Wafer Thickness Control Pneumatic Actuator from Germany
Precision linear pneumatic actuator maintaining constant wafer thickness during simultaneous double-side grinding operations. Classified HTS 8412.90.9025 as part of linear acting pneumatic motors in semiconductor wafer grinders. Achieves ±0.5 micron thickness uniformity across 300mm wafers.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Document thickness uniformity specs and feedback loop integration; include vibration isolation design certification
• Common misclassification under general grinding machine parts