<unk>  is a specialty responsible for applying<unk>  technology for the improvement and delivery of health services. While some trace its roots back to the 1940s, the term<unk> " was first used in 1969. Over the years, the field has changed from an initial focus on research activities to its current emphasis on equipment maintenance activities. Attempts have been made to broaden the scope of<unk>  activities to encompass activities such as pre-purchase equipment evaluation, incident investigation, equipment management, productivity, cost effectiveness, information systems integration, and patient safety activities; however, all of these have met with limited success.
Clinical engineering
Drug design
Mobile health
Medical education
Semiconductor device fabrication
Cancer Research 
Biological engineering
Surface science