4 ms·
Thanks that all makes good sense. I was curious about "post-pattering mechanisms"? Is this a new area in fab process technology? Might you have some links? Anot
by bogomipz 8y ago
Thanks that all makes good sense. I was curious about "post-pattering mechanisms"? Is this a new area in fab process technology? Might you have some links? Another 15-20 doublings from where we are today is pretty awesome.
- dfrage 8y agoPatterning is the use of multiple masks to get fine features smaller than the wavelength of light you're using where in previous larger feature nodes one mask sufficed: https://en.wikipedia.org/wiki/Multiple_patterning https://en.wikipedia.org/wiki/Multiple_patterning It's very expensive in terms of tooling, since you need a lot more more masks, and production time spend in lithography steps. See this comment in this discussion https://news.ycombinator.com/item?id=19570724 https://news.ycombinator.com/item?id=19570724 for a bit more.