SAN JOSE — The 90-day moving average orders at North America-based semiconductor equipment manufacturers was $1.28 billion worldwide in January, up 19.1% year-over-year. Bookings were down 7.2% from the revised December figures, SEMI said.

The book-to-bill ratio for the month was 1.04, meaning that $104 worth of orders were received for every $100 of product billed for the month.

The three-month average worldwide billings in January was $1.24 billion, down 8.3% from the final December figure and up 27.9% from January 2013.

The SEMI book-to-bill is a ratio of three-month moving averages of worldwide bookings and billings for North American-based semiconductor equipment manufacturers. Billings and bookings figures are in millions of U.S. dollars.

Source: SEMI, February 2014