North American Semiconductor Equipment Industry Posts March 2009 Book-to-Bill Ratio of 0.61

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North American Semiconductor Equipment Industry Posts March 2009 Book-to-Bill Ratio of 0.61

SAN JOSE, Calif. – April 16, 2009– North America-based manufacturers of semiconductor equipment posted $278.9 million in orders in March 2009 (three-month average basis) and a book-to-bill ratio of 0.61 according to the March 2009 Book-to-Bill Report published today by SEMI. A book-to-bill of 0.61 means that $61 worth of orders were received for every $100 of product billed for the month.

The three-month average of worldwide bookings in March 2009 was $278.9 million. The bookings figure is about eight percent greater than the final February 2009 level of $258.4 million, and about 76 percent less than the $1.17 billion in orders posted in March 2008.

The three-month average of worldwide billings in March 2009 was $455.3 million. The billings figure is about 13 percent less than the final February 2009 level of $525.5 million, and about 66 percent less than the March 2008 billings level of $1.34 billion.

“The sharp decline in bookings levels has abated," said Stanley T. Myers, president and CEO of SEMI. However, the improvement in the March book to bill ratio is primarily attributed to reduced billings, and semiconductor equipment bookings remain at levels below that needed to support a healthy supply chain."

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.)


October 2008




November 2008




December 2008




January 2009




February 2009 (final)




March 2009 (prelim.)




Source: SEMI April 2009

The data contained in this release were 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. The Book-to-Bill report is one of three reports included with the Equipment Market Data Subscription (EMDS).

SEMI is the global industry association serving the manufacturing supply chains for the microelectronic, display and photovoltaic industries. SEMI member companies are the engine of the future, enabling smarter, faster and more economical products that improve our lives. Since 1970, SEMI has been committed to helping members grow more profitably, create new markets and meet common industry challenges. SEMI maintains offices in Austin, Bangalore, Beijing, Brussels, Hsinchu, Moscow, San Jose, 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:
Next SEMI Book-to-Bill: May 21, 2009; 3:00 p.m. PST
For information on SEAJ Book-to-Bill Report, visit

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