8423.89.10.00/Electronic Digital Weighing Scale for Semiconductor Wafer Thickness/China

Electronic Digital Weighing Scale for Semiconductor Wafer Thickness from China

This precision electronic scale uses digital load cells and electronic gauging to measure the minute weight differences in semiconductor wafers, ensuring exact thickness and flatness compliance during wafer preparation. It falls under HTS 8423.89.1000 as weighing machinery employing electronic means for gauging, specifically tailored for semiconductor manufacturing processes like those after grinding or polishing. Such scales are critical for quality control in crystal boule processing.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
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Import Tips

• Verify compliance with NIST or OIML standards for accuracy certification, as semiconductor gauging requires traceability

• Include detailed technical specs and end-use statements proving semiconductor application to avoid misclassification

• Watch for pitfalls like undervaluation; provide invoices showing precision class (e.g

• Class 0.001g) for customs valuation