… 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 … This heading covers : (1) The chemical elements of Chapter 28 (for example, silicon and selenium) doped with, … are classified in Chapter 28 . (2) Chemical compounds such as cadmium selenide and sulphide, indium arsenide, …