The RCA Selectron -- Site Map

• Background ( A brief history of early memory devices )
• Selectron Technology ...
  • Overview( Technical Device Overview )
  • Memory ( Memory by secondary electron emission )
  • Selection ( Selection by electron beam gating )
  • Addressing ( Addressing by rows and columns )
• Selectrons ...
  • 4096-bit ( The first Selectron: 4096-bits and a cylindrical topology )
  • 1024-bit ( The intermediate Selectron: 1024-bits in a planar topology )
  • 256-bit ( The SB256: The 256-bit production Selectron )
  • 9-bit (test) ( Small scale test devices )
• Patents ...
  • 2,424,289 ( US Patent for the Computron )
  • 2,442,985 ( US Patent for photoelectric readout of a Selectron )
  • 2,494,670 ( US Patent for the Selectron of cylindrical topology )
  • 2,513,743 ( US Patent for the data gating in a Selectron )
  • 2,519,172 ( US Patent for the decode gating address selection )
  • 2,558,460 ( US Patent for Selectron addressing and scanning )
  • 2,558,461 ( US Patent for improved Selectron electron optic )
  • 2,604,606 ( US Patent for the Selectron of planar topology using floating eyelets )
  • 2,635,201 ( US Patent for the Selectron of planar (sandwich) construction )
  • 2,645,724 ( US Patent for improved photoelectric readout of a Selectron )
  • 2,645,712 ( US Patent for a reading circuit for Selectron )
• Systems ...
  • AFCRC ( The US Air Force Cambridge Research Center standalone memory system )
  • JOHNNIAC ( The JOHNNIAC computer at Rand )
• People ...
  • AFCRC ( People of the US Air Force Cambridge Research Center )
  • ERA ( People of Engineering Research Associates )
  • IAS ( People of The Institute for Advanced Study )
  • IBM ( People of International Business Machines Corporation )
  • NDRC ( People of National Defense Research Committee )
  • RCA ( People of the Radio Corporation of America )
  • RAND ( People of the RAND Corporation )
• Links ( Links to related sites )
• Video ( Video archives )
• Reprints ( Reproduction of certain documents )
• Bibliography ( Bibliography )
• Preface ...
  • Preface ( The preface...at the end )
  • Credits ( Acknowledgments and thanks )
  • Privacy ( Is it safe? )
  • Legal ( Legal )
  • Changes ( Chronology of page updates and changes )

Back to Selectron Home

©2004 - 2007 Charles Osborne
Latest revision: 28 AUG 2007