North American Semiconductor Equipment Industry Posts Sept. 2007 Book-to-Bill

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North American Semiconductor Equipment Industry Posts September 2007 Book-to-Bill Ratio of 0.81

SAN JOSE, Calif. – October 18, 2007 – North American-based 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 according to the September 2007 Book-to-Bill Report published today by SEMI. A book-to-bill of 0.81 means that $81 worth of orders were received for every $100 of product billed for the month.

The three-month average of worldwide bookings in September 2007 was $1.23 billion. The bookings figure is down about 10 percent from the final August 2007 level of $1.37 billion and 25 percent less than the $1.64 billion in orders posted in September 2006.

The three-month average of worldwide billings in September 2007 was $1.51 billion. The billings figure is 10 percent less than the final August 2007 level of $1.68 billion and about nine percent less than the September 2006 billings level of $1.67 billion.

“New equipment orders have dipped to levels last seen in late 2005 and early 2006,” said Stanley T. Myers, president and CEO of SEMI. “We are seeing orders decline from the peak levels earlier this year, which were driven largely by strong investments in 300 mm memory capacity."

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.



(Three-month avg.)


(Three-month avg.)


April 2007




May 2007




June 2007




July 2007




August 2007 (final)




September 2007 (prelim.)




Source: SEMI October 2007

The data contained in this release was compiled by David Powell, Inc., an independent financial services firm, without audit, from data submitted directly by the participants. SEMI and David Powell, Inc. assume no responsibility for the accuracy of the underlying data.

The data are contained in a monthly Book-to-Bill Report published by SEMI. The report tracks billings and bookings worldwide of North American-headquartered manufacturers of equipment used to manufacture semiconductor devices, not billings and bookings of the chips themselves.

SEMI is a global industry association serving companies that provide equipment, materials and services used to manufacture semiconductors, displays, nano-scaled structures, micro-electromechanical systems (MEMS) and related technologies. SEMI maintains offices in Austin, Beijing, Brussels, Hsinchu, Moscow, Silicon Valley, Seoul, Shanghai, Singapore, Tokyo and Washington, D.C. For more information, visit

Association Contacts

Dan Tracy/SEMI
Tel: 1.408.943.7987

Scott Smith/SEMI
Tel: 1.408.943.7957

Editors Note:

The October 2007 SEMI Book-to-Bill Report is scheduled for publication on November 15, 2007; 3:00 p.m. PDT (subject to change).

Independently from SEMI, The Semiconductor Equipment Association of Japan (SEAJ) releases its July Book-to-Bill Report on approximately the same date. The SEAJ Book-to-Bill Report tracks billings and bookings worldwide of Japanese-headquartered semiconductor equipment manufacturers. For more information on the SEAJ data, visit

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