Looking for solutions in the highly competitive commercial market? You can rely on Johnstech to provide a cost-effective top of the line answer. Johnstech has taken all the best features found throughout the Spring Probe world and combined them into our designs. A lot of experience and care went into the design of these probes to provide our customers with the best features. Johnstech studied several hundred WLCSP packages to understand ball diameters and heights that are most prevalent. We were able to optimize the tip geometry based on this exhaustive study of the market.