SAN JOSE — North America-based semiconductor equipment manufacturers reported the 90-day moving average worldwide orders rose 2.8% from last year in September.

OEMs reported $952.9 million in orders in September on a three-month average basis, down 15.% from the revised August figures.

The book-to-bill ratio was 0.81, SEMI said, meaning that $81 worth of orders were received for every $100 of product billed for the month.

The three-month average worldwide billings in September was $1.18 billion, down 12% from the revised August levels and down 10.4% from September 2011.

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 US dollars.

Billings
(3-mo. avg)

Bookings
(3-mo. avg)

Book-to-Bill

April 2012

1,458.7

1,602.8

1.10

May 2012

1,539.3

1,613.7

1.05

June 2012

1,535.7

1,424.3

0.93

July 2012 (final)

1,442.8

1,234.6

0.86

August 2012 (revised)

1,337.6

1,122.3

0.84

September 2012 (prelim)

1,177.4

952.9

0.81

Source: SEMI, October 2012

 

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