computer-repair-london

16 Apa ENIG Press Fit Hole PCB

16 Apa ENIG Press Fit Hole PCB

Whakaahuatanga Poto:

Ingoa Hua: 16 Layer ENIG Press Fit Hole PCB
Paparanga: 16
Whakaoti mata: ENIG
Rauemi turanga: FR4
Matotoru: 3.0mm
Min.diameter poka:0.35mm
rahi:420×560mm
Apa Waho W/S: 4/3mil
Paparanga o roto W/S: 5/4mil
Ahuatanga: 9:1
Te tukanga motuhake: ma-i-papa Impedance Control Press Fit Hole


Taipitopito Hua

Mo Via-In-Pad PCB

Ko nga Via-In-Pad PCBs he kohao matapo, e whakamahia ana hei hono i te paparanga o roto, i te paparanga tuarua ranei o waho o HDI PCB me te paparanga o waho, kia pai ake ai te mahi hiko me te pono o nga hua hiko, whakapoto i te tohu. waea tuku, whakaitihia te reactance inductive me te reactance capacitive o te raina tuku, me te pokanoa hiko o roto me waho.

Ka whakamahia mo te whakahaere.Ko te raruraru nui o nga kohao mono i roto i te ahumahi PCB ko te rerenga hinu mai i nga poka mono, ka taea te kii he mate mau tonu i roto i te ahumahi.Ka tino pa ki te kounga whakaputa, te wa tuku me te pai o te PCB.I tenei wa, ko te nuinga o nga PCB teitei teitei he momo hoahoa tenei.Na reira, me kaha te ahumahi PCB ki te whakaoti i te raru o te rerenga hinu mai i nga kohao mono

Ko nga mea matua o te tuku hinu mai i roto i te kohao mono papa

Mokowā i waenganui i te kohao mono me te papa: i roto i te PCB tūturu tukanga hanga anti-fehokotaki'anga, haunga te poka pereti he ngāwari ki te mawhiti.Ko etahi atu poka mono me te mokowhiti matapihi he iti iho i te 0.1mm 4mil) me te kohao mono me te whakakoi i te matapihi whakahiato, he ngawari hoki te pereti whakawhiti i muri i te rongoa i te rerenga hinu;

PCB matotoru me te aperture: te matotoru pereti me te aperture he pai te hono ki te tohu me te wahanga o te tuku hinu;

Hoahoa kiriata whakarara: ka whiti te Via-In-Pad PCB, te poka iti mokowhiti ranei i te papa, ka hangaia e te kiriata whakarara te tohu whakawhiti marama ki te waahi matapihi (hei whakaatu i te mangumangu i roto i te poka) "ki te karo i te mangumangu ki roto. ko te kohao e kuhu ana ki roto i te papa i te wa o te whakawhanaketanga, engari he iti rawa te hoahoa whakawhiti marama ki te whakatutuki i te paanga o te whakakitenga, a he nui rawa te waahi whakawhiti marama kia ngawari ai te whakaheke.Ka whakaputa hinu kakariki ki te PAD.

Nga tikanga whakaora: no te mea ko te hoahoa o te waahi whakawhiti o te Via-In-Pad PCB ki te kiriata me iti ake i te kohao, ko te waahanga o te mangumangu i roto i te poka he nui ake i te waahi whakawhiti i te wa e kitea ana kaore e kitea ki te marama.Ko te waituhi ehara i te whakaora whakaahua, te whanaketanga i muri i te hiahia nui ki te huri i te whakaaturanga, i te UV ranei kotahi, hei whakaora i te mangumangu i konei.Ka hangaia he paparanga kiriata whakaora i runga i te mata o te poka hei aukati i te toronga waiariki o te mangumangu ki roto i te poka i muri i te rongoa.I muri i te rongoa, ka roa te wa o te waahanga iti o te pāmahana, me te iti ake o te pāmahana o te waahanga iti o te pāmahana, ka iti ake te waahanga me te tohu o te hinu hinu;

Mono mangumangu: he rereke nga kaihanga o te tauira waituhi, he rereke te ahuatanga o te kounga.

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Kaiwhakahaere Manaakitanga

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