執行Tools→Preferences命(ming)令即(ji)可打(da)開(kai)“Preferences”對話(hua)(hua)框。設置(zhi)網(wang)格：在(zai)打(da)開(kai)的(de)(de)(de)(de)“Preferences”對話(hua)(hua)框選(xuan)擇GraphicalEditing選(xuan)項(xiang)卡，在(zai)其中(zhong)的(de)(de)(de)(de)CursorGridOptions部分的(de)(de)(de)(de)VisibleGrids（顯示網(wang)格）欄，選(xuan)LineGrid選(xuan)項(xiang)為設定線(xian)狀網(wang)格，選(xuan)DotGrid選(xuan)項(xiang)則為點狀網(wang)格（無(wu)網(wang)格）。設置(zhi)光標：選(xuan)擇GraphicalEditing選(xuan)項(xiang)卡中(zhong)的(de)(de)(de)(de)CursorGridOptions的(de)(de)(de)(de)CursorType（光標類(lei)型）選(xuan)項(xiang)，該選(xuan)項(xiang)下有三種光標類(lei)型：LargeCursor90、SmallCursor90和(he)SmallCursor45，用(yong)(yong)戶(hu)(hu)可以(yi)選(xuan)擇任(ren)意一種光標類(lei)型。電(dian)路板制(zhi)(zhi)版技(ji)(ji)術編(bian)輯PCB制(zhi)(zhi)板技(ji)(ji)術，包含計算機輔助(zhu)(zhu)制(zhi)(zhi)造(zao)處(chu)(chu)理技(ji)(ji)術，即(ji)CAD/CAM，還有光繪技(ji)(ji)術。下面(mian)介紹一下計算機輔助(zhu)(zhu)制(zhi)(zhi)造(zao)處(chu)(chu)理技(ji)(ji)術計算機輔助(zhu)(zhu)制(zhi)(zhi)造(zao)（CAM）是根據所定工(gong)(gong)藝(yi)進(jin)行各(ge)種工(gong)(gong)藝(yi)處(chu)(chu)理。前面(mian)所講的(de)(de)(de)(de)各(ge)項(xiang)工(gong)(gong)藝(yi)要(yao)(yao)求，都(dou)(dou)要(yao)(yao)在(zai)光繪之前做(zuo)出(chu)必(bi)(bi)(bi)要(yao)(yao)的(de)(de)(de)(de)準備工(gong)(gong)作(zuo)。比如(ru)鏡像、阻焊擴大、工(gong)(gong)藝(yi)線(xian)、工(gong)(gong)藝(yi)框、線(xian)寬調(diao)(diao)整(zheng)(zheng)、中(zhong)心孔、外形線(xian)等問題都(dou)(dou)要(yao)(yao)在(zai)CAM這道(dao)工(gong)(gong)序來(lai)完成(cheng)。特別需要(yao)(yao)注意，用(yong)(yong)戶(hu)(hu)文件中(zhong)間距過小地方(fang)，必(bi)(bi)(bi)須(xu)做(zuo)出(chu)相應的(de)(de)(de)(de)處(chu)(chu)理。因為每個廠(chang)的(de)(de)(de)(de)工(gong)(gong)藝(yi)流程和(he)技(ji)(ji)術水平各(ge)不相同，要(yao)(yao)達到用(yong)(yong)戶(hu)(hu)的(de)(de)(de)(de)終要(yao)(yao)求，必(bi)(bi)(bi)須(xu)在(zai)制(zhi)(zhi)作(zuo)工(gong)(gong)藝(yi)中(zhong)做(zuo)出(chu)必(bi)(bi)(bi)要(yao)(yao)的(de)(de)(de)(de)調(diao)(diao)整(zheng)(zheng)，以(yi)滿足(zu)用(yong)(yong)戶(hu)(hu)有關(guan)精(jing)度等各(ge)方(fang)面(mian)的(de)(de)(de)(de)要(yao)(yao)求。因此(ci)CAM處(chu)(chu)理是現代印制(zhi)(zhi)電(dian)路制(zhi)(zhi)造(zao)中(zhong)必(bi)(bi)(bi)不可少的(de)(de)(de)(de)工(gong)(gong)序。雙面(mian)電(dian)路板廠(chang)家，深圳市(shi)邁瑞特電(dian)路科技(ji)(ji)有限(xian)公司。南通工(gong)(gong)業(ye)電(dian)路板

[]電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)費(fei)用(yong)(yong)(yong)(yong)標(biao)準編輯電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)收(shou)費(fei)標(biao)準維(wei)修(xiu)(xiu)(xiu)費(fei)用(yong)(yong)(yong)(yong)的(de)(de)(de)收(shou)取(qu)高(gao)不(bu)超(chao)過電(dian)(dian)(dian)(dian)子板(ban)(ban)(ban)(ban)(ban)原(yuan)值的(de)(de)(de)0%，其(qi)次按照(zhao)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)破環程(cheng)度、難(nan)易程(cheng)度、數(shu)量的(de)(de)(de)多少、零件費(fei)用(yong)(yong)(yong)(yong)高(gao)低(di)四(si)方(fang)(fang)(fang)(fang)面收(shou)取(qu)費(fei)用(yong)(yong)(yong)(yong)，特殊(shu)情況，酌情增減(jian)。電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)維(wei)修(xiu)(xiu)(xiu)說明(ming)⒈工控產(chan)品檢測(ce)。⒉客(ke)戶(hu)確認維(wei)修(xiu)(xiu)(xiu)后(hou)，運輸費(fei)用(yong)(yong)(yong)(yong)由我方(fang)(fang)(fang)(fang)承擔。⒊維(wei)修(xiu)(xiu)(xiu)方(fang)(fang)(fang)(fang)應(ying)(ying)根(gen)(gen)據檢測(ce)后(hou)的(de)(de)(de)故障情況給出的(de)(de)(de)收(shou)費(fei)標(biao)準要合理。⒋維(wei)修(xiu)(xiu)(xiu)方(fang)(fang)(fang)(fang)維(wei)修(xiu)(xiu)(xiu)的(de)(de)(de)產(chan)品應(ying)(ying)該給予三個月保修(xiu)(xiu)(xiu)。電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)驗收(shou)修(xiu)(xiu)(xiu)復設(she)(she)(she)備，基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)以現場試機通(tong)過為準，基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)交用(yong)(yong)(yong)(yong)戶(hu)后(hou)，用(yong)(yong)(yong)(yong)戶(hu)必須在(zai)(zai)一(yi)周內通(tong)知承修(xiu)(xiu)(xiu)方(fang)(fang)(fang)(fang)，如沒有通(tong)過則(ze)交回(hui)承修(xiu)(xiu)(xiu)方(fang)(fang)(fang)(fang)返修(xiu)(xiu)(xiu)，否則(ze)視為通(tong)過。特殊(shu)情況不(bu)能試機（板(ban)(ban)(ban)(ban)(ban)），則(ze)客(ke)戶(hu)方(fang)(fang)(fang)(fang)必須事先(xian)通(tong)知承修(xiu)(xiu)(xiu)方(fang)(fang)(fang)(fang)。電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)改(gai)制仿制對(dui)客(ke)戶(hu)現成的(de)(de)(de)基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)提供改(gai)進(jin)、定(ding)制基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)或替換進(jin)口基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)。則(ze)該項費(fei)用(yong)(yong)(yong)(yong)視易難(nan)程(cheng)度及基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)數(shu)量等由雙方(fang)(fang)(fang)(fang)協商決定(ding)，且需方(fang)(fang)(fang)(fang)先(xian)預付總價格的(de)(de)(de)50%。電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)工程(cheng)報(bao)價⒈根(gen)(gen)據客(ke)戶(hu)的(de)(de)(de)要求(qiu)設(she)(she)(she)計電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)、油路(lu)(lu)(lu)(lu)(lu)(lu)、氣路(lu)(lu)(lu)(lu)(lu)(lu)、線(xian)路(lu)(lu)(lu)(lu)(lu)(lu)圖。根(gen)(gen)據工程(cheng)量的(de)(de)(de)大小、材料的(de)(de)(de)選用(yong)(yong)(yong)(yong)、設(she)(she)(she)備的(de)(de)(de)選用(yong)(yong)(yong)(yong)，應(ying)(ying)一(yi)周內向客(ke)戶(hu)報(bao)價。加工廠分(fen)布(bu)情況電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)加工廠在(zai)(zai)南北(bei)方(fang)(fang)(fang)(fang)均(jun)有分(fen)布(bu)，南方(fang)(fang)(fang)(fang)做(zuo)多層線(xian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)比(bi)較(jiao)多，北(bei)方(fang)(fang)(fang)(fang)則(ze)是單(dan)面線(xian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)比(bi)較(jiao)多，主要有剛性印制板(ban)(ban)(ban)(ban)(ban)、鋁基(ji)(ji)板(ban)(ban)(ban)(ban)(ban)、翔宇(yu)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)。電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)維(wei)護電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)在(zai)(zai)使用(yong)(yong)(yong)(yong)中(zhong)，應(ying)(ying)定(ding)期進(jin)行(xing)保養。以確保電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)工作在(zai)(zai)良(liang)好的(de)(de)(de)狀態和減(jian)少電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)故障率。武漢(han)集成電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)收(shou)費(fei)深圳市邁瑞(rui)特電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)科技(ji)有限(xian)公(gong)司(si)電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)(lu)(lu)板(ban)(ban)(ban)(ban)(ban)品質棒。

本(ben)土企業(ye)產(chan)(chan)(chan)品(pin)規模結構和(he)關鍵技(ji)術不(bu)足中(zhong)小型(xing)和(he)民營廠商的(de)(de)生(sheng)產(chan)(chan)(chan)能(neng)力(li)和(he)技(ji)術水(shui)平(ping)都在低(di)級產(chan)(chan)(chan)品(pin)沒(mei)有(you)被國(guo)(guo)際(ji)接受的(de)(de)工業(ye)標(biao)準缺少自己(ji)和(he)公認(ren)的(de)(de)品(pin)牌(pai)對研發(fa)(fa)重視不(bu)夠，無力(li)從事(shi)研發(fa)(fa)高級設備、技(ji)術多掌握在外資企業(ye)中(zhong)沒(mei)有(you)形成配套齊全，行(xing)業(ye)自律(lv)的(de)(de)市場(chang)(chang)(chang)廢(fei)棄物的(de)(de)處理沒(mei)有(you)達到(dao)環保標(biao)準電路(lu)(lu)板(ban)(ban)(ban)機會(hui)下游(you)需(xu)求帶(dai)(dai)來(lai)發(fa)(fa)展(zhan)動力(li)美國(guo)(guo)、歐洲等主要生(sheng)產(chan)(chan)(chan)國(guo)(guo)減(jian)產(chan)(chan)(chan)或(huo)產(chan)(chan)(chan)品(pin)結構調整帶(dai)(dai)來(lai)的(de)(de)市場(chang)(chang)(chang)空(kong)(kong)間(jian)國(guo)(guo)際(ji)產(chan)(chan)(chan)業(ye)轉(zhuan)移帶(dai)(dai)來(lai)新的(de)(de)技(ji)術和(he)管理電子(zi)信息(xi)產(chan)(chan)(chan)業(ye)高速(su)發(fa)(fa)展(zhan)，出口(kou)(kou)增長(chang)40-45%之間(jian)，PCB產(chan)(chan)(chan)業(ye)卻(que)落后于整體電子(zi)信息(xi)產(chan)(chan)(chan)業(ye)的(de)(de)增長(chang)幅度，多層(ceng)板(ban)(ban)(ban)和(he)HDI板(ban)(ban)(ban)的(de)(de)產(chan)(chan)(chan)量更遠(yuan)遠(yuan)落后于市場(chang)(chang)(chang)，需(xu)大(da)量依賴進(jin)口(kou)(kou)，PCB產(chan)(chan)(chan)業(ye)還有(you)很大(da)的(de)(de)發(fa)(fa)展(zhan)空(kong)(kong)間(jian)各(ge)廠商要尋找(zhao)高毛(mao)利的(de)(de)細分市場(chang)(chang)(chang)、產(chan)(chan)(chan)品(pin)，轉(zhuan)型(xing)到(dao)高階(jie)產(chan)(chan)(chan)品(pin)，以(yi)(yi)軟板(ban)(ban)(ban)、軟硬結合(he)板(ban)(ban)(ban)、厚銅(tong)板(ban)(ban)(ban)、光電的(de)(de)XY控制板(ban)(ban)(ban)、TFT面板(ban)(ban)(ban)的(de)(de)source板(ban)(ban)(ban)、汽車板(ban)(ban)(ban)、內存板(ban)(ban)(ban)、內存模塊板(ban)(ban)(ban)、0層(ceng)以(yi)(yi)上(shang)PCB板(ban)(ban)(ban)，有(you)更多的(de)(de)機會(hui)。電路(lu)(lu)板(ban)(ban)(ban)威(wei)脅(xie)原材(cai)(cai)料和(he)能(neng)源(yuan)價格上(shang)漲的(de)(de)壓力(li)印刷電路(lu)(lu)板(ban)(ban)(ban)生(sheng)產(chan)(chan)(chan)所需(xu)的(de)(de)主要原料包(bao)括覆銅(tong)板(ban)(ban)(ban)、銅(tong)箔、半固化(hua)片、化(hua)學藥水(shui)、陽極銅(tong)/錫/鎳、干膜(mo)、油墨等，此外，印刷電路(lu)(lu)板(ban)(ban)(ban)的(de)(de)生(sheng)產(chan)(chan)(chan)還需(xu)要消耗電力(li)能(neng)源(yuan)，貴金屬以(yi)(yi)及石油、煤等基(ji)礎能(neng)源(yuan)價格的(de)(de)大(da)幅上(shang)漲也使得印刷電路(lu)(lu)板(ban)(ban)(ban)行(xing)業(ye)覆銅(tong)板(ban)(ban)(ban)、銅(tong)箔等主要原材(cai)(cai)料和(he)能(neng)源(yuan)的(de)(de)價格均(jun)有(you)較大(da)幅度的(de)(de)上(shang)升(sheng)。

公(gong)司產品用(yong)(yong)于(yu)通(tong)訊(xun)、計算機、工業控制、汽車、家用(yong)(yong)電器(qi)和(he)航空航天等(deng)高(gao)科技領域(yu)(yu)，主(zhu)要銷(xiao)往歐洲、日本、美國(guo)(guo)、亞洲等(deng)電子廠商。公(gong)司自(zi)成立以(yi)來不(bu)斷(duan)引進(jin)德國(guo)(guo)、日本、中(zhong)國(guo)(guo)等(deng)地區的(de)(de)(de)(de)(de)先進(jin)設備和(he)生產技術，致力于(yu)開發和(he)生產各(ge)種高(gao)密度(du)和(he)高(gao)可靠性的(de)(de)(de)(de)(de)電路(lu)板(ban)產品。產品符(fu)合IEC、IPC、DIN、MIN標準，獲(huo)ROHS、SGS、UL認(ren)(ren)證(zheng)(zheng)，通(tong)過(guo)ISO-9002質量體系(xi)認(ren)(ren)證(zheng)(zheng)及ISO14000環境體系(xi)認(ren)(ren)證(zheng)(zheng)。該區域(yu)(yu)的(de)(de)(de)(de)(de)干膜(mo)在稍(shao)后的(de)(de)(de)(de)(de)顯(xian)影(ying)、蝕銅(tong)步驟中(zhong)將(jiang)被保留下(xia)來當作蝕刻(ke)阻(zu)劑(ji)）。而將(jiang)底片上(shang)的(de)(de)(de)(de)(de)線路(lu)影(ying)像移(yi)轉到(dao)板(ban)面(mian)干膜(mo)光阻(zu)上(shang)。撕去膜(mo)面(mian)上(shang)的(de)(de)(de)(de)(de)保護膠膜(mo)后，先以(yi)碳酸鈉(na)水溶(rong)液(ye)(ye)將(jiang)膜(mo)面(mian)上(shang)未受光照的(de)(de)(de)(de)(de)區域(yu)(yu)顯(xian)影(ying)去除，再用(yong)(yong)鹽(yan)酸及雙(shuang)氧水混合溶(rong)液(ye)(ye)將(jiang)裸露(lu)出來的(de)(de)(de)(de)(de)銅(tong)箔(bo)腐蝕去除，形成線路(lu)。后再以(yi)氫(qing)氧化鈉(na)水溶(rong)液(ye)(ye)將(jiang)功成身退(tui)的(de)(de)(de)(de)(de)干膜(mo)光阻(zu)洗除。對于(yu)六層(ceng)(ceng)(ceng)(ceng)(ceng)（含）以(yi)上(shang)的(de)(de)(de)(de)(de)內層(ceng)(ceng)(ceng)(ceng)(ceng)線路(lu)板(ban)以(yi)自(zi)動定位(wei)沖(chong)孔機沖(chong)出層(ceng)(ceng)(ceng)(ceng)(ceng)間(jian)(jian)線路(lu)對位(wei)的(de)(de)(de)(de)(de)鉚(liu)合基(ji)準孔。四層(ceng)(ceng)(ceng)(ceng)(ceng)電路(lu)板(ban)Multi-LayerBoards為了增加(jia)可以(yi)布線的(de)(de)(de)(de)(de)面(mian)積，多層(ceng)(ceng)(ceng)(ceng)(ceng)板(ban)用(yong)(yong)上(shang)了更多單或雙(shuang)面(mian)的(de)(de)(de)(de)(de)布線板(ban)。多層(ceng)(ceng)(ceng)(ceng)(ceng)板(ban)使用(yong)(yong)數(shu)(shu)片雙(shuang)面(mian)板(ban)，并在每層(ceng)(ceng)(ceng)(ceng)(ceng)板(ban)間(jian)(jian)放進(jin)一層(ceng)(ceng)(ceng)(ceng)(ceng)絕緣層(ceng)(ceng)(ceng)(ceng)(ceng)后黏牢（壓合）。板(ban)子的(de)(de)(de)(de)(de)層(ceng)(ceng)(ceng)(ceng)(ceng)數(shu)(shu)就了有幾層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)布線層(ceng)(ceng)(ceng)(ceng)(ceng)，通(tong)常層(ceng)(ceng)(ceng)(ceng)(ceng)數(shu)(shu)都是偶數(shu)(shu)，并且包含外側的(de)(de)(de)(de)(de)兩層(ceng)(ceng)(ceng)(ceng)(ceng)。大部分的(de)(de)(de)(de)(de)主(zhu)機板(ban)都是4到(dao)8層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)結構，不(bu)過(guo)技術上(shang)可以(yi)做(zuo)到(dao)近00層(ceng)(ceng)(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)PCB板(ban)。生產雙(shuang)面(mian)電路(lu)板(ban)，深圳(zhen)市邁(mai)瑞特電路(lu)科技有限(xian)公(gong)司就很好。

公司(si)擁有(you)各種(zhong)(zhong)先進的(de)(de)生產(chan)設(she)備、高(gao)素質的(de)(de)工程技術(shu)人員，以及日臻完善的(de)(de)管理和(he)服務體系。公司(si)產(chan)品用(yong)(yong)于通(tong)(tong)訊(xun)、計算機、工業控制、汽(qi)車(che)、家(jia)用(yong)(yong)電(dian)(dian)器(qi)和(he)航空航天等高(gao)科技領域(yu)，主要銷往歐(ou)洲、日本、美國、亞洲等電(dian)(dian)子廠商。公司(si)自成立以來不(bu)斷(duan)引進德國、日本、中(zhong)國等地區的(de)(de)先進設(she)備和(he)生產(chan)技術(shu)，致(zhi)力(li)于開發和(he)生產(chan)各種(zhong)(zhong)高(gao)密(mi)度和(he)高(gao)可(ke)靠性的(de)(de)電(dian)(dian)路(lu)(lu)板(ban)(ban)(ban)產(chan)品。產(chan)品符合IEC、IPC、DIN、MIN標準，獲(huo)ROHS、SGS、UL認證(zheng)，通(tong)(tong)過(guo)ISO-9002質量體系認證(zheng)及ISO14000環境(jing)體系認證(zheng)。也只能(neng)(neng)知道有(you)高(gao)低電(dian)(dian)平(ping)的(de)(de)輸出(chu)變(bian)化(hua).而(er)無法查出(chu)它的(de)(de)上升與下(xia)降(jiang)沿的(de)(de)速(su)度.四.晶(jing)體振蕩器(qi).通(tong)(tong)常只能(neng)(neng)用(yong)(yong)示波器(qi)(晶(jing)振需加電(dian)(dian))或頻(pin)率(lv)計測(ce)(ce)(ce)試(shi),萬用(yong)(yong)表(biao)等無法測(ce)(ce)(ce)量,否(fou)則只能(neng)(neng)采用(yong)(yong)代換法了..晶(jing)振常見故障(zhang)(zhang)(zhang)有(you):a.內(nei)部(bu)漏(lou)電(dian)(dian),b.內(nei)部(bu)開路(lu)(lu)c.變(bian)質頻(pin)偏(pian)d.相連(lian)電(dian)(dian)容漏(lou)電(dian)(dian).這里(li)漏(lou)電(dian)(dian)現象,用(yong)(yong)<測(ce)(ce)(ce)試(shi)儀>的(de)(de)VI曲(qu)線(xian)應能(neng)(neng)測(ce)(ce)(ce)出(chu)..整板(ban)(ban)(ban)測(ce)(ce)(ce)試(shi)時可(ke)采用(yong)(yong)兩(liang)種(zhong)(zhong)判斷(duan)方法:a.測(ce)(ce)(ce)試(shi)時晶(jing)振附近既周圍的(de)(de)有(you)關(guan)芯片不(bu)通(tong)(tong)過(guo).b.除晶(jing)振外沒找(zhao)到(dao)其它故障(zhang)(zhang)(zhang)點.4.晶(jing)振常見有(you)種(zhong)(zhong):a.兩(liang)腳.b.四腳,其中(zhong)第腳是加電(dian)(dian)源的(de)(de),注意不(bu)可(ke)隨意短路(lu)(lu).五.故障(zhang)(zhang)(zhang)現象的(de)(de)分布便攜式顯微鏡檢測(ce)(ce)(ce)電(dian)(dian)路(lu)(lu)板(ban)(ban)(ban).電(dian)(dian)路(lu)(lu)板(ban)(ban)(ban)故障(zhang)(zhang)(zhang)部(bu)位的(de)(de)不(bu)完全統計:)芯片損壞(huai)0%,)分立元件損壞(huai)0%,)連(lian)線(xian)(PCB板(ban)(ban)(ban)敷銅線(xian))斷(duan)裂0%,4)程序(xu)破壞(huai)或丟失(shi)0%。雙面電(dian)(dian)路(lu)(lu)板(ban)(ban)(ban)哪家(jia)好，深圳市邁瑞特電(dian)(dian)路(lu)(lu)科技有(you)限公司(si)好。湖州FPC電(dian)(dian)路(lu)(lu)板(ban)(ban)(ban)焊接(jie)

深(shen)圳市邁瑞特電(dian)路科技有限公司，有專業的生(sheng)產電(dian)路板(ban)設備。南通工業電(dian)路板(ban)

也只能(neng)(neng)知(zhi)道有高低電(dian)(dian)(dian)(dian)(dian)(dian)平的(de)(de)(de)輸(shu)出變化.而無法(fa)查(cha)出它(ta)(ta)的(de)(de)(de)上(shang)升(sheng)與下降沿的(de)(de)(de)速度.四.晶(jing)體振蕩(dang)器.通常(chang)只能(neng)(neng)用(yong)示波(bo)器(晶(jing)振需加電(dian)(dian)(dian)(dian)(dian)(dian))或頻率計(ji)(ji)測(ce)(ce)試(shi),萬用(yong)表等(deng)無法(fa)測(ce)(ce)量,否則只能(neng)(neng)采用(yong)代換法(fa)了..晶(jing)振常(chang)見故(gu)(gu)障(zhang)(zhang)(zhang)有:a.內部(bu)(bu)漏(lou)(lou)電(dian)(dian)(dian)(dian)(dian)(dian),b.內部(bu)(bu)開路(lu)c.變質頻偏d.相連電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)漏(lou)(lou)電(dian)(dian)(dian)(dian)(dian)(dian).這里漏(lou)(lou)電(dian)(dian)(dian)(dian)(dian)(dian)現象,用(yong)<測(ce)(ce)試(shi)儀>的(de)(de)(de)VI曲線應能(neng)(neng)測(ce)(ce)出..整板測(ce)(ce)試(shi)時可(ke)采用(yong)兩(liang)種判斷方(fang)法(fa):a.測(ce)(ce)試(shi)時晶(jing)振附近既(ji)周(zhou)圍的(de)(de)(de)有關芯片不通過.b.除晶(jing)振外沒(mei)找(zhao)到其(qi)它(ta)(ta)故(gu)(gu)障(zhang)(zhang)(zhang)點.4.晶(jing)振常(chang)見有種:a.兩(liang)腳.b.四腳,其(qi)中(zhong)(zhong)第腳是加電(dian)(dian)(dian)(dian)(dian)(dian)源的(de)(de)(de),注意不可(ke)隨意短路(lu).五.故(gu)(gu)障(zhang)(zhang)(zhang)現象的(de)(de)(de)分布便攜式顯微鏡檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板.電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板故(gu)(gu)障(zhang)(zhang)(zhang)部(bu)(bu)位的(de)(de)(de)不完全統計(ji)(ji):)芯片損(sun)壞0%,)分立(li)元件(jian)損(sun)壞0%,)連線(PCB板敷銅線)斷裂0%,4)程(cheng)(cheng)序破壞或丟失0%(有上(shang)升(sheng)趨(qu)勢)..由(you)上(shang)可(ke)知(zhi),當待修(xiu)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板出現聯線和程(cheng)(cheng)序有問(wen)題時,又(you)沒(mei)有好板子(zi)(zi)(zi)(zi),既(ji)不熟悉它(ta)(ta)的(de)(de)(de)連線,找(zhao)不到原(yuan)程(cheng)(cheng)序.此板修(xiu)好的(de)(de)(de)可(ke)能(neng)(neng)性(xing)就不大了.[]電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板兼容(rong)設計(ji)(ji)編輯(ji)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)兼容(rong)性(xing)是指電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)設備在(zai)各種電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)環境中(zhong)(zhong)仍(reng)能(neng)(neng)夠(gou)協調、有效地進行工(gong)(gong)作的(de)(de)(de)能(neng)(neng)力。目的(de)(de)(de)是使電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)設備既(ji)能(neng)(neng)抑電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板(6張)制各種外來的(de)(de)(de)干(gan)擾(rao)(rao)，使電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)設備在(zai)特定的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)環境中(zhong)(zhong)能(neng)(neng)夠(gou)正常(chang)工(gong)(gong)作，同時又(you)能(neng)(neng)減少電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)設備本身對其(qi)它(ta)(ta)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)(zi)設備的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)干(gan)擾(rao)(rao)。南通工(gong)(gong)業電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)板