What technology is used in a cell phone sanitizer to eliminate germs?

The technology used in a cell phone sanitizer to eliminate germs is ultraviolet (UV) light. This method is effective because UV light is known for its germicidal properties, which can disrupt the DNA and RNA of bacteria, viruses, and other pathogens, rendering them unable to reproduce and effectively killing them. Many sanitizers utilize specific wavelengths of UV light that are particularly effective in the disinfection process, making it a popular choice for sanitization devices designed for personal items like cell phones.

The other technologies mentioned are either not designed specifically for germ elimination in the way UV light is, or they do not have the same level of documented effectiveness against a wide range of microorganisms. For example, while steam heat can sanitize and is used in some cleaning processes, it may not be suitable for all electronic devices due to the potential for moisture damage. Similarly, infrared light and electromagnetic waves do not possess the same germicidal properties as UV light, which is a crucial aspect of sanitization technology.