Jazz Semiconductor makes most of its semiconductors using jazzy materials and processes. The company serves as a contract manufacturer of analog and mixed-signal chips from its 320,000-sq. ft. silicon foundry in California. While it uses plain old silicon for some products, most of its chips for networking and wireless applications call for fabrication in silicon germanium (SiGe) and other compounds. Jazz Semi uses BiCMOS (bipolar complementary metal-oxide semiconductor) and other process technologies to make analog and mixed-signal devices. Israeli parent Tower Semiconductor and Jazz operate together under the brand name TowerJazz.