Na imewe nke PCB osisi, mgbochi-ESD imewe nke PCB nwere ike nweta site layering, kwesịrị ekwesị okirikiri nhọrọ ukwuu na wiring na echichi. N'oge usoro nhazi, ihe ka ukwuu n'ime mgbanwe nhazi nwere ike ịbụ nanị na ịgbakwunye ma ọ bụ wepụ ihe mejupụtara site na amụma. Site n'ịgbanwe nhazi PCB na wiring, ESD nwere ike igbochi nke ọma.

Eletrik PCB static sitere na ahụ mmadụ, gburugburu ebe obibi na ọbụna n'ime akụrụngwa PCB eletriki eletrik ga-emebi emebi dị iche iche na mgbawa semiconductor ziri ezi, dị ka ịbanye n'ime akwa mkpuchi mkpuchi dị mkpa n'ime akụrụngwa; Mmebi nke ọnụ ụzọ ámá MOSFET na CMOS; CMOS PCB oyiri mkpata mkpọchi; PN junction na mkpirisi mkpirisi ntụgharị ihu; bọọdụ nnomi nke PCB dị mkpirikpi iji mebie njikọ PN; PCB mpempe akwụkwọ agbazekwa ihe solder waya ma ọ bụ aluminum waya na PCB mpempe akwụkwọ akụkụ nke nọ n'ọrụ ngwaọrụ. Iji kpochapụ nnyonye anya electrostatic (ESD) na mmebi nke ngwa eletrọnịkị, ọ dị mkpa iji usoro teknụzụ dị iche iche iji gbochie.

Na imewe nke PCB osisi, mgbochi-ESD imewe nke PCB nwere ike nweta site layering na kwesịrị ekwesị okirikiri nhọrọ ukwuu nke PCB osisi wiring na echichi. N'oge usoro nhazi, ihe ka ukwuu n'ime mgbanwe nhazi nwere ike ịbụ nanị na ịgbakwunye ma ọ bụ wepụ ihe mejupụtara site na amụma. Site n'ịgbanwe nhazi na nhazi nke PCB, enwere ike igbochi PCB na-edegharị osisi site na PCB na-edegharị osisi ESD. Nke a bụ ụfọdụ ịkpachara anya.

Jiri ọtụtụ n'ígwé nke PCB dị ka o kwere mee, ma e jiri ya tụnyere abụọ akụkụ PCB, ala ụgbọ elu na ike ụgbọ elu, nakwa dị ka chiri anya ndokwa akara akara spacing nwere ike ibelata nkịtị mode impedance na inductive njikọ, nke mere na ọ nwere ike iru 1. / 10 ruo 1/100 nke PCB nwere akụkụ abụọ. Gbalịa idowe oyi akwa mgbaàmà ọ bụla n'akụkụ oyi akwa ike ma ọ bụ oyi akwa ala. Maka PCBS dị elu nke nwere akụrụngwa na elu ma elu ala, nwere ahịrị njikọ dị mkpụmkpụ yana ọtụtụ ebe ndochi, ị nwere ike ịtụle iji ahịrị dị n'ime. Maka PCBS nwere akụkụ abụọ, a na-eji ọkụ ọkụ jikọtara ọnụ na grid ala. Igwe ọkụ ọkụ dị nso n'ala, n'etiti ahịrị kwụ ọtọ na nke kwụ ọtọ ma ọ bụ mpaghara jupụtara, iji jikọọ dịka o kwere mee. Otu akụkụ nke grid PCB mpempe akwụkwọ erughị ma ọ bụ hà 60mm, ọ bụrụ na ọ ga-ekwe omume, grid size kwesịrị ịbụ ihe na-erughị 13mm

Jide n'aka na mpempe PCB sekit ọ bụla bụ kọmpat dịka o kwere mee.

Wepu njikọ niile n'akụkụ ka o kwere mee.

Ọ bụrụ na ọ ga-ekwe omume, webata eriri eriri PCB ike site na etiti kaadị wee pụọ na mpaghara ndị nwere ike iduzi mmetụta ESD.

N'elu PCB niile dị n'okpuru njikọ ndị na-esi na chassis pụta (nke na-adịkarị mfe iduzi ESD mmebi na PCB kọmpụta), tinye chassis sara mbara ma ọ bụ polygon jupụtara n'ala ma jikọta ya na oghere n'oge ihe dịka 13mm.

Debe oghere PCB mpempe akwụkwọ na nsọtụ kaadị ahụ, ma jikọọ paịlị elu na ala nke PCB mpempe akwụkwọ na-enweghị mgbochi gburugburu oghere na-arịgo na ala chassis.

Mgbe ị na-agbakọta PCB, etinyela ihe ọ bụla na-ere ere n'elu mpempe akwụkwọ PCB ma ọ bụ nke ala. Jiri skru nwere ihe nkwọcha mpempe akwụkwọ PCB arụnyere n'ime ya iji nweta kọntaktị siri ike n'etiti mpempe akwụkwọ/ọta PCB n'ime igwe ọla ma ọ bụ nkwado dị n'elu ala.

Ekwesịrị ịtọ otu "ebe dịpụrụ adịpụ" n'etiti ala chassis na ala sekit nke oyi akwa ọ bụla; Ọ bụrụ na ọ ga-ekwe omume, debe oghere na 0.64mm.

N'elu na ala nke kaadị dị nso na PCB na-edobe bọọdụ na-arị elu, jikọọ chassis na ala sekit yana waya obosara 1.27mm tinyere chassis ala waya ọ bụla 100mm. N'akụkụ ebe njikọ ndị a, a na-etinye paịlị na-ere ihe ma ọ bụ oghere maka nrụnye n'etiti ala chassis na mpempe PCB sekit. Enwere ike iji agụba meghee njikọ ala ndị a ka ọ na-emeghe, ma ọ bụ wụli elu nwere bead magnetik/mgbatị dị elu.

Ọ bụrụ na sekit osisi agaghị enịm ke metal case ma ọ bụ PCB mpempe akwụkwọ shielding ngwaọrụ, adịghị etinye solder iguzogide n'elu na ala ikpe grounding wires nke sekit osisi, nke mere na ha nwere ike na-eji dị ka ESD arc ikwasa electrodes.

Ka ịtọọ mgbanaka gburugburu sekit n'ahịrị PCB na-esonụ:

(1) Na mgbakwunye na nsọtụ nke PCB iṅomi ngwaọrụ na chassis, tinye a mgbanaka ụzọ gburugburu dum elu mpụta.
(2) Gbaa mbọ hụ na ọkwa niile karịrị 2.5mm n'obosara.
(3) Jikọọ mgbanaka na oghere ọ bụla 13mm.
(4) Jikọọ mgbanaka mgbanaka na ebe a na-ahụkarị nke sekit nṅomi PCB multi-layer.
(5) Maka mpempe akwụkwọ PCB nwere akụkụ abụọ etinyere na mkpuchi ọla ma ọ bụ ngwaọrụ mkpuchi, a ga-ejikọta mgbanaka mgbanaka na mpaghara nkịtị sekit. Ekwesịrị ijikọ sekit nke nwere akụkụ abụọ na-enweghị mkpuchi na mgbanaka mgbanaka, mgbanaka mgbanaka enweghị ike kpuchie ya na nguzogide solder, nke mere na mgbanaka ahụ nwere ike rụọ ọrụ dị ka mkpanaka mwepụ ESD, ma ọ dịkarịa ala, a na-etinye oghere 0.5mm n'obosara n'otu ebe. ọnọdụ na mgbanaka ala (niile n'ígwé), nke nwere ike zere PCB oyiri osisi na-etolite a nnukwu akaghị. Ebe dị n'etiti eriri mgbaama na ala mgbanaka ekwesịghị ịbụ ihe na-erughị 0.5mm.