摘要:
A bipolar semiconductor component, in particular a diode, comprising an anode structure which controls its emitter efficiency in a manner dependent on the current density in such a way that the emitter efficiency is low at small current densities and sufficiently high at large current densities, and an optional cathode structure, which can inject additional holes during commutation, and production methods therefor.
摘要:
A bipolar semiconductor component, in particular a diode, comprising an anode structure which controls its emitter efficiency in a manner dependent on the current density in such a way that the emitter efficiency is low at small current densities and sufficiently high at large current densities, and an optional cathode structure, which can inject additional holes during commutation, and production methods therefor.
摘要:
A method for producing a buried n-doped semiconductor zone in a semiconductor body. In one embodiment, the method includes producing an oxygen concentration at least in the region to be doped in the semiconductor body. The semiconductor body is irradiated via one side with nondoping particles for producing defects in the region to be doped. A thermal process is carried out. The invention additionally relates to a semiconductor component with a field stop zone.
摘要:
A method for producing a buried n-doped semiconductor zone in a semiconductor body. In one embodiment, the method includes producing an oxygen concentration at least in the region to be doped in the semiconductor body. The semiconductor body is irradiated via one side with nondoping particles for producing defects in the region to be doped. A thermal process is carried out. The invention additionally relates to a semiconductor component with a field stop zone.
摘要:
A method for producing a buried n-doped semiconductor zone in a semiconductor body. In one embodiment, the method includes producing an oxygen concentration at least in the region to be doped in the semiconductor body. The semiconductor body is irradiated via one side with nondoping particles for producing defects in the region to be doped. A thermal process is carried out. The invention additionally relates to a semiconductor component with a field stop zone.
摘要:
A method for producing a buried n-doped semiconductor zone in a semiconductor body. In one embodiment, the method includes producing an oxygen concentration at least in the region to be doped in the semiconductor body. The semiconductor body is irradiated via one side with nondoping particles for producing defects in the region to be doped. A thermal process is carried out. The invention additionally relates to a semiconductor component with a field stop zone.
摘要:
A semiconductor arrangement includes a MOSFET having a source region, a drift region and a drain region of a first conductivity type, a body region of a second conductivity type arranged between the source region and the drift region, a gate electrode arranged adjacent the body region and dielectrically insulated from the body region by a gate dielectric, and a source electrode contacting the source region and the body region. The semiconductor arrangement further includes a normally-off JFET having a channel region of the first conductivity type that is coupled between the source electrode and the drift region and extends adjacent the body region so that a p-n junction is formed between the body region and the channel region.
摘要:
A semiconductor device includes a source, a drain, and a gate configured to selectively enable a current to pass between the source and the drain. The semiconductor device includes a drift zone between the source and the drain and a first field plate adjacent the drift zone. The semiconductor device includes a dielectric layer electrically isolating the first field plate from the drift zone and charges within the dielectric layer close to an interface of the dielectric layer adjacent the drift zone.
摘要:
A method for producing a region of increased doping in an n-doped semiconductor layer which is buried in a semiconductor body of a vertical power transistor and which is arranged between a p-doped body region facing the front side contact of the power transistor and an n-doped substrate facing the rear side contact of the power transistor has the following steps: a) irradiation of at least one part of the surface of the semiconductor body with protons, and b) heat treatment of the semiconductor body.
摘要:
The invention relates to a semiconductor component, which comprises a semiconductor body having a first and a second terminal zone of a first conduction type (n), a channel zone of a second conduction type (p), which is short circuited with the second terminal zone, a drift zone of the first conduction type (n) with weaker doping than the terminal zones, which drift zone is formed between the channel zone and the first terminal zone, the channel zone being formed between the drift zone and the second terminal zone, a control electrode, formed so that it is insulated from the channel zone, for controlling a conductive channel in the channel zone between the second terminal zone and the drift zone, and is distinguished in that a field stop zone of the first conduction type (n) is formed between the first terminal zone and the drift zone, the field stop zone having heavier doping than the drift zone and weaker doping than the first terminal zone, the maximum doping of the field stop zone being at most a factor of about 102 heavier than the doping of the drift zone.