What Challenges are Associated with Etchant Concentration?
One of the primary challenges is achieving the right balance between etching rate and surface quality. High concentrations can lead to rapid etching but may cause surface roughness and damage to sensitive structures. Low concentrations, while providing smoother surfaces, may result in prolonged etching times and potential under-etching. Additionally, the compatibility of the etchant with the material being etched is crucial, as different materials require different etching chemistries.
