IT8021829A0 - TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A SLIT SHADOW MASK AND METHOD OF MANUFACTURE THEREOF. - Google Patents
TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A SLIT SHADOW MASK AND METHOD OF MANUFACTURE THEREOF.Info
- Publication number
- IT8021829A0 IT8021829A0 IT8021829A IT2182980A IT8021829A0 IT 8021829 A0 IT8021829 A0 IT 8021829A0 IT 8021829 A IT8021829 A IT 8021829A IT 2182980 A IT2182980 A IT 2182980A IT 8021829 A0 IT8021829 A0 IT 8021829A0
- Authority
- IT
- Italy
- Prior art keywords
- reproduction
- manufacture
- tube
- shadow mask
- color television
- Prior art date
Links
- SQEHCNOBYLQFTG-UHFFFAOYSA-M lithium;thiophene-2-carboxylate Chemical compound [Li+].[O-]C(=O)C1=CC=CS1 SQEHCNOBYLQFTG-UHFFFAOYSA-M 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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 (2)
Publication Number | Publication Date |
---|---|
IT8021829A0 true IT8021829A0 (en) | 1980-05-06 |
IT1131155B IT1131155B (en) | 1986-06-18 |
Family
ID=21919501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21829/80A IT1131155B (en) | 1979-05-24 | 1980-05-06 | TUBE FOR THE REPRODUCTION OF COLOR TELEVISION IMAGES PRESENTING A O'OMBRA SLIT MASK AND MANUFACTURING METHOD OF THE 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) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2741036B2 (en) * | 1988-07-30 | 1998-04-15 | 大日本スクリーン製造株式会社 | Shadow mask for color picture tube |
DE69132527T2 (en) * | 1990-11-22 | 2001-08-23 | Toshiba Kawasaki Kk | Negative plate for producing a shadow mask and method for producing the negative plate |
KR20060109100A (en) | 2005-04-15 | 2006-10-19 | 삼성에스디아이 주식회사 | Shadow mask for cathode ray tube |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL107875C (en) * | 1956-01-21 | |||
DE1951304A1 (en) * | 1968-10-30 | 1970-05-21 | Sanyo Electric Co | Color cathode ray tubes |
GB1430864A (en) * | 1973-04-06 | 1976-04-07 | Woollenweber W E | Rotatable assembly including two vaned wheels mounted on a common shaft |
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 |
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 |
-
1980
- 1980-05-06 IT IT21829/80A patent/IT1131155B/en active
- 1980-05-13 FR FR8010701A patent/FR2457561A1/en not_active Withdrawn
- 1980-05-13 CA CA000351855A patent/CA1142570A/en not_active Expired
- 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
Also Published As
Publication number | Publication date |
---|---|
JPS55159545A (en) | 1980-12-11 |
FR2457561A1 (en) | 1980-12-19 |
IT1131155B (en) | 1986-06-18 |
DD153023A5 (en) | 1981-12-16 |
DE3019816A1 (en) | 1980-11-27 |
CA1142570A (en) | 1983-03-08 |
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