Bonded Nd-Fe-B magnet bụ ụdị ndọta emere site na “ịpịpị” ma ọ bụ “ịkpụzi injection” site na ịgwakọta ntụ ntụ magnetik NdFeB ngwa ngwa.Nha nha nke magnet ejikọta ọnụ dị oke elu, yana enwere ike ịme ya ka ọ bụrụ ngwaọrụ magnetik nwere ọdịdị dị mgbagwoju anya.Ọ nwere njiri mara nke ịkpụzi otu oge na nghazi ọtụtụ ogwe, enwere ike itinye ya na akụkụ ndị ọzọ na-akwado ya n'oge ịkpụzi.