Construction is a combination of workmanship and choice of materials. Take this computer, if I pull the silicon out, I replace it with gallium arsenide, leave everything else the same.

The company said that three - and four-inch material accounted for 70 percent of the GaAs wafer output in 2007 and the market for larger diameter material will continue through 2012.

In this paper a laser way for obtaining "whisker" of semiconductor GaAs is presented and the prospect of using new material is simply described.