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If Terafab’s free-electron laser works as hoped, where could the biggest economic advantage come from?
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Making each chip physically smaller
131 votes (30.1%)
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Feeding many scanners from one powerful light source
143 votes (32.9%)
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Eliminating the need for ASML scanners
96 votes (22.1%)
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Using less advanced chip designs
65 votes (14.9%)
Total votes: 435
Answer: Feeding many scanners from one powerful light source
Explanation: The potential breakthrough isn’t that a free-electron laser replaces the machines that print advanced chips. It replaces one of their most expensive and limiting components: the light source.
Instead of every EUV scanner needing its own tin-droplet light source, one powerful FEL could potentially supply many scanners at once. As Sam explains, xLight believes a single FEL could feed as many as 20 ASML scanners while delivering four times the power.
That matters because more light means greater wafer throughput – and ultimately more chips from the same factory. In other words, the real prize may not be the ring itself, but the enormous increase in productivity it could unlock.