North American Semiconductor Equipment Industry Posts August 2015 Book-to-Bill Ratio of 1.06

SAN JOSE, Calif. — September 17, 2015 — North America-based manufacturers of semiconductor equipment posted $1.67 billion in orders worldwide in August 2015 (three-month average basis) and a book-to-bill ratio of 1.06, according to the August EMDS Book-to-Bill Report published today by SEMI.  A book-to-bill of 1.06 means that $106 worth of orders were received for every $100 of product billed for the month.

SEMI reports that the three-month average of worldwide bookings in August 2015 was $1.67 billion. The bookings figure is 5.0 percent higher than the final July 2015 level of $1.59 billion, and is 23.8 percent higher than the August 2014 order level of $1.35 billion.

The three-month average of worldwide billings in August 2015 was $1.58 billion. The billings figure is 1.3 percent higher than the final July 2015 level of $1.56 billion, and is 21.9 percent higher than the August 2014 billings level of $1.29 billion.

"Given the trends through the year so far, the book-to-bill ratio stayed above parity on a three-month average basis,” said Denny McGuirk, president and CEO of SEMI. “An adjustment in the trends is anticipated for the rest of the year due to the near-term economic outlook and lower demand for electronics in some sectors.”

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.


(3-mo. avg)

(3-mo. avg)


March 2015




April 2015




May 2015




June 2015




July 2015 (final)




August 2015 (prelim)




Source: SEMI ( , September 2015  

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 SEMI Equipment Market Data Subscription (EMDS).

SEMI is the global industry association serving the nano- and micro-electronic manufacturing supply chains. Our 1,900 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 Bangalore, Beijing, Berlin, Brussels, Grenoble, Hsinchu, Moscow, San Jose, Seoul, Shanghai, Singapore, Tokyo, and Washington, D.C.   For more information, visit

Association Contacts

Deborah Geiger/SEMI
Phone: 1.408.943.7988
Email: Email Contact

Dan Tracy/SEMI
Phone: 1.408.943.7987
Email: Email Contact


Next SEMI Book-to-Bill: October 22, 2015 at 3:00pm Pacific Daylight Savings Time (PDT)  

For information on SEAJ Book-to-Bill Report, visit

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