Wafer Lapping Plate Mounting Fixture from Japan
Aluminum or stainless steel fixture that attaches lapping plates to wafer grinder/polisher machines (heading 8429) for achieving flatness tolerances on semiconductor wafers prior to fabrication. Ensures parallel mounting. Under 8431.49.9020 as other attachment.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Certify flatness specs (<1 micron) match statistical note requirements for chapter coverage
• Avoid 'lapping plate' standalone declarations; specify as complete mounting attachment