From: bill.sloman@ieee.org   
      
   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.   
      
   --   
   Bill Sloman, Sydney   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)