Bhabha atomic research centre has been exploring some of the unique features of silicon detector in a variety of nuclear structure experiment using high-energy photons and heavy ions projectiles. Current experimental application make use of large area silicon detector with depletion thickness of ~150-1000 µm. The low cost silicon detector shows excellent energy  and position resolution. In this paper we discuss the physical mechanism involved in detector operation and one set of mask designing for the silicon radiation detector and also clarify how these effects set a limit to achievable timing performance.

Key words : PIN diode, pulse mode operation, radiation detector