Boule Grinder Diameter Gauge from Japan
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 — 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 measurement accuracy (±1μm) and scanning speed specs,Include SEMI standard references (M1-0302 for 300mm wafers),Careful distinction from Chapter 90 instruments