JPS57187842A - Electromagnetic focusing crt - Google Patents
Electromagnetic focusing crtInfo
- Publication number
- JPS57187842A JPS57187842A JP7226581A JP7226581A JPS57187842A JP S57187842 A JPS57187842 A JP S57187842A JP 7226581 A JP7226581 A JP 7226581A JP 7226581 A JP7226581 A JP 7226581A JP S57187842 A JPS57187842 A JP S57187842A
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- holder
- tube
- focusing
- screw
- 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.)
- Granted
Links
- 238000010894 electron beam technology Methods 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7226581A JPS57187842A (en) | 1981-05-15 | 1981-05-15 | Electromagnetic focusing crt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7226581A JPS57187842A (en) | 1981-05-15 | 1981-05-15 | Electromagnetic focusing crt |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187842A true JPS57187842A (en) | 1982-11-18 |
JPH0316731B2 JPH0316731B2 (enrdf_load_stackoverflow) | 1991-03-06 |
Family
ID=13484276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7226581A Granted JPS57187842A (en) | 1981-05-15 | 1981-05-15 | Electromagnetic focusing crt |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57187842A (enrdf_load_stackoverflow) |
-
1981
- 1981-05-15 JP JP7226581A patent/JPS57187842A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0316731B2 (enrdf_load_stackoverflow) | 1991-03-06 |
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