Patent ID: 11932959
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  H  Y | IPC C

Claim 9:
10. The copper plating solution according to claim 1, wherein each liter of copper plating solution contains 60-120 g/L of copper sulfate, 80-110 mL/L of 98% sulfuric acid, 40-90 ppm of hydrochloric acid measured in chloride ions, 2-12 mL/L of the brightener, 1-4 mL/L of the leveling agent, 0.5-2 mL/L of the moistening agent, 0.01-0.2 mL/L of the grain refiner, and deionized water for the rest part.