The current technology to generate extreme ultraviolet involves a container of molten/liquid tin that is released drop by drop; these are vaporized by a laser.

The current technology to generate extreme ultraviolet involves a container of molten/liquid tin that is released drop by drop; these are vaporized by a laser. The equipment for this is sold by one vendor, ASML (a company in the Netherlands). It is extremely expensive. https://en.m.wikipedia.org/wiki/Extreme_ultraviolet_lithography https://en.m.wikipedia.org/wiki/Extreme_ultraviolet_lithogra... A Japanese advance was reported on HN recently that could simplify EUV. https://news.ycombinator.com/item?id=41336690 https://news.ycombinator.com/item?id=41336690