The ornamental design for a plunger for semiconductorchip-testing probe, as shown and described.
FIG. 1 is a perspective view.
FIG. 2 is a front view.
FIG. 3 is a back view.
FIG. 4 is a left side view.
FIG. 5 is a right side view.
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan view.
The present design relates to a plunger that is inserted into a semiconductor chip-testing probe and has a conical-shaped end. The material of the present design is metal.