Abstract:
Power electronic MOS device of the type comprising a plurality of elementary power MOS transistors (2) and a gate structure (12) comprising a plurality of conductive strips (8) realised with a first conductive material such as polysilicon, a plurality of gate fingers or metallic tracks (11) connected to a gate pad (30) and at least a connection layer (20) arranged in series to at least one of said conductive strip (8). Such gate structure (12) comprising at least a plurality of independent islands (10) formed on the upper surface (9) of the conductive strips (8) and suitably formed on the connection layers (20). Said islands (10) being realised with at least one second conductive material such as silicide.
Abstract:
Power electronic MOS device of the type comprising a plurality of elementary power MOS transistors (2) and a gate structure (12) comprising a plurality of conductive strips (8) realised with a first conductive material such as polysilicon, a plurality of gate fingers or metallic tracks (11) connected to a gate pad (30) and at least a connection layer (20) arranged in series to at least one of said conductive strip (8). Such gate structure (12) comprising at least a plurality of independent islands (10) formed on the upper surface (9) of the conductive strips (8) and suitably formed on the connection layers (20). Said islands (10) being realised with at least one second conductive material such as silicide.
Abstract:
An insulated gate semiconductor device (30; 60; 90; 100; 150), comprising: a semiconductor body (32, 34, 36; 102, 104, 106) having a front side (32a; 36a; 106a) and a back side (32b; 102b) opposite to one another; a drift region (36; 106'), which extends in the semiconductor body and has a first type of conductivity and a first doping value; a body region (38; 108; 156) having a second type of conductivity, which extends in the drift region facing the front side of the semiconductor body; a source region (40; 113), which extends in the body region and has the first type of conductivity; and a buried region (44; 114) having the second type of conductivity, which extends in the drift region at a distance from the body region and at least partially aligned to the body region in a direction (Z) orthogonal to the front side and to the back side.
Abstract:
A semiconductor structure (100; 200; 300) comprising; a substrate (5; 302) of semiconductor material of a first type of conductivity; a first semiconductor layer (7) set in direct electrical contact with the substrate on a first side (2) of the substrate; a second semiconductor layer (8) set in direct electrical contact with the substrate on a second side (4) of the substrate; a first active electronic device (10; 303) formed in the first semiconductor layer (7); and a second active electronic device (12; 62; 305) formed in the second semiconductor layer (8).