Lam Research Corporation is an American supplier of wafer fabrication equipment and related services to the semiconductor industry founded by David K. Lam in 1980 and headquartered in Fremont, California. Its plasma etch systems support deep silicon etch processes and its portfolio includes equipment for thin film deposition, photoresist strip and wafer cleaning used in front-end fabrication and wafer-level packaging for semiconductor devices. Its products enable customers to build electronic devices such as mobile phones, personal computers, servers, wearables, automotive systems and data storage solutions. Key customers include major chipmakers such as Micron Technology, Samsung Electronics and TSMC and over ninety percent of its revenue comes from customers outside the United States. The company designs, manufactures, markets, refurbishes and services its equipment worldwide to support innovation in semiconductor manufacturing technology and wafer processing solutions.