KR890016723U - 전자총 구체 - Google Patents
전자총 구체Info
- Publication number
- KR890016723U KR890016723U KR2019880000842U KR880000842U KR890016723U KR 890016723 U KR890016723 U KR 890016723U KR 2019880000842 U KR2019880000842 U KR 2019880000842U KR 880000842 U KR880000842 U KR 880000842U KR 890016723 U KR890016723 U KR 890016723U
- Authority
- KR
- South Korea
- Prior art keywords
- electron gun
- gun sphere
- sphere
- electron
- gun
- Prior art date
Links
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
- H01J29/485—Construction of the gun or of parts thereof
-
- 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
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4824—Constructional arrangements of electrodes
- H01J2229/4831—Electrode supports
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880000842U KR900002892Y1 (ko) | 1988-01-30 | 1988-01-30 | 전자총 구체 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880000842U KR900002892Y1 (ko) | 1988-01-30 | 1988-01-30 | 전자총 구체 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890016723U true KR890016723U (ko) | 1989-08-19 |
KR900002892Y1 KR900002892Y1 (ko) | 1990-04-06 |
Family
ID=19271866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880000842U KR900002892Y1 (ko) | 1988-01-30 | 1988-01-30 | 전자총 구체 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900002892Y1 (ko) |
-
1988
- 1988-01-30 KR KR2019880000842U patent/KR900002892Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900002892Y1 (ko) | 1990-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20020930 Year of fee payment: 13 |
|
EXPY | Expiration of term |