Gold Etchant "AURUM Series"
A gold etchant for high-precision patterning with minimal residue. Delivers excellent profiles in fine bump and wiring formation.
The "AURUM Series" is an etching solution for Au thin films that offers excellent wettability and achieves superior processing shapes in high-resolution bump and wiring formation processes, with a long liquid life. 【Features】 - Minimal etching residue, enabling high-resolution patterning - Free of cyan compounds, with excellent surface smoothness - Long liquid life, allowing for cost reduction - Excellent selectivity against dissimilar metals such as Al, Ni, Cr, and Ti - Does not damage substrates like Si and glass We offer high etching rate products for high resolution... AURUM-304: approximately 300nm/min (30℃) Low etching rate products for high resolution... AURUM-302: approximately 100nm/min (30℃) *For more details, please feel free to contact us.
