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  "documentTitle": "Lasertec Corporation (6920)",
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  "authorName": "Scorpion Capital",
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  "presentationDate": "2024-06-05 00:00:00",
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      "text": "TSMC has to run parallel/redundant inspections as Lasertec’s tool is unreliable",
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      "text": "TSMC has to run parallel/redundant inspections as Lasertec’s tool is unreliable\nQ: “What else have you heard about TSMC's feedback...?”\nA: “It's not so easy to change the process... It's going to take time, so they will have to run parallel inspections of the same masks...\"\nQ: “So, whenever they do use a Lasertec machine, they're having to kind of duplicate the inspection with other machines?”\nA: “Yes. Just to make sure there are no defects that go through without detection. If that happens, the same defect will print on every single semiconductor. And if it's a fatal defect, it can cost them billions. They cannot ship wafers anymore.” - Longtime, senior semicap equipment executive in Japan who is friendly with Lasertec's CEO",
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      "text": "“not so easy with a new technology like actinic inspection...they will have to run parallel inspections of the same masks...just to make sure there are no defects that go through without detection...if it’s a fatal defect, it can cost them billions...they cannot ship wafers anymore.”",
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      "text": "It’s not so easy to change the process. If they have an established process and an established yield number of, let’s say, 19% or something, phasing in the new technology should improve the yield. So, everything needs to be fine-tuned to surpass the existing solution. And that’s not so easy with a new technology like actinic inspection. It’s going to take time, so they will have to run parallel inspections of the same masks, for example, every day, just to make sure that they get the same results... Yes. Just to make sure there are no defects that go through without detection. If that happens, the same defect will print on every single semiconductor. And if it’s a fatal defect, it can cost them billions. They cannot ship wafers anymore. — Longtime, senior semicap equipment executive in Japan who is friendly with Lasertec’s CEO",
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      "text": "Source: Scorpion Capital consultation calls with experts",
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      "text": "Echoing a theme we detail in the coming pages as well as a separate section, the expert stated that Lasertec’s tool is so unreliable and has such little trust that TSMC has to run parallel, duplicate inspections with other tools to catch mask defects",
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