| http://www.w3.org/ns/prov#value | - S605823330 Jun 19982 May 2000Lucent Technologies Inc.Waveguide array with improved efficiency for wavelength routers and star couplers in integrated opticsUS60713232 Mar 19986 Jun 2000TdkcorporationGiven amount of rare earth element and transition metal element including at least one of iron, nickel and cobalt, homogeneous sintered structure; regenerating by pulverizing, mixing with specific alloy
|