Section VI — Products of the chemical or allied industries
Heading
3818
Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.
Common commodities
Monocrystalline P-type boron-doped silicon wafersN-type phosphorus-doped silicon wafersGermanium discs for transistor fabricationElectronic grade Gallium arsenide doped crystalsIndium antimonide doped semiconductor substratesHigh purity monocrystalline silicon slices (99.99%)Boron-doped P-type silicon wafers for solar cellsN-type phosphorus-doped silicon wafer substratesP-type silicon wafers for power electronicsGermanium wafers for high-frequency transistors