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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nr7tfrb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346381941857/3039823.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="97jnbnb" 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>電子束蒸發(fā)真空鍍膜公司,真空鍍膜</p><p><span>***更新：</span>2021-01-04 04:22:23</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="fzdz7dx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廣東省科學(xué)院半導(dǎo)體研究所</a></p><p><span>聯(lián)系人：</span>曾昭燴</p><p><span>郵箱: </span>512480780@qq.com</p><p><span>電話: </span>15018420573</p><p><span>傳真: </span>020_</p><p><span>網(wǎng)址: </span>http://www.gdssli.com</p><p><span>手機(jī): </span>020-61086422</p><p><span>地址: </span>長(zhǎng)興路363號(hào)</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="frnbhhd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="95fljxj" class="box"><p><p style="text-indent:25px">影響靶中毒的因素主要是反應(yīng)氣體和濺射氣體的比例，反應(yīng)氣體過(guò)量就會(huì)導(dǎo)致靶中毒。反應(yīng)濺射工藝進(jìn)行過(guò)程中靶表面濺射區(qū)域內(nèi)出現(xiàn)被反應(yīng)生成物覆蓋或反應(yīng)生成物被剝離而重新暴露金屬表面此消彼長(zhǎng)的過(guò)程。如果化合物的生成速率大于化合物被剝離的速率，化合物覆蓋面積增加。在一定功率的情況下，參與化合物生成的反應(yīng)氣體量增加，化合物生成率增加，電子束蒸發(fā)真空鍍膜公司。如果反應(yīng)氣體量增加過(guò)度，化合物覆蓋面積增加，如果不能及時(shí)調(diào)整反應(yīng)氣體流量，化合物覆蓋面積增加的速率得不到防止，濺射溝道將進(jìn)一步被化合物覆蓋，當(dāng)濺射靶被化合物全部覆蓋的時(shí)候，電子束蒸發(fā)真空鍍膜公司，靶完全中毒，不能繼續(xù)濺射LPCVD主要特征是因?yàn)樵诘蛪涵h(huán)境下，電子束蒸發(fā)真空鍍膜公司，反應(yīng)氣體的平均自由程及擴(kuò)散系數(shù)變大，膜厚均勻性好、臺(tái)階覆蓋性好。電子束蒸發(fā)真空鍍膜公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子束蒸發(fā)真空鍍膜公司,真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346381941857/3039823.png"></div><p style="text-indent:25px">PECVD工藝中由于等離子體中高速運(yùn)動(dòng)的電子撞擊到中性的反應(yīng)氣體分子，就會(huì)使中性反應(yīng)氣體分子變成碎片或處于活動(dòng)的狀態(tài)容易發(fā)生反應(yīng)，以在襯底在300-350℃就可以得到良好的氧化硅或者氮化硅薄膜，可以在器件當(dāng)中作為鈍化絕緣層，來(lái)提高器件的可靠性。等離子體化學(xué)氣相沉積法，利用了等離子體的活性來(lái)促進(jìn)反應(yīng)，使化學(xué)反應(yīng)能在較低的溫度下進(jìn)行。優(yōu)點(diǎn)是：反應(yīng)溫度降低，沉積速率較快，成膜質(zhì)量好，不容易破裂。缺點(diǎn)是：設(shè)備投資大、對(duì)氣管有特殊要求。廣東光電器件真空鍍膜加工平臺(tái)PECVD主要由工藝管及加熱爐、推舟系統(tǒng)、氣路系統(tǒng)、電氣系統(tǒng)、計(jì)算機(jī)系統(tǒng)、真空系統(tǒng)6大部分組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子束蒸發(fā)真空鍍膜公司,真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346254001587/8480104.png"></div><p style="text-indent:25px">電子束蒸發(fā)：將蒸發(fā)材料置于水冷坩堝中，利用電子束直接加熱使蒸發(fā)材料汽化并在襯底上凝結(jié)形成薄膜，是蒸度高熔點(diǎn)薄膜和高純薄膜的一種主要加熱方法。真空鍍膜技術(shù)一般分為兩大類，即物理的氣相沉積技術(shù)和化學(xué)氣相沉積技術(shù)。物理的氣相沉積技術(shù)是指在真空條件下，利用各種物理方法，將鍍料氣化成原子、分子或使其離化為離子，直接沉積到基體表面上的方法。制備硬質(zhì)反應(yīng)膜大多以物理的氣相沉積方法制得，它利用某種物理過(guò)程，如物質(zhì)的熱蒸發(fā)，或受到離子轟擊時(shí)物質(zhì)表面原子的濺射等現(xiàn)象，實(shí)現(xiàn)物質(zhì)原子從源物質(zhì)到薄膜的可控轉(zhuǎn)移過(guò)程。</p><p style="text-indent:25px">反應(yīng)濺射工藝進(jìn)行過(guò)程中靶表面濺射區(qū)域內(nèi)出現(xiàn)被反應(yīng)生成物覆蓋或反應(yīng)生成物被剝離而重新暴露金屬表面此消彼長(zhǎng)的過(guò)程。如果化合物的生成速率大于化合物被剝離的速率，化合物覆蓋面積增加。在一定功率的情況下，參與化合物生成的反應(yīng)氣體量增加，化合物生成率增加。如果反應(yīng)氣體量增加過(guò)度，化合物覆蓋面積增加，如果不能及時(shí)調(diào)整反應(yīng)氣體流量，化合物覆蓋面積增加的速率得不到防止，濺射溝道將進(jìn)一步被化合物覆蓋，當(dāng)濺射靶被化合物全部覆蓋的時(shí)候，靶完全中毒，不能繼續(xù)濺射。影響靶中毒的因素主要是反應(yīng)氣體和濺射氣體的比例，反應(yīng)氣體過(guò)量就會(huì)導(dǎo)致靶中毒。利用PECVD生長(zhǎng)的氮化硅薄膜臺(tái)階覆蓋性比較好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子束蒸發(fā)真空鍍膜公司,真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346342615469/8583772.png"></div><p style="text-indent:25px">在薄膜生長(zhǎng)過(guò)程中，各種副產(chǎn)物從膜的表面逐漸脫離，在真空泵的作用下從出口排出?；瘜W(xué)氣相沉積法（CVD）是一種利用化學(xué)反應(yīng)的方式，將反應(yīng)氣體生成固態(tài)的產(chǎn)物，并沉積在基片表面的薄膜沉積技術(shù)。主要有常壓CVD、LPCVD（低壓氣相沉積法）、PECVD（等離子體增強(qiáng)氣相沉積法）等方法。PECVD反應(yīng)過(guò)程中，反應(yīng)氣體從進(jìn)氣口進(jìn)入爐腔，逐漸擴(kuò)散至襯底表面，在射頻源激發(fā)的電場(chǎng)作用下，反應(yīng)氣體分解成電子、離子和活性基團(tuán)等。分解物發(fā)生化學(xué)反應(yīng)，生成形成膜的初始成分和副反應(yīng)物，這些生成物以化學(xué)鍵的形式吸附到樣品表面，生成固態(tài)膜的晶核，晶核逐漸生長(zhǎng)成島狀物，島狀物繼續(xù)生長(zhǎng)成連續(xù)的薄膜。磁控濺射由于其內(nèi)部電場(chǎng)的存在，還可在襯底端引入一個(gè)負(fù)偏壓，使濺射速率和材料粒子的方向性增加。廣東光電器件真空鍍膜加工平臺(tái)</p><p style="text-indent:25px">PECVD當(dāng)中沉積速率過(guò)快，會(huì)導(dǎo)致氧化硅薄膜速率過(guò)快，說(shuō)明薄膜質(zhì)量比較差。電子束蒸發(fā)真空鍍膜公司</p><p style="text-indent:25px">使用等離子體增強(qiáng)氣相沉積法（PECVD）可在低溫（200-350℃）沉積出良好的氧化硅薄膜，已被普遍應(yīng)用于半導(dǎo)體器件工藝當(dāng)中。在LED工藝當(dāng)中，因?yàn)镻ECVD生長(zhǎng)出的氧化硅薄膜具有結(jié)構(gòu)致密，介電強(qiáng)度高、硬度大等優(yōu)點(diǎn)，而且氧化硅薄膜對(duì)可見(jiàn)光波段吸收系數(shù)很小，所以氧化硅被用于芯片的絕緣層和鈍化層。評(píng)價(jià)氧化硅薄膜的質(zhì)量，較簡(jiǎn)單的方法是采用BOE腐蝕氧化硅薄膜，腐蝕速率越慢，薄膜質(zhì)量越致密，反之，腐蝕速率越快，薄膜質(zhì)量越差。另外，沉積速率的快慢也會(huì)影響到薄膜的質(zhì)量，沉積速率過(guò)快，會(huì)導(dǎo)致氧化硅薄膜速率過(guò)快，說(shuō)明薄膜質(zhì)量比較差。廣東省科學(xué)院半導(dǎo)體研究所。電子束蒸發(fā)真空鍍膜公司</p><p style="text-indent:25px">廣東省科學(xué)院半導(dǎo)體研究所致力于電子元器件，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。廣東省半導(dǎo)體所作為面向半導(dǎo)體光電子器件、功率電子器件、MEMS、生物芯片等前沿領(lǐng)域，致力于打造***的公益性、開(kāi)放性、支撐性樞紐中心。平臺(tái)擁有半導(dǎo)體制備工藝所需的整套儀器設(shè)備，建立了一條實(shí)驗(yàn)室研發(fā)線和一條中試線，加工尺寸覆蓋2-6英寸（部分8英寸），同時(shí)形成了一支與硬件有機(jī)結(jié)合的專業(yè)人才隊(duì)伍。平臺(tái)當(dāng)前緊抓技術(shù)創(chuàng)新和公共服務(wù)，面向國(guó)內(nèi)外高校、科研院所以及企業(yè)提供開(kāi)放共享，為技術(shù)咨詢、創(chuàng)新研發(fā)、技術(shù)驗(yàn)證以及產(chǎn)品中試提供支持。的企業(yè)之一，為客戶提供良好的微納加工技術(shù)服務(wù)，真空鍍膜技術(shù)服務(wù)，紫外光刻技術(shù)服務(wù)，材料刻蝕技術(shù)服務(wù)。廣東省半導(dǎo)體所不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。廣東省半導(dǎo)體所始終關(guān)注電子元器件市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2694908.html</p></div></div></div></div></div><div id="t7dj9xb" class="page-right twoColRt"><div id="nplzdrv" class="box01 margin10 clearfix"><h3><a 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