Izvo Zvishandiso Zvikuru zvePCB Manufacturing
Mazuva ano, kune vakawanda vanogadzira PCB, mutengo hauna kukwirira kana kuderera, mhando uye mamwe matambudziko atisingazive nezvayo, maitiro ekusarudza.PCB kugadzirazvinhu?Zvishandiso zvekugadzira, kazhinji mhangura yakavharwa ndiro, firimu rakaoma, inki, nezvimwewo, zvinotevera zvakati wandei zvesumo pfupi.
1. Mhangura yakapfeka
Inonzi double-sided copper clad plate.Kana iyo foil yemhangura inogona kuvharwa zvakasimba pane substrate inotarirwa nebhainda, uye kusunungura simba rendarira yakavhara ndiro inonyanya kuenderana nekushanda kwebhainda.Inowanzo shandiswa copper clad plate ukobvu hwe1.0 mm, 1.5 mm uye 2.0 mm matatu.
(1) marudzi emhangura akapfeka ndiro.
Kune dzakawanda nzira dzekuisa mahwendefa emhangura.Kazhinji zvinoenderana neplate yekusimbisa zvinhu zvakasiyana, inogona kukamurwa kuita: bepa base, girazi faibha jira base, composite base (CEM akatevedzana), akawanda-layer plate base uye yakakosha zvinhu base (ceramic, metal core base, nezvimwewo) zvishanu. mapoka.Zvinoenderana neakasiyana anonamatira resin anoshandiswa nebhodhi, iwo akajairwa bepa rakavakirwa CCL ndeaya: phenolic resin (XPC, XXXPC, FR-L, FR-2, nezvimwewo), epoxy resin (FE-3), polyester resin uye mamwe marudzi. .Yakajairika girazi fiber base CCL ine epoxy resin (FR-4, FR-5), parizvino ndiyo inonyanya kushandiswa mhando yegirazi fiber base.Zvimwe zvehunyanzvi resin (negirazi fiber jira, naironi, isina-yakarukwa, nezvimwewo kuwedzera zvinhu): maviri maleic imide modified triazine resin (BT), polyimide (PI) resin, diphenylene ideal resin (PPO), maleic acid obligation imine - styrene resin (MS), poly (oxygen acid ester resin, polyene yakaiswa mu resin, etc. Zvinoenderana nemoto inodzoreredza zvimiro zveCCL, inogona kupatsanurwa kuita mahwendefa anodzoreredza uye asina-murazvo. nekunyanya kutarisisa kuchengetedzwa kwezvakatipoteredza, rudzi rutsva rweCCL isina zvinhu zvemugwenga rakagadzirwa muCCL inodzoreredza moto, inogona kunzi "green flame retardant CCL." Nekukurumidza kuvandudzwa kwemagetsi echigadzirwa tekinoroji, CCL ine yakakwirira kuita zvinodiwa. , kubva pachikamu chekushanda kweCCL, inogona kupatsanurwa kuita CCL, yakaderera dielectric inogara CCL, yakanyanya kupisa kupisa CCL, yakaderera thermal kuwedzera coefficient CCL (inowanzo shandiswa pakurongedza substrate) uye mamwe marudzi.
(2)zviratidzo zvekuita zvendarira yakapfeka ndiro.
Girazi shanduko yekushisa.Kana tembiricha yakwira kune imwe dunhu, iyo substrate inoshanduka kubva ku "glass state" kuenda ku "rubber state", tembiricha iyi inonzi tembiricha yegirazi (TG) yendiro.Kureva, TG ndiyo yakanyanya tembiricha (%) iyo iyo substrate inoramba yakasimba.Kureva kuti, zvakajairwa substrate zvinhu pakupisa kwepamusoro, hazvingobudise kupfava, deformation, kunyunguduka uye zvimwe zviitiko, asi zvakare zvinoratidza kuderera kwakanyanya mumakanika uye magetsi maitiro.
Kazhinji, TG yemabhodhi ePCB iri pamusoro pe130 ℃, iyo TG yemabhodhi akakwirira iri pamusoro pe170 ℃, uye TG yemabhodhi epakati iri pamusoro pe150 ℃.Kazhinji TG kukosha kwe170 yakadhindwa bhodhi, inonzi yakakwira TG yakadhindwa bhodhi.Iyo TG ye substrate inovandudzwa, uye kupisa kwekudzivirira, kusimba kwehunyoro, kupikisa kemikari, kugadzikana uye humwe hunhu hwebhodhi rakadhindwa huchavandudzwa nekuvandudzwa.Iyo yakakwira iyo TG kukosha, zviri nani kupikisa tembiricha yeplate, kunyanya mukutungamira-isina maitiro,yakakwirira TG PCBinonyanya kushandiswa.
2. Dielectric nguva dzose.
Nekukurumidza kuvandudza kwehunyanzvi hwemagetsi, kumhanya kwekugadzirisa ruzivo uye kufambiswa kwemashoko kunovandudzwa.Kuti uwedzere nzira yekutaurirana, iyo frequency yekushandisa inotamirwa kune yakakwira frequency field, iyo inoda iyo substrate zvinhu kuti ive yakaderera dielectric inogara E uye yakaderera dielectric kurasikirwa TG.Chete nekudzikisa E kunogona kumhanyisa chiratidzo chekufambisa, uye chete nekudzikisa TG kunogona kutapurira kurasikirwa kwekutapurirana.
3. Thermal kuwedzera coefficient.
Nekuvandudzwa kwechaiyo uye multilayer yebhodhi rakadhindwa uye BGA, CSP nemamwe matekinoroji, mafekitori ePCB akaisa pamberi pepamusoro zvinodiwa pakugadzikana kwesaizi yemhangura yeplate.Kunyangwe iyo dimensional kugadzikana kwendiro yemhangura yakavharwa ine hukama nemaitiro ekugadzira, zvinonyanya kuenderana nezvinhu zvitatu zvemhangura yemhangura yakavharwa ndiro: resin, yekusimbisa zvinhu uye foil yemhangura.Iyo yakajairika nzira ndeyekugadzirisa resin, seyakagadziriswa epoxy resin;Deredza resin yehuwandu hwehuwandu, asi izvi zvinoderedza kuvharwa kwemagetsi uye makemikari emhando ye substrate;Copper foil haina pesvedzero shoma pakudzikama kwemhangura yakapfeka ndiro.
4.UV blocking performance.
Mukuita kwekugadzira bhodhi redunhu, nekuzivikanwa kwe photosensitive solder, kuitira kudzivirira mumvuri wakapetwa kaviri unokonzerwa nekubatana pamativi ese, ma substrates ese anofanirwa kuve nebasa rekudzivirira UV.Pane nzira dzakawanda dzekuBLOCK kutapurirana kwe ULTRAVIOLET mwenje.Kazhinji, rudzi rumwe kana maviri egirazi faibha jira uye epoxy resin inogona kugadziridzwa, sekushandisa epoxy resin ine UV-block uye otomatiki optical yekuona basa.
Huihe Circuits inyanzvi PCB fekitori, maitiro ese anoedzwa zvine hukasha.Kubva pabhodhi redunhu kuita yekutanga maitiro kusvika kune yekupedzisira maitiro ekuongororwa kwemhando, layer pane layer inoda kunyatsotariswa.Sarudzo yemapuranga, ingi inoshandiswa, midziyo inoshandiswa, uye kuomarara kwevashandi zvinogona kukanganisa kunaka kwekupedzisira kwebhodhi.Kubva pakutanga kusvika pakuongorora kwemhando, isu tine hunyanzvi hwekutarisira kuona kuti maitiro ese anopedzwa zvakajairika.Join us!
Nguva yekutumira: Jul-20-2022
