Copper-based chips are semiconductor chips, such as microprocessors, which use copper for interconnections. Since copper is a better conductor than aluminium, this allows the chips to be smaller, and to use less energy, and may hence run faster.
... 180 for Germany, 121 for Italy, and 87 for Spain.
An extensive overseas sales effort has so far yielded just one firm order, 60 aircraft for Greece; with an order ...