NL90199C - - Google Patents
Info
- Publication number
- NL90199C NL90199C NL90199DA NL90199C NL 90199 C NL90199 C NL 90199C NL 90199D A NL90199D A NL 90199DA NL 90199 C NL90199 C NL 90199C
- 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
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12993—Surface feature [e.g., rough, mirror]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2887413X | 1954-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL90199C true NL90199C (de) |
Family
ID=4572553
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL193708D NL193708A (de) | 1954-12-17 | ||
| NL90199D NL90199C (de) | 1954-12-17 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL193708D NL193708A (de) | 1954-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2887413A (de) |
| CH (1) | CH325999A (de) |
| NL (2) | NL90199C (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2998376A (en) * | 1956-10-29 | 1961-08-29 | Temescal Metallurgical Corp | High-vacuum evaporator |
| US3082516A (en) * | 1957-12-03 | 1963-03-26 | Union Carbide Corp | Fabrication of metal shapes |
| US3075066A (en) * | 1957-12-03 | 1963-01-22 | Union Carbide Corp | Article of manufacture and method of making same |
| US3066048A (en) * | 1960-03-01 | 1962-11-27 | Janina J Mitchell | Process of making mixed oxide films |
| US3766423A (en) * | 1971-12-03 | 1973-10-16 | Itt | Integral emissive electrode |
| US4404234A (en) * | 1981-12-23 | 1983-09-13 | Bell Telephone Laboratories, Incorporated | Electrode coating process |
| US4407849A (en) * | 1981-12-23 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Process for improving electrode coatings |
| US5327050A (en) * | 1986-07-04 | 1994-07-05 | Canon Kabushiki Kaisha | Electron emitting device and process for producing the same |
| USRE40062E1 (en) | 1987-07-15 | 2008-02-12 | Canon Kabushiki Kaisha | Display device with electron-emitting device with electron-emitting region insulated from electrodes |
| USRE39633E1 (en) | 1987-07-15 | 2007-05-15 | Canon Kabushiki Kaisha | Display device with electron-emitting device with electron-emitting region insulated from electrodes |
| USRE40566E1 (en) | 1987-07-15 | 2008-11-11 | Canon Kabushiki Kaisha | Flat panel display including electron emitting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1926846A (en) * | 1931-08-15 | 1933-09-12 | Cutler Hammer Inc | Electrode for electron discharge devices |
| US2147447A (en) * | 1936-09-21 | 1939-02-14 | Siemens Ag | Glow cathode |
| US2556254A (en) * | 1947-05-15 | 1951-06-12 | Rca Corp | Voltage reference tube |
| NL70766C (de) * | 1948-02-25 | |||
| US2677071A (en) * | 1948-06-30 | 1954-04-27 | Rca Corp | Voltage reference tube |
-
0
- NL NL193708D patent/NL193708A/xx unknown
- NL NL90199D patent/NL90199C/xx active
-
1954
- 1954-12-17 CH CH325999D patent/CH325999A/de unknown
-
1956
- 1956-11-19 US US623030A patent/US2887413A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH325999A (de) | 1957-11-30 |
| NL193708A (de) | |
| US2887413A (en) | 1959-05-19 |