Implant Sciences, incorporated in 1984, is using its core ion technology to develop, manufacture and market products for the homeland security, semiconductor and medical device industries. The company has developed and commercialized portable and bench-top detection devices to identify explosives. The devices are distributed under the Quantum Sniffer brand name. The company also provides ion implantation and wafer analytical services for the semiconductor industry. Its semiconductor customers are serviced through two subsidiary groups, Core Systems and Accurel Systems International. The company also develops, manufactures and sells radioactive products for the treatment of cancer, including radioactive seeds for the treatment of prostate cancer and a radioactive source for use in the treatment of breast cancer. Implant Sciences is headquartered in Wakefield, Mass.