GB2227193B - Manufacturing method for electrode of electron gun of cathode ray tube - Google Patents
Manufacturing method for electrode of electron gun of cathode ray tubeInfo
- Publication number
- GB2227193B GB2227193B GB9001301A GB9001301A GB2227193B GB 2227193 B GB2227193 B GB 2227193B GB 9001301 A GB9001301 A GB 9001301A GB 9001301 A GB9001301 A GB 9001301A GB 2227193 B GB2227193 B GB 2227193B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- manufacturing
- ray tube
- cathode ray
- electron gun
- 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.)
- Expired - Lifetime
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
-
- 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)
- Forging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890000595A KR910004753B1 (en) | 1989-01-20 | 1989-01-20 | Manufacturing methode for electrode of crt |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9001301D0 GB9001301D0 (en) | 1990-03-21 |
GB2227193A GB2227193A (en) | 1990-07-25 |
GB2227193B true GB2227193B (en) | 1992-09-23 |
Family
ID=19283277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9001301A Expired - Lifetime GB2227193B (en) | 1989-01-20 | 1990-01-19 | Manufacturing method for electrode of electron gun of cathode ray tube |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR910004753B1 (en) |
CN (1) | CN1023851C (en) |
GB (1) | GB2227193B (en) |
MY (1) | MY104888A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950004400B1 (en) * | 1992-12-07 | 1995-04-28 | 주식회사 금성사 | Focusing electrode for electron gun and manufacturing method for the same |
EP1094489A3 (en) * | 1999-10-22 | 2006-02-08 | Hitachi, Ltd. | Cathode ray tube and method for manufacturing the same |
CN101577202B (en) * | 2008-05-09 | 2011-12-07 | 襄樊市宏盛昌电子机械有限责任公司 | Electrode forming process for discharge tube and die designed for implementing same |
CN113523091B (en) * | 2021-06-23 | 2022-07-19 | 东风柳州汽车有限公司 | 7-shaped hole machining method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2052845A (en) * | 1979-05-18 | 1981-01-28 | Hitachi Ltd | Electrode for a colour crt electron gun |
-
1989
- 1989-01-20 KR KR1019890000595A patent/KR910004753B1/en not_active IP Right Cessation
- 1989-12-15 MY MYPI89001775A patent/MY104888A/en unknown
- 1989-12-20 CN CN89109763A patent/CN1023851C/en not_active Expired - Lifetime
-
1990
- 1990-01-19 GB GB9001301A patent/GB2227193B/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2052845A (en) * | 1979-05-18 | 1981-01-28 | Hitachi Ltd | Electrode for a colour crt electron gun |
Also Published As
Publication number | Publication date |
---|---|
KR910004753B1 (en) | 1991-07-10 |
KR900012313A (en) | 1990-08-03 |
CN1023851C (en) | 1994-02-16 |
CN1044363A (en) | 1990-08-01 |
GB9001301D0 (en) | 1990-03-21 |
MY104888A (en) | 1994-06-30 |
GB2227193A (en) | 1990-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |