Silicon Crystal Annealing Furnace from Japan
Rapid thermal annealing equipment for semiconductor crystals uses precisely controlled heating/cooling cycles to relieve stresses in silicon boules post-grinding, preventing wafer cracking. Temperature treatment process per Chapter 84. HTS 8419.89.95 for non-furnace specific semiconductor thermal equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document ramp rates (e.g
• 50°C/sec) proving semiconductor-grade thermal control
• Avoid 8514 classification by emphasizing process integration over furnace function
• Include boule size compatibility (150-450mm) specs