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SAN JOSE — The 90-day moving average orders at North American semiconductor equipment manufacturers was $1.48 billion in March, up 10.7% from the revised February numbers.

The three-month average of worldwide bookings was down 6.4% from March 2011.

Billings, meanwhile, fell 0.9% from February to $1.31 billion. Billings were down 20.9% from March 2011, but reached their highest level since July 2011.

The book-to-bill ratio rose 12 basis point sequentially to 1.13, SEMI said. A book-to-bill of 1.13 means that $113 worth of orders were received for every $100 of product billed for the month. It was the sixth straight month of growth and the highest mark since August 2010.

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. Semiconductor equipment sales are considered a leading indicator of future IC and printed circuit board sales.

 

Billings
(3-mo. avg)

Bookings
(3-mo.avg)

Book-to-Bill

Oct 2011

1,258.3

926.8

0.74

Nov 2011

1,176.7

977.2

0.83

Dec 2011

1,300.0

1,102.9

0.85

Jan 2012

1,239.9

1,187.5

0.96

Feb 2012 (final)

1,322.8

1,336.9

1.01

March 2012 (prelim)

1,310.9

1,479.3

1.13

Source: SEMI April 2012

 

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