Patent classifications
H01L21/2236
System and method for precision formation of a lattice on a substrate
A system and method for manufacturing a lattice structure of ionized particles on a substrate, wherein the process may be improved by controlling the number of ionized particles that are ejected from an ionizer and directed to a substrate, and wherein the ionized particles are disposed on the substrate, thereby enabling the creation of a lattice structure that may be as thin as a single layer of ionized particles.
VERTICAL TRANSISTOR INCLUDING SYMMETRICAL SOURCE/DRAIN EXTENSION JUNCTIONS
A semiconductor device includes a first source/drain region on an upper surface of a semiconductor substrate that extends along a first direction to define a length and a second direction opposite the first direction to define a width. A channel region extends vertically in a direction perpendicular to the first and second directions from a first end contacting the first source/drain region to an opposing second end contacting a second source/drain region. A gate surrounds a channel portion of the channel region, and a first doped source/drain extension region is located between the first source/drain region and the channel portion. The first doped source/drain extension region has a thickness extending along the vertical direction. A second doped source/drain extension region is located between the second source/drain region and the channel portion. The second doped source/drain extension region has a thickness extending along the vertical direction that matches the first thickness.
DEEP TRENCH ISOLATION WITH SEGMENTED DEEP TRENCH
A semiconductor device has a first trench and a second trench of a trench structure located in a substrate. The second trench is separated from the first trench by a trench space that is less than a first trench width of the first trench and less than a second trench width of the second trench. The trench structure includes a doped sheath having a first conductivity type, contacting and laterally surrounding the first trench and the second trench. The doped sheath extends from the top surface to an isolation layer and from the first trench to the second trench across the trench space. The semiconductor device includes a first region and a second region, both located in the semiconductor layer, having a second, opposite, conductivity type. The first region and the second region are separated by the first trench, the second trench, and the doped sheath.
Enhanced substrate amorphization using intermittent ion exposure
A method may include providing a substrate in a plasma chamber, the substrate comprising a monocrystalline semiconductor, having an upper surface. The method may include initiating a plasma in the plasma chamber, the plasma comprising an amorphizing ion species, and applying a pulse routine to the substrate, the pulse routine comprising a plurality of extraction voltage pulses, wherein a plurality of ion pulses are directed to the substrate, and wherein an ion dose per pulse is greater than a threshold for low dose amorphization.
Method of forming semiconductor device
A FinFET device and a method of forming the same are disclosed. In accordance with some embodiments, a FinFET device includes a substrate having at least one fin, a gate stack across the at least one fin, a strained layer aside the gate stack and a silicide layer over the strained layer. The strained layer has a boron surface concentration greater than about 2E20 atom/cm.sup.3 within a depth range of about 0-5 nm from a surface of the strained layer.
Semiconductor device, method for manufacturing the same, power circuit, and computer
A semiconductor device according to an embodiment includes a nitride semiconductor layer; an insulating layer; a first region disposed between the nitride semiconductor layer and the insulating layer and containing at least one element of hydrogen and deuterium; and a second region disposed in the nitride semiconductor layer, adjacent to the first region, and containing fluorine.
Formation method of semiconductor device structure with metal-semiconductor compound region
A method for forming a semiconductor device structure is provided. The method includes forming a fin structure over a semiconductor substrate and forming a gate stack over the fin structure. The method also includes forming an epitaxial structure over the fin structure, and the epitaxial structure is adjacent to the gate stack. The method further includes forming a dielectric layer over the epitaxial structure and forming an opening in the dielectric layer to expose the epitaxial structure. In addition, the method includes applying a metal-containing material on the epitaxial structure while the epitaxial structure is heated so that a portion of the epitaxial structure is transformed to form a metal-semiconductor compound region.
FIN FIELD-EFFECT TRANSISTOR DEVICE HAVING CONTACT PLUGS WITH RE-ENTRANT PROFILE
A method of forming a semiconductor device includes: forming a gate structure over a fin that protrudes above a substrate; forming source/drain regions over the fin on opposing sides of the gate structure; forming a first dielectric layer and a second dielectric layer successively over the source/drain regions; performing a first etching process to form an opening in the first dielectric layer and in the second dielectric layer, where the opening exposes an underlying electrically conductive feature; after performing the first etching process, performing a second etching process to enlarge a lower portion of the opening proximate to the substrate; and forming a contact plug in the opening after the second etching process.
STRUCTURES AND METHODS FOR FORMING DYNAMIC RANDOM-ACCESS DEVICES
Disclosed are DRAM devices and methods of forming DRAM devices. One non-limiting method may include providing a device, the device including a plurality of angled structures formed from a substrate, a bitline and a dielectric between each of the plurality of angled structures, and a drain disposed along each of the plurality of angled structures. The method may further include providing a plurality of mask structures of a patterned masking layer over the plurality of angled structures, the plurality of mask structures being oriented perpendicular to the plurality of angled structures. The method may further include etching the device at a non-zero angle to form a plurality of pillar structures.
STRUCTURES AND METHODS FOR FORMING DYNAMIC RANDOM-ACCESS DEVICES
Disclosed are DRAM devices and methods of forming DRAM devices. One non-limiting method may include providing a device, the device including a plurality of angled structures formed from a substrate, a bitline and a dielectric between each of the plurality of angled structures, and a drain disposed along each of the plurality of angled structures. The method may further include providing a plurality of mask structures of a patterned masking layer over the plurality of angled structures, the plurality of mask structures being oriented perpendicular to the plurality of angled structures. The method may further include etching the device at a non-zero angle to form a plurality of pillar structures.