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.
... French historian
July 14 - Anton Chekhov, Russian playwright and short story writer
July 22 - Wilson Barrett, actor
August 22 - Kate Chopin, author
August 25 - ...