According to Semi, the North American manufacturers of semiconductor equipment posted $1.23 billion in orders in September 2007 (three-month average basis) and a book-to-bill ratio of 0.81. A book-to-bill of 0.81 means that $81 worth of orders were received for every $100 of product billed for the month.
Below is the latest SEMI book-to-bill ratio, which 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.
|September 2007 (prelim.)||1,510.8||1,228.6||0.81|
|August 2007 (final)||1,682.3||1,371.2||0.82|