KR0125148Y1 - 칼라음극선관용 전자총의 주렌즈 구조 - Google Patents
칼라음극선관용 전자총의 주렌즈 구조Info
- Publication number
- KR0125148Y1 KR0125148Y1 KR2019950009489U KR19950009489U KR0125148Y1 KR 0125148 Y1 KR0125148 Y1 KR 0125148Y1 KR 2019950009489 U KR2019950009489 U KR 2019950009489U KR 19950009489 U KR19950009489 U KR 19950009489U KR 0125148 Y1 KR0125148 Y1 KR 0125148Y1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- electron gun
- main lens
- electron beam
- grid
- Prior art date
Links
- 238000010894 electron beam technology Methods 0.000 claims abstract description 31
- 201000009310 astigmatism Diseases 0.000 claims description 6
- 230000004075 alteration Effects 0.000 abstract description 13
- 239000011521 glass Substances 0.000 description 4
- 239000002784 hot electron Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
- H01J29/62—Electrostatic lenses
-
- 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
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
- H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
-
- 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
- H01J2229/50—Plurality of guns or beams
- H01J2229/502—Three beam guns, e.g. for colour CRTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/56—Correction of beam optics
- H01J2229/563—Aberrations by type
- H01J2229/5632—Spherical
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
Description
Claims (2)
- 렌즈의 실효구경을 확대하기 위해 주렌즈형성용 통전극의 대향면에 전자빔중 중앙의 전자빔 통로만을 둘러싸도록 곡면레일을 형성시킨 극판을 각각 구비한것을 특징으로 하는 칼라브라운관용 전자총의 주렌즈구조.
- 제1항에 잇어서, 극판은 수평과 수직방향의 렌즈집속력차에 의한 비점수차를 보정하도록 사각형상으로 구성하고 개공의 수평폭은 수직폭보다 작게 구비한것을 특징으로 하는 칼라브라운관용 전자총의 주렌즈구조.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950009489U KR0125148Y1 (ko) | 1995-05-04 | 1995-05-04 | 칼라음극선관용 전자총의 주렌즈 구조 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950009489U KR0125148Y1 (ko) | 1995-05-04 | 1995-05-04 | 칼라음극선관용 전자총의 주렌즈 구조 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960038681U KR960038681U (ko) | 1996-12-18 |
KR0125148Y1 true KR0125148Y1 (ko) | 1998-10-01 |
Family
ID=19412700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019950009489U KR0125148Y1 (ko) | 1995-05-04 | 1995-05-04 | 칼라음극선관용 전자총의 주렌즈 구조 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0125148Y1 (ko) |
-
1995
- 1995-05-04 KR KR2019950009489U patent/KR0125148Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960038681U (ko) | 1996-12-18 |
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