Abstract: Showerhead assemblies and semiconductor processing systems including showerhead assemblies are disclosed. The showerhead assemblies disclosed include a lid, a showerhead plate, and an annular flow ring disposed between the lid and the showerhead plate. Methods for regulating gas flow to and from a reaction chamber when performing a process are disclosed. The methods disclosed include positioning an annular flow ring at first position and a second position.

Abstract: A hanging and shipping support system and device is provided. The hanging and shipping support system includes a wall hanging, a hanging and shipping support device, and a packaging device. The wall hanging may include a front panel and a back panel. The hanging and shipping support device include a hanger support having a thickness and a hanger. The packaging device has a thickness that is substantially similar to the hanger support thickness. A hanging and shipping support device includes a hanging support having a thickness, a hanger, and a packaging device that is substantially similar to the thickness of the hanger support.