4 ms·
A few points in terms of context. 1. The original paper in Japanese claim to use only 4 mirrors to achieve the same results. Although this story only mentions
by ksec 2y ago
A few points in terms of context.
1. The original paper in Japanese claim to use only 4 mirrors to achieve the same results. Although this story only mentions >the EUV equipment’s optical system is greatly simplified
1. Japan isn't new to lithography. Both Canon and Nikon are in the market as well and eventually gave on EUV research and focuses on DUV.
2. Power consumption is reduced by a factor of ten is extremely important as modern EUV, and future High-NA EUV are insanely power hungry, with 30%+ of the raw cost of chip manufacturing goes to energy usage alone. And this isn't just TSMC but also NAND and DRAM maker as well.
3. ASML has something similar in the work as well. Although not to any extreme as factor of 10. But then they also dont need these sort of claim to get funding as the one here does.
- bradleyjg 2y agowith 30%+ of the raw cost of chip manufacturing goes to energy usage alone Is the marginal cost of production at all relevant compared to the upfront capital outlay?
- epoxia 2y agoYou can get a loan to spread out payments, reducing operating costs would be similar to reducing those payments. It also impacts viability and resale in second hand markets.
- bradleyjg 2y agoSure, but the question is the scale. Is debt service 10x operating costs? 2x? 50x? .5x? Those imply very different sorts of business.
- epoxia 2y agoThe graphic from the OIST in the link makes reference to both the reduced power needed and reduced capital costs, less mirrors & cheaper EUV light source. Also, less power -> less heat -> less cooling. I scoured for some other info as well: A single chip would go through a photo-lithography tool about 80 times. A photo-lithography tool can work on approx. 125 wafers per hour (5 FOUPS). A wafer contains ~230 chips. Current EUV light source requires a 20kw carbon laser. https://www.youtube.com/watch?v=dX9CGRZwD-w https://www.youtube.com/watch?v=dX9CGRZwD-w https://www.youtube.com/watch?v=5Ge2RcvDlgw https://www.youtube.com/watch?v=5Ge2RcvDlgw
- ksec 2y agoOne is OpeX and the other is CapeX. I would argue they are both important.
- bradleyjg 2y agoDon’t confuse the map for the territory. Dollars are fungible.
- jiggawatts 2y agoI tried to explain this to our finance team, but they just gawked at me with a stunned look of disbelief. To be fair, I did notice were busy colouring in money with different felt tip pens. “This is ‘blue’ money and it can’t be mixed with the ‘red’ or ‘green’ money. That would be silly!”
- red_trumpet 2y agoLater on the article says > To eliminate this problem, Professor Shintake aligned two axis-symmetric mirrors in a straight line and used a total of only four mirrors instead of ten.
- ibaikov 2y ago> 30%+ of the raw cost of chip manufacturing goes to energy usage Are there any links to this data? Curious to read more about it, thanks.