Probe cards are essential tools used to test integrated circuits on semiconductor wafers. They have an array of tiny probes that make contact with the wafer pads to enable electrical testing. The manufacturing process involves meticulous design, precision machining, assembly in a sterile environment, and rigorous testing. Advanced techniques like microfabrication and MEMS probes help improve testing accuracy and efficiency as components shrink, while new materials enhance reliability. Probe cards play a crucial role in semiconductor quality control, yield enhancement, and efficient production timelines and costs. Their advancement parallels the constant push for smaller, more powerful semiconductor technologies.