Which mechanism limits laser etching resolution on silicon wafers?

💡 Explanation

The spot size of a focused laser beam is limited by diffraction; Fraunhofer diffraction creates divergence. Therefore, the etching resolution suffers because the beam spreads beyond the intended focal point, rather than just being limited by thermal or saturation effects.

• Which risk increases when a capacitive discharge welding system cools without controlled dissipation?
• Which relativistic distortion arises from extreme mass-energy density?
• Which consequence results when electron affinity increases significantly?
• Which risk increases when a signal propagates through lossy dielectric?
• Which effect accelerates decay when Uranium concentrates beyond criticality?
• Within a doped semiconductor crystal, which outcome limits electron mobility when impurity concentration increases?