Memory and image sensor provider Micron Technology Inc. of Boise, Idaho, has enlarged its Micron Semiconductor Asia PTE Ltd. plant in Singapore by 40 percent. The 264,778-sq-ft facility expansion houses equipment for testing and assembling high-density, high-speed memory components and modules. Representing a $250 million investment, the addition will reinforce Micron’s ability to meet the growing demand for semiconductors in Asia.