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href="http://www.cdcfah.com/cp/third-dzcllbjjgj_bdtcl/">半導(dǎo)體材料</a>?浙江硅材料刻蝕廠家廣東省科學(xué)院半導(dǎo)體研究所供應(yīng)</p><div id="6r8cx8n" class="leftbox clearfix"><h1>浙江硅材料刻蝕廠家廣東省科學(xué)院半導(dǎo)體研究所供應(yīng)</h1><div id="ljg48ry" class="proBig"><div id="h3qheln" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343031752492/2519204.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="piae2jg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343031752492/2519204.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rfwvht8" 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>浙江硅材料刻蝕廠家,材料刻蝕</p><p><span>***更新：</span>2020-12-18 09:30:28</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="tqizqsj" 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: </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="iwvxug8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tl3q8me" class="box"><p><p style="text-indent:25px">選擇比指的是在同一刻蝕條件下一種材料與另一種材料相比刻蝕速率快多少，它定義為被刻蝕材料的刻蝕速率與另一種材料的刻蝕速率的比。基本內(nèi)容：高選擇比意味著只刻除想要刻去的那一層材料。一個高選擇比的刻蝕工藝不刻蝕下面一層材料（刻蝕到恰當(dāng)?shù)纳疃葧r停止）并且保護的光刻膠也未被刻蝕。圖形幾何尺寸的縮小要求減薄光刻膠厚度。高選擇比在較先進的工藝中為了確保關(guān)鍵尺寸和剖面控制是必需的。特別是關(guān)鍵尺寸越小，浙江硅材料刻蝕廠家，選擇比要求越高。廣東省科學(xué)院半導(dǎo)體研究所。濕法刻蝕特點是：濕法刻蝕在半導(dǎo)體工藝中有著普遍應(yīng)用：磨片，浙江硅材料刻蝕廠家、拋光，浙江硅材料刻蝕廠家、清洗、腐蝕。浙江硅材料刻蝕廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江硅材料刻蝕廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343031752492/2519204.png"></div><p style="text-indent:25px">不過，芯片用單晶硅材料對材料內(nèi)部微缺陷率水平的要求較高，對加工環(huán)節(jié)的硅片表面顆粒和雜質(zhì)含量、表面平整度、應(yīng)力和機械強度等參數(shù)指標(biāo)有更為嚴(yán)格的要求。這些特性導(dǎo)致芯片用單晶硅材料的研發(fā)和生產(chǎn)，需要合理設(shè)計加工環(huán)節(jié)的工藝流程，同時也需要更先進的加工設(shè)備。通過刻蝕用單晶硅材料在全球半導(dǎo)體產(chǎn)業(yè)鏈中“見縫插針”的，已經(jīng)擁有了穩(wěn)定的基本盤。向芯片用單晶硅材料賽道進發(fā)，既是對創(chuàng)業(yè)初心的回歸，更是應(yīng)對下游需求變化的戰(zhàn)略調(diào)整，有望再一次驅(qū)動的強勁增長。材料是工業(yè)之母，隨著更多關(guān)鍵材料和設(shè)備的突破，中國終將在全球半導(dǎo)體產(chǎn)業(yè)鏈中揚眉吐氣。北京GaN材料刻蝕加工平臺刻蝕，它是半導(dǎo)體制造工藝，微納制造工藝中的一種相當(dāng)重要的步驟。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江硅材料刻蝕廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343095082892/6968052.png"></div><p style="text-indent:25px">干刻蝕是一類較新型，但迅速為半導(dǎo)體工業(yè)所采用的技術(shù)。其利用電漿(plasma)來進行半導(dǎo)體薄膜材料的刻蝕加工。其中電漿必須在真空度約10至0.001Torr的環(huán)境下，才有可能被激發(fā)出來；而干刻蝕采用的氣體，或轟擊質(zhì)量頗巨，或化學(xué)活性極高，均能達成刻蝕的目的。干刻蝕基本上包括離子轟擊與化學(xué)反應(yīng)兩部份刻蝕機制。偏「離子轟擊」效應(yīng)者使用氬氣(argon)，加工出來之邊緣側(cè)向侵蝕現(xiàn)象極微。而偏化學(xué)反應(yīng)效應(yīng)者則采氟系或氯系氣體(如四氟化碳CF4)，經(jīng)激發(fā)出來的電漿，即帶有氟或氯之離子團，可快速與芯片表面材質(zhì)反應(yīng)。刪轎厚干刻蝕法可直接利用光阻作刻蝕之阻絕遮幕，不必另行成長阻絕遮幕之半導(dǎo)體材料。而其較重要的優(yōu)點，能兼顧邊緣側(cè)向侵蝕現(xiàn)象極微與高刻蝕率兩種優(yōu)點，換言之，本技術(shù)中所謂活性離子刻蝕已足敷頁堡局滲次微米線寬制程技術(shù)的要求，而正被大量使用。</p><p style="text-indent:25px">刻蝕技術(shù)（etchingtechnique），是在半導(dǎo)體工藝，按照掩模圖形或設(shè)計要求對半導(dǎo)體襯底表面或表面覆蓋薄膜進行選擇性腐蝕或剝離的技術(shù)?？涛g技術(shù)不僅是半導(dǎo)體器件和集成電路的基本制造工藝，而且還應(yīng)用于薄膜電路、印刷電路和其他微細(xì)圖形的加工?？涛g還可分為濕法刻蝕和干法刻蝕。普通的刻蝕過程大致如下：先在表面涂敷一層光致抗蝕劑，然后透過掩模對抗蝕劑層進行選擇性曝光，由于抗蝕劑層的已曝光部分和未曝光部分在顯影液中溶解速度不同，經(jīng)過顯影后在襯底表面留下了抗蝕劑圖形，以此為掩模就可對襯底表面進行選擇性腐蝕。如果襯底表面存在介質(zhì)或金屬層，則選擇腐蝕以后，圖形就轉(zhuǎn)移到介質(zhì)或金屬層上。干法刻蝕優(yōu)點是：各向異性好，選擇比高，可控性、靈活性、重復(fù)性好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江硅材料刻蝕廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430342999769976/1129759.png"></div><p style="text-indent:25px">理想情況下，晶圓所有點的刻蝕速率都一致（均勻）。晶圓不同點刻蝕速率不同的情況稱為非均勻性（或者稱為微負(fù)載），通常以百分比表示。減少非均勻性和微負(fù)載是刻蝕的重要目標(biāo)。應(yīng)用材料公司一直以來不斷開發(fā)具有成本效益的創(chuàng)新解決方案，來應(yīng)對不斷變化的蝕刻難題。這些難題可能源自于器件尺寸的不斷縮??；所用材料的變化（例如高k薄膜或多孔較低k介電薄膜）；器件架構(gòu)多樣化（例如FinFET和三維NAND晶體管）；以及新的封裝方式（例如硅穿孔（TSV）技術(shù)）?？涛g基本目標(biāo)是在涂膠的硅片上正確地復(fù)制掩模圖形。浙江硅材料刻蝕廠家</p><p style="text-indent:25px">濕法刻蝕是一個純粹的化學(xué)反應(yīng)過程。浙江硅材料刻蝕廠家</p><p style="text-indent:25px">“刻蝕”指用化學(xué)和物理方法有選擇地從硅片表面去除不需要的材料，是晶圓制造中不可或缺的關(guān)鍵步驟?？涛g技術(shù)按工藝可以分為濕法刻蝕與干法刻蝕，其中干法刻蝕是目前8英寸、12英寸先進制程中的主要刻蝕手段，干法刻蝕又多以“等離子體刻蝕”為主導(dǎo)。在刻蝕環(huán)節(jié)中，硅電極產(chǎn)生高電壓，令刻蝕氣體形成電離狀態(tài)，其與芯片同時處于刻蝕設(shè)備的同一腔體中，并隨著刻蝕進程而逐步被消耗，因此刻蝕電極也需要達到與晶圓一樣的半導(dǎo)體級的純度（11個9）。浙江硅材料刻蝕廠家</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。公司將不斷增強企業(yè)重點競爭力，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。廣東省半導(dǎo)體所憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2457115.html</p></div></div></div></div></div><div id="ajlikwi" class="page-right twoColRt"><div id="py7ihoq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="atvsels" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="js8c8ht" 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