By Mark LaPedus
Seeking to reduce the cost of solid-state lighting and related applications, LED manufacturers are taking a page from the IC industry: They are looking at larger wafer sizes and new materials in the fab.
Today, the state-of-the-art LED fab is a 150mm (6-inch) facility, but a large percentage of these plants are still using 50mm (2-inch) substrates. The vast majority of LED s...
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