Abstract:
The invention relates to a method for the parallel production of an MOS transistor in an MOS area of a substrate (1) and a bipolar transistor in a bipolar area of said substrate (1). The method comprises the creation of an MOS preconditioning structure in the MOS area, whereby the MOS preconditioning structure contains a region (13) provided for a channel, a gate dielectric (14), a gate electrode layer (15, 19) and a masking layer (21a, 21b, 22) on the gate electrode layer (15, 19). In addition, a bipolar preconditioning structure is created in the bipolar area, said structure comprising a conductive layer (20) and a masking layer (21a, 21b, 22) on the conductive layer (20). To establish a gate electrode and a base connection region, the gate electrode layer (15, 19) and the conductive layer (20) are jointly structured. The invention also relates to the simultaneous creation of isolating spacer layers (30, 31) on lateral walls of the gate electrode layer in the MOS area and on the conductive layer in the bipolar area by the application of a first (30) and second spacer layer (31). The isolating spacer layers define the regions to be doped in the MOS area and isolate a base region and an emitter region in the bipolar area. Finally, the first spacer layer (30) and the second spacer layer (31) are selectively etched in the MOS and bipolar areas.
Abstract:
The present invention provides a method for parallel production of an MOS transistor in an MOS area of a substrate and a bipolar transistor in a bipolar area of the substrate. The method comprises generating an MOS preparation structure in the MOS area, wherein the MOS preparation structure comprises an area provided for a channel, a gate dielectric, a gate electrode layer and a mask layer on the gate electrode layer. Further, a bipolar preparation structure is generated in the bipolar area, which comprises a conductive layer and a mask layer on the conductive layer. The mask layer is thinned in the area of the gate electrode. For determining a gate electrode and a base terminal area, common structuring of the gate electrode layer and the conductive layer is performed.
Abstract:
A low noise transistor and a method of making a low noise transistor. A noise-reducing agent is introduced into the gate electrode and then moved into the gate dielectric of a transistor.
Abstract:
The present invention provides a method for parallel production of an MOS transistor in an MOS area of a substrate and a bipolar transistor in a bipolar area of the substrate. The method comprises generating an MOS preparation structure in the MOS area, wherein the MOS preparation structure comprises an area provided for a channel, a gate dielectric, a gate electrode layer and a mask layer on the gate electrode layer. Further, a bipolar preparation structure is generated in the bipolar area, which comprises a conductive layer and a mask layer on the conductive layer. The mask layer is thinned in the area of the gate electrode. For determining a gate electrode and a base terminal area, common structuring of the gate electrode layer and the conductive layer is performed.
Abstract:
Verfahren zum Ausbilden eines Feldeffekttransistors mit den Schritten: Ausbilden eines Gatestapels über einem Halbleitermaterial, wobei der Gatestapel ein über dem Halbleitermaterial ausgebildetes Gatedielektrikum (52) und eine über dem Gatedielektrikum ausgebildete Gateelektrode (56) beinhaltet; Einbringen eines rauschen-reduzierenden Mittels (90) in die Gateelektrode (56); und Verschieben von zumindest einem Teil des rauschen-reduzierenden Mittels (90) von der Gateelektrode (56) in das Gatedielektrikum (52), wobei der Schritt des Einbringens eine Ionenimplantation aufweist, bei der die Dosis des rauschen-reduzierenden Mittels (90) größer als oder gleich ungefähr 1016 Ionen/cm2ist.
Abstract:
The present invention provides a method for parallel production of an MOS transistor in an MOS area of a substrate and a bipolar transistor in a bipolar area of the substrate. The method comprises generating an MOS preparation structure in the MOS area, wherein the MOS preparation structure comprises an area provided for a channel, a gate dielectric, a gate electrode layer and a mask layer on the gate electrode layer. Further, a bipolar preparation structure is generated in the bipolar area, which comprises a conductive layer and a mask layer on the conductive layer. The mask layer is thinned in the area of the gate electrode. For determining a gate electrode and a base terminal area, common structuring of the gate electrode layer and the conductive layer is performed.