Patent classifications
H01L21/02219
COMPOSITIONS AND METHODS USING SAME FOR DEPOSITION OF SILICON-CONTAINING FILMS
Described herein are compositions and methods using same for forming a silicon-containing film or material such as without limitation a silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film in a semiconductor deposition process, such as without limitation, a plasma enhanced atomic layer deposition of silicon-containing film.
MULTIGATE DEVICE STRUCTURE WITH ENGINEERED CLADDING AND METHOD MAKING THE SAME
The present disclosure provides a method of making a semiconductor device. The method includes forming a semiconductor stack on a substrate, wherein the semiconductor stack includes first semiconductor layers of a first semiconductor material and second semiconductor layers of a second semiconductor material alternatively stacked on the substrate; patterning the semiconductor stack and the substrate to form a trench and an active region being adjacent the trench; epitaxially growing a liner of the first semiconductor material on sidewalls of the trench and sidewalls of the active region; forming an isolation feature in the trench; performing a rapid thermal nitridation process, thereby converting the liner into a silicon nitride layer; and forming a cladding layer of the second semiconductor material over the silicon nitride layer.
FILM DEPOSITION METHOD
A method performed by a film deposition apparatus includes supplying a first reaction gas, which is adsorbable to hydroxyl groups, to a surface of a substrate and causing the first reaction gas to be adsorbed onto the surface of the substrate; supplying a second reaction gas to the substrate and causing the second reaction gas to react with the first reaction gas adsorbed onto the surface of the substrate to form a reaction product on the substrate; supplying an activated third reaction gas to the substrate to modify a surface of the reaction product; and supplying a fourth reaction gas including a hydrogen-containing gas to at least a partial area of the modified surface of the reaction product to form hydroxyl groups on at least the partial area.
METHODS OF FILLING RECESSES ON SUBSTRATE SURFACES AND FORMING VOIDS THEREIN
A method of filling a recess on a surface of a substrate may comprise performing a deposition cycle on the substrate; allowing the deposited material to flow into the recess; and creating a void within the recess in response to the allowing the deposited material to flow. A void size of the void can be based on a ratio of a deposition repeat number of times that the deposition step is repeated to a treatment repeat number of times that the treatment cycle is repeated. The deposition cycle can comprise: providing an inert gas to the reaction chamber; performing a deposition step; and performing a treatment step. A deposition step can comprise: providing a precursor to the reaction chamber; and/or forming a deposited material from the precursor. A treatment step can comprise forming a plasma in the reaction chamber by applying a plasma power and treating the deposited material.
Method and apparatus for filling a gap
According to the invention there is provided a method of filling one or more gaps created during manufacturing of a feature on a substrate by providing a deposition method comprising; introducing a first reactant to the substrate with a first dose, thereby forming no more than about one monolayer by the first reactant; introducing a second reactant to the substrate with a second dose. The first reactant is introduced with a subsaturating first dose reaching only a top area of the surface of the one or more gaps and the second reactant is introduced with a saturating second dose reaching a bottom area of the surface of the one or more gaps. A third reactant may be provided to the substrate in the reaction chamber with a third dose, the third reactant reacting with at least one of the first and second reactant.
GAPFILL OF VARIABLE ASPECT RATIO FEATURES WITH A COMPOSITE PEALD AND PECVD METHOD
Provided herein are methods and apparatus for filling one or more gaps on a semiconductor substrate. The disclosed embodiments are especially useful for forming seam-free, void-free fill in both narrow and wide features. The methods may be performed without any intervening etching operations to achieve a single step deposition. In various implementations, a first operation is performed using a novel PEALD fill mechanism to fill narrow gaps and line wide gaps. A second operation may be performed using PECVD methods to continue filling the wide gaps.
OPTICAL FILTERING FOR INTEGRATED DIELECTRICS UV CURING PROCESSES
A method of forming a semiconductor device includes forming a dielectric layer over a substrate, and curing the dielectric layer with a first curing process. The first curing process includes providing a first UV light source, filtering the first UV light source with a first filter, the first filter permitting a first electromagnetic radiation within a first pre-determined spectrum to pass through and blocking electromagnetic radiation outside the first pre-determined spectrum, and curing the dielectric layer with the first electromagnetic radiation of the first UV light source.
Precursors suitable for high temperature atomic layer deposition of silicon-containing films
Provided are methods of depositing silicon-containing films utilizing certain precursors at temperatures of 400° C. or higher. Certain methods comprise exposing a substrate surface to a silicon precursor and another precursor to achieve various films. Examples of silicon-containing films which can be deposited include SiN, SiC, SiO.sub.2, SiCN, etc.
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM
A method of manufacturing a semiconductor device includes forming a film on a substrate by overlapping the following during at least a certain period: (a) supplying a first source to the substrate, the first source including at least one of an inorganic source containing a specific element and a halogen element and an organic source containing the specific element and the halogen element; (b) supplying a second source to the substrate, the second source including at least one of amine, organic hydrazine, and hydrogen nitride; and (c) supplying a third source to the substrate, the third source including at least one of amine, organic hydrazine, hydrogen nitride, and organic borane.
METHOD OF FORMING METAL INTERCONNECTION AND METHOD OF FABRICATING SEMICONDUCTOR APPARATUS USING THE METHOD
A semiconductor manufacturing method includes depositing a low-k dielectric layer, forming a trench in the low-k dielectric layer, forming a barrier layer in the trench, filling a metal on the barrier layer, planarizing the metal, and forming a capping layer on the planarized metal, wherein the capping layer includes at least two layers.