41. The new factory will produce next-generation microprocessors on silicon wafers slightly larger and cost efficient. 42. Tower Semiconductor, based near Haifa in northern Israel, manufactures semiconductor integrated circuits on silicon wafers . 43. Intel is developing technology to use 12-inch silicon wafers . 44. It begins with photolithography on a bulk silicon wafer . 45. The plant will have enough capacity to process 20, 000 8-inch silicon wafers a month. 46. Intel scientists are designing special mirrors that will reflect the light onto the silicon wafers . 47. Silicon wafers are the base material for chips onto which tiny electronic circuits are etched.48. Silicon wafers are the base material for semiconductor chips.49. They ferry a precious cargo of eight-inch silicon wafers . 50. The silicon wafers start out blank and pure.