Boule Annealing Furnace from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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