PDF Solutions Inc offers products and services designed to empower engineers and data scientists across the semiconductor ecosystem to improve the yield, quality, and profitability of their products. The solutions combine proprietary software, physical intellectual property (or IP) for integrated circuit (or IC) designs, electrical measurement hardware tools, various methodologies, and professional services. The company's products and services are sold to integrated device manufacturers (or IDMs), fabless semiconductor companies, foundries, outsourced semiconductor assembly and test (or OSATs), and system houses.