… Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics. …
Explanatory notes
… 38.18 ‑ Chemical elements doped for use in electronics, in the form of discs, wafers or similar … Chemical compounds such as cadmium selenide and sulphide, indium arsenide, etc., containing certain additives (e.g., … whether in the form of cylinders, rods, etc., or cut into discs, wafers or similar forms. The heading covers such …