The ornamental design for a showerheadreflector, as shown and described.
FIG. 1 is a front isometric top view of a showerhead reflector for a substrate processing system.
FIG. 2 is a top plan view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a first side view thereof taken along line 4-4 of FIG. 2.
FIG. 5 is a second side view thereof taken along line 5-5 of FIG. 2.
FIG. 6 is a third side view thereof taken along line 6-6 of FIG. 2.
FIG. 7 is a fourth side view thereof taken along line 7-7 of FIG. 2.
FIG. 8 is another front isometric top view thereof assembled with three additional showerhead reflectors; and,
FIG. 9 is another top plan view thereof assembled with the three additional showerhead reflectors.
The broken lines shown in FIG. 8 and FIG. 9 show an environment in which the showerhead reflector can be positioned that forms no part of the claimed design. All other broken lines shown in FIGS. 1-9 illustrate portions of the showerhead reflector assembly that form no part of the claimed design.