Social media is passing around an announcement that Huawei is testing a China-domestically developed EUV machine. This machine uses an EUV light source known as Laser-induced Discharge Plasma, or LDP. This is in contrast to ASML's method, which is called the Laser Produced Plasma or LPP method. It is claimed that LDP is much more efficient than LPP. Smaller, simpler and with better energy efficiency. Has ASML just been DeepSeek’d? I have been asked to speak on this via email and Twitter. I guess I have to do it. There is so little out there about how this machine works, so I am not going to speculate. But people have tried LDP before and we can talk about that. Feel free to extrapolate from there. In today's cope video, let’s take a look at the Laser-Induced Discharge Plasma EUV light source.
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