BE442461A - - Google Patents
Info
- Publication number
- BE442461A BE442461A BE442461DA BE442461A BE 442461 A BE442461 A BE 442461A BE 442461D A BE442461D A BE 442461DA BE 442461 A BE442461 A BE 442461A
- Authority
- BE
- Belgium
- Prior art keywords
- tubes
- high vacuum
- sound
- vacuum
- instruments
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 230000004927 fusion Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/385—Exhausting vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442461A true BE442461A (enrdf_load_stackoverflow) |
Family
ID=99655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442461D BE442461A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE442461A (enrdf_load_stackoverflow) |
-
0
- BE BE442461D patent/BE442461A/fr unknown
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