摘要:
A MOSFET in which the gate electrode is formed of a polycrystalline silicon film, a silicon nitride film having a nitrogen surface density of lens than 8.times.10.sup.14 cm.sup.-2, and a tungsten film--these films formed one upon another in the order mentioned. The gate electrode thus formed, serves to shorten the delay time of the MOSFET.
摘要翻译:栅电极由多晶硅膜形成的MOSFET,具有透镜的氮表面密度的氮化硅膜比8×10 14 cm -2,以及这些膜以这样的顺序依次形成的钨膜。 这样形成的栅电极用于缩短MOSFET的延迟时间。
摘要:
A sputtering target comprising a main component having magnetic properties and consisting of a metal or an alloy, and a sub-component comprising at least one component selected from the group consisting of a non-magnetic metal and a semiconductor. The main component may be a metal selected from the group consisting of Co, Ni and Fe or may be an alloy of at least two metals selected from the group consisting of Co, Ni and Fe. The sub-component may comprise at least one nonmagnetic metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Sn and Pb, or may comprise at least one semiconductor selected from the group consisting of Si and Ge, or may be a mixture of the at least one nonmagnetic metal and the at least one semiconductor.
摘要:
The present invention provides a method of manufacturing a semiconductor device, including the steps of forming a metal oxide film made of a metal oxide having a decrease in standard free energy smaller than a decrease in standard free energy of hydrogen oxide or of carbon oxide, on an insulating film formed on a semiconductor substrate, forming a metal oxide film pattern by subjecting a treatment to the metal oxide film, and converting said metal oxide pattern into at least one of an electrode and a wiring made of a metal which is a main component constituting the metal oxide, by reducing the metal oxide film pattern at a temperature of 80.degree. to 500.degree. C.
摘要:
A MOSFET in which the gate electrode is formed of a polycrystalline silicon film, a silicon nitride film having a nitrogen surface density of lens than 8.times.10.sup.14 cm.sup.-2, and a tungsten film--these films formed one upon another in the order mentioned. The gate electrode thus formed, serves to shorten the delay time of the MOSFET.
摘要翻译:栅电极由多晶硅膜形成的MOSFET,具有透镜的氮表面密度的氮化硅膜比8×10 14 cm -2,以及这些膜以这样的顺序依次形成的钨膜。 这样形成的栅电极用于缩短MOSFET的延迟时间。
摘要:
A method of manufacturing a semiconductor device includes the steps of forming a first insulating layer having a hole on a substrate, selectively forming a conductive layer in the hole, selectively forming a second insulating layer on the first insulating layer, patterning the second insulating layer, and forming an interconnection layer in an opening portion of the second insulating layer formed by patterning so as to be electrically connected to the conductive layer.
摘要:
A semiconductor device comprises a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.
摘要:
Disclosed is a semiconductor device having a metal-silicon alloy wiring layer and a structure wherein a metal compound, having a larger free energy decrease caused by compound formation, than a free energy decrease caused by the metal-silicon alloy formation, is precipitated. A method of fabricating the semiconductor device having the above microstructure is also disclosed. In the semiconductor device, the grain boundaries are micronized by precipitation of a metal compound, thus the mechanical strength can be improved, and the circuit reliability can also be improved. Further, an increase in resistance can be suppressed by precipitation of the metal compound.
摘要:
According to one embodiment, a method for manufacturing a nonvolatile memory device including a plurality of memory cells is disclosed. Each of the plurality of memory cells includes a base layer including a first electrode, a magnetic tunnel junction device provided on the base layer, and a second electrode provided on the magnetic tunnel junction device. The magnetic tunnel junction device includes a first magnetic layer, a tunneling barrier layer provided on the first magnetic layer, and a second magnetic layer provided on the tunneling barrier layer. The method can include etching a portion of the second magnetic layer and a portion of the first magnetic layer by irradiating gas clusters onto a portion of a surface of the second magnetic layer or a portion of a surface of the first magnetic layer.
摘要:
In accordance with an embodiment, a non volatile semiconductor memory device includes a substrate, a first electrode, a functional film, and a second electrode. The first electrode is provided on the substrate. The functional film is located on the first electrode and serves as a storage medium. The second electrode is provided on the functional film or in the functional film, and has a convex curved upper surface.
摘要:
According to one embodiment, a method of manufacturing a magnetic memory, the method includes forming a first magnetic layer having a variable magnetization, forming a tunnel barrier layer on the first magnetic layer, forming a second magnetic layer on the tunnel barrier layer, the second magnetic layer having an invariable magnetization, forming a hard mask layer as a mask on the second magnetic layer, patterning the second magnetic layer by using the mask of the hard mask layer, and executing a GCIB-irradiation by using the mask of the hard mask layer, after the patterning.