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Month: November 2022

Does SF6 etch SiO2?

Does SF6 etch SiO2? SF6 etches silicon much faster than SiO2, so as soon as you break through the oxide you will start to etch a lot of silicon. What does SF6 etch? Sulfur hexafluoride (SF6) is commonly used as Read more…

What are the 10 hardest words to pronounce?

What are the 10 hardest words to pronounce? The 10 hardest English words to pronounce, according to Reddit Worcestershire. Pronunciation: Wuss-ter-sheer. This one is hotly debated. Choir. Pronunciation: Kw-eye-er. Isthmus. Pronunciation: Is-muss. Sixth. Pronunciation: Siks. Penguin. Pronunciation: Pen-gwen. Otorhinolaryngologist. Pronunciation: Read more…