GB614672A - Improvements in or relating to the etching of aluminium surfaces - Google Patents
Improvements in or relating to the etching of aluminium surfacesInfo
- Publication number
- GB614672A GB614672A GB21636/46A GB2163646A GB614672A GB 614672 A GB614672 A GB 614672A GB 21636/46 A GB21636/46 A GB 21636/46A GB 2163646 A GB2163646 A GB 2163646A GB 614672 A GB614672 A GB 614672A
- Authority
- GB
- United Kingdom
- Prior art keywords
- etching
- printing
- per cent
- aluminium
- etched
- 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.)
- Expired
Links
Classifications
-
- 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
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
- C23F1/36—Alkaline compositions for etching aluminium or alloys thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
614,672. Etching; printing - surfaces. ALUMINUM CO. OF AMERICA. July 19, 1946, No. 21636. Convention date, March 13, 1944. [Class 100(ii)] [Also in Group XXXVI] Aluminium surfaces are etched to form printing-surfaces, &c. by a solution containing a hydroxide of barium or strontium. A solution of strength 0.5 per cent to saturation is used, preferably of 1 to 5 per cent, and the etching is effected at a temperature less than 170‹F., preferably from 90‹F. to 130‹F. To the etching fluid may be added from 1 to 10 per cent by weight of glycerines, glycols, sugars, or an amine such as urea, ammonium hydroxide, triethanolamine or morpholine. The resist used may be light sensitive, and the aluminium may be treated to form an oxide coating before being etched. A printing- plate prepared as above may be protected by an oxide coating, or by an electrodeposited film of metal such as nickel or chromium.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US614672XA | 1944-03-13 | 1944-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB614672A true GB614672A (en) | 1948-12-20 |
Family
ID=22035983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21636/46A Expired GB614672A (en) | 1944-03-13 | 1946-07-19 | Improvements in or relating to the etching of aluminium surfaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB614672A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3564986A4 (en) * | 2016-12-30 | 2020-07-08 | Eging Photovoltaic Technology Co., Ltd | Method for etching aluminum film of amorphous silicon solar cell |
| CN115679328A (en) * | 2022-10-14 | 2023-02-03 | 湖北兴福电子材料股份有限公司 | Preparation method of aluminum etching solution with high etching rate and depth-to-width ratio |
-
1946
- 1946-07-19 GB GB21636/46A patent/GB614672A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3564986A4 (en) * | 2016-12-30 | 2020-07-08 | Eging Photovoltaic Technology Co., Ltd | Method for etching aluminum film of amorphous silicon solar cell |
| CN115679328A (en) * | 2022-10-14 | 2023-02-03 | 湖北兴福电子材料股份有限公司 | Preparation method of aluminum etching solution with high etching rate and depth-to-width ratio |
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