The ornamental design for a shaftportion of an apparatus for holding and heating semiconductor wafers or the like, as shown and described.
FIG. 1 is a perspective view of a shaft portion of an apparatus for holding and heating semiconductor wafers or the like;
FIG. 2 is a front view thereof, a rear view being the same image of a front view;
FIG. 3 is a right side view thereof, a left side view being the same image of a right side view;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a sectional view taken vertically at the center of the portion shown by 5—5 in FIG. 2.
The broken lines showing on the drawing disclosure are for illustrative purposes only and form no part of the claimed design. The lines consisting of long lines end dots indicate conceptual border lines between the claimed portions and the disclaimed portions.