I-PCB Flying Probe Test Working Skere

Le ndatshana izokwabelana ngamasu afana nokuqondanisa, ukulungisa, kanye nokuhlolwa kwebhodi le-warping ekuhlolweni kokuhlolwa kwe-Fly Prophen Proferes ukuze kubhekwe kuphela.

1. I-countpoint

Into yokuqala ukukhuluma ngayo ukukhethwa kwama-counterports. Ngokuvamile, izimbobo ezimbili kuphela ze-diagonal kufanele zikhethwe njengezinkomo. ?) Unganaki i-IC. Inzuzo yalokhu ukuthi kunamaphuzu ambalwa wokuqondanisa, futhi isikhathi esincane sichithwa ngokuhambisana. Ngokuvamile ukukhuluma, uku-etching kuhlale kunesikhuphukeli, ngakho-ke akukubi kakhulu ukukhetha ama-pads amaphoyinti wokuqondanisa. Uma kunemibuthano eningi evulekile, awudingi ukuyeka ngokushesha, futhi ume lapho ukuhlolwa kwesekethe okuvulekile kuqediwe bese uqala isivivinyo sesekethe esifushane ngalesi sikhathi, ungangeza ukuma okuhlosiwe ngokuya ngephutha lendawo ebikiwe.

Ake sixoxe ngokuqondanisa kwencwajana futhi. Ukukhuluma ngokuqinile, izimbobo azikho esikhungweni samaphilisi, ngakho-ke lapho zibekwa ukuma, kufanele kubekwe amachashazi maphakathi namaphilisi ngangokunokwenzeka, noma azame ukuvumelana ngezimbobo zangempela? Ngokuvamile uma kunamaphuzu amaningi okufanele ahlolwe emgodini, khetha okulandelayo. Uma iningi le-IC, ikakhulukazi lapho i-IC ithambekele kwisifunda esivulekile samanga, udinga ukubeka imbobo yokuqondanisa phakathi kwephedi.

Okwesibili, uhlaka oluhleliwe

Uhlaka olungahleliwe lubakaki obuhleliwe. Idatha ehlakazekile imelelwa amabhokisi amabili. Uhlaka lwangaphandle lunguhlaka. Ukuze uthole ibhodi elinjalo, usayizi onikezwe ngumshini ungasetshenziswa ngqo. Ngemininingwane ngaphandle kohlaka, imelelwa yibhokisi. Singasebenzisa umyalo webhodi lombukiso (ezosetshenziswa lapho ubheka indlela yeBhodi) ukubona ukuthi iyiphi i-pad ehlolwe emaphethelweni asondele kakhulu. Qhathanisa nebhodi langempela ukubona ibanga laso ukusuka emaphethelweni malini asetshenziselwa ukunxephezela.

3. Ukuwela

Ibhodi ye-patch, okukhethiwe kungahlolwa. Singawusebenzisa lo msebenzi ukubona ukuhlolwa kwebhodi le-patch lapho ibanga phakathi kwepadi nonqenqemeni lwebhodi lincane kakhulu ukuba lihlolwe. Indlela ukuvimba ama-pads angenakubanjwa yi-tray. Ukuhlolwa okukodwa kuphuma, nangemva kwesivivinyo, i-tray ibekwa epuletini elinqunyelwe elithile elihloliwe, futhi ibhodi elingakavalwanga isikhathi sokugcina likhethiwe, ukuze ibhodi lonke lihlolwe ngezivivinyo ezi-2. Ngakho-ke, kufanele sisebenzise kalula imisebenzi enikezwe yimishini yokufeza ezinye izidingo ezikhethekile.

Okwesine, I-Warpage

Usayizi ohlangothini olulodwa lukhulu kakhulu, ikakhulukazi lapho usayizi kolunye uhlangothi luncane, iBhodi lizokwakhiwa ngaphansi komshini wokuhlola, kanti umshini we-Flying Perse unesihloko esincane, futhi kufakwe i-Pallet eyodwa ngosayizi omncane, kungabekwa amaphallet amathathu. Ngakho-ke, umshini ukhetha ukuqondiswa okude kweBhodi ukuthi kulinganiswe lapho kusethelwa ukuqondiswa kwe-X komshini, kungcono ukuhlela ngesandla, bese ubeka inkinga yakhe ende, ongayixazulula inkinga ye-y degree yebhodi ehlolweni ngezinga elithile. (Lokhu kulungiswa kumele kusingathwe ku-DPS).


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