摘要:
An access device and a semiconductor device are disclosed. The access device includes a vertically oriented channel separating a lower source/drain region and an upper source/drain region, a gate dielectric disposed on the channel, and a unified gate electrode/connection line coupled to the channel across the gate dielectric, wherein the unified gate electrode/connection line comprises a descending lip portion disposed proximate to the gate dielectric and overlaying at least a portion of the lower source/drain region.
摘要:
Provided is a trench-type capacitor. To form the capacitor, first and second active regions are disposed in a semiconductor substrate. Node patterns are disposed in the first active region. Each node pattern may have a conductive pattern and an insulating pattern, which are sequentially stacked. Impurity diffusion regions are disposed in the vicinity of the node patterns. Substrate connection patterns in electrical contact with the first and second active regions are disposed. Node connection patterns in electrical contact with the node patterns are disposed in the vicinity of the first and second active regions. In addition, a semiconductor device having the trench-type capacitor and a semiconductor module having the semiconductor device is provided.
摘要:
In a semiconductor device and associated methods, the semiconductor device includes a substrate, an insulation layer on the substrate, a conductive structure on the insulation layer, the conductive structure including at least one metal silicide film pattern, a semiconductor pattern on the conductive structure, the semiconductor pattern protruding upwardly from the conductive structure, a gate electrode at least partially enclosing the semiconductor pattern, the gate electrode being spaced apart from the conductive structure, a first impurity region at a lower portion of the semiconductor pattern, and a second impurity region at an upper portion of the semiconductor pattern.
摘要:
A semiconductor device includes a first active pattern protruding from a substrate, a second active pattern on the first active pattern, a gate electrode enclosing a sidewall of the second active pattern, a conductive layer pattern on the first active pattern, a first impurity region in the first active pattern, and a second impurity region at a surface portion of the second active pattern. The first active pattern extending along a predetermined direction may have a first region and a second region. The second active pattern may have a pillar structure and the conductive layer pattern may include a metal or a metal compound.
摘要:
Field effect transistors include a substrate and a pillar that extends away from the substrate. The pillar includes a base adjacent the substrate, a top remote from the substrate, and a sidewall that extends between the base and the top. An insulated gate is provided on the sidewall. A first source/drain region is provided in the substrate beneath the pillar and adjacent the insulated gate. A second source/drain region that is heavily doped compared to the first source/drain region, is provided in the substrate beneath the pillar and remote from the insulated gate. The pillar may be an I-shaped pillar that is narrower between the base and the top compared to adjacent the base and the top, such that the sidewall includes a recessed portion between the base and the top.
摘要:
Provided is a trench-type capacitor. To form the capacitor, first and second active regions are disposed in a semiconductor substrate. Node patterns are disposed in the first active region. Each node pattern may have a conductive pattern and an insulating pattern, which are sequentially stacked. Impurity diffusion regions are disposed in the vicinity of the node patterns. Substrate connection patterns in electrical contact with the first and second active regions are disposed. Node connection patterns in electrical contact with the node patterns are disposed in the vicinity of the first and second active regions. In addition, a semiconductor device having the trench-type capacitor and a semiconductor module having the semiconductor device is provided.
摘要:
A semiconductor device includes a first transistor, a second transistor, an insulation interlayer pattern and a capacitor. The first transistor is formed in a first region of a substrate. The first transistor has a pillar protruding upwardly from the substrate and an impurity region provided in an upper portion of the pillar. The second transistor is formed in a second region of the substrate. The insulation interlayer pattern is formed on the first region and the second region to cover the second transistor and expose an upper surface of the pillar. The insulation interlayer pattern has an upper surface substantially higher than the upper surface of the pillar in the first region. The capacitor is formed on the impurity region in the upper portion of the pillar and is electrically connected to the impurity region.
摘要:
A semiconductor device includes a substrate having a first area and a second area, a first active structure disposed in the first area, a second active structure disposed in the second area, a first transistor disposed in the first area and a second transistor disposed in the second area. The second active structure may have a height substantially the same as a height of the first active structure. The first transistor includes a first gate structure enclosing an upper portion of the first active structure, a first impurity region formed at a lower portion of the first active structure, and a second impurity region formed at the upper portion of the first active structure. The second transistor includes a second gate structure formed on the second active structure and third impurity regions formed at an upper portion of the second active structure.
摘要:
In a semiconductor device, the semiconductor device may include a first active structure, a first gate insulation layer, a first gate electrode, a first impurity region, a second impurity region and a contact structure. The first active structure may include a first lower pattern in a first region of a substrate and a first upper pattern on the first lower pattern. The first gate insulation layer may be formed on a sidewall of the first upper pattern. The first gate electrode may be formed on the first gate insulation layer. The first impurity region may be formed in the first lower pattern. The second impurity region may be formed in the first upper pattern. The contact structure may surround an upper surface and an upper sidewall of the first upper pattern including the second impurity region. Accordingly, the contact resistance between the contact structure and the second impurity region may be decreased and structural stability of the contact structure may be improved.
摘要:
In a semiconductor device, the semiconductor device may include a first active structure, a first gate insulation layer, a first gate electrode, a first impurity region, a second impurity region and a contact structure. The first active structure may include a first lower pattern in a first region of a substrate and a first upper pattern on the first lower pattern. The first gate insulation layer may be formed on a sidewall of the first upper pattern. The first gate electrode may be formed on the first gate insulation layer. The first impurity region may be formed in the first lower pattern. The second impurity region may be formed in the first upper pattern. The contact structure may surround an upper surface and an upper sidewall of the first upper pattern including the second impurity region. Accordingly, the contact resistance between the contact structure and the second impurity region may be decreased and structural stability of the contact structure may be improved.