… 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 forms; chemical compounds doped for use in electronics. This heading covers : (1) The chemical … a proportion of a few per cent, with a view to their use in electronics, whether in the form of cylinders, rods, etc., …