Abstract:
Embodiments of the present disclosure provide methods for forming nanowire structures with desired materials for three dimensional (3D) stacking of fin field effect transistor (FinFET) for semiconductor chips. In one embodiment, a method of forming nanowire structures on a substrate includes forming a multi-material layer on a substrate, wherein the multi-material layer includes repeating pairs of a first layer and a second layer, the substrate further comprising a patterned hardmask layer disposed on the multi-material layer, etching the multi-material layer through openings defined by the patterned hardmask layer to expose sidewalls of the first and the second layer of the multi-material layer, and laterally and selectively etching the second layer from the substrate.
Abstract:
Embodiments may involve a method of semiconductor patterning, which includes patterning a first hardmask layer on top of a second hardmask layer. This patterning may define a feature with a first width. The method may encompass reducing the first width to a second width, where the second width is less than or equal to 10 nm. The method may include patterning the second hardmask layer to define a patterned second hardmask layer. The method may involve etching a semiconductor substrate underlying the second hardmask layer to define a fin structure with a third width of less than or equal to 10 nm.
Abstract:
Processing methods for forming iridium-containing films at low temperatures are described. The methods comprise exposing a substrate to iridium hexafluoride and a reactant to form iridium metal or iridium silicide films. Methods for enhancing selectivity and tuning the silicon content of some films are also described.
Abstract:
The present disclosure provides forming nanostructures with precision dimension control and minimum lithographic related errors for features with dimension under 14 nanometers and beyond. A self-aligned multiple spacer patterning (SAMSP) process is provided herein and the process utilizes minimum lithographic exposure process, but rather multiple deposition/etching process to incrementally reduce feature sizes formed in the mask along the manufacturing process, until a desired extreme small dimension nanostructures are formed in a mask layer.
Abstract:
Methods and apparatus for forming FinFET structures are provided. Selective etching and deposition processes described herein may provide for FinFET manufacturing without the utilization of multiple patterning processes. Embodiments described herein also provide for fin material manufacturing methods for transitioning from silicon to III-V materials while maintaining acceptable crystal lattice orientations of the various materials utilized. Further embodiments provide etching apparatus which may be utilized to perform the methods described herein.
Abstract:
Methods and apparatus for forming FinFET structures are provided. Selective etching and deposition processes described herein may provide for FinFET manufacturing without the utilization of multiple patterning processes. Embodiments described herein also provide for fin material manufacturing methods for transitioning from silicon to III-V materials while maintaining acceptable crystal lattice orientations of the various materials utilized. Further embodiments provide etching apparatus which may be utilized to perform the methods described herein.
Abstract:
A method and apparatus for atomic layer deposition (ALD) is described. In one embodiment, an apparatus comprises a vacuum chamber body having a contiguous internal volume comprised of a first deposition region spaced-apart from a second deposition region, the chamber body having a feature operable to minimize intermixing of gases between the first and the second deposition regions, a first gas port formed in the chamber body and positioned to pulse gas preferentially to the first deposition region to enable a first deposition process to be performed in the first deposition region, and a second gas port formed in the chamber body and positioned to pulse gas preferentially to the second deposition region to enable a second deposition process to be performed in the second deposition region is provided.
Abstract:
Processing methods for forming iridium-containing films at low temperatures are described. The methods comprise exposing a substrate to iridium hexafluoride and a reactant to form iridium metal or iridium silicide films. Methods for enhancing selectivity and tuning the silicon content of some films are also described.
Abstract:
Methods for depositing one or more iridium materials on a surface of a substrate are provided. A method for forming the iridium material (e.g., metallic iridium and/or iridium silicide) on the substrate can include sequentially exposing the substrate to an iridium precursor and a reducing agent during an atomic layer deposition (ALD) process within a process chamber and depositing the iridium material on the substrate. In some examples, the reducing agent can be or include hydrogen gas (H2), a hydrogen plasma, atomic hydrogen, hydrazine or derivatives thereof, or any combination thereof and the deposited iridium material is metallic iridium. In other examples, the reducing agent contains one or more silicon precursors and the iridium material is an iridium silicide.
Abstract:
The present disclosure generally relates to devices having conformal semiconductor cladding materials, and methods of forming the same. The cladding material is a silicon germanium epitaxial material. The cladding material is capable of being deposited to a thickness which is less than cladding materials formed by conventional deposition/etch techniques.