Lam Research Product Engineer interview questions

Got an interview invite the day after I submitted my resume. First, it's a 20-minute phone screen. Got a text from HR by the end of the day, informing me that I'll be invited on-site. On-site was a 50-minute presentation about my PhD work and three-panel interviews with multiple people. The onsite can be quite intense, got a lot of questions, some are really detailed about the research, and some are open-ended which requires a lot of instant thinking. The position focuses on hardware and requires hardware troubleshooting experience. I'd definitely recommend emphasizing this if you were invited for an interview.