The trend toward smaller and smaller form factor drives has forced sliders to become smaller as well.The typical Mini-Winchester slider design was about 4mm×3.2mm×0.86mm in size. Most head manufacturers have since shifted to smaller Micro, Nano, Pico, or Femto sliders. The Femto sliders in use today are extremely small—about the size of the ball in the tip of a ballpoint pen. Pico and Femto sliders are assembled by using flex interconnect cable (FIC) and chip on ceramic (COC) technologies that enable the process to be completely automated.