GB1265881A - - Google Patents
Info
- Publication number
- GB1265881A GB1265881A GB1265881DA GB1265881A GB 1265881 A GB1265881 A GB 1265881A GB 1265881D A GB1265881D A GB 1265881DA GB 1265881 A GB1265881 A GB 1265881A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support
- getter
- coating
- emissive
- electrode
- 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
- 238000000576 coating method Methods 0.000 abstract 8
- 239000011248 coating agent Substances 0.000 abstract 7
- 239000000463 material Substances 0.000 abstract 7
- 229910052726 zirconium Inorganic materials 0.000 abstract 3
- 229910052776 Thorium Inorganic materials 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002923 metal particle Substances 0.000 abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000010406 cathode material Substances 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000004678 hydrides Chemical class 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
Landscapes
- Discharge Lamp (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6804720A NL6804720A (enrdf_load_stackoverflow) | 1968-04-04 | 1968-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1265881A true GB1265881A (enrdf_load_stackoverflow) | 1972-03-08 |
Family
ID=19803234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1265881D Expired GB1265881A (enrdf_load_stackoverflow) | 1968-04-04 | 1969-04-01 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3582702A (enrdf_load_stackoverflow) |
| BE (1) | BE730961A (enrdf_load_stackoverflow) |
| CH (1) | CH495055A (enrdf_load_stackoverflow) |
| DE (1) | DE1913071A1 (enrdf_load_stackoverflow) |
| ES (1) | ES365598A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2007388A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1265881A (enrdf_load_stackoverflow) |
| NL (1) | NL6804720A (enrdf_load_stackoverflow) |
| OA (1) | OA03035A (enrdf_load_stackoverflow) |
| SE (1) | SE339962B (enrdf_load_stackoverflow) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1139827A (en) * | 1977-12-06 | 1983-01-18 | George L. Davis | Oxide cathode and method of manufacturing powder metallurgical nickel for such a cathode |
| DE2924519C2 (de) * | 1979-06-18 | 1982-11-25 | Manfred 5905 Freudenberg Hoffmann | Fachwerkartiger Träger, Stütze o.dgl. |
| GB2125615B (en) * | 1982-08-05 | 1985-11-27 | Emi Plc Thorn | Improvements in hp discharge lamps |
| DE3864738D1 (de) * | 1987-05-13 | 1991-10-17 | Philips Nv | Mit einem getter versehene elektrische lampe. |
| US6377846B1 (en) | 1997-02-21 | 2002-04-23 | Medtronic Ave, Inc. | Device for delivering localized x-ray radiation and method of manufacture |
| EP0860181B1 (en) * | 1997-02-21 | 2004-04-28 | Medtronic Ave, Inc. | X-ray device having a dilatation structure for delivering localized radiation to an interior of a body |
| DE29703990U1 (de) * | 1997-03-05 | 1997-04-17 | Thielen Marcus Dipl Phys | Kalte Elektrode für Gasentladungen |
| US5854822A (en) * | 1997-07-25 | 1998-12-29 | Xrt Corp. | Miniature x-ray device having cold cathode |
| EP1005702A1 (en) * | 1997-08-18 | 2000-06-07 | XRT Corp. | Cathode from getter material |
| DE19741658A1 (de) * | 1997-09-16 | 1999-03-18 | Siemens Ag | Gasgefüllte Entladungsstrecke |
| US6289079B1 (en) | 1999-03-23 | 2001-09-11 | Medtronic Ave, Inc. | X-ray device and deposition process for manufacture |
| US6464625B2 (en) | 1999-06-23 | 2002-10-15 | Robert A. Ganz | Therapeutic method and apparatus for debilitating or killing microorganisms within the body |
| DE19957420A1 (de) * | 1999-11-29 | 2001-05-31 | Philips Corp Intellectual Pty | Gasentladungslampe mit Oxidemitter-Elektrode |
| ITMI20012389A1 (it) * | 2001-11-12 | 2003-05-12 | Getters Spa | Catodo cavo con getter integrato per lampade a scarica e metodi per la sua realizzazione |
| US6825613B2 (en) * | 2002-09-12 | 2004-11-30 | Colour Star Limited | Mercury gas discharge device |
| ITMI20032208A1 (it) * | 2003-11-14 | 2005-05-15 | Getters Spa | Catodo con getter integrato e bassa funzione lavoro per lampade a catodo freddo. |
| DE112006002464T5 (de) * | 2005-09-14 | 2008-07-24 | Littelfuse, Inc., Des Plaines | Gasgefüllter Überspannungsableiter, aktivierende Verbindung, Zündstreifen und Herstellungsverfahren dafür |
| EP1983543A1 (en) * | 2007-04-20 | 2008-10-22 | ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | Gun chamber, charged particle beam apparatus and method of operating same |
| US7534635B1 (en) * | 2008-03-24 | 2009-05-19 | General Electric Company | Getter precursors for hermetically sealed packaging |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2741717A (en) * | 1951-06-14 | 1956-04-10 | Siemens Ag | Dispenser type cathode having gettercoated parts |
| US2843781A (en) * | 1954-11-01 | 1958-07-15 | Sylvania Electric Prod | Sublimation reducing cathode connector |
| NL112717C (enrdf_load_stackoverflow) * | 1959-01-22 | |||
| US3078387A (en) * | 1960-09-08 | 1963-02-19 | Philips Corp | Magnetron |
| DE1539135A1 (de) * | 1965-06-30 | 1969-08-28 | Siemens Ag | Pumpanordnung mit Hilfskathode fuer elektrische Entladungsgefaesse |
-
1968
- 1968-04-04 NL NL6804720A patent/NL6804720A/xx unknown
-
1969
- 1969-03-14 DE DE19691913071 patent/DE1913071A1/de active Pending
- 1969-04-01 CH CH502169A patent/CH495055A/de not_active IP Right Cessation
- 1969-04-01 OA OA53572A patent/OA03035A/xx unknown
- 1969-04-01 US US811846A patent/US3582702A/en not_active Expired - Lifetime
- 1969-04-01 SE SE04647/69A patent/SE339962B/xx unknown
- 1969-04-01 GB GB1265881D patent/GB1265881A/en not_active Expired
- 1969-04-02 BE BE730961D patent/BE730961A/xx unknown
- 1969-04-02 ES ES365598A patent/ES365598A1/es not_active Expired
- 1969-04-04 FR FR6910562A patent/FR2007388A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6804720A (enrdf_load_stackoverflow) | 1969-10-07 |
| OA03035A (fr) | 1970-12-15 |
| FR2007388A1 (enrdf_load_stackoverflow) | 1970-01-09 |
| ES365598A1 (es) | 1971-03-16 |
| SE339962B (enrdf_load_stackoverflow) | 1971-11-01 |
| US3582702A (en) | 1971-06-01 |
| CH495055A (de) | 1970-08-15 |
| BE730961A (enrdf_load_stackoverflow) | 1969-10-02 |
| DE1913071A1 (de) | 1969-10-23 |
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| Publication | Publication Date | Title |
|---|---|---|
| GB1265881A (enrdf_load_stackoverflow) | ||
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| GB793726A (en) | Improvements in or relating to dispenser cathodes | |
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| US3041209A (en) | Method of making a thermionic cathode | |
| GB1302152A (enrdf_load_stackoverflow) | ||
| US2874077A (en) | Thermionic cathodes | |
| US2959702A (en) | Lamp and mount | |
| US2659685A (en) | Boride cathodes | |
| US2995674A (en) | Impregnated cathodes | |
| US3710161A (en) | Quick-heating impregnated planar cathode | |
| GB1389620A (en) | Discharge tube provided with an electrode comprising nickel and aluminium | |
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| US2214511A (en) | Gas discharge device | |
| US2758942A (en) | Cathode-ray tube of the kind comprising a luminescent screen | |
| US2873218A (en) | Method of making an electron emitter | |
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| GB1295832A (enrdf_load_stackoverflow) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |