摘要:
A metallization layer structure includes an intermediate layer formed on an aluminum nitride ceramics base. The intermediate layer contains aluminum titanium nitride. A titanium layer is formed on the intermediate layer. A heat-resistant metallic layer is formed on the titanium layer. A metallic layer for facilitating soldering or brazing is formed on the heat-resistant metallic layer.
摘要:
A semiconductor device is provided with a semiconductor substrate in which a power semiconductor element part and a temperature sensing diode part are provided. The temperature sensing diode part includes a first semiconductor region, a second semiconductor region, a first base region, and a first drift region. In the semiconductor substrate, an isolation trench is formed, which passes through the first base region, extends to the first drift region, and surrounds an outer periphery of the temperature sensing diode part. At least a part of one of side walls of the isolation trench is in contact with the power semiconductor element part, and the other side wall of the isolation trench is in contact with the temperature sensing diode part.
摘要:
An apparatus includes a recording head arranged so as to oppose a sheet moving in a first direction, in which a plurality of first nozzle chips and a plurality of second nozzle chips each having a nozzle array are arranged as different arrays in a second direction crossing the first direction, and in which the first nozzle chips and the second nozzle chips adjacent to each other are shifted from each other in the second direction, a first suction unit opposed to the first nozzle chips and configured to suction ink from a part of the nozzle arrays included in the first nozzle chips, a second suction unit opposed to the second nozzle chips and configured to suction ink from a part of the nozzle arrays included in the second nozzle chips, a suction holder configured to retain the first suction unit and the second suction unit, and a movement mechanism configured to cause relative movement between the recording head and the suction holder in the second direction, wherein the first suction unit and the second suction unit are shifted from each other in the second direction in correspondence with the shift between the first nozzle chips and the second nozzle chips.
摘要:
Disclosed is a composite superconductor comprising a superconductor and a metal member. The metal member is composed of one or more members to be joined together in such manner that the one or more members cover the superconductor, and at least one member is made of aluminum or an aluminum alloy.
摘要:
A method for producing a composite superconductor includes: a structure forming process of forming a structure including a metal covering member (20) including at least one to-be-joined portion, a superconductor (30) arranged inside the metal covering member, and a reinforcing member (40) arranged between the superconductor (30) and the at least one to-be-joined portion; and a joining process of joining thereafter the at least one to-be-joined portion.
摘要:
A supply unit is provided to supply humidified gas near a nozzle array of a line-type recording head. The flow-rate distribution of the supplied humidified gas in a direction of the nozzle array is changeable in accordance with a conveying region where a sheet is conveyed while opposing the nozzle array.
摘要:
A nitride semiconductor device 2 comprises a nitride semiconductor layer 10. A gate insulating film 16 is formed on the surface of the nitride semiconductor layer 10. The gate insulating film 16 includes a portion composed of an aluminum nitride film 15 and a portion composed of an insulating material 14 that contains at least one of oxygen or silicon. A region W2 of the nitride semiconductor layer 10 facing the aluminum nitride film 15 is included in a region W1 of the nitride semiconductor layer 10 facing a gate electrode 18. The nitride semiconductor device 2 may further comprise a nitride semiconductor lower layer 8. The nitride semiconductor layer 10 may be stacked on the surface of the nitride semiconductor lower layer 8. The nitride semiconductor layer 10 may have a larger band gap than that of the nitride semiconductor lower layer 8 and have a heterojunction formed there between.
摘要:
An ohmic electrode for a p-type SiC semiconductor, and a method of forming the ohmic electrode. The ohmic electrode has an ohmic electrode layer, which has an amorphous structure and which is made of a Ti(1−x−y)Si(s)C(y) ternary film of which a composition ratio is within a composition range that is surrounded by two lines and two curves expressed by an expression x=0 (0.35≦y≦0.5), an expression y=−1.120x+0.5200 (0.1667≦x≦0.375), an expression y=1.778(x−0.375)2+0.1 (0≦x≦0.375) and an expression y=−2.504x2−0.5828x+0.5 (0≦x≦0.1667) and that excludes the line expressed by the expression x=0. The ohmic layer is directly laminated on a surface of a p-type SiC semiconductor.
摘要:
A semiconductor device has a semiconductor substrate having a surface layer and a p-type semiconductor region, wherein the surface layer includes a contact region, a channel region and a drift region, the channel region is adjacent to and in contact with the contact region, the drift region is adjacent to and in contact with the channel region and includes n-type impurities at least in part, and the p-type semiconductor region is in contact with the drift region and at least a portion of a rear surface of the channel region, a main electrode disposed on the surface layer and electrically connected to the contact region, a gate electrode disposed on the surface layer and extending from above a portion of the contact region to above at least a portion of the drift region via above the channel region, and an insulating layer covering at least the portion of the contact region and not covering at least the portion of the drift region. The gate electrode and the contact region are insulated by the insulating layer, and the gate electrode and the drift region are in direct contact to form a Schottky junction.
摘要:
The invention provides an ohmic electrode of a p-type SiC semiconductor element, which includes an ohmic electrode layer that is made of Ti3SiC2, and that is formed directly on a surface of a p-type SiC semiconductor. The invention also provides a method of forming an ohmic electrode of a p-type SiC semiconductor element. The ohmic electrode includes an ohmic electrode layer that is made of Ti3SiC2, and that is formed directly on a surface of a p-type SiC semiconductor. The method includes forming a ternary mixed film that includes Ti, Si, and C in a manner such that an atomic composition ratio, Ti:Si:C is 3:1:2, on a surface of a p-type SiC semiconductor to produce a laminated film; and annealing the produced laminated film under vacuum or under an inert gas atmosphere.
摘要翻译:本发明提供了一种p型SiC半导体元件的欧姆电极,其包括由Ti 3 SiC 2制成的欧姆电极层,其直接形成在p型SiC半导体的表面上。 本发明还提供了形成p型SiC半导体元件的欧姆电极的方法。 欧姆电极包括由Ti 3 SiC 2制成并且直接形成在p型SiC半导体的表面上的欧姆电极层。 该方法包括以使得在p型SiC半导体的表面上的原子组成比Ti:Si:C为3:1:2的方式形成包括Ti,Si和C的三元混合膜,以产生 层压膜; 并在真空或惰性气体气氛下退火生产的层压膜。