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Method and apparatus providing an optical input/output bus through the back side of an integrated circuit die

  • US 6,052,498 A
  • Filed: 12/19/1997
  • Issued: 04/18/2000
  • Est. Priority Date: 12/19/1997
  • Status: Expired due to Term
First Claim
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1. An optical bus, comprising:

  • an optical unit that generates a plurality of light beams, each one of the plurality of light beams corresponding to one bit line of the optical bus; and

    an optical assembly that directs each one of the plurality of light beams through a back side of an integrated circuit die onto a corresponding one of a plurality of optical output devices disposed within a semiconductor substrate of the integrated circuit die, the optical assembly to direct each one of a plurality of deflected light beams deflected from the plurality of optical output devices onto a corresponding one of a plurality of optical input devices disposed within the semiconductor substrate of the integrated circuit die, the integrated circuit die having a front side and the back side, the back side including the semiconductor substrate of the integrated circuit die.

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