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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tipc88y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346254001587/8480104.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lfro8dz" 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>河南電子束蒸發(fā)真空鍍膜外協(xié),真空鍍膜</p><p><span>***更新：</span>2021-01-01 02:20:59</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="fu2anub" 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>長興路363號</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="s23spby" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ahy8ny3" class="box"><p><p style="text-indent:25px">為了獲得性能良好的半導(dǎo)體電極Al膜，我們通過優(yōu)化工藝參數(shù)，制備了一系列性能優(yōu)越的Al薄膜。通過理論計算和性能測試，分析比較了電子束蒸發(fā)與磁控濺射兩種方法制備Al膜的特點?？紤]Al膜的致密性就相當(dāng)于考慮Al膜的晶粒的大小，密度以及能達(dá)到均勻化的程度，因為它也直接影響Al膜的其它性能，進(jìn)而影響半導(dǎo)體嘩啦的性能。氣相沉積的多晶Al膜的晶粒尺寸隨著沉積過程中吸附原子或原子團(tuán)在基片表面遷移率的增加而增加。由此可以看出Al膜的晶粒尺寸的大小將取決環(huán)于基片溫度、沉積速度、氣相原子在平行基片方面的速度分量、基片表面光潔度和化學(xué)活性等因素，河南電子束蒸發(fā)真空鍍膜外協(xié)。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，河南電子束蒸發(fā)真空鍍膜外協(xié)，河南電子束蒸發(fā)真空鍍膜外協(xié)，是蒸度高熔點薄膜和高純薄膜的一種主要加熱方法。薄膜中存在的各種缺陷是產(chǎn)生本征應(yīng)力的主要原因，這些缺陷一般都是非平衡缺陷，有自行消失的傾向。河南電子束蒸發(fā)真空鍍膜外協(xié)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電子束蒸發(fā)真空鍍膜外協(xié),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346254001587/8480104.png"></div><p style="text-indent:25px">磁控濺射一般金屬鍍膜大都采用直流濺鍍,而不導(dǎo)電的陶磁材料則使用RF交流濺鍍,基本的原理是在真空中利用輝光放電(glowdischarge)將氬氣(Ar)離子撞擊靶材(target)表面，電漿中的陽離子會加速沖向作為被濺鍍材的負(fù)電極表面，這個沖擊將使靶材的物質(zhì)飛出而沉積在基板上形成薄膜。PECVD( Plasma Enhanced Chemical Vapor Deposition)等離子增強化學(xué)氣相沉積，等離子體是物質(zhì)分子熱運動加劇，相互間的碰撞會導(dǎo)致氣體分子產(chǎn)生電離，物質(zhì)就會變成自由運動并由相互作用的正離子、電子和中性粒子組成的混合物。安徽叉指電極真空鍍膜服務(wù)磁控濺射還可用于不同金屬合金的共濺射，同時使用多個靶qiang電源和不同靶材。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電子束蒸發(fā)真空鍍膜外協(xié),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346282849786/535107.png"></div><p style="text-indent:25px">利用PECVD生長的氮化硅薄膜具有以下優(yōu)點：1.均勻性和重復(fù)性好，可大面積成膜2.可在低溫下成膜3.臺階覆蓋性比較好 4.薄膜成分和厚度容易控制 5.應(yīng)用范圍廣，設(shè)備簡單，易于產(chǎn)業(yè)化。磁控濺射的優(yōu)勢在于可根據(jù)靶材的性質(zhì)來選擇使用不同的靶qiang進(jìn)行濺射，靶qiang分為射頻靶(RF)、直流靶(DC)、直流脈沖靶(DC Pluse)。其中射頻靶主要用于導(dǎo)電性較差的氧化物、陶瓷等介質(zhì)膜的濺射，也可以進(jìn)行常規(guī)金屬材料濺射。直流靶只能用于導(dǎo)電性較好的金屬材料，而直流脈沖靶介于二者之間，可濺射硅、鍺等半導(dǎo)體材料。</p><p style="text-indent:25px">在等離子增強化學(xué)氣相沉積(PECVD)工藝中，由等離子體輔助化學(xué)反應(yīng)過程。在等離子體輔助下，200 到500°C的工藝溫度足以實現(xiàn)成品膜層的制備，因此該技術(shù)降低了基材的溫度負(fù)荷。等離子可在接近基片的周圍被激發(fā)(近程等離子法)。而對于半導(dǎo)體硅片等敏感型基材，輻射和離子轟擊可能損壞基材。另一方面，在遠(yuǎn)程等離子法中，等離子體與基材間設(shè)有空間隔斷。隔斷不僅能夠保護(hù)基材，也允許激發(fā)混合工藝氣體的特定成分。然而，為保證化學(xué)反應(yīng)在被活動的粒子真正抵達(dá)基材表面時才開始進(jìn)行，需精心設(shè)計工藝過程。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電子束蒸發(fā)真空鍍膜外協(xié),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346489862571/6081456.png"></div><p style="text-indent:25px">物理的氣相沉積技術(shù)具有膜/基結(jié)合力好、薄膜均勻致密、薄膜厚度可控性好、應(yīng)用的靶材普遍、濺射范圍寬、可沉積厚膜、可制取成分穩(wěn)定的合金膜和重復(fù)性好等優(yōu)點。同時，物理的氣相沉積技術(shù)由于其工藝處理溫度可控制在500℃以下?；瘜W(xué)氣相沉積技術(shù)是把含有構(gòu)成薄膜元素的單質(zhì)氣體或化合物供給基體，借助氣相作用或基體表面上的化學(xué)反應(yīng)，在基體上制出金屬或化合物薄膜的方法，主要包括常壓化學(xué)氣相沉積、低壓化學(xué)氣相沉積和兼有CVD和PVD兩者特點的等離子化學(xué)氣相沉積等?；瘜W(xué)氣相沉積技術(shù)是把含有構(gòu)成薄膜元素的單質(zhì)氣體或化合物供給基體。河南電子束蒸發(fā)真空鍍膜外協(xié)</p><p style="text-indent:25px">磁控濺射一般金屬鍍膜大都采用直流濺鍍,而不導(dǎo)電的陶磁材料則使用RF交流濺鍍。河南電子束蒸發(fā)真空鍍膜外協(xié)</p><p style="text-indent:25px">解決靶中毒主要有以下幾種方法;1.使用射頻電源進(jìn)行濺射；2.采用閉環(huán)控制反應(yīng)氣體通入流量；3.使用孿生靶交替濺射；4.控制鍍膜模式的變換：在鍍膜前，采集靶中毒的遲滯效應(yīng)曲線，使進(jìn)氣流量控制在產(chǎn)生靶中毒的前沿，確保工藝過程始終處于沉積速率陡降前的模式。常用的薄膜制備方式主要有兩種，其中一種是物理的氣相沉積（PVD），PVD的方法有磁控濺射鍍膜、電子束蒸發(fā)鍍膜、熱阻蒸發(fā)等。另一種是化學(xué)氣相沉積法（CVD），主要有常壓CVD、LPCVD（低壓氣相沉積法）、PECVD（等離子體增強氣相沉積法）等方法。河南電子束蒸發(fā)真空鍍膜外協(xié)</p><p style="text-indent:25px">廣東省科學(xué)院半導(dǎo)體研究所是一家面向半導(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、開放性、支撐性樞紐中心。平臺擁有半導(dǎo)體制備工藝所需的整套儀器設(shè)備，建立了一條實驗室研發(fā)線和一條中試線，加工尺寸覆蓋2-6英寸（部分8英寸），同時形成了一支與硬件有機(jī)結(jié)合的專業(yè)人才隊伍。平臺當(dāng)前緊抓技術(shù)創(chuàng)新和公共服務(wù)，面向國內(nèi)外高校、科研院所以及企業(yè)提供開放共享，為技術(shù)咨詢、創(chuàng)新研發(fā)、技術(shù)驗證以及產(chǎn)品中試提供支持。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。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、開放性、支撐性樞紐中心。平臺擁有半導(dǎo)體制備工藝所需的整套儀器設(shè)備，建立了一條實驗室研發(fā)線和一條中試線，加工尺寸覆蓋2-6英寸（部分8英寸），同時形成了一支與硬件有機(jī)結(jié)合的專業(yè)人才隊伍。平臺當(dāng)前緊抓技術(shù)創(chuàng)新和公共服務(wù)，面向國內(nèi)外高校、科研院所以及企業(yè)提供開放共享，為技術(shù)咨詢、創(chuàng)新研發(fā)、技術(shù)驗證以及產(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)體所致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。廣東省半導(dǎo)體所始終關(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: 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