Undoped Gallium Arsenide Wafer 4-inch Diameter from Japan
A 4-inch diameter undoped gallium arsenide wafer is used as a substrate in semiconductor manufacturing for devices like LEDs and solar cells. Although gallium arsenide is an inorganic compound, wafers cut into discs are excluded from Chapter 28 by Chapter Note 8. Such wafers are classified under heading 3818 as semiconductor wafers.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the CBSA classification reflects that cut wafers fall under heading 3818, not 2853
• Provide a certificate of analysis and product datasheet to support the undoped status
• Consider using a customs broker familiar with semiconductor materials to ensure compliance