A method of controlling the frequency of a compressor in a chiller system is disclosed. A solid-state detector acquires radiation image information of a breast from a radiation that has been emitted from a radiation source and passed through the breast. The enclosure has a zipper door opening, and includes a fabric pouch that reverses to store the enclosure with poles for transportation. The first delay element is coupled between the first output and the first input of the SR latch. Embodiments include a ceramic or a bismaleimide-triazine epoxy laminate carrier having an array of landing pads formed by depositing a eutectic solder, where each landing pad in the comer of the array has a depression therein.