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Izu a, Yunboshi nyere ụfọdụ ụlọ ọrụ nchara maka SMT (Semiconductor na teknụzụ dị elu). Dị ka ihe na-eduga na nkwakọ ngwaahịa Chip na-anwale, ngwaahịa ha na-asọ mpi ma mara mma na ụlọ ọrụ semiconductor. Agbanyeghị, n'ihi nsogbu ụfọdụ na nsogbu ndị dị na wafer nchekwa, ndị a na-emepụta site na ha nwere nnukwu ọrụ chọrọ maka gburugburu nchekwa. Ohere dị obere nwere ike ibute wafers wafers, a na-eji akwa dị mfe oxidized na-emetọ ya. Ya mere, ha kwesiri idobe ha na gburugburu free oxygen na uzuzu. Kabinet nchara nchara maka ụlọ ọrụ SME. Yunboshi na-enye okpomọkụ na njikwa iru mmiri na ngwọta nke oxiding maka nitrogen. Ubi nitrogen na-echebe wafers na mmetọ site na iji ebe nchekwa ikuku oxygen na ntụkwasị obi na-akwụsi ike n'oge nchekwa.