JPS50141269A - - Google Patents
Info
- Publication number
- JPS50141269A JPS50141269A JP2234775A JP2234775A JPS50141269A JP S50141269 A JPS50141269 A JP S50141269A JP 2234775 A JP2234775 A JP 2234775A JP 2234775 A JP2234775 A JP 2234775A JP S50141269 A JPS50141269 A JP S50141269A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
- H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
- H01J17/491—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Gas-Filled Discharge Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44923074A | 1974-03-08 | 1974-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50141269A true JPS50141269A (ko) | 1975-11-13 |
Family
ID=23783407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2234775A Pending JPS50141269A (ko) | 1974-03-08 | 1975-02-22 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS50141269A (ko) |
| GB (1) | GB1466534A (ko) |
| NL (1) | NL7502140A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69432174T2 (de) * | 1993-11-24 | 2003-12-11 | Tdk Corp | Kaltkathoden-elektrodenquellenelement und verfahren zur herstellung desselben |
| CA2227322A1 (en) * | 1995-08-04 | 1997-02-20 | Printable Field Emitters Limited | Field electron emission materials and devices |
-
1975
- 1975-02-10 GB GB553075A patent/GB1466534A/en not_active Expired
- 1975-02-21 NL NL7502140A patent/NL7502140A/xx not_active Application Discontinuation
- 1975-02-22 JP JP2234775A patent/JPS50141269A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1466534A (en) | 1977-03-09 |
| NL7502140A (nl) | 1975-09-10 |