Boule Grinder Diameter Gauge from Canada
In-process laser diameter measurement gauge for crystal boule grinders ensuring wafers cut from boule meet SEMI diameter tolerances (±0.5mm). Real-time feedback to CNC controls. Part of 8479.89.10 crystal grinders under 8479.90.41.00.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify measurement accuracy (±1μm) and scanning speed specs,Include SEMI standard references (M1-0302 for 300mm wafers),Careful distinction from Chapter 90 instruments