Abstract:
A method of determining the carbon content in a silicon sample may include: generating electrically active polyatomic complexes within the silicon sample. Each polyatomic complex may include at least one carbon atom. The method may further include: determining a quantity indicative of the content of the generated polyatomic complexes in the silicon sample, and determining the carbon content in the silicon sample from the determined quantity.
Abstract:
A semiconductor device includes at least one transistor structure. The at least one transistor structure includes an emitter or source terminal, and a collector or drain terminal. A carbon concentration within a semiconductor substrate region located between the emitter or source terminal and the collector or drain terminal varies between the emitter or source terminal and the collector or drain terminal.
Abstract:
An ion source for an implanter includes a first solid state source electrode disposed in an ion source chamber. The first solid state source electrode includes a source material coupled to a first negative potential node. A second solid state source electrode is disposed in the ion source chamber. The second solid state source electrode includes the source material coupled to a second negative potential node, and the first solid state source electrode and the second solid state source electrode are configured to produce ions to be implanted by the implanter.
Abstract:
A semiconductor device includes a semiconductor body with parallel first and second surfaces and containing hydrogen-related donors. A concentration profile of the hydrogen-related donors vertical to the first surface includes a maximum value of at least 1E15 cm−3 at a first distance to the first surface and does not fall below 1E14 cm−3 over at least 60% of an interval between the first surface and the first distance.
Abstract:
A method includes orienting a silicon carbide layer to a first crystal channel direction relative to a first ion beam and implanting phosphorous into the silicon carbide layer using the first ion beam to define a first doped region in the silicon carbide layer. A deviation angle between the first crystal channel direction and the first ion beam is less than ±1° and the first crystal channel direction comprises a direction or a direction.
Abstract:
A method of manufacturing a vertical power semiconductor device includes forming a drift region in a semiconductor body having a first main surface and a second main surface opposite to the first main surface along a vertical direction, the drift region including platinum atoms, and forming a field stop region in the semiconductor body between the drift region and the second main surface, the field stop region including a plurality of impurity peaks, wherein a first impurity peak of the plurality of impurity peaks is set a larger concentration than a second impurity peak of the plurality of impurity peaks, wherein the first impurity peak includes hydrogen and the second impurity peak includes helium.
Abstract:
A vertical power semiconductor device is proposed. The vertical power semiconductor device includes a semiconductor body having a first main surface and a second main surface opposite to the first main surface along a vertical direction. The vertical power semiconductor device further includes a drift region in the semiconductor body. The drift region includes platinum atoms. The vertical power semiconductor device further includes a field stop region in the semiconductor body between the drift region and the second main surface. The field stop region includes a plurality of impurity peaks. A first impurity peak of the plurality of impurity peaks has a larger concentration than a second impurity peak of the plurality of impurity peaks. The first impurity peak includes hydrogen and the second impurity peak includes helium.
Abstract:
A method of manufacturing a trench oxide in a trench for a gate structure in a semiconductor substrate is described. The method includes: generating the trench in the semiconductor substrate; generating an oxide layer over opposing sidewalls of the trench; damaging at least a portion of the oxide layer by ion implantation; coating the oxide layer with an etching mask; generating at least one opening in the etching mask adjacent to one of the opposing sidewalls; and partly removing the oxide layer by etching the oxide layer beneath the etching mask down to an etching depth at the one of the opposing sidewalls by introducing an etching agent into the opening.
Abstract:
A method of manufacturing a semiconductor device includes determining information that indicates an extrinsic dopant concentration and an intrinsic oxygen concentration in a semiconductor wafer. On the basis of information about the extrinsic dopant concentration and the intrinsic oxygen concentration as well as information about a generation rate or a dissociation rate of oxygen-related thermal donors in the semiconductor wafer, a process temperature gradient is determined for generating or dissociating oxygen-related thermal donors to compensate for a difference between a target dopant concentration and the extrinsic dopant concentration.
Abstract:
A method for forming a semiconductor device includes implanting a predefined dose of protons into a semiconductor substrate. Further, the method comprises controlling a temperature of the semiconductor substrate during the implantation of the predefined dose of protons so that the temperature of the semiconductor substrate is within a target temperature range for more than 70% of an implant process time used for implanting the predefined dose of protons. The target temperature range reaches from a lower target temperature limit to an upper target temperature limit. Further, the lower target temperature limit is equal to a target temperature minus 30° C. and the upper target temperature limit is equal to the target temperature plus 30° C. and the target temperature is higher than 80° C.