GB229622A - Improved manufacture of cathoders for electric discharge tubes - Google Patents
Improved manufacture of cathoders for electric discharge tubesInfo
- Publication number
- GB229622A GB229622A GB18037/24A GB1803724A GB229622A GB 229622 A GB229622 A GB 229622A GB 18037/24 A GB18037/24 A GB 18037/24A GB 1803724 A GB1803724 A GB 1803724A GB 229622 A GB229622 A GB 229622A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal
- coating
- core
- copper
- alkaline earth
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 5
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 5
- 239000011248 coating agent Substances 0.000 abstract 5
- 238000000576 coating method Methods 0.000 abstract 5
- 229910052751 metal Inorganic materials 0.000 abstract 5
- 239000002184 metal Substances 0.000 abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 3
- 229910052802 copper Inorganic materials 0.000 abstract 3
- 239000010949 copper Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract 1
- 239000005751 Copper oxide Substances 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 229910018487 Ni—Cr Inorganic materials 0.000 abstract 1
- 229910001260 Pt alloy Inorganic materials 0.000 abstract 1
- 238000005275 alloying Methods 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- UUXFWHMUNNXFHD-UHFFFAOYSA-N barium azide Chemical compound [Ba+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-] UUXFWHMUNNXFHD-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 229910000431 copper oxide Inorganic materials 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- -1 for instance Substances 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 239000012629 purifying agent Substances 0.000 abstract 1
- 239000003870 refractory metal Substances 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL229622X | 1924-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB229622A true GB229622A (en) | 1925-06-25 |
Family
ID=19779857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18037/24A Expired GB229622A (en) | 1924-02-18 | 1924-07-28 | Improved manufacture of cathoders for electric discharge tubes |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE470421C (enExample) |
| FR (1) | FR583860A (enExample) |
| GB (1) | GB229622A (enExample) |
| NL (1) | NL19245C (enExample) |
-
0
- NL NL19245D patent/NL19245C/xx active
-
1924
- 1924-06-29 DE DEN23347D patent/DE470421C/de not_active Expired
- 1924-07-19 FR FR583860D patent/FR583860A/fr not_active Expired
- 1924-07-28 GB GB18037/24A patent/GB229622A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL19245C (enExample) | |
| FR583860A (fr) | 1925-01-23 |
| DE470421C (de) | 1929-01-21 |
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