A patent/DE2810265C2/de not_active Expired
- 1978-03-09 NL NLAANVRAGE7802597,A patent/NL186379C/nl not_active IP Right Cessation
- 1978-03-09 FR FR7806754A patent/FR2383144A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS53111312A (en) | 1978-09-28 |
DE2810265C2 (de) | 1984-11-22 |
GB1597162A (en) | 1981-09-03 |
DE2810265A1 (de) | 1978-09-14 |
NL186379B (nl) | 1990-06-18 |
NL7802597A (nl) | 1978-09-12 |
FR2383144A1 (fr) | 1978-10-06 |
JPS5737554B2 (nl) | 1982-08-10 |
FR2383144B1 (nl) | 1981-11-20 |
US4182972A (en) | 1980-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL186379C (nl) | Gevormde buis van transparant polykristallijn aluminiumoxyde. | |
SE7805136L (sv) | Polyenforeningar | |
SE7802022L (sv) | Kinazolinforeningar | |
SE7805217L (sv) | Tiaazaforeningar | |
SE7511619L (sv) | Vaginalring | |
DK540576A (da) | Sammenhengende konvolutsamling | |
NO791536L (no) | Ror. | |
NO138715C (no) | Forkortbar paraply. | |
NL7515063A (nl) | Draineringsbuis. | |
NL7806927A (nl) | Fluorescentie-weergeefbuis. | |
NL7903123A (nl) | Bereiding van alpha-alumina. | |
PL204858A1 (pl) | Sposob otrzymywania czystego tlenku glinu | |
PL204859A1 (pl) | Sposob otrzymywania czystego tlenku glinu | |
NL7602507A (nl) | Doorschijnende buis uit polykristallijn aluminium- oxyde. | |
NO150432C (no) | Tube | |
FR2288155A1 (fr) | Alliages de carbonitrures cementes | |
BR7803904A (pt) | Conjunto de envelope | |
SE7805578L (sv) | 6-amino-penamforeningar | |
IT7925708A0 (it) | Diffusione selettiva a tubo aperto di alluminio in silicio. | |
GB1556516A (en) | Photomultiplier tube | |
NL7904457A (nl) | Opneembuis. | |
DK432176A (da) | Rorsamling | |
BR7908858A (pt) | Tubeira | |
BE824882A (fr) | Tube de prelevement | |
SE7813355L (sv) | Aminofenyleterforeningar |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |