The chips have to do with flat panel displays and heat seal bonding processes. Flat panel displays involve heat seal bonding tiny parts to each other. People want things that are smaller. In order to make parts smaller, a convenient way had to be developed to bond tiny parts together. These bonding procedures involve flat panel display bonding.
Palm pilots are a prime example of flat panel displays at their finest.
The tiny flat panel display on the front was bonded, created and assembled by companies such as Pixel Interconnect who specialize in flat panel displays and flat panel display technologies.