Iyo inobhururuka tsono tester haibvi papini yepini yakamisikidzwa pachigadziriso kana bracket.Kubva pane iyi system, maviri kana anopfuura maprobe akaiswa padiki, akasununguka-inofamba misoro muxy plane, uye bvunzo mapoints anodzorwa zvakananga neCADI. Gerber data.Maprobe maviri anogona kufamba mukati me4 mil kubva kune imwe.Maprobes anogona kufamba otomatiki, uye hapana muganhu chaiwo wekuti angasvika pedyo zvakadii.Muyedzi ane maoko maviri anofambiswa anobva pazviyero zvecapacitance.The redunhu bhodhi rinoiswa zvakasimba pamusoro insulating layer pane simbi ndiro kuti ACTS seimwe simbi ndiro nokuda capacitor.Kana pane pfupi redunhu pakati mitsetse, capacitance ichava yakakura kupfuura pane imwe nguva.Kana pane zororo, iyo capacitance ichava diki.
Kumhanyisa kwekuyedza chiyero chakakosha chekusarudza muyedzi.Kunyange iwo tsono mubhedha tester inogona kunyatso kuyedza zviuru zvemapoinzi ebvunzo panguva, inobhururuka tsono tester inogona kungoedza maviri kana mana mapoinzi panguva.Kuwedzera, bvunzo imwe chete ine tsono yemubhedha tester inogona kungoita 20-305 chete, zvichienderana nekuoma kwebhodhi, nepo inobhururuka tsono tester inoda Ih kana kupfuura kuti ipedze kuongorora kwakafanana. Shipley (1991) akatsanangura kuti nzira iyi isarudzo yakanaka kune vagadziri vemapuranga akaoma edunhu ane goho rakaderera, kunyange kana vagadziri vepamusoro-vhoriyamu akadhindwa edunhu mabhodhi vachifunga kuti inofamba inobhururuka pini yekuongorora nzira inononoka.
Pakuongororwa kweplate isina chinhu, kune zvishandiso zvakatsaurirwa zvekuedza (Lea, 1990) . Imwe nzira inodhura-inoshanda ingave yekushandisa chiridzwa chepasi rose, kunyangwe pakutanga ichidhura kupfuura chiridzwa chakatsaurirwa, mutengo wayo wekutanga wakakwira waizogadziriswa nekuderedzwa kwe mari yezvigadziro zvega zvega.Nekuda kwemagridi ezvese, iyo standard grid yemabhodhi uye pamusoro pemidziyo yekumisikidza ine pini zvinhu ndeye 2.5 mm.Panguva iyi test pad inofanira kunge yakakura kudarika kana kuenzana ne1.3mm.
Kune Imm grid, test pad yakagadzirirwa kuva yakakura kudarika 0.7mm.Kana girasi iri duku, pini yekuedza idiki, brittle, uye inokuvadza.Saka, zvakanakisisa kushandisa magirasi makuru kupfuura 2.5mm.Crum. (1994b) yakataura kuti kusanganiswa kweuniversal tester (standard grid tester) uye inobhururuka tsono tester inogona kuita kuti kuonekwa kwepamusoro density circuit board yakarurama uye ine mari.Imwe nzira yaanoratidza ndeyokushandisa conductive rubber tester, inogona kushandiswa kuona. mapoinzi anotsauka kubva grid.Zvisinei, kureba kwakasiyana kwemapadhi anobatwa nemhepo inopisa inomisa kunokanganisa kubatanidzwa kwebvunzo dzebvunzo.
Matanho matatu anotevera ekuonekwa anowanzoitwa:
1) kuona ndiro isina kupfeka;
2) kuwanikwa kwepamhepo;
3) kuonekwa kwebasa.
Iyo general type tester inogona kushandiswa kuona rudzi rwechimiro uye mhando yedunhu bhodhi pamwe neakakosha maapplication.
Metal coatings akajairika ndeaya:
Mhangura
Tin
Ukobvu kazhinji huri pakati pe5 ne15 cm
Lead-tin alloy (kana tin-copper alloy)
Kureva, solder, kazhinji 5 kusvika 25 m gobvu, ine tin inokwana 63%
goridhe: Kazhinji inongoputirwa pane iyo interface
sirivheri: Kazhinji inongoputirwa pane iyo interface, kana iyo yese iri zvakare alloy yesirivheri