DE308492C - - Google Patents
Info
- Publication number
- DE308492C DE308492C DENDAT308492D DE308492DA DE308492C DE 308492 C DE308492 C DE 308492C DE NDAT308492 D DENDAT308492 D DE NDAT308492D DE 308492D A DE308492D A DE 308492DA DE 308492 C DE308492 C DE 308492C
- Authority
- DE
- Germany
- Prior art keywords
- photoelectric
- grid
- tube
- vacuum tube
- grating
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- 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
- H01J1/34—Photo-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
- H01J40/04—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/16—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell
- H01J40/18—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell with luminescent coatings for influencing the sensitivity of the tube, e.g. by converting the input wavelength
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE308492C true DE308492C (OSRAM) |
Family
ID=561748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT308492D Active DE308492C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE308492C (OSRAM) |
-
0
- DE DENDAT308492D patent/DE308492C/de active Active
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