×

Sputtering target, thin film for optical information recording medium and process for producing the same

  • US 20060147740A1
  • Filed: 02/03/2004
  • Published: 07/06/2006
  • Est. Priority Date: 03/04/2003
  • Status: Active Grant
First Claim
Patent Images

1. A sputtering target having a relative density of 90% or more and containing a compound having as its principal component zinc oxide satisfying AXBYO(KaX+KbY)/2(ZnO)m, 4≦

  • m≦

    8, X≦

    m, 0<

    Y≦

    0.9, X+Y=2, where m is an integral number and A and B are respectively different positive elements of trivalence or more, and the valencies thereof are respectively Ka and Kb, wherein a range of variation of positive elements other than zinc in the target is within 0.5% and a range of variation of density in the target is within 3%.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×