Zvinogona kucherechedzwa kuti kune akawanda makuru uye madiki maburi mubhodhi redunhu, uye inogona kuwanikwa kuti kune akawanda makomba makomba, uye gomba rimwe nerimwe rakagadzirirwa chinangwa chayo. Aya maburi anogona kupatsanurwa kuita PTH (Plating through Hole) uye NPTH (Non Plating through Hole) achiputira nemugomba, uye isu tinoti "kuburikidza negomba" nekuti inoenda chaizvo kubva kune rimwe divi rebhodhi kuenda kune rimwe, Muchokwadi, mukati kuwedzera kune kuburikidza neburi mubhodhi redunhu, kune mamwe maburi asiri kuburikidza nebhodhi redunhu.
PCB mazwi: kuburikidza negomba, gomba rebofu, gomba rakavigwa.
1. Nzira yekusiyanisa PTH neNPTH mumakomba?
Inogona kutongwa kana pane akajeka electroplating zviratidzo pagomba rusvingo. Gomba rine maelectroplating marks iPTH, uye gomba risina maelectroplating marks iNPTH. Sezvakaratidzwa mumufananidzo uri pasi apa:
2. TheUkukosha kweNPTH
Inowanikwa kuti aperture yeNPTH inowanzova yakakura kudarika PTH, nokuti NPTH inonyanya kushandiswa sevhavha yekuvhara, uye imwe inoshandiswa kuisa mamwe majoi kunze kwechibatanidza chakagadziriswa. Mukuwedzera, mamwe anozoshandiswa seyedzo yekumisikidza padivi peplate.
3. Kushandiswa kwePTH, Chii chinonzi Via?
Kazhinji, maburi ePTH pabhodhi redunhu anoshandiswa nenzira mbiri. Imwe inoshandiswa kubatanidza tsoka dzezvikamu zveDIP zvechinyakare. Iyo aperture yemakomba aya inofanira kunge yakakura kudarika dhayamita yemakumbo emagetsi ezvikamu, kuitira kuti zvikamu zvigone kuiswa mumakomba.
Imwe PTH idiki, inowanzonzi via (conduction hole), inoshandiswa kubatanidza uye conduction redunhu bhodhi (PCB) pakati pematanho maviri kana anopfuura emhangura foil line, nekuti PCB inoumbwa nematanda akawanda emhangura akaturikidzana, rimwe nerimwe re mhangura (mhangura) ichave yakashongedzwa neyakagadzika yekudzivirira, kureva kuti, mhangura yemhangura haigone kutaurirana, Kubatana kune chiratidzo chayo kuburikidza, ndosaka ichinzi "pfuura nepaburi" muchiChinese. Via nokuti maburi haaoneki zvachose kubva kunze. Nekuti chinangwa cheVia ndechekuitisa foil yemhangura yezvikamu zvakasiyana, zvinoda electroplating kuti iite, saka kuburikidza nerudzi rwePTH.
