Piezo-electric quartz
Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport: > Piezo-electric quartz
Duty Rate (from China)
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
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 7104.10.00.00
Piezoelectric Quartz Crystal for Watches
High-precision synthetic quartz crystals engineered for use in quartz watch movements, exhibiting piezo-electric properties when subjected to mechanical stress. Classified under HTS 7104.10.00.00 as piezo-electric quartz, a synthetic precious or semiprecious stone, worked but not mounted or set. These crystals generate stable frequencies essential for timekeeping accuracy.
AT-Cut Piezoelectric Quartz Blank
Synthetic AT-cut quartz blanks precision-cut for oscillator applications, featuring optimal temperature stability due to piezo-electric characteristics. Falls under HTS 7104.10.00.00 as worked synthetic piezo-electric quartz, not strung, mounted, or set. Used primarily in electronics for frequency control.
Synthetic Piezoelectric Quartz Resonator Wafer
Thin synthetic quartz wafers cut for high-frequency resonators, leveraging piezo-electric effect for signal generation in communication devices. HTS 7104.10.00.00 applies to these unmounted, graded synthetic stones. Essential for RF filters and mobile phone timing circuits.
Frequency Control Piezo-Quartz Bar
Synthetic quartz bars engineered for precision frequency control in telecommunications equipment, utilizing inverse piezo-electric effect. Classified HTS 7104.10.00.00 as worked piezo-electric quartz, temporarily strung only for transport convenience. Provides stable oscillation for base stations.
High-Purity Piezoelectric Quartz Plate
Ultra-pure synthetic quartz plates for medical ultrasound transducers, converting electrical energy to mechanical via piezo-electric properties. HTS 7104.10.00.00 covers these graded, unmounted synthetic semiprecious stones. Critical for non-invasive imaging equipment.
SC-Cut Synthetic Piezo Quartz Crystal
Stress-compensated (SC-cut) synthetic quartz crystals for aerospace GPS receivers, offering superior frequency stability through piezo-electric optimization. Under HTS 7104.10.00.00 as unmounted piezo-electric quartz. Meets stringent vibration and temperature specs.
Piezoelectric Quartz Sensor Element
Synthetic quartz elements for pressure and vibration sensors in automotive applications, generating electrical signals via piezo-electric effect. HTS 7104.10.00.00 for unmounted, worked synthetic piezo-quartz. Used in engine management systems.
Bulk Piezoelectric Quartz Blanks 5MHz
Bulk pack of 5MHz synthetic quartz blanks for consumer electronics timing circuits, precision-ground for piezo-electric uniformity. Classified HTS 7104.10.00.00 as graded synthetic piezo-quartz, temporarily strung for transport. High-volume electronics production.