摘要:
An embodiment of a compound semiconductor device includes: a substrate; a compound semiconductor stacked structure formed over the substrate; and an amorphous insulating film formed between the substrate and the compound semiconductor stacked structure.
摘要:
A cleaning apparatus for a semiconductor manufacturing apparatus includes: a oxide removal unit that removes an oxide over a surface of a deposit adhered to components of the semiconductor manufacturing apparatus, and a deposit removal unit that removes the deposit after the oxide over the surface is removed by the oxide removal unit.
摘要:
A compound semiconductor multilayer structure is formed on a Si substrate. The compound semiconductor multilayer structure includes an electrode transit layer, an electrode donor layer formed above the electron transit layer, and a cap layer formed above the electron donor layer. The cap layer contains a first crystal polarized in the same direction as the electron transit layer and the electron donor layer and a second crystal polarized in the direction opposite to the polarization direction of the electron transit layer and the electron donor layer.
摘要:
A semiconductor device includes: a semiconductor layer formed over a substrate; an insulating film formed over the semiconductor layer; and an electrode formed over the insulating film, wherein the insulating film includes an amorphous film including carbon.
摘要:
A semiconductor device includes a first semiconductor layer formed over a substrate, a second semiconductor layer formed over the first semiconductor layer, a source electrode and a drain electrode formed over the second semiconductor layer, an insulating film formed over the second semiconductor layer, a gate electrode formed over the insulating film, and a protection film covering the insulating film, the protection film being formed by thermal CVD, thermal ALD, or vacuum vapor deposition.
摘要:
A compound semiconductor device includes: a substrate; an electron transit layer formed over the substrate; an electron supply layer formed over the electron transit layer; and a buffer layer formed between the substrate and the electron transit layer and including AlxGa1-xN(0≦x≦1), wherein the x value represents a plurality of maximums and a plurality of minimums in the direction of the thickness of the buffer layer, and the variation of x in any area having a 1 nm thickness in the buffer layer is 0.5 or less.
摘要翻译:一种化合物半导体器件,包括:衬底; 形成在所述基板上的电子转移层; 形成在电子转移层上的电子供应层; 以及形成在所述基板和所述电子转移层之间并且包括Al x Ga 1-x N(0< n 1; x&n 1; 1)的缓冲层,其中所述x值表示所述缓冲层的厚度方向上的多个最大值和多个最小值 并且在缓冲层中具有1nm厚度的任何区域中的x的变化为0.5以下。
摘要:
A compound semiconductor device includes: a substrate; an electron transit layer formed over the substrate; an electron supply layer formed over the electron transit layer; and a buffer layer formed between the substrate and the electron transit layer and including AlxGa1-xN(0≦x≦1), wherein the x value represents a plurality of maximums and a plurality of minimums in the direction of the thickness of the buffer layer, and the variation of x in any area having a 1 nm thickness in the buffer layer is 0.5 or less.
摘要翻译:一种化合物半导体器件,包括:衬底; 形成在所述基板上的电子转移层; 形成在电子转移层上的电子供应层; 以及形成在所述基板和所述电子转移层之间并且包括Al x Ga 1-x N(0< n 1; x&n 1; 1)的缓冲层,其中所述x值表示所述缓冲层的厚度方向上的多个最大值和多个最小值 并且在缓冲层中具有1nm厚度的任何区域中的x的变化为0.5以下。
摘要:
A semiconductor epitaxial substrate includes: a single crystal substrate; an AlN layer epitaxially grown on the single crystal substrate; and a nitride semiconductor layer epitaxially grown on the AlN layer, wherein an interface between the AlN layer and nitride semiconductor layer has a larger roughness than an interface between the single crystal substrate and AlN layer, and a skewness of the upper surface of the AlN layer is positive.
摘要:
A compound semiconductor device includes: a conductive SiC substrate; an AlN buffer layer formed on said conductive SiC substrate and containing Cl; a compound semiconductor buffer layer formed on said AlN layer which contains Cl, said compound semiconductor buffer layer not containing Cl; and a device constituent layer or layers formed above said compound semiconductor buffer layer not containing Cl.
摘要:
A semiconductor device includes a GaN electron transport layer provided over a substrate; a first AlGaN electron supply layer provided over the GaN electron transport layer; an AlN electron supply layer provided over the first AlGaN electron supply layer; a second AlGaN electron supply layer provided over the AlN electron supply layer; a gate recess provided in the second AlGaN electron supply layer and the AlN electron supply layer; and a gate electrode provided over the gate recess.