Enwere ọtụtụ usoro nhazi maka foil ọla kọpa. N’ozuzu dị ka ihe na -eme ka efere sie ike dị iche, enwere ike kewaa ya: ntọala akwụkwọ, iko eriri akwa iko,

Isi ihe mejupụtara (usoro CEM), PCB multilayer isi na ntọala ihe pụrụ iche (seramiiki, isi igwe, wdg). Ọ bụrụ na bọọdụ na -eji ya.

A na -ekekọta ihe nrapado resin dị iche iche, CCI akwụkwọ nkịtị. Enwere: resin phenolic (XPc, XxxPC, FR-1, FR.

A 2, wdg), resin epoxy (FE 3), resin polyester na ụdị ndị ọzọ. Ntọala eriri fiber iko nkịtị CCL nwere resin epoxy (FR-4, FR-5), ọ bụ ugbu a bụ ụdị eriri eriri iko kacha eji eme ihe. Na mgbakwunye, enwere resins ndị ọzọ pụrụ iche (ya na akwa eriri iko, eriri polyamide, akwa na-abụghị akwa dị ka ihe ndị ọzọ): bismaleimide gbanwetụrụ triazine resin (BT), resin polyimide (PI), diphenyl ether resin (PPO), maleic anhydride imide – resin styrene (MS), polycyanate ester resin, resin polyolefin, wdg.

Dabere na arụmọrụ ọkụ ọkụ nke CCL, enwere ike kewaa ya n’ụdị ire ọkụ (UL94 VO, UL94 V1) na ụdị ihe na-anaghị ere ọkụ (klas UL94 HB) ụdị efere abụọ. N’ime afọ abụọ ma ọ bụ abụọ gara aga, na -elebakwuru anya maka nchekwa gburugburu ebe obibi, etinyere ụdị CCL ọhụrụ na -enweghị bromine na CCL retardant CCL, nke enwere ike ịkpọ “CCL ire ọkụ na -acha ọkụ ọkụ”. Site na mmepe ngwa ngwa nke teknụzụ ngwaahịa elektrọnik, cCL nwere mkpa arụmọrụ dị elu. Yabụ, site na nhazi CCL arụmọrụ, enwere ike kewaa ya na arụmọrụ CCL n’ozuzu, CCL dị ala dielectric, CCL na -eguzogide oke ọkụ (efere L dị elu karịa 150 ℃), CCL ọnụ ala na -agbasawanye ọkụ (nke a na -ejikarị maka mkpụrụ nkwakọ ngwaahịa) na ndị ọzọ. ụdị.

Site na mmepe na ọganihu na -aga n’ihu nke teknụzụ elektrọnik, a na -ebute ihe ọhụrụ achọrọ maka ihe PCB mgbe niile, si otú a na -akwalite mmepe na -aga n’ihu nke ụkpụrụ bọọdụ klọọkụ. Ka ọ dị ugbu a, ụkpụrụ ndị bụ isi maka ihe mgbakwunye bụ ndị a.

② Ụkpụrụ ndị bụ isi nke ụkpụrụ mba ndị ọzọ bụ: Japanese JIS ọkọlọtọ, ASTM, NEMA, MIL, IPc, ANSI, UL ọkọlọtọ, British Bs ọkọlọtọ, German DIN, VDE ọkọlọtọ, French NFC, UTE ọkọlọtọ, Canadian CSA ọkọlọtọ, Australian AS ọkọlọtọ, mbụ Soviet Union FOCT ọkọlọtọ, Ka ọ dị ugbu a, ụkpụrụ mba nke ihe mkpụrụ na China bụ GB/T4721-47221992 na GB4723-4725-1992. Ụkpụrụ efere efere efere ọla kọpa na mpaghara Taiwan nke China bụ ọkọlọtọ CNS, nke dabere na ọkọlọtọ JI Japanese wee wepụta ya na 1983.