IT8321640A0 - GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC GUNS AND METHOD OF MANUFACTURE THEREOF. - Google Patents
GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC GUNS AND METHOD OF MANUFACTURE THEREOF.Info
- Publication number
- IT8321640A0 IT8321640A0 IT8321640A IT2164083A IT8321640A0 IT 8321640 A0 IT8321640 A0 IT 8321640A0 IT 8321640 A IT8321640 A IT 8321640A IT 2164083 A IT2164083 A IT 2164083A IT 8321640 A0 IT8321640 A0 IT 8321640A0
- Authority
- IT
- Italy
- Prior art keywords
- openings
- manufacture
- grid equipped
- electronic guns
- guns
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
-
- 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
- H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39934182A | 1982-07-19 | 1982-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8321640A0 true IT8321640A0 (en) | 1983-06-15 |
IT1170150B IT1170150B (en) | 1987-06-03 |
Family
ID=23579171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8321640A IT1170150B (en) | 1982-07-19 | 1983-06-15 | GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC CANNONS AND METHOD OF MANUFACTURE OF THE SAME |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5933740A (en) |
DE (1) | DE3325856A1 (en) |
FR (1) | FR2530378A1 (en) |
IT (1) | IT1170150B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0629214Y2 (en) * | 1987-04-10 | 1994-08-10 | 中富 栗本 | Sand pile building equipment |
JPH0629213Y2 (en) * | 1987-04-10 | 1994-08-10 | 中富 栗本 | Sand pile building equipment |
GB8822475D0 (en) * | 1988-09-23 | 1988-10-26 | Atomic Energy Authority Uk | Ion extraction grids |
FR2644628B1 (en) * | 1989-03-17 | 1996-10-04 | Videocolor | FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID |
DE4012888A1 (en) * | 1990-04-23 | 1991-10-24 | Nokia Unterhaltungselektronik | GRID FOR ELECTRON BEAM GENERATION SYSTEMS |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3852608A (en) * | 1971-03-22 | 1974-12-03 | Philips Corp | Cathode-ray tube having an astigmatic lens element in its electron gun |
US3777210A (en) * | 1972-10-30 | 1973-12-04 | Rca Corp | Electron gun and method of assembly |
US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
JPS55154044A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Electrode structure of electron gun and its manufacture |
US4307498A (en) * | 1979-11-15 | 1981-12-29 | North American Philips Consumer Electronics Corp. | One piece astigmatic grid for color picture tube electron gun and method of making same |
EP0045547B1 (en) * | 1980-08-04 | 1984-09-26 | Philips ECG Inc. | Method of fabricating an electron gun electrode member for a cathode-ray tube and cathode ray tube comprising an electron gun electrode member fabricated by this method |
-
1983
- 1983-06-15 IT IT8321640A patent/IT1170150B/en active
- 1983-07-13 FR FR8311703A patent/FR2530378A1/en active Pending
- 1983-07-18 DE DE19833325856 patent/DE3325856A1/en not_active Ceased
- 1983-07-18 JP JP58131791A patent/JPS5933740A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5933740A (en) | 1984-02-23 |
IT1170150B (en) | 1987-06-03 |
DE3325856A1 (en) | 1984-01-19 |
FR2530378A1 (en) | 1984-01-20 |
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