Boule Annealing Furnace from Japan
Furnace for annealing silicon boules in quartz tubes to relieve stresses post-growth, hot working glass envelopes. HTS 8475.29.00.00 for semiconductor glassware processing. Improves crystal quality.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify quartz tube dimensions; thermal ramp data required
• Pitfall: general oven classification