GB384351A - An improved method of producing metal vapour in vacuum or gas-filled discharge tubes - Google Patents
An improved method of producing metal vapour in vacuum or gas-filled discharge tubesInfo
- Publication number
- GB384351A GB384351A GB20273/31A GB2027331A GB384351A GB 384351 A GB384351 A GB 384351A GB 20273/31 A GB20273/31 A GB 20273/31A GB 2027331 A GB2027331 A GB 2027331A GB 384351 A GB384351 A GB 384351A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- vacuum
- barium
- filled discharge
- improved method
- 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
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- 229910052788 barium Inorganic materials 0.000 abstract 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052790 beryllium Inorganic materials 0.000 abstract 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 238000007133 aluminothermic reaction Methods 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000011863 silicon-based powder Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE384351X | 1930-07-17 | ||
| US55129631A | 1931-07-16 | 1931-07-16 | |
| US676040A US2031721A (en) | 1930-07-17 | 1933-06-16 | Method of manufacturing highly emissive cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB384351A true GB384351A (en) | 1932-12-08 |
Family
ID=32511872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20273/31A Expired GB384351A (en) | 1930-07-17 | 1931-07-15 | An improved method of producing metal vapour in vacuum or gas-filled discharge tubes |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB741369A (en) * | 1952-10-22 | 1955-11-30 | British Thomson Houston Co Ltd | Improvements in and relating to thermionic cathodes |
| HU143979A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 1953-11-05 | |||
| US7252868B2 (en) * | 2004-01-08 | 2007-08-07 | Certainteed Corporation | Reinforced fibrous insulation product and method of reinforcing same |
-
0
- NL NL34189D patent/NL34189C/xx active
-
1931
- 1931-07-11 FR FR719981D patent/FR719981A/fr not_active Expired
- 1931-07-15 GB GB20273/31A patent/GB384351A/en not_active Expired
-
1933
- 1933-06-16 US US676040A patent/US2031721A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2031721A (en) | 1936-02-25 |
| NL34189C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | |
| FR719981A (fr) | 1932-02-13 |
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