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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="zjh7vbx" class="twoCol"><div id="r55f5xl" class="page-proshow clearfix"><p class="current"> 當(dāng)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>?天津smt貼片加工企業(yè) 來電咨詢中山市浩明電子科技供應(yīng)</p><div id="zxn5trx" class="leftbox clearfix"><h1>天津smt貼片加工企業(yè) 來電咨詢中山市浩明電子科技供應(yīng)</h1><div id="rv3vbfr" class="proBig"><div id="rnbhvjr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r5f3pvl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="njzxdhp" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>天津smt貼片加工企業(yè),SMT貼片</p><p><span>***更新：</span>2020-12-20 09:12:33</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="l35xlbz" 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(jī): </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(dāng)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="fzpv53z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bfl5r7l" class="box"><p><p style="text-indent:25px">SMT是表面組裝技術(shù)（表面貼裝技術(shù)），是目前電子組裝行業(yè)里非常流行的一種技術(shù)和工藝。SMT將傳統(tǒng)的電子元器件壓縮成為體積只有幾十分之一的器件,從而實(shí)現(xiàn)了電子產(chǎn)品組裝的高密度、高可靠、小型化、低成本，以及生產(chǎn)的自動(dòng)化。正是因?yàn)镾MT的這些特性，人們生產(chǎn)出各種小巧輕便的產(chǎn)品，天津smt貼片加工企業(yè)。以前的大屁股電視機(jī)，電腦，天津smt貼片加工企業(yè)，厚厚的收音機(jī)……都已經(jīng)成為歷史，技術(shù)的革新給我們帶來了徹底的改變。人們?cè)僖膊灰驗(yàn)榉烹娨曊业胤蕉鵁?，天津smt貼片加工企業(yè)，再也不必因?yàn)榛丶叶鴵?dān)心自己買的電腦帶不回家。SMT貼片加工中錫膏本身的粘性不夠，元器件在搬運(yùn)時(shí)發(fā)生振蕩、搖晃等問題而造成了元器件移位。天津smt貼片加工企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津smt貼片加工企業(yè),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png"></div><p style="text-indent:25px">SMT貼片加工要求各裝配位號(hào)元器件的類型、型號(hào)、標(biāo)稱值和極性等特征標(biāo)記要符合產(chǎn)品的裝配圖和BOM表要求，不能貼錯(cuò)位置。SMT貼片加工時(shí)元器件的端頭或引腳均和焊盤圖形要盡量對(duì)齊、居中，還要確保元件焊端接觸焊膏圖形。兩個(gè)端頭的Chip元件自定位效應(yīng)的作用比較大，貼裝時(shí)元件寬度方向有3/4以上搭接在焊盤上,長度方向兩個(gè)端頭只要搭接到相應(yīng)的焊盤上并接觸焊膏圖形，再流焊時(shí)就能夠自定位，但如果其中一個(gè)端頭沒有搭接到焊盤上或沒有接觸焊膏圖形，再流焊時(shí)就會(huì)產(chǎn)生移位或吊橋；BGA的焊球與相對(duì)應(yīng)的焊盤一一對(duì)齊；焊球的中心與焊盤中心的較大偏移量小于1/2焊球直徑?；葜軸MT貼片報(bào)價(jià)在一般選擇了SMT貼片加工之后，相應(yīng)的功能情況下電子產(chǎn)品的整體體積會(huì)減少40%~60%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津smt貼片加工企業(yè),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258666201172/1858767.png"></div><p style="text-indent:25px">SMT貼片可以設(shè)計(jì)的更輕薄短小，零件變得更小，電路板的體積也會(huì)變得更?。辉O(shè)計(jì)出更先進(jìn)的產(chǎn)品，可以讓電子產(chǎn)品應(yīng)用到更多領(lǐng)域，比如CPU和智能手機(jī)；適合大量生產(chǎn)，因?yàn)镾MT技術(shù)代替了人工插件作業(yè)，以自動(dòng)化貼片機(jī)來放置電子零件，所以更適合大量生產(chǎn)出***的產(chǎn)品，并且更穩(wěn)定。降低生產(chǎn)成本，SMT整線設(shè)備基本實(shí)現(xiàn)了全自動(dòng)化，從印刷機(jī)到貼片機(jī)再到回流焊，不*提高了產(chǎn)能，同時(shí)降低了人力成本。貼片價(jià)錢稍微高一點(diǎn)的廠家，會(huì)有質(zhì)量控制流程，也能提供更好的交貨周期和效力?？蛻舾鶕?jù)自身情況，選擇SMT貼片供應(yīng)商。</p><p style="text-indent:25px">SMT貼片的檢測(cè)內(nèi)容主要分為來料檢測(cè)、工序檢測(cè)及表面組裝板檢測(cè)等，工序檢測(cè)中發(fā)現(xiàn)的質(zhì)量問題通過返工可以得到糾正。來料檢測(cè)、焊膏印刷后，以及焊前檢測(cè)中發(fā)現(xiàn)的不合格品返工成本比較低，對(duì)電子產(chǎn)品可靠性的影響也比較小。但是焊后不合格品的返工就大不相同了，因?yàn)楹负蠓倒ば枰夂敢院笾匦潞附樱诵枰r(shí)、材料，還可能損壞元器件和線路板。由于有的元器件是不可逆的，如需要底部填充的Flip chip，還有。BGA、CSP返修后需要重新植球，對(duì)于埋置技術(shù)、多芯片堆疊等產(chǎn)品更加難以修復(fù)，所以焊后返工損失較大需戴防靜電手套、PU涂層手套。SMT貼片指的是在pcb基礎(chǔ)上進(jìn)行加工的的系列工藝流程的簡稱PCB。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津smt貼片加工企業(yè),SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258632216797/5876714.png"></div><p style="text-indent:25px">貼片工藝：雙面組裝A：來料檢測(cè) => PCB的A面絲印焊膏（點(diǎn)貼片膠）=> 貼片 PCB的B面絲印焊膏（點(diǎn)貼片膠）=> 貼片 =>烘干 => 回流焊接（還不錯(cuò)的*對(duì)B面 => 清洗 => 檢測(cè) => 返修）。B：來料檢測(cè) => PCB的A面絲印焊膏（點(diǎn)貼片膠）=> 貼片 => 烘干（固化）=>A面回流焊接 => 清洗 => 翻板 = PCB的B面點(diǎn)貼片膠 => 貼片 => 固化 =>B面波峰焊 => 清洗 => 檢測(cè) => 返修）此工藝適用于在PCB的A面回流焊，B面波峰焊。在PCB的B面組裝的SMD中，只有SOT或SOIC（28）引腳以下時(shí)，宜采用此工藝。點(diǎn)膠：它是將膠水滴到PCB板的固定位置上，其主要作用是將元器件固定到PCB板上?；葜軸MT貼片報(bào)價(jià)</p><p style="text-indent:25px">加工SMT貼片小批量貴是因?yàn)闆]有太多的數(shù)量來分?jǐn)傁鄳?yīng)的費(fèi)用。天津smt貼片加工企業(yè)</p><p style="text-indent:25px">SMT貼片封裝技術(shù)的定位已從連接、組裝等一般性生產(chǎn)技術(shù)逐步演變?yōu)閷?shí)現(xiàn)高度多樣化電子信息設(shè)備的一個(gè)關(guān)鍵技術(shù)。更高密度、更小凸點(diǎn)、無鉛工藝等需要全新的封裝技術(shù)，更能適應(yīng)消費(fèi)電子產(chǎn)品市場(chǎng)快速變化的需求。封裝技術(shù)的推陳出新，也已成為半導(dǎo)體及電子制造技術(shù)繼續(xù)發(fā)展的有力推手，并對(duì)半導(dǎo)體前道工藝和表面貼裝技術(shù)的改進(jìn)產(chǎn)生著重大影響。如果說倒裝芯片凸點(diǎn)生成是半導(dǎo)體前道工藝向后道封裝的延伸，那么，基于引線鍵合的硅片凸點(diǎn)生成則是封裝技術(shù)向前道工藝的擴(kuò)展。天津smt貼片加工企業(yè)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2485212.html</p></div></div></div></div></div><div id="hlbhvph" class="page-right twoColRt"><div id="tjpnbxv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ttj33zh" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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