Fr4 Nhungamiro: Kana iwe uchigona kuishandisa uye kana iwe usingakwanise

Fr4 Nhungamiro: Kana iwe uchigona kuishandisa uye kana iwe usingakwanise

Magetsi mazhinji emagetsi uye vanhu vane chekuita nemabhodhi ematunhu akadhindwa anoziva nezvinhu zveFR4. F4 ndiyo zvinhu zvikuru zvinoshandiswa kuita zvakanyanyisa kuomarara matunhu ematunhu. Nekudaro, vanhu vazhinji havazive kuti chii chinonzi Fr4, regai ISEA sei kuti nei ichinyanya kufarirwa PCB.

Verenga nguva kuti udzidze zvakawanda nezve mapuranga ematunhu akadhindwa, zvakadai, nei vakakurumbira, uye kuti MuKr4 PCB matsonzi PCB kududzirwa kune dzimwe sarudzo dziri muindasitiri.


Chii chinonzi FR4 zvinhu?

Fr4 yakanyorwa zvakare seFr-4, iyo iri mbiri zita uye chiyero. Uku kuzivisa kunoshanda kune girazi fiber yakasimbiswa epoxy resin laminates inoshandiswa mukugadzirwa kwemabhodhi edunhu akadhindwa. Nekudaro, iyo dhizaini inoshandiswawo segiredhi reCommy ePoxy Laminates. Iko kudhindwa kwakanyanya kunoratidza kukosha kweiyo laminate, zvinoreva kuti mabhodhi akasiyana-siyana uye magadzirirwo anowira pasi peFR4 Rating. Iyo "fr" muzita inomirira murazvo unodzora, nepo "4" zvinoreva kuti zvinyorwa zvakasiyana nevamwe mukirasi imwechete.

Izvo zvinyorwa zvinozivikanwa zvakajeka seFr4 iumbi fomu. Iyo yakanyanya kukosha yezvinhu ndeye fiberglass yakavezwa mupepa rakatetepa-seti. Fiberglass inopa kugadzikana kwakakodzera kugadzikana kune fr4. Iyi yemukati yemukati yeFiberglass layer yakazotenderedzwa uye yakasungwa nemurazvo unodzoreredza epoxy. Iyi resin inopa kuomarara kune izvo zvinyorwa, pakati pezvimwe zvinhu zvemuviri.


Fr4 pepa rinonyanya kuzivikanwa pakati pemajinjini emagetsi uye magadziri sePCB substrate. Mari yekunyama yakaderera uye inosanganisira, pamwe neupfumi hwayo hwenzvimbo dzinobatsira dzenyama, hunoratidza kuzivikanwa uku. Fr4 Sheet ndeye magetsi magetsi ane high dielectric simba. Ivo zvakare vane simba rakakwirira kurema chiyero, vakaremerwa uye vanopokana nekunyorova. Wedzera izvi kune hama yavo yekupisa kuramba, uye fr4s inogona kuita zvakanaka mumamiriro ezvinhu mazhinji.


Fr4-PCB Kubatanidza

Unhu uhwu hunoita Fr4 Substrate yeMhando PCB yekugadzira maitiro. Kana ikashandiswa nemazvo, izvi zvivakwa zvinogona zvakare kuumba hwaro hwemhando yepamusoro uye yakaderera-mutengo pcbs.

MuPCB, FL4 inoumba iyo huru yekudzidzira basicbone. Uku ndiko hwaro pane izvo makambani ekugadzira anogadzira matunhu. Kamwe kugadzirira, mapuranga emaper4 anovharirwa neaya kana anopfuura zvikamu zvezvipenga zvehasha uchishandisa kupisa uye kuomerera. Iyi mhangura inoumba dunhu iri mune yakapedza chigadzirwa uye inogona kufukidza imwe kana maviri mativi, zvichienderana nekugadzirwa kwebhodhi.


Complicx PCBS inogona kushandisa kanopfuura kudivi rimwe, uye bhodhi rinogona kutogarwa kuti riwedzere mamwe matunhu akaoma. Kubva pano, dunhu rinokweverwa uye rakabviswa kure, rakaputirwa nemutengesi mask, kugadzirira bhodhi reiyo yekupedzisira silkscreen layer uye inotevera kutengesa maitiro.


Mashandisiro Aunga Sarudza Fr4 Bickness

Kana kuraira laminates yePCB chirongwa, iyo Gadziriro kana magetsi mainjiniya anofanirwa kutsanangura iyo Fr4 PCB gobvu. Izvi zvinoyerwa mumasendimita, zvakadai sezviuru zve inch, kana kuti iwe kana iwe kana mamirimita, zvichienderana nemamiriro api anoshanda zvakanyanya. Zvimedu zveFr4 zvinouya mune dzakasiyana siyana dziva, zvichienderana nezvinodiwa zvepurojekiti, asi zvinowanzoitika kubva pamakumi gumi kusvika pamasendimita matatu.