SMT制(zhi)造(zao)樣品(pin)是一(yi)個復(fu)雜而(er)的(de)(de)過程(cheng)，需要(yao)客戶(hu)(hu)提供(gong)(gong)、準確的(de)(de)設(she)計和(he)生(sheng)(sheng)(sheng)產(chan)資(zi)料(liao)。從基(ji)礎(chu)設(she)計文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)（如(ru)(ru)Gerber文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)和(he)BOM文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)）到位置(zhi)與坐標文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)，再到工(gong)藝(yi)與測(ce)試(shi)文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)，每一(yi)個細節都至關重(zhong)要(yao)。通(tong)過雙方的(de)(de)有(you)效溝(gou)通(tong)和(he)緊密(mi)合(he)作，可以(yi)(yi)確保(bao)SMT打樣過程(cheng)的(de)(de)順利進(jin)(jin)行，并(bing)終獲得高質量(liang)的(de)(de)產(chan)品(pin)。一(yi)、基(ji)礎(chu)設(she)計文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)Gerber文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)是SMT打樣的(de)(de)基(ji)礎(chu)資(zi)料(liao)之一(yi)，它是從PCB（印制(zhi)電路(lu)(lu)板）設(she)計文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)中導(dao)出(chu)(chu)的(de)(de)圖(tu)形數據文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)。BOM文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)（物(wu)料(liao)清(qing)單(dan)）是物(wu)料(liao)的(de)(de)詳細描述(shu)清(qing)單(dan)，與實(shi)際物(wu)料(liao)對應。它包含(han)了電路(lu)(lu)板上所有(you)元(yuan)器件(jian)(jian)(jian)(jian)(jian)(jian)的(de)(de)型號、規格(ge)和(he)數量(liang)，是工(gong)廠來料(liao)檢驗和(he)生(sheng)(sheng)(sheng)產(chan)程(cheng)序的(de)(de)標準文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)。二(er)、位置(zhi)與坐標文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)坐標文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)描述(shu)了元(yuan)器件(jian)(jian)(jian)(jian)(jian)(jian)在PCB板上的(de)(de)位置(zhi)信息。這(zhe)份(fen)文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)通(tong)常以(yi)(yi).txt或(huo)Excel格(ge)式提供(gong)(gong)，單(dan)位需為公制(zhi)（默認使用mm毫米(mi)），并(bing)包含(han)PCB板原點，原點一(yi)般設(she)計在左(zuo)下角。三、工(gong)藝(yi)與測(ce)試(shi)文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)工(gong)藝(yi)要(yao)求文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)詳細列出(chu)(chu)了制(zhi)造(zao)過程(cheng)中的(de)(de)特殊要(yao)求和(he)注意事項，如(ru)(ru)焊接溫度、焊接時間、清(qing)潔處理(li)等。如(ru)(ru)果(guo)需要(yao)進(jin)(jin)行電路(lu)(lu)板的(de)(de)功能測(ce)試(shi)或(huo)ICT（在線測(ce)試(shi)），客戶(hu)(hu)需要(yao)提供(gong)(gong)相關的(de)(de)測(ce)試(shi)文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)和(he)程(cheng)序。測(ce)試(shi)文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)應明確測(ce)試(shi)步驟、測(ce)試(shi)點和(he)預期(qi)結果(guo)，以(yi)(yi)確保(bao)廠家能準確進(jin)(jin)行測(ce)試(shi)并(bing)評估(gu)電路(lu)(lu)板的(de)(de)質量(liang)。四(si)、其他輔助文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)如(ru)(ru)果(guo)客戶(hu)(hu)的(de)(de)板子是拼板設(she)計的(de)(de)，還需要(yao)提供(gong)(gong)拼板文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)。拼板文(wen)(wen)(wen)(wen)(wen)(wen)件(jian)(jian)(jian)(jian)(jian)(jian)描述(shu)了如(ru)(ru)何將多個小(xiao)板拼接成一(yi)個大(da)板進(jin)(jin)行生(sheng)(sheng)(sheng)產(chan)，以(yi)(yi)提高生(sheng)(sheng)(sheng)產(chan)效率和(he)降低成本。{廣州俱進(jin)(jin)精密(mi)}多品(pin)種(zhong)、中小(xiao)批量(liang)、高質量(liang)、快速交付，專注于線路(lu)(lu)板制(zhi)造(zao)與貼片加工(gong)領域，加急件(jian)(jian)(jian)(jian)(jian)(jian)交付率高達99%，滿(man)足(zu)客戶(hu)(hu)所急需。

1.創建正確的(de)(de)(de)(de)絲(si)印標記(ji)我們(men)(men)建議以一(yi)種(zhong)(zhong)簡單易行的(de)(de)(de)(de)方式(shi)識(shi)別(bie) PCB 上(shang)的(de)(de)(de)(de)部(bu)件(jian)，以了解(jie)(jie)使(shi)部(bu)件(jian)放置(zhi)和(he)(he)方向(xiang)/方向(xiang)過(guo)(guo)程盡可(ke)(ke)能簡單的(de)(de)(de)(de)方式(shi)。例(li)如(ru)，包括指(zhi)導(dao)LED 的(de)(de)(de)(de)陰極(ji)和(he)(he)陽極(ji)引腳在(zai)(zai)板(ban)(ban)上(shang)放置(zhi)位(wei)置(zhi)的(de)(de)(de)(de)有用符(fu)號(hao)。2.考慮加(jia)(jia)(jia)熱(re)(re)(re)問(wen)題(ti)如(ru)果您曾經(jing)(jing)發(fa)現(xian)電路(lu)的(de)(de)(de)(de)性能會(hui)(hui)隨(sui)著時間(jian)(jian)(jian)的(de)(de)(de)(de)推移而下降，那么您可(ke)(ke)能會(hui)(hui)了解(jie)(jie)在(zai)(zai)某(mou)些現(xian)成(cheng)產(chan)品中(zhong)(zhong)散熱(re)(re)(re)問(wen)題(ti)可(ke)(ke)能造成(cheng)的(de)(de)(de)(de)損失有多大(da)。為(wei)(wei)了幫助您解(jie)(jie)決發(fa)熱(re)(re)(re)問(wen)題(ti)，請(qing)(qing)在(zai)(zai)您的(de)(de)(de)(de)電路(lu)板(ban)(ban)上(shang)找(zhao)到(dao)散熱(re)(re)(re)的(de)(de)(de)(de)部(bu)件(jian)。發(fa)現(xian)此(ci)信息的(de)(de)(de)(de)有效方法之(zhi)(zhi)一(yi)是在(zai)(zai)數據表中(zhong)(zhong)查找(zhao)熱(re)(re)(re)阻(zu)額定值并閱讀其支持指(zhi)南。3.在(zai)(zai)板(ban)(ban)邊(bian)和(he)(he)銅(tong)之(zhi)(zhi)間(jian)(jian)(jian)留(liu)一(yi)個間(jian)(jian)(jian)隙(xi)(xi)請(qing)(qing)記(ji)住在(zai)(zai)板(ban)(ban)邊(bian)緣(yuan)(yuan)與走線(xian)或(huo)銅(tong)平面(mian)之(zhi)(zhi)間(jian)(jian)(jian)留(liu)出小(xiao)間(jian)(jian)(jian)隙(xi)(xi)或(huo)間(jian)(jian)(jian)隙(xi)(xi)。在(zai)(zai)開(kai)始(shi)設(she)(she)計(ji)(ji)過(guo)(guo)程之(zhi)(zhi)前在(zai)(zai) DRC 中(zhong)(zhong)設(she)(she)置(zhi)設(she)(she)計(ji)(ji)規則，例(li)如(ru)定義(yi)板(ban)(ban)到(dao)邊(bian)緣(yuan)(yuan)或(huo)銅(tong)到(dao)邊(bian)緣(yuan)(yuan)的(de)(de)(de)(de)間(jian)(jian)(jian)隙(xi)(xi)。如(ru)果您想設(she)(she)置(zhi)至少 50 密(mi)耳的(de)(de)(de)(de)間(jian)(jian)(jian)隙(xi)(xi)，應(ying)(ying)該(gai)沒(mei)問(wen)題(ti)。但(dan)在(zai)(zai)確保他(ta)們(men)(men)建議的(de)(de)(de)(de)間(jian)(jian)(jian)隙(xi)(xi)要(yao)求之(zhi)(zhi)前，請(qing)(qing)務(wu)必仔(zi)細(xi)(xi)檢(jian)查您的(de)(de)(de)(de)制(zhi)造商(shang)。9.請(qing)(qing)仔(zi)細(xi)(xi)檢(jian)查阻(zu)焊層(ceng)當設(she)(she)計(ji)(ji)人員錯誤(wu)地忽略焊盤(pan)(pan)之(zhi)(zhi)間(jian)(jian)(jian)的(de)(de)(de)(de)阻(zu)焊層(ceng)時，通常會(hui)(hui)發(fa)生這(zhe)種(zhong)(zhong)情況(kuang)。當設(she)(she)計(ji)(ji)人員將(jiang)設(she)(she)置(zhi)從初的(de)(de)(de)(de)較(jiao)大(da)電路(lu)板(ban)(ban)設(she)(she)置(zhi)為(wei)(wei)較(jiao)小(xiao)的(de)(de)(de)(de)電路(lu)板(ban)(ban)時，這(zhe)是可(ke)(ke)能的(de)(de)(de)(de)。當然(ran)，現(xian)在(zai)(zai)它(ta)們(men)(men)的(de)(de)(de)(de)焊盤(pan)(pan)孔太大(da)了。無論如(ru)何(he)，在(zai)(zai)任何(he)情況(kuang)下，精(jing)(jing)密(mi)SMT加(jia)(jia)(jia)工(gong)(gong)企業，當您想將(jiang)您的(de)(de)(de)(de)電路(lu)板(ban)(ban)設(she)(she)計(ji)(ji)發(fa)送給制(zhi)造商(shang)或(huo)供(gong)應(ying)(ying)商(shang)時，請(qing)(qing)仔(zi)細(xi)(xi)檢(jian)查所(suo)有焊盤(pan)(pan)之(zhi)(zhi)間(jian)(jian)(jian)是否已經(jing)(jing)有阻(zu)焊層(ceng)。這(zhe)些技巧將(jiang)減(jian)少腐蝕(shi)和(he)(he)橋接的(de)(de)(de)(de)機會(hui)(hui)。10.請(qing)(qing)仔(zi)細(xi)(xi)檢(jian)查銳角如(ru)今(jin)，大(da)多數設(she)(she)計(ji)(ji)師都了解(jie)(jie)如(ru)何(he)防止在(zai)(zai)走線(xian)中(zhong)(zhong)產(chan)生銳角。然(ran)而，他(ta)們(men)(men)仍(reng)然(ran)可(ke)(ke)以通過(guo)(guo)裂縫錯誤(wu)地做到(dao)這(zhe)一(yi)點(dian)，特別(bie)是如(ru)果有兩個關節痕跡。為(wei)(wei)什(shen)么這(zhe)個這(zhe)么重要(yao)？因為(wei)(wei)銳角會(hui)(hui)促使(shi)腐蝕(shi)發(fa)展(zhan)，從而破壞銅(tong)并使(shi)電路(lu)出現(xian)缺陷。{廣州俱進(jin)精(jing)(jing)密(mi)}多品種(zhong)(zhong)、中(zhong)(zhong)小(xiao)批量(liang)、高質量(liang)、快(kuai)速交付，專(zhuan)注于線(xian)路(lu)板(ban)(ban)制(zhi)造與貼(tie)片加(jia)(jia)(jia)工(gong)(gong)領域，加(jia)(jia)(jia)急件(jian)交付率高達99%，滿(man)足客戶所(suo)急需(xu)。

成(cheng)本與考(kao)慮因素由于內(nei)層(ceng)板(ban)(ban)的(de)(de)制(zhi)造(zao)工(gong)藝復雜且對材料和環(huan)境的(de)(de)要(yao)(yao)求較高(gao)，因此其成(cheng)本通常較高(gao)。在(zai)設(she)計內(nei)層(ceng)板(ban)(ban)時，需(xu)要(yao)(yao)權衡電氣性(xing)(xing)能、制(zhi)造(zao)成(cheng)本和可靠性(xing)(xing)等(deng)因素。外層(ceng)板(ban)(ban)的(de)(de)制(zhi)造(zao)成(cheng)本相(xiang)對較低，但(dan)也需(xu)要(yao)(yao)考(kao)慮額外的(de)(de)因素如美觀性(xing)(xing)、耐磨性(xing)(xing)和抗腐蝕性(xing)(xing)，在(zai)外層(ceng)板(ban)(ban)的(de)(de)設(she)計和制(zhi)造(zao)過程中，同(tong)樣需(xu)要(yao)(yao)注重(zhong)細(xi)節和品(pin)質控制(zhi)。{廣州俱進(jin)精密}多(duo)品(pin)種、中小(xiao)批量(liang)、高(gao)質量(liang)、快速交(jiao)付(fu)，專注于線路板(ban)(ban)制(zhi)造(zao)與貼片加工(gong)領域，加急(ji)件交(jiao)付(fu)率(lv)高(gao)達99%，滿足客戶所(suo)急(ji)需(xu)。