JPS55159545A - Color video tube with slittlike shadow mask and method of fabricating same - Google Patents
Color video tube with slittlike shadow mask and method of fabricating sameInfo
- Publication number
- JPS55159545A JPS55159545A JP6705080A JP6705080A JPS55159545A JP S55159545 A JPS55159545 A JP S55159545A JP 6705080 A JP6705080 A JP 6705080A JP 6705080 A JP6705080 A JP 6705080A JP S55159545 A JPS55159545 A JP S55159545A
- Authority
- JP
- Japan
- Prior art keywords
- slittlike
- shadow mask
- color video
- fabricating same
- video tube
- 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.)
- Pending
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
- H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
- H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
- H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4199879A | 1979-05-24 | 1979-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55159545A true JPS55159545A (en) | 1980-12-11 |
Family
ID=21919501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6705080A Pending JPS55159545A (en) | 1979-05-24 | 1980-05-19 | Color video tube with slittlike shadow mask and method of fabricating same |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS55159545A (en) |
CA (1) | CA1142570A (en) |
DD (1) | DD153023A5 (en) |
DE (1) | DE3019816A1 (en) |
FR (1) | FR2457561A1 (en) |
IT (1) | IT1131155B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0240840A (en) * | 1988-07-30 | 1990-02-09 | Dainippon Screen Mfg Co Ltd | Shadow mask for color picture tube |
US5280215A (en) * | 1990-11-22 | 1994-01-18 | Kabushiki Kaisha Toshiba | Shadow mask for color cathode ray tube |
US7459840B2 (en) | 2005-04-15 | 2008-12-02 | Samsung Sdi Co., Ltd. | Shadow mask for cathode ray tube (CRT) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029916A (en) * | 1973-04-06 | 1975-03-26 | ||
JPS5158065A (en) * | 1974-11-18 | 1976-05-21 | Hitachi Ltd | KARAAJUZOKAN |
JPS5320853A (en) * | 1976-08-11 | 1978-02-25 | Hitachi Ltd | Rear-stage convergence type color picture tube |
JPS5376741A (en) * | 1976-12-20 | 1978-07-07 | Toshiba Corp | Shadow mask its fabrication |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL203836A (en) * | 1956-01-21 | |||
DE1951304A1 (en) * | 1968-10-30 | 1970-05-21 | Sanyo Electric Co | Color cathode ray tubes |
US3834905A (en) * | 1973-05-23 | 1974-09-10 | Rca Corp | Method of making elliptically or rectangularly graded photoprinting masters |
US3955980A (en) * | 1974-11-04 | 1976-05-11 | Zenith Radio Corporation | Method for making a color selection mask for a color cathode ray tube |
-
1980
- 1980-05-06 IT IT21829/80A patent/IT1131155B/en active
- 1980-05-13 CA CA000351855A patent/CA1142570A/en not_active Expired
- 1980-05-13 FR FR8010701A patent/FR2457561A1/en not_active Withdrawn
- 1980-05-19 JP JP6705080A patent/JPS55159545A/en active Pending
- 1980-05-22 DD DD80221313A patent/DD153023A5/en unknown
- 1980-05-23 DE DE19803019816 patent/DE3019816A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029916A (en) * | 1973-04-06 | 1975-03-26 | ||
JPS5158065A (en) * | 1974-11-18 | 1976-05-21 | Hitachi Ltd | KARAAJUZOKAN |
JPS5320853A (en) * | 1976-08-11 | 1978-02-25 | Hitachi Ltd | Rear-stage convergence type color picture tube |
JPS5376741A (en) * | 1976-12-20 | 1978-07-07 | Toshiba Corp | Shadow mask its fabrication |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0240840A (en) * | 1988-07-30 | 1990-02-09 | Dainippon Screen Mfg Co Ltd | Shadow mask for color picture tube |
US5280215A (en) * | 1990-11-22 | 1994-01-18 | Kabushiki Kaisha Toshiba | Shadow mask for color cathode ray tube |
US5411822A (en) * | 1990-11-22 | 1995-05-02 | Kabushiki Kaisha Toshiba | Shadow mask for color cathode ray tube, shadow mask printing negative plate used for manufacture of the shadow mask, and method and manufacturing the negative plate |
EP0715331A2 (en) | 1990-11-22 | 1996-06-05 | Kabushiki Kaisha Toshiba | Negative plate used for manufacture of a shadow mask, and method for manufacturing the negative plate |
US7459840B2 (en) | 2005-04-15 | 2008-12-02 | Samsung Sdi Co., Ltd. | Shadow mask for cathode ray tube (CRT) |
Also Published As
Publication number | Publication date |
---|---|
IT1131155B (en) | 1986-06-18 |
CA1142570A (en) | 1983-03-08 |
FR2457561A1 (en) | 1980-12-19 |
DE3019816A1 (en) | 1980-11-27 |
IT8021829A0 (en) | 1980-05-06 |
DD153023A5 (en) | 1981-12-16 |
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