A na-egosipụtakarị nguzogide nsuso nke laminate mkpuchi ọla kọpa site na ntụle nsochi ntụle (CTI).N'ime ọtụtụ ihe onwunwe nke ọla kọpa clad laminates (ọla kọpa clad laminates maka mkpụmkpụ), nguzogide nsochi, dị ka ihe nchekwa dị mkpa na ntinye ntụkwasị obi, ejirila ya kpọrọ ihe. PCB sekit osisi ndị na-emepụta ihe na ndị na-emepụta bọọdụ sekit.

A na-anwale uru CTI dị ka usoro ọkọlọtọ IEC-112 si dị "Ụzọ Nnwale maka Nleba Nlebaanya Ndepụta nke Substrates, Bọọdụ Ebipụtara na Mgbakọ Ndị Ebipụtara", nke pụtara na elu nke mkpụrụ ahụ nwere ike iguzogide 50 tụlee nke 0.1% ammonium chloride The Uru voltaji kachasị elu (V) nke ngwọta mmiri na-adịghị etolite nhụta nke ntapu ọkụ eletrik.Dị ka ọkwa CTI nke ihe mkpuchi ihe, UL na IEC kewara ha n'ime akara ule 6 na 4 n'otu n'otu.

Lee Tebụl 1. CTI≥600 bụ ọkwa kacha elu.Ihe mkpuchi ọla kọpa nwere ụkpụrụ CTI dị ala na-adịkarị mfe nleba anya mgbe ejiri ya ogologo oge na gburugburu ebe siri ike dị ka nrụgide dị elu, oke okpomọkụ, iru mmiri, na mmetọ.

N'ozuzu, na CTI nke nkịtị akwụkwọ dabeere ọla kọpa clad laminates (XPC, FR-1, wdg) bụ ≤150, na CTI nke nkịtị mejupụtara dabeere ọla kọpa clad laminates (CEM-1, CEM-3) na nkịtị iko eriri. akwa ọla kọpa clad laminates (FR-4) Ọ sitere na 175 ruo 225, nke enweghị ike izute ihe nchekwa dị elu nke ngwaahịa elektrọnik na eletriki.

Na ọkọlọtọ IEC-950, mmekọrịta dị n'etiti CTI nke ọla kọpa clad laminate na voltaji na-arụ ọrụ nke bọọdụ sekit e biri ebi na opekempe waya (Opekempe Creepage Distance) ka akwadokwara.Igwe mkpuchi ọla kọpa CTI dị elu abụghị naanị maka mmetọ dị elu, ọ dịkwa mma maka imepụta bọọdụ sekit a na-ebipụta njupụta dị elu maka ngwa voltaji.Tụnyere ndị nkịtị ọla kọpa clad laminates na elu ntapu nsuso eguzogide, akara spacing nke e biri ebi sekit mbadamba mere na nke mbụ nwere ike kwere ka nta.

Nchikota: Usoro nke iji nwayọọ nwayọọ na-emepụta ụzọ na-eduzi n'elu ihe mkpuchi siri ike n'okpuru njikọ nke ọkụ eletrik na electrolyte.

Index ntụle ntụnyere (CTI): Uru voltaji kachasị elu nke elu ihe nwere ike iguzogide 50 drops nke electrolyte (0.1% ammonium chloride aqueous solution) na-enweghị etolite nhụta nke ntapu, na V.

Ngosipụta Nleba anya (PTI): Uru voltaji na-eguzogide nke elu nke ihe nwere ike iguzogide 50 tụlee nke electrolyte na-enweghị akpụ ahụrụ nke ntapu, nke e gosipụtara na V.

Ntụle ule CTI nke laminate ọla kọpa

Ịbawanye CTI nke ihe mpempe akwụkwọ na-amalite site na resin, ma na-ebelata mkpụrụ ndụ ihe nketa ndị dị mfe iji carbonize ma dị mfe ka ọ bụrụ ihe na-ekpo ọkụ na resin molecular Ọdịdị.