Intel won't reveal how it manages this feat, but DuPont Photomasks offers a peek.

FORBES: Trick Of The Light

Bracing for the challenge, DuPont Photomasks, which is still 35% -owned by former parent E.

FORBES: Trick of the Light

Most photomasks are created by etching away a thin film of light-blocking chrome from the surface of a quartz plate.

FORBES: Trick of the Light

Engineers at DuPont Photomasks used that predictability to their advantage.

FORBES: Trick Of The Light