From: jl@glen--canyon.com   
      
   On Thu, 5 Feb 2026 16:50:47 +1100, Bill Sloman    
   wrote:   
      
   >On 5/02/2026 8:21 am, john larkin wrote:   
   >> On Wed, 4 Feb 2026 21:31:59 +0100, Gerhard Hoffmann    
   >> wrote:   
   >>   
   >>> Am 04.02.26 um 15:35 schrieb Bill Sloman:   
   >>>>   
   >>>> Blue LED's were a Japanese invention. American tend to be unaware of this.   
   >>>   
   >>> Siemens Silicon Carbide   
   >>>   
   >>>>>> You may have heard about ASML:   
   >>>>>> The Netherlands   
   >>>>>   
   >>>>> They bought Cymer, in San Diego, to get the EUV technology. My company   
   >>>>> designed the first gen tin droplet electronics.   
   >>>   
   >>> ... and Carl Zeiss extended UV optics   
   >>>   
   >>   
   >> Trumph makes the gigantic CO2 lasers that nuke the tin droplets.   
   >>   
   >> It's a very messy, dirty process. Tin splatters everywhere.   
   >>   
   >> Cymer used flowing hydrogen to capture the tin before it trashed all   
   >> the optics. GigaPhoton tried to use superconductive magnets somehow,   
   >> but gave up.   
   >>   
   >> There must be a better way to do nm lithography. Several people are   
   >> trying.   
   >   
   >People have been working on doing lithography better since we first   
   >started making integrated circuits. There's not a lot of low-hanging   
   >fruit left to pluck, but we will keep trying.   
      
   Xlight among others are trying to use FELs to make EUV. It looks   
   difficult.   
      
   I can imagine one such source in the entire world, selling EUV beams   
   to a bunch of nearby fabs.   
      
      
   John Larkin   
   Highland Tech Glen Canyon Design Center   
   Lunatic Fringe Electronics   
      
   --- SoupGate-Win32 v1.05   
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