江蘇貼片電容1206 中山市浩明電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="IPQC需利用電橋（LCR表）、萬用表和貼片位置圖來檢查首件，用電橋測量電容和0402電阻的容值、阻值是否與BOM一致，再檢查元器件的絲印、方向是否與stm貼片位置圖一致。在測試首件過程中，我們用貼片位置圖（必須是執(zhí)行較新ECN的）上的參數(shù)"><meta name="keywords" content="江蘇貼片電容1206,SMT貼片"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="home-main container clearfix"><div id="zoqs7fh" class="twoCol"><div id="qdfm9xz" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/third-dzyqj_kcdzyqjcl/">庫存電子元器件、材料</a>?江蘇貼片電容1206 中山市浩明電子科技供應(yīng)</p><div id="rfctneg" class="leftbox clearfix"><h1>江蘇貼片電容1206 中山市浩明電子科技供應(yīng)</h1><div id="wv7kctf" class="proBig"><div id="bqpbq8u" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258735019532/2382925.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k8aspy2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258735019532/2382925.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f2elnub" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇貼片電容1206,SMT貼片</p><p><span>***更新：</span>2020-09-21 14:10:07</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="a8pryvi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中山市浩明電子科技有限公司</a></p><p><span>聯(lián)系人：</span>劉江波</p><p><span>郵箱: </span>smtdong@126.com</p><p><span>電話: </span>13590701587</p><p><span>傳真: </span>0760_23880308</p><p><span>網(wǎng)址: </span>http://www.haomiandianzi.shop.88360.com</p><p><span>手機: </span>0760-23880308</p><p><span>地址: </span>東區(qū)白沙灣第二工業(yè)區(qū)C2幢4樓</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="p8p2pry" class="page-proshow02"><p class="title">詳細說明</p><div id="fvmovbd" class="box"><p><p style="text-indent:25px">IPQC需利用電橋（LCR表）、萬用表和貼片位置圖來檢查首件，用電橋測量電容和0402電阻的容值、阻值是否與BOM一致，再檢查元器件的絲印、方向是否與stm貼片位置圖一致。在測試首件過程中，我們用貼片位置圖（必須是執(zhí)行較新ECN的）上的參數(shù)來核對PCB上元器件的參數(shù)。所有的電容需用LCR表測試，在測的時候盡量按同一個方向測試，以免有漏測現(xiàn)象。如是0402的電阻也需用LCR表測試，大于0402的電阻及其它物料需核對其絲印、方向是否正確，物料的方向一般以PCB板方向為標準（如果貼片位置圖的方向與PCB的方向不一致時，江蘇貼片電容1206，需找相關(guān)人員確認），江蘇貼片電容1206，確保無多料、少料，江蘇貼片電容1206、錯件、錯位、反向、移位等不良現(xiàn)象。SMT貼片加工廠在貼片加工中需要注意哪些環(huán)節(jié)?江蘇貼片電容1206</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電容1206,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258735019532/2382925.png"></div><p style="text-indent:25px">在SMT貼片加工中，隨著PCBA電路板的集成度越來越高，集成電路的內(nèi)絕緣層越來越薄，這個怎么解釋呢？大家可以從相關(guān)芯片的制程能力新聞中可以窺探一二，比如說5nm的制程工藝在指甲蓋大小的體積內(nèi)要塞進上百億個晶體管，可想而知精密度的大小問題。那么就會牽扯到互連導(dǎo)線寬度與間距的問題，毋庸置疑間距是越來越小的。例如，CMOS器件絕緣層的典型厚度約為0.Ium，其相應(yīng)耐擊穿電壓在80～100V：VMOS器件的絕緣層更海，擊穿電壓為30V。而在電子產(chǎn)品制造及運輸、存儲等過程中所產(chǎn)生的靜電電壓遠遠超過CMOS器件的擊穿電壓，往往會使器件產(chǎn)生硬擊穿或軟擊穿（器件局部損傷）現(xiàn)象，使其失效或嚴重影響產(chǎn)品的可靠性。天津smt貼片電子廠SMT貼片表面需要完整而平滑光亮，不能有缺陷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電容1206,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258869951172/8176008.png"></div><p style="text-indent:25px">SMT貼片加工過程需注意事項： 1、SMT貼片技術(shù)員佩戴好檢驗OK的靜電環(huán)，插件前檢查每個訂單的電子元件無錯/混料、破損、變形、劃傷等不良現(xiàn)象 2、電路板的插件板需要提前把電子物料準備好，注意電容極性方向須正確無誤 3、SMT印刷作業(yè)完畢后進行無漏插、反插、錯位等不良產(chǎn)品的檢查，將良好的上錫完成品流入下一工序。 4、SMT貼片組裝作業(yè)前請配戴靜電環(huán),金屬片緊貼手腕皮膚并保持接地良好,雙手交替作業(yè)。 5、?USB/IF座子/屏蔽罩/高頻頭/網(wǎng)口端子等金屬元件,插件時須戴手指套作業(yè)。 6、所插元器件位置、方向須正確無誤,元件平貼板面,架高元件必須插到K腳位置。 7、如有發(fā)現(xiàn)物料與SOP以及BOM表上規(guī)格不一致時,須及時向班/組長報告。 8、物料需輕拿輕放不可將經(jīng)過SMT前期工序的PCB板掉落而導(dǎo)致元件受損,晶振掉落不可使用。 9、上下班前請將工作臺面整理干凈,并保持清潔。 10、嚴格遵守作業(yè)區(qū)操作規(guī)則，首件檢測區(qū)、待檢區(qū)、不良區(qū)、維修區(qū)、少料區(qū)的產(chǎn)品嚴禁私自隨意擺放，上下班交接要注明未完工序。</p><p style="text-indent:25px">SMT貼片加工中造成空洞、裂紋的原因很多，主要有以下方面因素： 1、焊接面（PCB焊盤與元件焊端表面）存在浸潤不良； 2、焊料氧化； 3、焊接面各種材料的膨脹系數(shù)不匹配，焊點凝固時不平穩(wěn)； 4、再流焊溫度曲線的設(shè)置未能使焊音中的有機揮發(fā)物及水分在進入回流區(qū)前揮發(fā)。無鉛焊料的問題是高溫、表面張力大、黏度大。表面張力的增加勢必會使氣體在冷卻階段的外逸更困難，氣體不容易排出來，使空洞的比例增加。因此，SMT貼片中無鉛焊點中的氣孔、空洞比較多。SMT貼片加工中焊點的質(zhì)量與可靠性決定了電子產(chǎn)品的質(zhì)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇貼片電容1206,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258831015625/5527413.png"></div><p style="text-indent:25px">SMT貼片加工廠在貼片加工中需要注意哪些環(huán)節(jié)： 1、生產(chǎn)車間的溫濕度。根據(jù)電子加工車間的行業(yè)標準，它規(guī)定了SMT加工廠的環(huán)境溫度值在25±3℃之間，濕度值在：0.01%RH之間。因為整個加工過程中有很多的精密元器件，對溫濕度極其敏感。同時相對的濕度對靜電的管控和處理有非常大的益處。 2、專業(yè)的操作人員。因為SMT這個環(huán)節(jié)的工序流程必須要細致，所有工序看起來很簡單。但是如果不是很熟練的操作員就容易出現(xiàn)因為細節(jié)管控不到位導(dǎo)致SMT焊點可靠性不高、焊點缺陷率高。因此SMT貼片機需要經(jīng)過專業(yè)的培訓(xùn)之后才能正式上崗。經(jīng)過培訓(xùn)上崗的員工不僅能夠提高生產(chǎn)效率，而且還能提高良品率。SMT貼片加工固化：其作用是將貼片膠融化，從而使表面組裝元器件與PCB板牢固粘接在一起。天津smt貼片電子廠</p><p style="text-indent:25px">SMT貼片氣路模組:氣路是貼片機正常運作的關(guān)鍵因素，包括電磁閥、真空發(fā)生裝置、氣缸部分。江蘇貼片電容1206</p><p style="text-indent:25px">隨著SMT貼片加工的飛速發(fā)展,不但元器件的尺寸越來越小、SMT貼片元件密度越來越高,而且還不斷推出新型封裝形式,為了適應(yīng)高密度、高難度的電路板組裝技術(shù)的需要,貼裝機正在向高速度、高精度、多功能和模塊化、智能化方向發(fā)展。貼片加工設(shè)備的高速度：1.“飛行對中”技術(shù)。飛行對中技術(shù)把CCD圖像傳感器直接安裝在貼裝頭上,一起運動,實現(xiàn)了在拾起器件后,在運動到印制電路板貼裝位置的過程中對元件進行光學對中。2.高速SMT貼片機模塊化。3.雙路輸送結(jié)構(gòu)。在保留傳統(tǒng)單路貼裝機的性能下,將PCB的輸送、定位、檢測等設(shè)計成雙路結(jié)構(gòu),這種雙路結(jié)構(gòu)的貼裝機,其工作方式可分為同步方式和異步方式。同步方式運轉(zhuǎn)時,完成兩塊大小相同的印制板的器件貼裝;異步方式運轉(zhuǎn)時,當一塊印制板在進行器件貼裝時,另一塊印制板完成傳送、基準對準、壞板檢查等步驟,從而提高SMT加工廠的生產(chǎn)效率。江蘇貼片電容1206</p><p style="text-indent:25px">中山市浩明電子科技有限公司總部位于東區(qū)白沙灣第二工業(yè)區(qū)C2幢4樓，是一家SMT (貼片)+COB(邦定) 來料代加工，擁有8條高精密全自動生產(chǎn)線，可貼裝 0402 、 0201 、SOT 、SOP 、BGA 、FPC插座、USB接口、QFP 、QFN 、PLCC 等各類高精密異形元件，有3臺COB邦機，全自動固晶機、封膠機，能高效率 ***完成邦定需求。的公司。公司自創(chuàng)立以來，投身于汽車周邊產(chǎn)品，智能電子鎖，藍牙系列，網(wǎng)絡(luò)直播聲卡，是電子元器件的主力軍。浩明電子繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。浩明電子始終關(guān)注電子元器件行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1369287.html</p></div></div></div></div></div><div id="eyfcjqh" class="page-right twoColRt"><div id="pjqnubi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ynprjv3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="cqs88za" 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