Book to bill

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Book to bill

The book-to-bill ratio is the ratio of orders taken (booked) to products shipped and bills sent (billed). The ratio measures whether the company has more orders than it can deliver (>1), equal amounts (=1), or less (<1). This ratio is of significant interest to investors/ traders in the high-technology sector.

Book to Bill

A ratio of orders taken to invoices sent over a set period of time. In other words, a book-to-bill ratio compares current customers (orders taken) to previous customers (invoices sent). This is a tool used to calculate whether demand for a good or service is rising or falling. A book-to-bill ratio of less than one indicates falling demand, while a ratio of greater than one shows growth, after accounting for seasonal or other fluctuation. The semi-conductor industry makes particular use of this ratio.
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BANNOCKBURN, IL -- The IPC (Association Connecting Electronics Industries) announced May 2008 book-to-bill ratios for rigid PCB shipments was up 5.
The book-to-bill ratios are calculated by dividing the value of orders booked over the past three months by the value of sales billed during the same period from the companies in IPC's survey sample.
Instead of focusing on book-to-bill ratios for just one major market, people will get to review sales numbers from all four major markets.
The August 2005 Electronics Report is the comprehensive source for June 2005 market data, including semiconductor shipments, currency trends, book-to-bill ratios of key market segments and selected US end-product sales.
The book-to-bill ratios and growth rates for rigid PCBs and flexible circuits combined are heavily affected by the rigid PCB segment.
The semiconductor industry has recorded book-to-bill ratios exceeding 1.
The September/October 2005 Electronics Report is the comprehensive source for August 2005 market data, including semiconductor shipments, currency trends, book-to-bill ratios of key market segments and selected US end-product sales.
Book-to-bill ratios in both segment are still below parity, which indicates a slowdown in growth in early 2007.
January is typically a slow month in the PCB business," said IPC President Denny McGuirk, "but a trend toward slower growth in 2007 is clearly emerging in the book-to-bill ratios, which have been below parity for four consecutive months.
Book-to-bill ratios for the North American market during the past year were:
The book-to-bill ratios are also strong, which suggests that the surplus of orders will keep sales healthy in the near term.
The June 2005 Electronics Report is the comprehensive source for April 2005 market data, including semiconductor shipments, currency trends, book-to-bill ratios of key market segments, and selected US end-product sales.