We have continued to extend our leadership position in HB-LED metrology and process control with our newest PL mapping system, the RPMBlue,” commented Tom Ryan, Director of the Materials Characterization Business Unit at Nanometrics. “Our customers in Asia are adopting the high-productivity RPMBlue to support the rapidly-growing application of HB-LEDs for backlighting of notebook and LCD televisions. This latest round of RPMBlue orders comes from end-device manufacturers as well as a leading MOCVD reactor supplier. As the HB-LED process flow becomes increasingly complex, it drives the requirement for improved control of overlay and critical dimensions in the patterning process. Our IVS185 system, shipping for the first time to an led high bay light customer, is a cost-effective solution that incorporates both overlay and CD control in a single tool, with extendibility across multiple substrate sizes.
In this project, upright freezer cases were retrofitted with LED striplights combined with occupancy sensors, and compared against standard fluorescent lighting on the opposite side of the aisle. Key findings include。
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