摘要:
According to example embodiments a transistor includes a channel layer on a substrate, a first channel supply layer on the channel, a depletion layer, a second channel supply layer, source and drain electrodes on the first channel supply layer, and a gate electrode on the depletion layer. The channel includes a 2DEG channel configured to generate a two-dimensional electron gas and a depletion area. The first channel supply layer corresponds to the 2DEG channel and defines an opening that exposes the depletion area. The depletion layer is on the depletion area of the channel layer. The second channel supply layer is between the depletion layer and the depletion area.
摘要:
A semiconductor device includes a buffer structure on a silicon substrate, and at least one gallium nitride-based semiconductor layer on the buffer structure. The buffer structure includes a plurality of nitride semiconductor layers and a plurality of stress control layers that are alternately disposed with the plurality of nitride semiconductor layer. The plurality of stress control layers include a IV-IV group semiconductor material.
摘要:
A high electron mobility transistor (HEMT) includes a substrate, an HEMT stack spaced apart from the substrate, and a pseudo-insulation layer (PIL) disposed between the substrate and the HEMT stack. The PIL layer includes at least two materials having different phases. The PIL layer defines an empty space that is wider at an intermediate portion than at an entrance of the empty space.
摘要:
A high electron mobility transistor (HEMT) includes a substrate, an HEMT stack spaced apart from the substrate, and a pseudo-insulation layer (PIL) disposed between the substrate and the HEMT stack. The PIL layer includes at least two materials having different phases. The PIL layer defines an empty space that is wider at an intermediate portion than at an entrance of the empty space.
摘要:
A semiconductor buffer structure may include a silicon substrate and a buffer layer that is formed on the silicon substrate. The buffer layer may include a first layer, a second layer formed on the first layer, and a third layer formed on the second layer. The first layer may include AlxInyGa1-x-yN (0≦x≦1, 0≦y≦1, 0≦x+y≦1) and have a lattice constant LP1 that is smaller than a lattice constant LP0 of the silicon substrate. The second layer may include AlxInyGa1-x-yN (0≦x
摘要翻译:半导体缓冲结构可以包括硅衬底和形成在硅衬底上的缓冲层。 缓冲层可以包括第一层,形成在第一层上的第二层和形成在第二层上的第三层。 第一层可以包括Al x In y Ga 1-x-y N(0 @ x @ 1,0 @ y @ 1,x @ x + y @ 1),并且具有小于硅衬底的晶格常数LP0的晶格常数LP1。 第二层可以包括Al x In y Ga 1-x-y N(0 @ x <1,0
摘要:
According to an example embodiment, a power device includes a substrate, a nitride-containing stack on the substrate, and an electric field dispersion unit. Source, drain, and gate electrodes are on the nitride-containing stack. The nitride-containing stack includes a first region that is configured to generate a larger electric field than that of a second region of the nitride-containing stack. The electric field dispersion unit may be between the substrate and the first region of the nitride-containing stack.
摘要:
According to example embodiments a transistor includes a channel layer on a substrate, a first channel supply layer on the channel, a depletion layer, a second channel supply layer, source and drain electrodes on the first channel supply layer, and a gate electrode on the depletion layer. The channel includes a 2DEG channel configured to generate a two-dimensional electron gas and a depletion area. The first channel supply layer corresponds to the 2DEG channel and defines an opening that exposes the depletion area. The depletion layer is on the depletion area of the channel layer. The second channel supply layer is between the depletion layer and the depletion area.
摘要:
A method of manufacturing a semiconductor device includes forming a silicon substrate, forming a buffer layer on the silicon substrate, and forming a nitride semiconductor layer on the buffer layer. The buffer layer includes a first layer, a second layer, and a third layer. The first layer includes AlxInyGa1-x-yN (0≦x≦1, 0≦y≦1, 0≦x+y≦1) and has a lattice constant LP1 that is smaller than a lattice constant LP0 of the silicon substrate. The second layer is formed on the first layer, includes AlxInyGa1-x-yN (0≦x
摘要翻译:制造半导体器件的方法包括形成硅衬底,在硅衬底上形成缓冲层,并在缓冲层上形成氮化物半导体层。 缓冲层包括第一层,第二层和第三层。 第一层包括Al x In y Ga 1-x-y N(0&nlE; x&nlE; 1,0&amp; nlE; y& 第二层形成在第一层上,包括Al x In y Ga 1-x-y N(0&nlE; x <1,0&lt; nlE; y <1,0
摘要:
A method of manufacturing a semiconductor device includes forming a silicon substrate, forming a buffer layer on the silicon substrate, and forming a nitride semiconductor layer on the buffer layer. The buffer layer includes a first layer, a second layer, and a third layer. The first layer includes AlxInyGa1-x-yN (0≦x≦1, 0≦y≦1, 0≦x+y≦1) and has a lattice constant LP1 that is smaller than a lattice constant LP0 of the silicon substrate. The second layer is formed on the first layer, includes AlxInyGa1-x-yN (0≦x
摘要翻译:制造半导体器件的方法包括形成硅衬底,在硅衬底上形成缓冲层,并在缓冲层上形成氮化物半导体层。 缓冲层包括第一层,第二层和第三层。 第一层包括Al x In y Ga 1-x-y N(0 @ x @ 1,0 @ y @ 1,x @ x + y @ 1),并且具有小于硅衬底的晶格常数LP0的晶格常数LP1。 第二层形成在第一层上,包括Al x In y Ga 1-x-y N(0≤x≤1,0≤y≤1,0@ x + y <1),并且具有大于LP1的晶格常数LP2, 小于LP0。 第三层形成在第二层上,包括Al x In y Ga 1-x-y N(0≤x≤1,0≤y≤1,0@ x + y <1),并具有小于LP2的晶格常数LP3。
摘要:
A high electron mobility transistor (HEMT) includes a substrate, an HEMT stack spaced apart from the substrate, and a pseudo-insulation layer (PIL) disposed between the substrate and the HEMT stack. The PIL layer includes at least two materials having different phases. The PIL layer defines an empty space that is wider at an intermediate portion than at an entrance of the empty space.