VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesScienceQuestion
Question
Science

Which risk increases when etching nanoscale structures by electron beam?

A)Increased electron backscattering
B)Accelerated substrate oxidation
C)Reduced mask undercutting
D)Enhanced surface adhesion

💡 Explanation

Increased electron backscattering results because beam electrons scatter from substrate atoms. The mechanism, Rutherford scattering, means increased scattering at lower e-beam voltages. Therefore, resolution decreases, rather than improve, because more volume is affected by the electron beam.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse Science