The ratings on Fremont, Calif.-based Lam Research Corp. reflect the company's second-tier position in the highly stressed semiconductor capital goods industry and its good liquidity. Lam Research manufactures equipment to deposit, etch, and polish microscopically thin layers on the surface of silicon wafers, as part of the semiconductor manufacturing process. The company has materially refreshed its product line and somewhat improved its market position in the past few years. Still, market conditions are volatile, and profitability levels can be highly variable. Sales can vary by more than 100% year-to-year, and EBITDA margins have varied from slightly negative to more than 20%. Revenues in the two quarters ended June 29, 2003, were up 8% over the same period in 2002 due
