|December||An interesting metric of the materials market is the silicon dollar revenue divided by the square inches of silicon produced. From the 1960s through 1989 that ratio was about $1.00/square inch. What is it in the late 90s?|
Since 1990 this value has doubled.
|November||The top ten semiconductor equipment companies combined represent what percent of market revenues?|
|A: The top ten companies represent 74 percent of the total market|