BR7600036A - Processo de desbaste quimico de aberturas em uma folha metalica fina - Google Patents
Processo de desbaste quimico de aberturas em uma folha metalica finaInfo
- Publication number
- BR7600036A BR7600036A BR7600036A BR7600036A BR7600036A BR 7600036 A BR7600036 A BR 7600036A BR 7600036 A BR7600036 A BR 7600036A BR 7600036 A BR7600036 A BR 7600036A BR 7600036 A BR7600036 A BR 7600036A
- Authority
- BR
- Brazil
- Prior art keywords
- openings
- metal sheet
- thin metal
- charging process
- chemical charging
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/02—Local etching
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7500247A NL7500247A (nl) | 1975-01-09 | 1975-01-09 | Werkwijze voor het etsen van openingen in een dunne metalen band. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7600036A true BR7600036A (pt) | 1976-08-03 |
Family
ID=19822960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7600036A BR7600036A (pt) | 1975-01-09 | 1976-01-06 | Processo de desbaste quimico de aberturas em uma folha metalica fina |
Country Status (10)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56139676A (en) * | 1980-04-02 | 1981-10-31 | Toshiba Corp | Method and apparatus for etching metal sheet |
| JPS6023515A (ja) * | 1983-07-18 | 1985-02-06 | Nitto Kasen Kogyo Kk | 横開き水門の閉塞装置 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2750524A (en) * | 1951-11-15 | 1956-06-12 | Mergenthaler Linotype Gmbh | Perforate mask for multicolor television apparatus and method of producting same |
| US3679500A (en) * | 1970-08-07 | 1972-07-25 | Dainippon Screen Mfg | Method for forming perforations in metal sheets by etching |
-
1975
- 1975-01-09 NL NL7500247A patent/NL7500247A/xx unknown
-
1976
- 1976-01-05 IT IT6701076A patent/IT1055737B/it active
- 1976-01-05 AU AU10015/76A patent/AU503706B2/en not_active Expired
- 1976-01-06 BR BR7600036A patent/BR7600036A/pt unknown
- 1976-01-06 GB GB32876A patent/GB1480323A/en not_active Expired
- 1976-01-07 BE BE163368A patent/BE837377A/xx unknown
- 1976-01-07 ES ES444114A patent/ES444114A1/es not_active Expired
- 1976-01-07 JP JP133876A patent/JPS5536268B2/ja not_active Expired
- 1976-01-08 CA CA243,150A patent/CA1054905A/en not_active Expired
- 1976-01-09 FR FR7600398A patent/FR2297258A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5193739A (US07608600-20091027-C00054.png) | 1976-08-17 |
| CA1054905A (en) | 1979-05-22 |
| ES444114A1 (es) | 1977-04-16 |
| BE837377A (fr) | 1976-07-07 |
| JPS5536268B2 (US07608600-20091027-C00054.png) | 1980-09-19 |
| AU1001576A (en) | 1977-07-14 |
| DE2558335A1 (de) | 1976-07-15 |
| FR2297258A1 (fr) | 1976-08-06 |
| GB1480323A (en) | 1977-07-20 |
| AU503706B2 (en) | 1979-09-13 |
| FR2297258B1 (US07608600-20091027-C00054.png) | 1980-03-21 |
| IT1055737B (it) | 1982-01-11 |
| NL7500247A (nl) | 1976-07-13 |
| DE2558335B2 (de) | 1976-12-23 |
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