Ifosholo y'umuringaifite igipimo gito cya ogisijeni ku buso kandi ishobora gushyirwaho ibintu bitandukanye, nk'icyuma, ibikoresho bikingira. Kandi foil y'umuringa ikoreshwa cyane cyane mu kurinda amashanyarazi no kurwanya static. Kugira ngo ishyire foil y'umuringa iyobora ku buso bw'ubutaka kandi ihuzwe n'icyuma, izatanga uburyo bwiza bwo gukomeza no kurinda amashanyarazi. Ishobora kugabanywamo: foil y'umuringa yifata ubwayo, foil y'umuringa yo ku ruhande rumwe, foil y'umuringa yo ku ruhande rubiri n'ibindi nk'ibyo.

Muri iki gice, niba ushaka kumenya byinshi ku bijyanye n'icyuma gikozwe mu ikorwa rya PCB, reba kandi usome ibikubiye muri iki gice kugira ngo ubone ubumenyi bw'umwuga.

Ni ibihe bintu biranga icyuma gikozwe mu muringa mu nganda za PCB?

Igipapuro cy'umuringa cya PCBni ubunini bw'umuringa bwa mbere bukoreshwa ku mpande zo hanze n'izo imbere z'ikibaho cya PCB gifite urwego rwinshi. Uburemere bw'umuringa busobanurwa nk'uburemere (mu magaloni) bw'umuringa buri kuri metero kare imwe. Iki gipimo kigaragaza ubunini rusange bw'umuringa ku mpande. MADPCB ikoresha uburemere bukurikira bw'umuringa mu gukora PCB (pre-plate). Uburemere bupimwe muri oz/ft2. Uburemere bukwiye bw'umuringa bushobora gutoranywa kugira ngo bujyane n'ibisabwa mu gishushanyo.

· Mu nganda za PCB, udupapuro tw'umuringa tuba turi mu migozi, dufite ikoranabuhanga rifite ubuziranenge bwa 99.7%, n'ubugari bwa 1/3oz/ft2 (12μm cyangwa 0.47mil) – 2oz/ft2 (70μm cyangwa 2.8mil).

· Ifu y'umuringa ifite igipimo gito cya ogisijeni yo hejuru kandi ishobora gushyirwaho n'abakora laminate ku bikoresho bitandukanye by'ibanze, nk'inkingi y'icyuma, polyimide, FR-4, PTFE na ceramic, kugira ngo ikore laminate ipfutse umuringa.

· Ishobora kandi gushyirwa mu kibaho cy’ibice byinshi nk’urupapuro rw’umuringa ubwarwo mbere yo gukanda.

· Mu nganda zisanzwe za PCB, ubugari bwa nyuma bw'umuringa ku bice by'imbere bisigaye bya foil y'umuringa ya mbere; Ku bice by'inyuma dushyiramo umuringa w'inyongera wa 18-30μm ku nzira mu gihe cyo gushyiramo panel.

· Umuringa wo mu byiciro byo hanze by'imbaho ​​zifite urwego rwinshi uba mu ishusho ya foyide y'umuringa kandi ugashyirwa hamwe n'udupira twa prepregs cyangwa cores. Kugira ngo ikoreshwe na microvias muri HDI PCB, foyide y'umuringa iba iri kuri RCC (umuringa wasizwe resin).

Kuki hakenewe foil y'umuringa mu nganda za PCB?

Ifuru y'umuringa yo mu rwego rwa elegitoroniki (ubuziranenge burenze 99.7%, ubunini bwa 5um-105um) ni kimwe mu bikoresho by'ibanze by'inganda z'ikoranabuhanga. Iterambere ryihuse ry'inganda z'amakuru ajyanye n'ikoranabuhanga, ikoreshwa rya furu y'umuringa yo mu rwego rwa elegitoroniki ririmo kwiyongera, ibicuruzwa bikoreshwa cyane mu byuma bipima amashanyarazi, ibikoresho by'itumanaho, ibikoresho bya QA, bateri za lithium-ion, televiziyo za gisivili, ibyuma bifata amashusho, ibyuma bicurangwa CD, ibyuma bikopera, telefoni, icyuma gikonjesha, ibikoresho by'ikoranabuhanga by'imodoka, ibyuma bikonjesha imikino.

Ifoto y'umuringa yo mu ngandabishobora kugabanywamo ibyiciro bibiri: ifu y'umuringa izungurutse (ifu y'umuringa ya RA) n'ifu y'umuringa ifite point copper (ifu y'umuringa ya ED), aho ifu y'umuringa izunguruka ifite ubushobozi bwo kugenda neza n'ibindi biranga, ni uburyo bwa mbere bwo gukoresha ifu y'umuringa, mu gihe ifu y'umuringa ya electrolytic ari igiciro gito cyo gukora ifu y'umuringa. Kubera ko ifu y'umuringa izunguruka ari ibikoresho by'ingenzi by'ifu y'umuringa, bityo imiterere yo gukoresha ifu y'umuringa hamwe n'impinduka mu biciro ku nganda z'ifu y'umuringa igira ingaruka runaka.

Ni ayahe mategeko y'ibanze agenga igishushanyo mbonera cya foil y'umuringa muri PCB?

Ese uzi ko ibyuma bya elegitoroniki byacapwe bikunze gukoreshwa cyane mu itsinda ry’ibikoresho by’ikoranabuhanga? Ndizera neza ko hari kimwe muri ibyo bikoresho by’ikoranabuhanga ukoresha ubu. Ariko, gukoresha ibyo bikoresho by’ikoranabuhanga udafite ubumenyi ku ikoranabuhanga ryabyo n’uburyo bwo kubishushanya nabyo ni ibintu bisanzwe. Abantu bakoresha ibikoresho by’ikoranabuhanga buri saha ariko ntibazi uko bikora. Dore rero ibice by’ingenzi bya PCB bivugwa ko bifite ubumenyi bwihuse ku buryo ibyuma bya elegitoroniki byacapwe bikora.

· Urubaho rwacapwe ni imbaho ​​zoroshye za pulasitiki zongewemo ikirahure. Urupapuro rw'umuringa rukoreshwa mu gukurikirana inzira kandi rwemerera urujya n'uruza rw'amashanyarazi n'ibimenyetso biri mu gikoresho. Imiterere y'umuringa ni bwo buryo bwo gutanga ingufu ku bice bitandukanye by'igikoresho cy'amashanyarazi. Aho gukoresha insinga, imiterere y'umuringa ni yo iyobora urujya n'uruza rw'amashanyarazi muri PCB.

· PCB zishobora kuba urwego rumwe n'urwego rubiri. PCB imwe ifite urwego niyo yoroshye. Ifite icyuma gifunga umuringa ku ruhande rumwe naho urundi ruhande ni umwanya w'ibindi bice. Mu gihe kuri PCB ifite urwego rubiri, impande zombi zigenewe icyuma gifunga umuringa. PCB ifite urwego rubiri ni igikoresho kigoye gifite ibimenyetso bigoye byo gutembera kw'amashanyarazi. Nta mashini zifunga umuringa zishobora kwambukiranya. Izi PCB zirakenewe ku bikoresho biremereye by'ikoranabuhanga.

· Hariho kandi urwego rubiri rw'udupira n'urukiramende rw'umuringa kuri PCB y'umuringa. Agapfukamunwa gakoreshwa mu gutandukanya ibara rya PCB. Hari amabara menshi ya PCB aboneka nk'icyatsi kibisi, umuhengeri, umutuku, n'ibindi. Agapfukamunwa gasobanura umuringa uva mu bindi byuma kugira ngo dusobanukirwe uburyo bwo guhuza. Nubwo agapfukamunwa ari igice cy'inyandiko ya PCB, inyuguti n'imibare bitandukanye byanditswe kuri silkscreen ku mukoresha n'umuhanga.

Ni gute wahitamo ibikoresho bikwiye byo gukoresha muri foil y'umuringa muri PCB?

Nkuko byavuzwe mbere, ugomba kureba uburyo bwo gusobanukirwa imiterere y'imikorere y'urubaho rwacapwe. Ibikoresho by'ibi bibaho birimo ibice bitandukanye. Reka tubisobanukirwe n'uruhererekane:

Ibikoresho byo hasi:

Urufatiro rw'ibanze hejuru y'ikibaho cya pulasitiki gikoreshwa n'ibirahuri ni substrate. Substrate ni imiterere ya dielectric y'urupapuro ubusanzwe rugizwe na epoxy resins n'impapuro z'ibirahuri. Substrate yakozwe ku buryo ishobora kuzuza ibisabwa urugero nk'ubushyuhe bw'impinduka (TG).

Ubushyuhe:

Nkuko bigaragara mu izina, gusya ni uburyo bwo kubona imiterere ikenewe nko kwagura ubushyuhe, imbaraga zo gusya, n'ubushyuhe bw'impinduka (TG). Gusya bikorerwa munsi y'umuvuduko mwinshi. Gusya hamwe no gusya hamwe bigira uruhare runini mu rujya n'uruza rw'amashanyarazi muri PCB.