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Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.
One of the largest medical-device companies, Medtronic develops and manufactures therapeutic medical devices for chronic diseases. Its portfolio includes pacemakers, defibrillators, heart valves, stents, insulin pumps, spinal fixation devices, neurovascular products, advanced energy, and surgical tools. The company markets its products to healthcare institutions and physicians in the United States and overseas. Foreign sales account for roughly 50% of the company's total sales.