Abstract:
A semiconductor device is disclosed. The semiconductor device includes: a substrate having a cell region defined thereon, in which the cell region includes a first edge and a second edge extending along a first direction; and a plurality of patterns on the substrate extending along the first direction, in which the patterns includes a plurality of first patterns and a plurality of second patterns, and one of the first patterns closest to the first edge and one of the second patterns closest to the second edge are different.
Abstract:
A method of forming a semiconductor structure is provided. A substrate having a memory region is provided. A plurality of fin structures are provided and each fin structure stretching along a first direction. A plurality of gate structures are formed, and each gate structure stretches along a second direction. Next, a dielectric layer is formed on the gate structures. A first patterned mask layer is formed, wherein the first patterned mask layer has a plurality of first trenches stretching along the second direction. A second patterned mask layer on the first patterned mask layer, wherein the second patterned mask layer comprises a plurality of first patterns stretching along the first direction. Subsequently, the dielectric layer is patterned by using the first patterned mask layer and the second patterned mask layer as a mask to form a plurality of contact vias. The contact holes are filled with a conductive layer.
Abstract:
A method for fabricating semiconductor device includes the steps of: providing a substrate having at least a gate structure thereon and an interlayer dielectric (ILD) layer surrounding the gate structure, wherein the gate structure comprises a hard mask thereon; forming a dielectric layer on the gate structure and the ILD layer; removing part of the dielectric layer to expose the hard mask and the ILD layer; and performing a surface treatment to form a doped region in the hard mask and the ILD layer.
Abstract:
A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a first fin-shaped structure and a second fin-shaped structure on the substrate; forming a first epitaxial layer on the first fin-shaped structure and a second epitaxial layer on the second fin-shaped structure; and forming a cap layer on the first epitaxial layer and the second epitaxial layer. Preferably, a distance between the first epitaxial layer and the second epitaxial layer is between twice the thickness of the cap layer and four times the thickness of the cap layer.
Abstract:
A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having at least a gate structure thereon and an interlayer dielectric (ILD) layer surrounding the gate structure, wherein the gate structure comprises a hard mask thereon; forming a dielectric layer on the gate structure and the ILD layer; removing part of the dielectric layer to expose the hard mask and the ILD layer; and performing a surface treatment to form a doped region in the hard mask and the ILD layer.
Abstract:
A manufacturing method of a semiconductor structure includes the following steps. An epitaxial region is formed in a semiconductor substrate. A dielectric layer is formed on the epitaxial region, and a contact hole is formed in the dielectric layer. The contact hole exposes a part of the epitaxial region, and an oxide-containing layer is formed on the epitaxial region exposed by the contact hole. A contact structure is formed in the contact hole and on the oxide-containing layer. The oxide-containing layer is located between the contact structure and the epitaxial region. A semiconductor structure includes the semiconductor substrate, at least one epitaxial region, the contact structure, the oxide-containing layer, and a silicide layer. The contact structure is disposed on the epitaxial region. The oxide-containing layer is disposed between the epitaxial region and the contact structure. The silicide layer is disposed between the oxide-containing layer and the contact structure.
Abstract:
A gate structure is first formed on a substrate and an interlayer dielectric (ILD) layer is formed around the gate structure, a dielectric layer is formed on the ILD layer and the gate structure, an opening is formed in the dielectric layer and the ILD layer, and an organic dielectric layer (ODL) is formed on the dielectric layer and in the opening. After removing part of the ODL, part of the dielectric layer to extend the opening, and then the remaining ODL, a contact plug is formed in the opening.
Abstract:
A semiconductor device is disclosed. The semiconductor device includes: a substrate having a cell region defined thereon, in which the cell region includes a first edge and a second edge extending along a first direction; and a plurality of patterns on the substrate extending along the first direction, in which the patterns includes a plurality of first patterns and a plurality of second patterns, and one of the first patterns closest to the first edge and one of the second patterns closest to the second edge are different.
Abstract:
A semiconductor device is disclosed. The semiconductor device includes: a substrate having a gate structure thereon and a first interlayer dielectric (ILD) layer surrounding the gate structure; a first hard mask on the gate structure; and a second hard mask on the gate structure, wherein the first hard mask is adjacent to two sides of the second hard mask and the first hard mask and the first hard mask comprises silicon nitride.
Abstract:
A semiconductor structure includes a metal gate, a second dielectric layer and a contact plug. The metal gate is located on a substrate and in a first dielectric layer, wherein the metal gate includes a work function metal layer having a U-shaped cross-sectional profile and a low resistivity material located on the work function metal layer. The second dielectric layer is located on the metal gate and the first dielectric layer. The contact plug is located on the second dielectric layer and in a third dielectric layer, thereby a capacitor is formed. Moreover, the present invention also provides a semiconductor process forming said semiconductor structure.