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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rthftxd" 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>佛山ITO鍍膜真空鍍膜技術(shù),真空鍍膜</p><p><span>***更新：</span>2021-01-15 01:17:18</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="bh7thb5" 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="x51zfjf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xjtzxdj" class="box"><p><p style="text-indent:25px">在等離子增強(qiáng)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(guò)程。在等離子體輔助下，200 到500°C的工藝溫度足以實(shí)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(duì)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，佛山ITO鍍膜真空鍍膜技術(shù)，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(dòng)的粒子真正抵達(dá)基材表面時(shí)才開(kāi)始進(jìn)行，需精心設(shè)計(jì)工藝過(guò)程，佛山ITO鍍膜真空鍍膜技術(shù)。薄膜應(yīng)力的起源是薄膜生長(zhǎng)過(guò)程中的某種結(jié)構(gòu)不完整性，佛山ITO鍍膜真空鍍膜技術(shù)、表面能態(tài)的存在、薄膜與基底界面間的晶格錯(cuò)配等。佛山ITO鍍膜真空鍍膜技術(shù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山ITO鍍膜真空鍍膜技術(shù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346443485231/3119253.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。為了獲得性能良好的半導(dǎo)體電極Al膜，我們通過(guò)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(guò)理論計(jì)算和性能測(cè)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(diǎn)。考慮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?yàn)樗仓苯佑绊慉l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(guò)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。四川金屬真空鍍膜工藝磁控濺射可用于多種材料，適用性普遍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山ITO鍍膜真空鍍膜技術(shù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346342615469/8583772.png"></div><p style="text-indent:25px">PECVD一般用到的氣體有硅烷、笑氣、氨氣等其他。這些氣體通過(guò)氣管進(jìn)入在反應(yīng)腔體，在射頻源的左右下，氣體被電離成活性基團(tuán)?；钚曰鶊F(tuán)進(jìn)行化學(xué)反應(yīng)，在低溫（300攝氏度左右）生長(zhǎng)氧化硅或者氮化硅。氧化硅和氮化硅可用于半導(dǎo)體器件的絕緣層，可有效的進(jìn)行絕緣。PECVD系統(tǒng)的氣源幾乎都是由氣體鋼瓶供氣，這些鋼瓶被放置在有許多安全保護(hù)裝置的氣柜中，通過(guò)氣柜上的控制面板、管道輸送到PECVD的工藝腔體中。在淀積時(shí)，反應(yīng)氣體的多少會(huì)影響淀積的速率及其均勻性等，因此需要嚴(yán)格控制氣體流量，通常采用質(zhì)量流量計(jì)來(lái)實(shí)現(xiàn)精確控制。</p><p style="text-indent:25px">PECVD在低溫范圍內(nèi)（200-350℃），沉積速率會(huì)隨著基片溫度的升高而略微下降，但不是太明顯。PECVD生長(zhǎng)氧化硅薄膜是一個(gè)比較復(fù)雜的過(guò)程，薄膜的沉積速率主要受到反應(yīng)氣體比例、RF功率、反應(yīng)室壓力、基片生長(zhǎng)溫度等。在一定范圍內(nèi)，提高硅烷與笑氣的比例，可提供氧化硅的沉積速率。在RF功率較低的時(shí)候，提升RF功率可提升薄膜的沉積速率，當(dāng)RF增加到一定值后，沉積速率隨RF增大而減少，然后趨于飽和。在一定的氣體總量條件下，沉積速率隨腔體壓力增大而增大。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山ITO鍍膜真空鍍膜技術(shù),真空鍍膜" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430346489862571/6081456.png"></div><p style="text-indent:25px">真空鍍膜的物理過(guò)程：PVD（物理的氣相沉積技術(shù)）的基本原理可分為三個(gè)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(guò)碰撞，產(chǎn)生多種反應(yīng)。（3）鍍料粒子在基片表面的沉積。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(lái)的好,但是鍍膜速度卻比蒸鍍慢比較多。新型的濺鍍?cè)O(shè)備幾乎都使用強(qiáng)力磁鐵將電子成螺旋狀運(yùn)動(dòng)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。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。遼寧磁控濺射真空鍍膜工藝</p><p style="text-indent:25px">等離子體增強(qiáng)氣相沉積法已被普遍應(yīng)用于半導(dǎo)體器件工藝當(dāng)中。佛山ITO鍍膜真空鍍膜技術(shù)</p><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。佛山ITO鍍膜真空鍍膜技術(shù)</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)體所繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。廣東省半導(dǎo)體所創(chuàng)始人陳志濤，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2848697.html</p></div></div></div></div></div><div id="3rdljzn" class="page-right twoColRt"><div id="tjpf7vj" class="box01 margin10 clearfix"><h3><a 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