Complex sentence: In 1949 he set up a solid state electronics research laboratory for Motorola in Phoenix, Arizona, which ultimately became the headquarters of the Semiconductor Products Sector of Motorola, and ultimately Freescale Semiconductor as it separated from Motorola.
Split into simpler sentences: In 1949 he set up a solid state electronics research laboratory for Motorola in Phoenix, Arizona. This became the headquarters of the Semiconductor Products Sector of Motorola, and ultimately Freescale Semiconductor as it separated from Motorola.