SU565053A1 - Compound for aluminum chemical pickling - Google Patents
Compound for aluminum chemical picklingInfo
- Publication number
- SU565053A1 SU565053A1 SU731978469A SU1978469A SU565053A1 SU 565053 A1 SU565053 A1 SU 565053A1 SU 731978469 A SU731978469 A SU 731978469A SU 1978469 A SU1978469 A SU 1978469A SU 565053 A1 SU565053 A1 SU 565053A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- compound
- cyanocomplex
- carbon atoms
- salt
- solvent
- Prior art date
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)
- ing And Chemical Polishing (AREA)
Description
(54) СОСТАВ ДЛЯ ХИМИЧЕСКОГО ТРАВЛЕНИЯ АЛЮМИНИЯ(54) COMPOSITION FOR CHEMICAL POISONING OF ALUMINUM
На скорость и чистоту травлени в таких растворах благопри тно вли ет наличие слабой восстановительной среды, особенно тиосульфата натри .The speed and purity of the etching in such solutions is favored by the presence of a weak reducing medium, especially sodium thiosulfate.
Дл создани и поддержани необходимого дл процесса травлени значени рН вышеуказанны .х растворов хорошо пригодны, помимо соединений с щелочной реакцией, аммиак или амин, содержащий 1-6 атомов углерода . Последние хорошо защищают полученные фотолитографическим путем маски, не у.худща при этом процесса травлени .In order to create and maintain the pH value required for the etching process, the above solutions are well suited, in addition to alkaline compounds, ammonia or amine containing 1-6 carbon atoms. The latter are well protected by the photolithographic masks obtained, not wrinkled during the etching process.
Составленные таким образом травильные растворы легко регенерируютс 2-3 раза без опорожнени травлений ванны путем измерени известным способом окислительно-восстановительного потенциала и рН и доведени содержани израсходованны.х компонентов до нужного уровн , при этом обеспечиваетс быстрое , равномерное и чистое травление без сильного затрагивани боковых поверхностей травимых деталей.The etching solutions so composed are easily regenerated 2-3 times without emptying the etching of the bath by measuring the oxidation-reduction potential and pH in a known manner and adjusting the content of consumed components to the desired level, while providing a quick, uniform and clean etching without strongly affecting the side surfaces. etched parts.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1167104 | 1972-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU565053A1 true SU565053A1 (en) | 1977-10-20 |
Family
ID=5654829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU731978469A SU565053A1 (en) | 1972-11-28 | 1973-11-26 | Compound for aluminum chemical pickling |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU565053A1 (en) |
-
1973
- 1973-11-26 SU SU731978469A patent/SU565053A1/en active
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