Crystal Microbalance Sensor 10MHz from China
AT-cut quartz crystal mounted at 10MHz for quartz crystal microbalance (QCM) sensors measuring thin film thickness in vacuum deposition. HTS 8541.60.00 as mounted piezo transducer converting mass changes to frequency shifts. Gold electrodes enable chemical sensing applications.
Duty Rate — China → United States
37.5%
Rate breakdown
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]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Declare electrode material (Au/Cr) and Q value; distinguish from oscillator crystals
• Provide vacuum bakeout certification for semiconductor fab use
• Include sensitivity specs (ng/cm²-Hz) for research instrument classification support