I thought this video was a lot better than the Veritasium video. The Veritasium video was awkward. I think they tried to follow the formula from the (excellent) blue led video that performed so well, but it just didn't work.
The thing I didn't understand after watching that video was why you need such an exotic solution to produce EUV light. We can make lights no problem in the visible spectrum, we can make xray machines easily enough that every doctors office can afford one, what is it specifically about those wavelengths that are so tricky.
As I understand it, primarly because due to the high energy level of x-rays, light x-ray interacts very differently with materials[1]. Primarily they get absorbed, so very difficult to make mirrors or lenses, which are crucial for litography to redirect and focus the light on a specific miniscule point on the wafer.
The primary method is to rely grazing angle reflection, but that per definition only allows you a tiny deflection at a time, nothing like a parabolic mirror or whatnot.
All of these problems or equivalent still exist in EUV. Litho industry had to kind of rethink the source and scanner because it went from all lenses to all mirrors in EUV. This is also why low NA and high NA EUV scanners were different phases.
As I hear it, the decision had large economic component related to Masks and even OPC.
It really is the specific wavelength. Higher or lower is easier. But euv has tricky properties which make it feasible for Lithography (although just barely it you have a look at the optics) but hard to produce with high intensities.
Specifically, what makes x-rays easy to generate are these: https://en.wikipedia.org/wiki/Characteristic_X-ray In essence, smashing electrons into atoms allows you to ionize the inner shell of an atom and when an electron drops down from an outer shell, the excess energy is shed as high-energy photons. This constrains the energy range of X-ray tubes ("smash electron into metal") to wavelengths well below 13.5nm.
(These emission lines are also what is being used in x-ray spectroscopy to identify elements)
The whole “exploding tiny drops of metal” in the middle of this is just Loony Toons. This machine is literally insane and two of the companies I am long-long on would be completely fucked without it.
Yes it was crazy when I first heard about it "wait what? they shoot it in mid-air?" and that was before I found out they did that like 30k times a second.
But now 100k times a second apparently. Humans are amazing.
You have a machine that’s basically a clean room inside and one of the parts is essentially electrosputtering tin but then throwing all the tin away and using the EM pulse from the sputter to do work.
Oh and can you build it so it can run hundreds or thousands of hours before being cleaned? Thanks byyyyyyyyeeeeee!
> The key advancements in Monday's disclosure involved doubling the number of tin drops to about 100,000 every second, and shaping them into plasma using two smaller laser bursts, as opposed to today's machines that use a single shaping burst.
This is covered in that video. Did they let him leak their Q1 plans?
That has been covered before in other videos[0] that this is their roadmap to higher power, so I'm also not sure what they have announced now that wasn't previously announced.
So how small are individual components (e.g., transistors) nowadays? Presumably there's a lower limit: once you're a few atoms across, it seems that you can't go any smaller (?).
Yeah it's an interesting angle in the article. The EUV light source technology is completely designed, developed, and manufactured by Cymer in California, which is a US company that ASML acquired in 2013. If export control agreements were not in place then ASML would have never been permitted to acquire Cymer. And if they are not enforced then the US would almost certainly require ASML to sell Cymer back to US ownership, TikTok-style.
The reality is that it's American technology that is used in ASML machines so I don't know why the article tries to frame it like it's a competition.
There is much more in an ASML machine, besides the UV source.
So the ASML machines combine technologies developed in various places, not only in USA, even if the UV source is indeed a critical component. While an ASML machine would not work without the UV source, it would also not work without many other critical optical and mechanical components.
If it were so easy to make a lithography machine when you have a UV source, Cymer would have remained an independent company or it would have been bought by a US company. Cymer has been bought by their only customer.
The same happens when you look at a PC, it is likely that it contains something essential that comes from USA, i.e. the CPU logic may be designed by AMD, but the manufacturing technology is designed in Taiwan, the memories may be designed and made in Korea, other chips may be designed and made in Taiwan, other components come from Japan, the PCB may have been designed in Taiwan, but actually made in China, and so on.
So yes, it has some important US technology in it, but there is a very long way from a CPU logic design to a physical computer and most of that rarely has anything to do with USA.
Your take is also a bad one. No what asml builds is not American technology. Why asml succeeded is because they got tons of company’s and people to help them advance the technology of the chip industry. Yes it wouldn’t be possible without the Americans. But it would also not be possible without the Europeans, the Koreans, etc… what asml did was basically ask the technology leaders in each field to build their best product so that they can take their parts and assembly this awesome piece of technology.
xLight is the promising new US competitor to Cymer. Lots of funding from the US CHIPS And Science Act. Founded by Dept. of Energy engineers who formerly worked on large-scale X-Ray systems and particle accelerators.
https://www.youtube.com/watch?v=B2482h_TNwg
Or this presentation which came out way long ago.
The primary method is to rely grazing angle reflection, but that per definition only allows you a tiny deflection at a time, nothing like a parabolic mirror or whatnot.
[1]: https://en.wikipedia.org/wiki/X-ray_optics
As I hear it, the decision had large economic component related to Masks and even OPC.
(These emission lines are also what is being used in x-ray spectroscopy to identify elements)
But now 100k times a second apparently. Humans are amazing.
Oh and can you build it so it can run hundreds or thousands of hours before being cleaned? Thanks byyyyyyyyeeeeee!
< Why?!
> To make a better laser.
< Yes, of course you are.
> 100,000 times per second.
< [AFK, buying shares.]
We are quickly leaving the realm of dependent variables still looking anything like diversification.
https://www.youtube.com/watch?v=MiUHjLxm3V0
> The key advancements in Monday's disclosure involved doubling the number of tin drops to about 100,000 every second, and shaping them into plasma using two smaller laser bursts, as opposed to today's machines that use a single shaping burst.
This is covered in that video. Did they let him leak their Q1 plans?
[0]: https://www.youtube.com/watch?v=MXnrzS3aGeM
> "We see a reasonably clear path toward 1,500 watts, and no fundamental reason why we couldn't get to 2,000 watts."
> The company's researchers have found a way to boost the power of the EUV light source to 1,000 watts from 600 watts now.
with more on the horizon:
> We see a reasonably clear path toward 1,500 watts, and no fundamental reason why we couldn't get to 2,000 watts.
> to help retain the Dutch company's edge over emerging U.S. and Chinese rivals
Great news, but what a strange attempt to equate the U.S. and China in this and build a narrative. Cymer was founded in San Diego.
The reality is that it's American technology that is used in ASML machines so I don't know why the article tries to frame it like it's a competition.
So the ASML machines combine technologies developed in various places, not only in USA, even if the UV source is indeed a critical component. While an ASML machine would not work without the UV source, it would also not work without many other critical optical and mechanical components.
If it were so easy to make a lithography machine when you have a UV source, Cymer would have remained an independent company or it would have been bought by a US company. Cymer has been bought by their only customer.
The same happens when you look at a PC, it is likely that it contains something essential that comes from USA, i.e. the CPU logic may be designed by AMD, but the manufacturing technology is designed in Taiwan, the memories may be designed and made in Korea, other chips may be designed and made in Taiwan, other components come from Japan, the PCB may have been designed in Taiwan, but actually made in China, and so on.
So yes, it has some important US technology in it, but there is a very long way from a CPU logic design to a physical computer and most of that rarely has anything to do with USA.
The same happens with an ASML machine.