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Idon-da-needle (EON) press-fit m, wanda aka ƙera don maye gurbin siyar da tashoshi a kan bugu da aka buga, da aka samar a kasuwa fiye da shekaru goma a cikin 0.64mm da 0.81mm versions.
Yadda Press-fit ke Aiki
Yankin daɗaɗɗen latsawa na EON sananne ne don tabbatar da ingantaccen haɗin gwiwa tsakanin tashar tashoshi da plated-through-rami (PTH) na allon da'ira da aka buga (PCB) ƙarƙashin aikace-aikacen kera mai tsanani.Waɗannan aikace-aikacen sun haɗa da hawan zafin jiki daga -40 ℼC zuwa 175 ºC, zafi mai zafi, bushewar zafi, da rawar jiki da tsauri waɗanda ke da alaƙa da yanayin tsiron abin hawa.
Makullin samun aminci a ƙarƙashin waɗannan sharuɗɗan shine samar da hatimin iskar gas a mahaɗin tsakanin yankin da aka yarda da tashar tashoshi da plated-through-rami.An rufe hanyar sadarwa ta hanyar sadarwa ta zahiri daga yanayin da ke kewaye da ita ta yadda ba za a iya samun ta ta hanyar zafi mai yawa ko gurbataccen iskar gas ba, don haka ba a samun samuwar oxides na saman.Oxides suna da alhakin haifar da juriya mai girma, wanda zai iya haifar da rashin daidaituwa na tsarin da yiwuwar gazawar tsarin.
Babban hatimin iskar gas ana kiyaye shi ta manyan runduna na yau da kullun waɗanda ke kama da kusan 25,000g.0.81mm danna-fit zuwa kusa da 4,000g don 0.40mm press-fit.(The 0.64mm press-fit clocks in around 8,000g.) [Duk sojojin da aka nakalto na al'ada na PTH masu girma dabam ne, da kuma tsarin tin.] Waɗannan manyan runduna ne na al'ada, idan aka kwatanta da na al'ada na tsakanin 100g da 200g don tsarin tuntuɓar ruwan wukake-receptacle tin.
0.4mm Press-fit
An tsara duk-sabon 0.4mm EON latsa-fit yankin don yin aiki tare da yanzu masana'antu-misali plated-ta-rami girman 0.60 ± 0.05mm.Yankin da ya dace da latsa yana samun ƙarfin riƙewa mafi kyau a kowane ƙarshen girman girman PTH ta hanyar yin amfani da haɗin haɗin roba da nakasar filastik, wanda ke da alaƙa da tsohon a ƙarshen ƙarshen girman girman PTH, kuma zuwa na ƙarshe a mafi girma. karshen girman girman PTH.Babu wani lokaci da aka yarda da elongation ya wuce iyakar kayan aiki, don kawar da yiwuwar samuwar micro-crack.
Daidaitaccen kayan da ya dace da latsawa zuwa babban aiki CuNiSi (C19010), amma zai ba da CuSn4 da CuSn6 idan an buƙata.Bugu da ƙari, za a ba da tasha a daidaitaccen da kuma rage plating ɗin tin.Ƙarshen yana da mahimmanci musamman a aikace-aikacen tashoshi masu yawa don rage yuwuwar whisker ɗin kwano.
Lokacin aikawa: Juni-22-2022