鎮(zhèn)江smt貼片代加工來電咨詢中山市浩明電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="隨著電子行業(yè)的不斷進(jìn)步發(fā)展，SMT表面組裝技術(shù)也愈加成熟，設(shè)備和功能也在不斷完善，SMT貼片加工技術(shù)已經(jīng)逐漸取代傳統(tǒng)插裝技術(shù)，成為電子組裝行業(yè)里非常流行的一種工藝技術(shù)。SMT貼片加工技術(shù)為什么會(huì)如此流行呢？一起來看看它的特點(diǎn)就知道了。一、電"><meta name="keywords" content="鎮(zhèn)江smt貼片代加工,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 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>鎮(zhèn)江smt貼片代加工,SMT貼片</p><p><span>***更新：</span>2021-01-08 07:10:50</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="mgnpwxz" 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="ke2z8qn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bqs2evh" class="box"><p><p style="text-indent:25px">隨著電子行業(yè)的不斷進(jìn)步發(fā)展，SMT表面組裝技術(shù)也愈加成熟，設(shè)備和功能也在不斷完善，SMT貼片加工技術(shù)已經(jīng)逐漸取代傳統(tǒng)插裝技術(shù)，成為電子組裝行業(yè)里非常流行的一種工藝技術(shù)。SMT貼片加工技術(shù)為什么會(huì)如此流行呢？一起來看看它的特點(diǎn)就知道了。一、電子產(chǎn)品體積小，組裝密度高SMT貼片元件的體積*為傳統(tǒng)封裝元件的10%左右，重量也只為傳統(tǒng)插裝元件的10%。SMT技術(shù)通?？墒闺娮赢a(chǎn)品的體積減少40%~60%，使質(zhì)量減少60%~80%，面積和重量都大幅度減少。SMT貼片加工組裝元件網(wǎng)格已從1.27mm發(fā)展到目前的0.63mm網(wǎng)格，部分已達(dá)到0.5mm網(wǎng)格，鎮(zhèn)江smt貼片代加工，鎮(zhèn)江smt貼片代加工。采用通孔安裝技術(shù)，可提高組裝密度，鎮(zhèn)江smt貼片代加工。SMT貼片加工中一旦出現(xiàn)元器件移位，就會(huì)影響電路板的使用性能。鎮(zhèn)江smt貼片代加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江smt貼片代加工,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258851230469/6773526.png"></div><p style="text-indent:25px">SMT貼片表面安裝元器件在功能上和插裝元器件沒有差別，其不同之處在于元器件的封裝。表面安裝的封裝在焊接時(shí)要經(jīng)受耐高溫度的元器件和基板必須具有匹配的熱膨脹系數(shù)。表面安裝的焊點(diǎn)既是機(jī)械連接點(diǎn)又是電氣連接點(diǎn)，合理的選擇對(duì)提高PCB設(shè)計(jì)密度、可生產(chǎn)性、可測(cè)試性和可靠性都產(chǎn)生決定性的影響。這些因素在產(chǎn)品設(shè)計(jì)中必須全盤考慮。選擇合適的封裝，其優(yōu)點(diǎn)主要是：1有效節(jié)省PCB面積；2提供更好的電學(xué)性能；3對(duì)元器件的內(nèi)部起保護(hù)作用，免受潮濕等環(huán)境影響；4提供良好的通信聯(lián)系；幫助散熱并為傳送和測(cè)試提供方便。江門一站式SMT貼片訂單SMT貼片加工技術(shù)是實(shí)現(xiàn)電子產(chǎn)品小型化、高集成不可缺少重要貼裝工藝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江smt貼片代加工,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258666201172/1858767.png"></div><p style="text-indent:25px">單面混裝工藝：來料檢測(cè) => PCB的A面絲印焊膏（點(diǎn)貼片膠）=> 貼片 =>烘干（固化）=>回流焊接 => 清洗 => 插件 => 波峰焊 => 清洗 => 檢測(cè) => 返修。雙面混裝工藝：A：來料檢測(cè) =>PCB的B面點(diǎn)貼片膠 => 貼片 => 固化 => 翻板 => PCB的A面插件=> 波峰焊 => 清洗 => 檢測(cè) => 返修；先貼后插，適用于SMD元件多于分離元件的情況。B：來料檢測(cè) => PCB的A面插件（引腳打彎）=> 翻板 => PCB的B面點(diǎn)貼片膠 =>貼片 => 固化 => 翻板 => 波峰焊 => 清洗 => 檢測(cè) => 返修。先插后貼，適用于分離元件多于SMD元件的情況。</p><p style="text-indent:25px">電子產(chǎn)品追求小型化，以前使用的穿孔插件元件已無(wú)法縮小。電子產(chǎn)品功能更完整，所采用的集成電路(IC)已無(wú)穿孔元件，特別是大規(guī)模、高集成IC，不得不采用表面貼片元件。產(chǎn)品批量化，生產(chǎn)自動(dòng)化，廠方要以低成本高產(chǎn)量，出產(chǎn)較好產(chǎn)品以迎合顧客需求及加強(qiáng)市場(chǎng)競(jìng)爭(zhēng)力電子元件的發(fā)展，集成電路(IC)的開發(fā)，半導(dǎo)體材料的多元應(yīng)用。電子科技**勢(shì)在必行，追逐國(guó)際潮流?？梢韵胂螅趇ntel、amd等國(guó)際cpu、圖像處理器件的生產(chǎn)商的生產(chǎn)工藝精進(jìn)到20幾個(gè)納米的情況下，smt這種表面組裝技術(shù)和工藝的發(fā)展也是不得以而為之的情況。SMT貼片加工技術(shù)目前已普遍應(yīng)在電子行業(yè)中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江smt貼片代加工,SMT貼片" src="https://tyunfile.71360.com/UploadFile/haomingdianzi/637330258831015625/5527413.png"></div><p style="text-indent:25px">因?yàn)镾MT貼片無(wú)鉛焊接溫度比有鉛焊接高，尤其大尺寸、多層板，以及有熱容量大的元器件時(shí)，峰值溫度往往要達(dá)到260℃左右，冷卻凝固到室溫的溫差大，因此，無(wú)鉛焊點(diǎn)的應(yīng)力也比較大。再加上較多的IMC，IMC的熱膨脹系數(shù)比較大，在高溫工作或強(qiáng)機(jī)械沖擊下容易產(chǎn)生開裂。QFP、Chp元件及BGA焊點(diǎn)空洞，分布在焊接界面的空洞會(huì)影響PCBA中個(gè)元器件的連接強(qiáng)度；SOJ引腳焊點(diǎn)裂紋及BGA焊球與焊盤界面的裂紋缺陷，焊點(diǎn)裂紋和焊接界面的裂紋都會(huì)影響PCBA產(chǎn)品的長(zhǎng)期可靠性。另一類是處于焊接界面的空洞(或稱微孔)，這類空洞非常小，甚至只有通過掃描電子顯微鏡（SEM）才能發(fā)現(xiàn)?？斩吹奈恢煤头植伎赡苁窃斐呻娺B接失效的潛在原因。特別是功率元件空洞測(cè)會(huì)使元件熱阻增大，造成失效。研究表明，焊接界面的空洞（微孔）主要是由于Cu的高溶解性造成的。由于無(wú)鉛焊料的熔點(diǎn)高，而且又是高Sn焊料，Cu在無(wú)鉛焊接時(shí)的溶解速度比Sn-Pb焊接時(shí)高許多。無(wú)鉛焊料中銅的高溶解性會(huì)在銅與焊料的界面產(chǎn)生“空洞”，隨著時(shí)間的推移，這些空洞有可能會(huì)削弱焊點(diǎn)的可靠性。制作首件時(shí)發(fā)現(xiàn)時(shí)實(shí)物與SMT貼片位置圖的參數(shù)不一致時(shí)，我們先核對(duì)其原始BOM，查一下到底是哪一個(gè)環(huán)節(jié)出錯(cuò)。惠州邦定SMT貼片多少錢</p><p style="text-indent:25px">形形**的電器需要各種不同的smt貼片加工工藝來加工。鎮(zhèn)江smt貼片代加工</p><p style="text-indent:25px">SMT是怎么樣將電子零件焊接到電路板上？答案就是錫膏（SMT貼片加工中錫膏有哪幾種類，存儲(chǔ)及使用環(huán)境的基本認(rèn)識(shí)-江西英特麗電子科技有限公司）只要把錫膏印刷在需要焊接零件的焊盤上面，然后再放上電子零件，焊腳要?jiǎng)偤梅旁阱a膏的位置，讓錫膏經(jīng)過高溫回流焊，爐子內(nèi)的高溫高過錫膏的熔點(diǎn)（不可以高到燒壞電子零件的溫度），爐子高溫將錫膏融化。錫膏變成液體，液體的錫膏將包裹住電子零件的焊腳，等經(jīng)過爐子冷卻區(qū)后錫膏重新變回固體，就會(huì)將電子零件牢固的焊接在電路板上面。鎮(zhèn)江smt貼片代加工</p><p style="text-indent:25px">中山市浩明電子科技有限公司擁有SMT (貼片)+COB(邦定) 來料代加工，擁有8條高精細(xì)全自動(dòng)生產(chǎn)線，可貼裝 0402 、 0201 、SOT 、SOP 、BGA 、FPC插座、USB接口、QFP 、QFN 、PLCC 等各類高精細(xì) 異形元件，有3臺(tái)COB邦機(jī)，全自動(dòng)固晶機(jī)、封膠機(jī)，能高的效率 ***完成邦定需求。等多項(xiàng)業(yè)務(wù)，主營(yíng)業(yè)務(wù)涵蓋smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡。目前我公司在職員工以90后為主，是一個(gè)有活力有能力有創(chuàng)新精神的團(tuán)隊(duì)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡。公司深耕smt貼片，智能電子鎖，藍(lán)牙系列，網(wǎng)絡(luò)直播聲卡，正積蓄著更大的能量，向更廣闊的空間、更寬泛的領(lǐng)域拓展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2755391.html</p></div></div></div></div></div><div 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