Elan Microelectronics Corp (義隆電子), which designs chips used in PC touch pads and touch screens, yesterday said revenue would plummet about 30 percent sequentially this quarter as customers scale back orders due to sagging computer demand and excess inventory. The company said growth momentum for commercial notebook computers began to ebb in the second half of this year, as enterprises cut spending amid soaring inflation and economic headwinds. As customers are stepping up efforts to reduce channel inventory, especially touch pads used in Chromebooks, the overall inventory level is expected to return to normal in the first half of next year,