NL7207673A - - Google Patents
Info
- Publication number
- NL7207673A NL7207673A NL7207673A NL7207673A NL7207673A NL 7207673 A NL7207673 A NL 7207673A NL 7207673 A NL7207673 A NL 7207673A NL 7207673 A NL7207673 A NL 7207673A NL 7207673 A NL7207673 A NL 7207673A
- Authority
- NL
- Netherlands
Links
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
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
-
- 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
- H01J9/045—Activation of assembled cathode
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15031071A | 1971-06-07 | 1971-06-07 | |
| US20039871A | 1971-11-19 | 1971-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7207673A true NL7207673A (https=) | 1972-12-11 |
Family
ID=26847526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7207673A NL7207673A (https=) | 1971-06-07 | 1972-06-06 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE784489A (https=) |
| CA (1) | CA958068A (https=) |
| DE (1) | DE2226433A1 (https=) |
| FR (1) | FR2140518B1 (https=) |
| GB (1) | GB1394370A (https=) |
| NL (1) | NL7207673A (https=) |
-
1972
- 1972-05-31 DE DE19722226433 patent/DE2226433A1/de active Pending
- 1972-06-01 GB GB2559472A patent/GB1394370A/en not_active Expired
- 1972-06-06 CA CA144,018A patent/CA958068A/en not_active Expired
- 1972-06-06 NL NL7207673A patent/NL7207673A/xx unknown
- 1972-06-07 FR FR7220444A patent/FR2140518B1/fr not_active Expired
- 1972-06-07 BE BE784489A patent/BE784489A/nl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA958068A (en) | 1974-11-19 |
| FR2140518A1 (https=) | 1973-01-19 |
| GB1394370A (en) | 1975-05-14 |
| BE784489A (nl) | 1972-12-07 |
| FR2140518B1 (https=) | 1978-03-03 |
| DE2226433A1 (de) | 1972-12-28 |