  This report describes an all-solid state central tracker which is intended
for use in a detector at the proposed DESY 500 GeV electron-positron linear
collider or a similar accelerator. The precise position measurements from
position-sensitive silicon detectors give the tracker an outstanding momentum
resolution for high momentum tracks: sigma_p/p^2 = 3.6 x 10^{-5} (GeV/c)^{-1}
for tracks perpendicular to the beam-line. The report concludes with an example
layout for a detector which uses this central tracker.
