The ornamental design for a vaporchamber, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a vapor chamber showing the new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being omitted;
FIG. 3 is a right side elevational view thereof, the left side elevational view being omitted;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a perspective view of a second embodiment of a vapor chamber showing the new design.
The broken lines shown in FIGS. 1-6 depict portions of the vapor chamber that form no part of the claimed design. The dash-dot-dash line drawn in the FIGS. 1-6 depict boundary of the claimed design.