PHOENIX & HUDSON, N.H.–(BUSINESS WIRE)–onsemi (Nasdaq: ON), a leading supplier of intelligent power and sensing technologies, and GT Advanced Technologies (“GTAT”), a producer of silicon carbide (SiC), today announced that they have entered into a definitive agreement under which onsemi will acquire GTAT for $415 million in cash. Founded in 1994, GTAT has significant experience in crystalline growth, including SiC. SiC is a key material for next-generation semiconductors that provide technica