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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Phil Hobbs Newsgroups: sci.electronics.design Subject: Re: 38 Mb/mm^2 SRAM Date: Thu, 31 Oct 2024 20:47:36 -0000 (UTC) Organization: A noiseless patient Spider Lines: 47 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 31 Oct 2024 21:47:37 +0100 (CET) Injection-Info: dont-email.me; posting-host="0fdf8d44c2f71eede799e20e1af30953"; logging-data="3001204"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/9xj5+mIZNr6Jv6aD4chOZ" User-Agent: NewsTap/5.5 (iPhone/iPod Touch) Cancel-Lock: sha1:ECWMUV9bkpYH88M3hALtYvy3osI= sha1:2DQu+wk1VfMkzt9vFWAUbgsv/BI= Bytes: 2771 Jeroen Belleman wrote: > On 10/31/24 20:42, Joe Gwinn wrote: >> On Thu, 31 Oct 2024 17:36:23 +0100, Jeroen Belleman >> wrote: >> >>> On 10/31/24 16:01, Sylvia Else wrote: >>>> On 31-Oct-24 8:46 pm, Jan Panteltje wrote: >>>>> SRAM scaling isn't dead after all — TSMC's 2nm process tech claims >>>>> major improvements >>>>> >>>>> https://www.tomshardware.com/tech-industry/sram-scaling-isnt-dead-after-all-tsmcs-2nm-process-tech-claims-major-improvements#main >>>>> >>>>> gate all around tech... >>>>>   38 Mb/mm^2 >>>>> >>>> If my arithmetic is right, there are about 50 atoms of silicon per cubic >>>> nanometre. Surely we're approaching the limits of this. >>>> >>>> Sylvia. >>> >>> The stated '2nm process' has little to do with the actual size >>> of features on the chip. It has become a sales argument rather >>> than the true size of something. >> >> If I recall, it actually has a fairly precise definition, that it's >> the smallest feature size that can be manufactured. So, it's roughly >> equivalent to a pixel, and it takes many pixels to make a legible >> letter or number. >> >> Joe Gwinn > > It used to, to be sure, but no more. You can't image 2nm details > with 13nm EUV. > > Jeroen Belleman > You can, actually, because of the high contrast of photoresist. You do have to use multiple patterning steps per level. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics