An object is to provide a semiconductor device of which a manufacturing process is not complicated and by which cost can be suppressed, by forming a thin film transistor using an oxide semiconductor film typified by zinc oxide, and a manufacturing method thereof. For the semiconductor device, a gate electrode is formed over a substrate; a gate insulating film is formed covering the gate electrode; an oxide semiconductor film is formed over the gate insulating film; and a first conductive film and a second conductive film are formed over the oxide semiconductor film. The oxide semiconductor film has at least a crystallized region in a channel region.

Semiconductor device, and manufacturing method thereof

The disclosure relates to a semiconductor device. An exemplary structure for a contact structure for a semiconductor device comprises a substrate comprising a major surface and a cavity below the major surface; a strained material in the cavity, wherein a lattice constant of the strained material is different from a lattice constant of the substrate; a Ge-containing dielectric layer over the strained material; and a metal layer over the Ge-containing dielectric layer.

Contact Structure of Semiconductor Device

An object is to provide a method for manufacturing a semiconductor device, in which the number of photolithography steps can be reduced, the manufacturing process can be simplified, and manufacturing can be performed with high yield at low cost A method for manufacturing a semiconductor device includes the following steps: forming a semiconductor film; irradiating a laser beam by passing the laser beam through a photomask including a shield for shielding the laser beam; subliming a region which has been irradiated with the laser beam through a region in which the shield is not formed in the photomask in the semiconductor film; forming an island-shaped semiconductor film in such a way that a region which is not irradiated with the laser beam is not sublimed because it is a region in which the shield is formed in the photomask; forming a first electrode which is one of a source electrode and a drain electrode and a second electrode which is the other one of the source electrode and the drain electrode; forming a gate insulating film; and forming a gate electrode over the gate insulating film

Method for Manufacturing Semiconductor Device

Provided are a semiconductor device, which can facilitate a salicide process and can prevent a gate from being damaged due to misalign, and a method of manufacturing of the semiconductor device. The method includes forming a first insulation layer pattern on a substrate having a gate pattern and a source/drain region formed at both sides of the gate pattern, the first insulation layer pattern having an exposed portion of the source/drain region, forming a silicide layer on the exposed source/drain region, forming a second insulation layer on the entire surface of the substrate to cover the first insulation layer pattern and the silicide layer, and forming a contact hole in the second insulation layer to expose the silicide layer.

Semiconductor devices and methods of manufacturing the same

A semiconductor device includes capacitors connected in parallel. Electrode active portions and a discharge active portion are defined on a semiconductor substrate, and capping electrodes are disposed respectively on the electrode active portions. A capacitor-dielectric layer is disposed between each of the capping electrodes and each of the electrode active portions that overlap each other. A counter doped region is disposed in the discharge active portion. A lower interlayer dielectric covers the entire surface of the semiconductor substrate. Electrode contact plugs respectively contact the capping electrodes through the lower interlayer dielectric, and a discharge contact plug contacts the counter doped region through the lower interlayer dielectric. A lower interconnection is disposed on the lower interlayer dielectric and contacts the electrode contact plugs and the discharge contact plug.

Semiconductor devices and methods of fabricating the same

Methods are provided for fabricating FinFET integrated circuits on bulk semiconductor substrates. In accordance with one embodiment a patterned hard mask that defines locations of a regular array of a plurality of fins is formed overlying a semiconductor substrate. Portions of the patterned hard mask are removed using a cut mask to form a modified hard mask. The substrate is etched using the modified hard mask as an etch mask to form a plurality of fins extending upwardly from the substrate and separated by trenches. Selected ones of the plurality of fins are at least partially removed to form isolation regions and an insulating material is deposited to fill the trenches and to cover the at least partially removed selected ones of the plurality of fins.

Methods for fabricating finfet integrated circuits on bulk semiconductor substrates

Methods are provided for fabricating integrated circuits. One method includes etching a plurality of trenches into a silicon substrate and filling the trenches with an insulating material to delineate a plurality of spaced apart silicon fins. A layer of undoped silicon is epitaxially grown to form an upper, undoped region of the fins. Dummy gate structures are formed overlying and transverse to the plurality of fins and a back fill material fills between the dummy gate structures. The dummy gate structures are removed to expose a portion of the fins and a high-k dielectric material and a work function determining gate electrode material are deposited overlying the portion of the fins. The back fill material is removed to expose a second portion and metal silicide contacts are formed on the second portion. Conductive contacts are then formed to the work function determining material and to the metal silicide.

Methods for fabricating integrated circuits

Strain greatly affects the electrical properties of silicon because strain changes the energy band structure of silicon. In MOSFET devices, the terminal voltages induce electrical fields, which themselves modulate the electronic band structure and interact with strain-induced changes. Applied electrical fields are used to experimentally study different state-of-the-art local and global strain techniques and reveal the different responses of n- and p-MOSFETs to the different strain techniques. It is shown that p-MOSFETs have more low-lateral-field linear drive-current enhancement and less high-lateral-field saturation drive-current enhancement at both low and high vertical fields. The situation is similar for n-MOSFETs at low vertical fields. However, at high vertical fields, n-MOSFET low-lateral-field linear drive-current enhancement is less than the high-lateral-field saturation drive-current enhancement. The origin for this behavior can be found in the different strain effects on the electronic band structure, which results in effective mass reduction and/or scattering suppression. These, in turn, contribute differently to linear and saturation drive-current enhancements in n- and p-MOSFETs.

Understanding Strain-Induced Drive-Current Enhancement in Strained-Silicon n-MOSFET and p-MOSFET

Three-dimensional transistors in a bulk configuration may be formed on the basis of gate openings or gate trenches provided in a mask material. Hence, self-aligned semiconductor fins may be efficiently patterned in the underlying active region in a portion defined by the gate opening, while other gate openings may be efficiently masked, in which planar transistors are to be provided. After patterning the semiconductor fins and adjusting the effective height thereof, the further processing may be continued on the basis of process techniques that may be commonly applied to the planar transistors and the three-dimensional transistors.

Self-aligned multiple gate transistor formed on a bulk substrate

Non-planar transistors, such as FinFETs, may be formed in a bulk configuration in the context of a replacement gate approach, wherein the semiconductor fins are formed during the replacement gate sequence. To this end, in some illustrative embodiments, a buried etch mask may be formed in an early manufacturing stage on the basis of superior process conditions.

Self-aligned fin transistor formed on a bulk substrate by late fin etch

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