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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>上海金屬真空鍍膜服務(wù),真空鍍膜</p><p><span>***更新：</span>2021-01-12 06:22:25</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="aa2kyui" 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="aekymou" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="awcikye" class="box"><p><p style="text-indent:25px">熱氧化是在一定的溫度和氣體條件下，使硅片表面氧化一定厚度的氧化硅的。主要有干法氧化和濕法氧化，干法氧化是在硅片表面通入氧氣，硅片與氧化反應(yīng)生成氧化硅，氧化速率比較慢，氧化膜厚容易控制。濕法氧化在爐管當(dāng)中通入氧氣和氫氣，兩者反應(yīng)生長水蒸氣，水蒸氣與硅片表面反應(yīng)生長氧化硅，濕法氧化，速率比較快，可以生長比較厚的薄膜，上海金屬真空鍍膜服務(wù)。對于薄膜應(yīng)力主要有以下原因：1.薄膜生長初始階段，薄膜面和界面的表面張力的共同作用；2.沉積過程中膜面溫度遠(yuǎn)高于襯底溫度產(chǎn)生熱應(yīng)變；3.薄膜和襯底間點(diǎn)陣錯配而產(chǎn)生界面應(yīng)力；4.金屬膜氧化后氧化物原子體積增大產(chǎn)生壓應(yīng)力；5.斜入射造成各向異性成核、生長；6.薄膜內(nèi)產(chǎn)生相變或化學(xué)組分改變導(dǎo)致原子體積變化，上海金屬真空鍍膜服務(wù)。物理的氣相沉積技術(shù)具有膜/基結(jié)合力好，上海金屬真空鍍膜服務(wù)、薄膜均勻致密、可制取成分穩(wěn)定的合金膜和重復(fù)性好等優(yōu)點(diǎn)。上海金屬真空鍍膜服務(wù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬真空鍍膜服務(wù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346342615469/8583772.png"></div><p style="text-indent:25px">磁控濺射主要利用輝光放電(glowdischarge)將氬氣(Ar)離子撞擊靶材(target)表面,靶材的原子被彈出而堆積在基板表面形成薄膜。濺鍍薄膜的性質(zhì)、均勻度都比蒸鍍薄膜來的好,但是鍍膜速度卻比蒸鍍慢比較多。新型的濺鍍設(shè)備幾乎都使用強(qiáng)力磁鐵將電子成螺旋狀運(yùn)動以加速靶材周圍的氬氣離子化,造成靶與氬氣離子間的撞擊機(jī)率增加,提高濺鍍速率。真空鍍膜的物理過程：PVD（物理的氣相沉積技術(shù)）的基本原理可分為三個工藝步驟：（1）金屬顆粒的氣化：即鍍料的蒸發(fā)、升華或被濺射從而形成氣化源（2）鍍料粒子（（原子、分子或離子）的遷移：由氣化源供出原子、分子或離子經(jīng)過碰撞，產(chǎn)生多種反應(yīng)。（3）鍍料粒子在基片表面的沉積。上海金屬真空鍍膜服務(wù)磁控濺射常用來沉積TSV結(jié)構(gòu)的阻擋層和種子層，通過對相關(guān)參數(shù)的調(diào)整和引入負(fù)偏壓。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬真空鍍膜服務(wù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346306531246/6300759.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(diǎn)：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">磁控濺射可改變工作氣體與氬氣比例從而進(jìn)行反應(yīng)濺射，例如使用Si靶材，通入一定比例的N2，氬氣作為工作氣體，而氮?dú)庾鳛榉磻?yīng)氣體，較終能得到SiNx薄膜。通入氧氣與氮?dú)鈴亩@得各種材料的氧化物與氮化物薄膜，通過改變反應(yīng)氣體與工作氣體的比例也能對濺射速率進(jìn)行調(diào)整，薄膜內(nèi)組分也能相應(yīng)調(diào)整。但反應(yīng)氣體過量時可能會造成靶中毒。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，例如TiW合金，通過獨(dú)自調(diào)整Ti、W的濺射速率，同時開始濺射2種材料，則在襯底上可以形成Ti/W合計(jì)，對不同材料的速率進(jìn)行調(diào)節(jié)，即能滿足不同組分的要求。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海金屬真空鍍膜服務(wù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346381941857/3039823.png"></div><p style="text-indent:25px">化學(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(diǎn)的等離子化學(xué)氣相沉積等。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(diǎn)。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。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)。山西低壓氣相沉積真空鍍膜服務(wù)</p><p style="text-indent:25px">評價氧化硅薄膜的質(zhì)量，較簡單的方法是采用BOE腐蝕氧化硅薄膜。上海金屬真空鍍膜服務(wù)</p><p style="text-indent:25px">磁控濺射由于其內(nèi)部電場的存在，還可在襯底端引入一個負(fù)偏壓，使濺射速率和材料粒子的方向性增加。所以磁控濺射常用來沉積TSV結(jié)構(gòu)的阻擋層和種子層，通過對相關(guān)參數(shù)的調(diào)整和引入負(fù)偏壓，可以實(shí)現(xiàn)高深寬比的薄膜濺射，且深孔內(nèi)壁薄膜連續(xù)和良好的均勻性。通過PVD制備的薄膜通常存在應(yīng)力問題，不同材料與襯底間可能存在壓應(yīng)力或張應(yīng)力，在多層膜結(jié)構(gòu)中可能同時存在多種形式的應(yīng)力。薄膜應(yīng)力的起源是薄膜生長過程中的某種結(jié)構(gòu)不完整性(雜質(zhì)、空位、晶粒邊界、錯位等)、表面能態(tài)的存在、薄膜與基底界面間的晶格錯配等上海金屬真空鍍膜服務(wù)</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，是一家服務(wù)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下微納加工技術(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)深受客戶的喜愛。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2812218.html</p></div></div></div></div></div><div id="a2oka42" class="page-right twoColRt"><div id="oiwmk20" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qwmua4s" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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