IPWR vs ARAY Comparison

Ideal Power Inc is engaged in the development of its broadly patented bidirectional power switches, creating efficient and ecofriendly energy control solutions for electric vehicles, electric vehicle charging, renewable energy, energy storage, UPS / data center, solid-state circuit breaker and other industrial and military applications. The company is focused on its patented Bidirectional, Bipolar Junction Transistor (B-TRAN) semiconductor technology. B-TRAN is a double-sided bidirectional AC switchable to deliver substantial performance improvements over conventional power semiconductors. The primary raw material used in the fabrication of B-TRAN devices is silicon wafers.

Accuray Inc is a radiation oncology company that develops, manufactures, sells and supports precise, treatment solutions which set the standard of radiation therapy care with the objective of helping patients live lives. The company's technology, The CyberKnife, is used to treat multiple types of cancer and tumors throughout the body. The CyberKnife Systems automatically track, detect and correct for a tumor and patient movement in real-time during the procedure, enabling delivery of precise, high dose radiation with sub-millimetre accuracy while patients breathe normally, without manual user intervention. The company has one operating segment which develops, manufactures and markets proprietary medical devices used in radiation therapy for the treatment of cancer patients.