Usoro etching bọọdụ PCB, nke na-eji usoro etching kemịkalụ ọdịnala mebie ebe echedoro.Ụdị dị ka igwu ala trenchi, usoro dị irè ma adịghị arụ ọrụ.

Na usoro etching, a na-ekewakwa ya na usoro ihe nkiri dị mma na usoro ihe nkiri na-adịghị mma.Usoro ihe nkiri dị mma na-eji tin edozi edozi iji chebe sekit, na usoro ihe nkiri na-adịghị mma na-eji ihe nkiri akọrọ ma ọ bụ ihe nkiri mmiri na-echebe sekit.N'akụkụ ahịrị ma ọ bụ pads na-emezighị nke ọma na omenalaetchingụzọ.Mgbe ọ bụla a na-abawanye ahịrị site na 0.0254mm, ọnụ ya ga-agbada ruo n'ókè ụfọdụ.Iji hụ na ohere zuru oke, a na-atụ oghere waya mgbe niile n'ebe kacha nso nke waya ọ bụla etinyegoro.

Ọ na-ewe oge karịa iji kụọ ounce ọla kọpa iji mepụta oghere buru ibu na oghere nke waya ahụ.A na-akpọ nke a ihe etch, ma na-enweghị onye nrụpụta na-enye ndepụta doro anya nke obere oghere kwa ounce ọla kọpa, mụta ihe etch nke onye nrụpụta.Ọ dị ezigbo mkpa ịgbakọ ikike kacha nta kwa ounce ọla kọpa.Ihe etch na-emetụtakwa oghere mgbanaka nke onye nrụpụta.Oghere oghere ọdịnala bụ 0.0762mm imaging + 0.0762mm mkpọpu + 0.0762, maka ngụkọta nke 0.2286.Etch, ma ọ bụ etch factor, bụ otu n'ime isi okwu anọ na-akọwa ọkwa usoro.

Iji gbochie oyi akwa nchebe ka ọ daa ma zute usoro ohere nke etching kemịkalụ, etching omenala na-egosi na oghere kacha nta n'etiti wires ekwesịghị ịbụ ihe na-erughị 0.127mm.N'iburu n'uche ihe omume nke corrosion dị n'ime na nke a na-egbutu n'oge usoro etching, obosara nke waya kwesịrị ịba ụba.A na-ekpebi uru a site na ọkpụrụkpụ nke otu oyi akwa.Ka akwa ọla kọpa na-aba ụba, ogologo oge ọ na-ewe iji kụọ ọla kọpa n'etiti wires na n'okpuru mkpuchi nchebe.N'elu, enwere data abụọ a ga-atụle maka etching kemịkalụ: ihe etch - ọnụ ọgụgụ nke ọla kọpa etched kwa ounce;na oghere kacha nta ma ọ bụ obosara pitch kwa ounce ọla kọpa.