摘要:
An apparatus comprises a plasma flood gun for neutralizing a positive charge buildup on a semiconductor wafer during a process of ion implantation using an ion beam. The plasma flood gun comprises more than two arc chambers, wherein each arc chamber is configured to generate and release electrons into the ion beam in a respective zone adjacent to the semiconductor wafer.
摘要:
A method for forming an integrated circuit is provided. The method includes forming a gate dielectric structure over a substrate. A titanium-containing sacrificial layer is formed, contacting the gate dielectric structure. The whole titanium-containing sacrificial layer is substantially removed.
摘要:
The present disclosure provides a method of identifying an airborne molecular contamination (AMC) leaking source in a fab. The method includes distributing a sensor in the fab, executing a forward computational fluid dynamics (CFD) simulation of an air flow in the fab, setting an inversed modeling of the forward CFD simulation of the air flow in the fab, building up a database of a spatial response probability distribution matrix of the sensor using an AMC measurement data in the fab, and identifying the AMC leaking source using the database of the spatial response probability distribution matrix of the sensor.
摘要:
Methods of fabricating a metal hard mask and a metal hard mask fabricated by such methods are described. The method includes flowing at least one metal reactant gas into a reaction chamber configured to perform chemical vapor deposition (CVD), wherein the at least one metal reactant gas includes a metal-halogen gas or a metal-organic gas. The method further includes depositing a hard mask metal layer by CVD using the at least one metal reactant gas.
摘要:
An multi-ion beam implantation apparatus and method are disclosed. An exemplary apparatus includes an ion beam source that emits at least two ion beams; an ion beam analyzer; and a multi-ion beam angle incidence control system. The ion beam analyzer and the multi-ion beam angle incidence control system are configured to direct the emitted at least two ion beams to a wafer.
摘要:
The present disclosure provides for methods of fabricating a metal hard mask and a metal hard mask fabricated by such methods. A method includes flowing at least one metal reactant gas into a reaction chamber configured to perform chemical vapor deposition (CVD), wherein the at least one metal reactant gas includes a metal-halogen gas or a metal-organic gas. The method further includes depositing a hard mask metal layer by CVD using the at least one metal reactant gas.
摘要:
A method and system for integrated circuit fabrication is disclosed. In an example, the method includes determining a first process parameter of a wafer and a second process parameter of the wafer, the first process parameter and the second process parameter corresponding to different wafer characteristics; determining a variation of a device parameter of the wafer based on the first process parameter and the second process parameter; constructing a model for the device parameter as a function of the first process parameter and the second process parameter based on the determined variation of the device parameter of the wafer; and performing a fabrication process based on the model.
摘要:
A beam monitoring device, method, and system is disclosed. An exemplary beam monitoring device includes a one dimensional (1D) profiler. The 1D profiler includes a Faraday having an insulation material and a conductive material. The beam monitoring device further includes a two dimensional (2D) profiler. The 2D profiler includes a plurality of Faraday having an insulation material and a conductive material. The beam monitoring device further includes a control arm. The control arm is operable to facilitate movement of the beam monitoring device in a longitudinal direction and to facilitate rotation of the beam monitoring device about an axis.
摘要:
A method includes establishing an initial shot layout in which a number of shots are arranged in vertically aligned columns and horizontally aligned rows to cover a semiconductor wafer. At least one of a row of shots or a column of shots is shifted relative to an adjacent row or column of shots to establish at least one additional shot layout that differs from the initial shot layout in that shots in the at least one shifted row or column of shots are not aligned with the shots in the adjacent row or column of shots with which they were aligned in the initial shot layout. One of the initial shot layout and the at least one additional shot layout is selected as a final shot layout. The wafer is exposed to light using the final shot layout.
摘要:
The described embodiments of methods of bottom-up metal deposition to fill interconnect and replacement gate structures enable gap-filling of fine features with high aspect ratios without voids and provide metal films with good film quality. In-situ pretreatment of metal film(s) deposited by gas cluster ion beam (GCIB) allows removal of surface impurities and surface oxide to improve adhesion between an underlying layer with the deposited metal film(s). Metal films deposited by photo-induced chemical vapor deposition (PI-CVD) using high energy of low-frequency light source(s) at relatively low temperature exhibit liquid-like nature, which allows the metal films to fill fine feature from bottom up. The post deposition annealing of metal film(s) deposited by PI-CVD densifies the metal film(s) and removes residual gaseous species from the metal film(s). For advanced manufacturing, such bottom-up metal deposition methods address the challenges of gap-filling of fine features with high aspect ratios.