Sapphire Wafer Substrate Mold
Mold for growing sapphire boules used as substrates for LED/GaN semiconductor wafers. HTS 8480.49.0090 covers metal carbide molds for semiconductor material processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mineral material molds (optical)
Non-semiconductor mineral processing uses different subheading.
If optical element molds
Optical sapphire windows/lenses use Chapter 90.
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Import Tips & Compliance
• Document sapphire as semiconductor substrate material
• Specify boule growth method (Kyropoulos/Heat Exchange)
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