BE744171A - Procede d'elargissement pour morsure en deux etapes pour ouvertures de masques d'ombre - Google Patents
Procede d'elargissement pour morsure en deux etapes pour ouvertures de masques d'ombreInfo
- Publication number
- BE744171A BE744171A BE744171DA BE744171A BE 744171 A BE744171 A BE 744171A BE 744171D A BE744171D A BE 744171DA BE 744171 A BE744171 A BE 744171A
- Authority
- BE
- Belgium
- Prior art keywords
- shadow mask
- enlargement process
- mask openings
- bite
- step bite
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85045069A | 1969-08-15 | 1969-08-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE744171A true BE744171A (fr) | 1970-06-15 |
Family
ID=25308134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE744171D BE744171A (fr) | 1969-08-15 | 1970-01-08 | Procede d'elargissement pour morsure en deux etapes pour ouvertures de masques d'ombre |
Country Status (7)
Country | Link |
---|---|
US (1) | US3609033A (fr) |
JP (1) | JPS501870B1 (fr) |
BE (1) | BE744171A (fr) |
DE (1) | DE2005151A1 (fr) |
FR (1) | FR2057648A5 (fr) |
GB (1) | GB1252713A (fr) |
NL (1) | NL7009574A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4926590B1 (fr) * | 1970-09-03 | 1974-07-10 | ||
US3861798A (en) * | 1972-05-22 | 1975-01-21 | Hitachi Ltd | Mask for aligning patterns |
US3929532A (en) * | 1974-07-17 | 1975-12-30 | Rca Corp | Method for etching apertured work piece |
US3909311A (en) * | 1974-08-05 | 1975-09-30 | Hitachi Ltd | Shadow mask for use in color picture tube and method for fabricating same |
JPS5947946U (ja) * | 1982-09-21 | 1984-03-30 | 大同特殊鋼株式会社 | 多段ロ−タリスイツチ |
US5348825A (en) * | 1991-07-02 | 1994-09-20 | Dai Nippon Printing Co., Ltd. | Method for manufacturing shadow mask and shadow mask manufactured by said method |
EP0641009B1 (fr) * | 1993-08-25 | 2000-01-05 | Kabushiki Kaisha Toshiba | Tube à rayons cathodiques couleur et procédé de fabrication |
-
1969
- 1969-08-15 US US850450A patent/US3609033A/en not_active Expired - Lifetime
-
1970
- 1970-01-08 BE BE744171D patent/BE744171A/fr unknown
- 1970-01-14 GB GB1252713D patent/GB1252713A/en not_active Expired
- 1970-02-05 DE DE19702005151 patent/DE2005151A1/de not_active Withdrawn
- 1970-03-17 FR FR7009564A patent/FR2057648A5/fr not_active Expired
- 1970-04-08 JP JP45029470A patent/JPS501870B1/ja active Pending
- 1970-06-29 NL NL7009574A patent/NL7009574A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1252713A (fr) | 1971-11-10 |
US3609033A (en) | 1971-09-28 |
DE2005151A1 (de) | 1971-02-25 |
JPS501870B1 (fr) | 1975-01-22 |
NL7009574A (fr) | 1971-02-17 |
FR2057648A5 (fr) | 1971-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE759763A (fr) | Procede pour la preparption de 1,2-polybutadiene | |
BE838223Q (fr) | Procede d'hydrodesulfuration | |
BE772957A (fr) | Procede pour le revetement de comprimes a l'aide de | |
BE757476A (fr) | Procede d'oxydeshydrogenation | |
BE768898A (fr) | Procede d'ajustement de capacites | |
RO63610A (fr) | Procede pour obtenir du protoxyde d'azote | |
BE836455A (fr) | Procede d'estampage | |
BE756611A (fr) | Procede pour l'obtention du zinc | |
BE750150A (fr) | Procede pour l'obtention de polyurethanes | |
BE744171A (fr) | Procede d'elargissement pour morsure en deux etapes pour ouvertures de masques d'ombre | |
BE757561A (fr) | Procede d'obtention d'ethyl-2-hexanol pur | |
BE746276A (fr) | Procede de fabrication d'acetylene | |
BE752891A (fr) | Procede de preparation de l'acetylene | |
BE754420A (fr) | Procede pour la preparation de 4-ureidohexahydropyrimidinone -(2) | |
FR2012288A1 (fr) | Procede pour l'obtention de polyimides | |
BE757727A (fr) | Procede d'encapsulation | |
BE751536A (fr) | Procede de preparation de l'isoprene | |
BE758246A (fr) | Procede de fabrication d'engrais epandables | |
BE770523A (fr) | Procede pour l'obtention d'hellebrine | |
BE754434A (fr) | Procede d'enrobage | |
BE755029A (fr) | Procede pour la preparation du 1,3-diacetoxy-2-methylene- propane | |
BE777069A (fr) | Procede d'obtention d'hydrogenochlorosilanes | |
BE749026A (fr) | Procede pour la preparation de 5,6-dihydro-2h-thiopyrane -3-carboxaldehyde | |
BE793190A (fr) | Procede de dedoublement d'une cyclopentenolone | |
BE746582A (fr) | Procede ameliore de formation d'image |