ATI Technologies Inc. was a semiconductor technology corporation based in Markham, Ontario, Canada, that specialized in the development of graphics processing units and chipsets. Founded in 1985 as Array Technologies Industry, the company was listed publicly in 1993 and was acquired by Advanced Micro Devices (AMD) in 2006. As a major fabrication-less or fabless semiconductor company, ATI conducted research and development in-house and outsourced the manufacturing and assembly of its products. ATI and its chief rival Nvidia emerged as the two dominant players in the graphics processors industry, eventually forcing other manufacturers into niche roles.
The acquisition of ATI in 2006 was important to AMDs strategic development of its Fusion generation of computer processors, which integrated general processing abilities with graphics processing functions within a single chip. Since 2010, the ATI brand name is no longer used for any of AMDs graphics processor products
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