English: In the early days, there were no “bunny suits” or gowns and masks that today’s fab technicians wear in state-of-the-art chip factories. Here, a fab technician in her official Intel smock operates what was known at the time as a Veeco Leak Detector. Semiconductors were placed in water and then a vacuum was drawn on them. If a semiconductor had a leak, the water would destroy the integrated circuit and then it would be identified at testing as a non-functioning unit. Intel Free Press story: A Look Back on the Early Years -- Intel photo archives: Silicon Valley technology legends from the 1970s.