• Gunyana 23. 2021

1. Nei BGA iri mune solder mask gomba?Chii chinonzi reception standard?Re: Chekutanga, iyo solder mask plug gole ndeyekudzivirira hupenyu hwesevhisi yeVia, nekuti gomba rinodiwa panzvimbo yeBGA kazhinji idiki, pakati pe0.2 ne0.35mm.Imwe sirapu haisi nyore kuomeswa kana kuputika, uye zviri nyore kusiya zvisaririra.Kana iyo solder mask ikasavhara gomba kana plug...

• Gunyana 16. 2021

Iyo metalized hafu-gomba inoreva kuti mushure mekuchera gomba (drill, gong groove), ipapo yechipiri yakaboorwa nekuumbwa, uye pakupedzisira hafu yegomba resimbi (groove) inochengetwa.Kuti adzore kugadzirwa kwesimbi hafu-gomba mapuranga, redunhu bhodhi vagadziri kazhinji kutora matanho nokuda muitiro matambudziko pamharadzano metallized hafu-makomba uye non-metallized makomba.Metallized hafu-gomba...

• Gunyana 08. 2021

Kune rimwe-sided, kaviri-sided uye akawanda-layer redunhu mabhodhi.Nhamba yemapuranga e-multi-layer haina kuganhurirwa.Parizvino kune anopfuura 100-layer PCBs.Iwo akajairika akawanda-layer PCBs mana akaturikidzana uye matanhatu akaturikidzana mabhodhi.Zvino sei vanhu vaine mubvunzo "Sei PCB multilayer mabhodhi ese ese ane-nhamba akaturikidzana? Zvichienderana, kunyange-nhamba-nhamba maPCB ane anopfuura asinganzwisisike-nhamba maPCB, ...

• Gunyana 03. 2021

Sei rakadhindwa redunhu bhodhi richida impedance control?Mumutsetse wechiratidzo chemagetsi echigadzirwa chemagetsi, kupokana kunosangana kana iyo yakakwira-frequency chiratidzo kana electromagnetic wave inopararira inonzi impedance.Nei mabhodhi ePCB achifanira kuve akavharirwa panguva yekugadzira fekitori yedunhu bhodhi?Ngationgororei kubva pane zvikonzero zvina zvinotevera: 1. Iyo PCB yedunhu bhodhi ye ...

• Nyamavhuvhu 30. 2021

Warping yebhatiri redunhu bhodhi rinokonzeresa kusamira zvakanaka kwezvikamu;apo bhodhi rakakotama mu SMT, THT, chikamu chepini chinenge chisina kumira zvakanaka, izvo zvinounza matambudziko akawanda kugungano uye kuisa basa.IPC-6012, SMB-SMT Mapuranga edunhu akadhindwa ane warpage yakakura kana twist ye0.75%, uye mamwe mabhodhi kazhinji haapfuure 1.5%;iyo inobvumirwa warpage (kaviri ...

• Nyamavhuvhu 27. 2021

Chii chinonzi copper coating?Iyo inonzi kudira kwemhangura ndeye kushandisa nzvimbo isina kushandiswa paPCB senzvimbo yereferensi uye woizadza nemhangura yakasimba.Idzi nzvimbo dzemhangura dzinonziwo kuzara kwemhangura.Kukosha kwekuputira kwemhangura ndiko kuderedza kusagadzikana kwetambo yepasi uye kuvandudza kugona kwekudzivirira-kupindira;kuderedza kudonha kwemagetsi uye kuvandudza kushanda kwesimba remagetsi;kana...

• Nyamavhuvhu 25. 2021

Paunenge uchigadzira PCB pads muPCB board dhizaini, zvinodikanwa kuti ugadzire zvakanyatsoenderana nezvinodiwa uye zviyero.Nekuti muSMT chigamba kugadzirisa, dhizaini yePCB pad yakakosha.Iyo dhizaini yepadhi ichakanganisa zvakananga solderability, kugadzikana uye kupisa kupisa kwezvikamu.Izvo zvine hukama nemhando yekugadzirwa kwechigamba.Zvino chii chinonzi PC ...

• Nyamavhuvhu 19. 2021

Kuramba kwekutevera kwemhangura clad laminate kunowanzo kuratidzwa neiyo comparative tracking index (CTI).Pakati pezvinhu zvakawanda zvemhangura dzakapfeka laminates (mhangura yakapfeka laminates kwenguva pfupi), kutevera kuramba, sechinhu chinokosha chekuchengeteka uye kuvimbika indekisi, yave ichiwedzera kukoshesa PCB redunhu bhodhi vagadziri uye vanogadzira bhodhi redunhu.Iko CTI kukosha kunoedzwa maererano ne ...

• Nyamavhuvhu 13. 2021

1. Main process Browning→vhura PP→fanoronga→kurongeka→dzvanya-kukodzera→kubvisa→ifomu→FQＣ→IQＣ→pakeji 2. Special plates (1) High tg pcb zvinhu Nekuvandudzwa kweindasitiri yeruzivo rwemagetsi, kushandiswa minda yemapuranga akadhindwa yakawedzera uye yakafara, uye zvinodiwa zvekushanda kwemapuranga akadhindwa zvave zvichiwedzera zvakasiyana-siyana.Pamusoro pekuita o...

• Nyamavhuvhu 09. 2021

Kana iwe uchinetseka kuti chii chaizvo chakadhindwa Circuit Boards (PCBs) uye kuti anogadzirwa sei, saka hausi wega.Vanhu vazhinji vane nzwisiso isina kujeka ye "Circuit Boards", asi chaizvo havasi nyanzvi kana zvasvika pakukwanisa kutsanangura kuti Printed Circuit Board chii.MaPCB anowanzo shandiswa kutsigira uye nemagetsi kubatanidza zvinhu zvakabatana zvemagetsi kubhodhi.Dzimwe bvunzo...