MD940200A - Электролитически регенерируемый раствор для травления печатных плат - Google Patents
Электролитически регенерируемый раствор для травления печатных платInfo
- Publication number
- MD940200A MD940200A MD94-0200A MD940200A MD940200A MD 940200 A MD940200 A MD 940200A MD 940200 A MD940200 A MD 940200A MD 940200 A MD940200 A MD 940200A
- Authority
- MD
- Moldova
- Prior art keywords
- etching
- printed circuit
- circuit boards
- regenerated solution
- vanadium
- Prior art date
Links
- 238000005530 etching Methods 0.000 title abstract 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 abstract 2
- 229910052720 vanadium Inorganic materials 0.000 abstract 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract 1
- 229910000881 Cu alloy Inorganic materials 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 1
- 239000001166 ammonium sulphate Substances 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000003682 vanadium compounds Chemical class 0.000 abstract 1
Landscapes
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Abstract
Предлагается электролитически регенерируемый раствор для травления печатных плат и фасонных деталей из меди и медных сплавов, с содержанием тетрамминсульфата меди, аммиака, сульфата аммония, хлорида аммония, в случае необходимости нитрата аммония, а также повышающего скорость травления катализатора.По изобретению подобный состав для травления отличается содержанием ванадия или ванадиевого соединения в качестве катализатора в количестве от 1 мг до 99 мг/л раствора для травления, в пересчете на ванадий.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0143390A AT395177B (de) | 1990-07-05 | 1990-07-05 | Aetzloesung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MD940200A true MD940200A (ru) | 1996-01-31 |
Family
ID=62142642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0200A MD940200A (ru) | 1990-07-05 | 1994-07-12 | Электролитически регенерируемый раствор для травления печатных плат |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD940200A (ru) |
-
1994
- 1994-07-12 MD MD94-0200A patent/MD940200A/ru unknown
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