Ebe Ngwa: A na-ejikarị ya eme ihe n'ọkụ ụlọ ọrụ, ngwa ụlọ, ọkụ ụlọ ọrụ, igwe, igwe, ụgbọelu, ụgbọ ala, ndị agha na ụlọ ọrụ ndị ọzọ na-emepụta ihe ndị na-ekpo ọkụ na ihe ndị na-eguzogide.

Ihe mgbochi ndị e tinyere n'ime bọọdụ waya e biri ebi ga-abụ ihe na-eme ka ngwugwu dị obere ma nwee ntụkwasị obi dị elu ma melite arụmọrụ eletriki. Ijikọta ọrụ ihe mgbochi na ihe mgbochi na-eme ka mpaghara elu PWB nke ihe ndị dị iche iche na-eri na-eme ka ọrụ ngwaọrụ dịkwuo elu site na itinye ihe ndị ka na-arụ ọrụ. Ihe mgbochi nickel-chromium nwere nnukwu ike iguzogide eletriki, nke na-eme ka ha baa uru maka ojiji n'ọtụtụ ngwa. A na-ejikọta nickel na chromium na silicon na aluminom iji melite nkwụsi ike okpomọkụ ma belata oke ike nke iguzogide okpomọkụ. A na-etinye oyi akwa mgbochi siri ike nke fim dabere na alloys nickel-chromium mgbe niile na mpịakọta nke foil ọla kọpa iji mepụta ihe maka ngwa mgbochi agbakwunyere. Enwere ike ịcha akwa mgbochi siri ike nke dị gịrịgịrị nke dị n'etiti ọla kọpa na laminate iji mepụta ihe mgbochi pụrụ iche. Chemicals maka ịkpụcha bụ ihe a na-ahụkarị na usoro mmepụta PWB. Site na ijikwa ọkpụrụkpụ nke alloys, a na-enweta uru mgbochi mpempe akwụkwọ site na 25 ruo 250 ohm/sq. Akwụkwọ a ga-atụnyere ihe nickel-chromium abụọ na usoro ịkpụcha ha, otu nha, njikwa ike, arụmọrụ okpomọkụ, njikọta na mkpebi ịkpụcha.