北京氧化硅材料刻蝕版廠家廣東省科學院半導(dǎo)體研究所供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="二氧化硅濕法刻蝕：較普通的刻蝕層是熱氧化形成的二氧化硅?；镜目涛g劑是氫氟酸，北京氧化硅材料刻蝕版廠家，它有刻蝕二氧化硅而不傷及硅的優(yōu)點，北京氧化硅材料刻蝕版廠家。然而，北京氧化硅材料刻蝕版廠家，飽和濃度的氫氟酸在室溫下的刻蝕速率約為300"><meta name="keywords" content="北京氧化硅材料刻蝕版廠家,材料刻蝕"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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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>北京氧化硅材料刻蝕版廠家,材料刻蝕</p><p><span>***更新：</span>2021-01-19 07:19:58</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qe29wip" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廣東省科學院半導(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="a2kry39" class="page-proshow02"><p class="title">詳細說明</p><div id="rfmtkw8" class="box"><p><p style="text-indent:25px">二氧化硅濕法刻蝕：較普通的刻蝕層是熱氧化形成的二氧化硅?；镜目涛g劑是氫氟酸，北京氧化硅材料刻蝕版廠家，它有刻蝕二氧化硅而不傷及硅的優(yōu)點，北京氧化硅材料刻蝕版廠家。然而，北京氧化硅材料刻蝕版廠家，飽和濃度的氫氟酸在室溫下的刻蝕速率約為300A/s。這個速率對于一個要求控制的工藝來說太快了。在實際中，氫氟酸與水或氟化銨及水混合。以氟化銨來緩沖加速刻蝕速率的氫離子的產(chǎn)生。這種刻蝕溶液稱為緩沖氧化物刻蝕或BOE。針對特定的氧化層厚度，他們以不同的濃度混合來達到合理的刻蝕時間。一些BOE公式包括一個濕化劑用以減小刻蝕表面的張力，以使其均勻地進入更小的開孔區(qū)。二氧化硅濕法刻蝕：較普通的刻蝕層是熱氧化形成的二氧化硅。北京氧化硅材料刻蝕版廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氧化硅材料刻蝕版廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343060072941/2374410.png"></div><p style="text-indent:25px">典型的硅刻蝕是用含氮的物質(zhì)與氫氟酸的混合水溶液。這一配比規(guī)則在控制刻蝕中成為一個重要的因素。在一些比率上，刻蝕硅會有放熱反應(yīng)。加熱反應(yīng)所產(chǎn)生的熱可加速刻蝕反應(yīng)，接下來又產(chǎn)生更多的熱，這樣進行下去會導(dǎo)致工藝無法控制。有時醋酸和其他成分被混合進來控制加熱反應(yīng)。一些器件要求在晶圓上刻蝕出槽或溝。刻蝕配方要進行調(diào)整以使刻蝕速率依靠晶圓的取向。取向的晶圓以45°角刻蝕，取向的晶圓以“平”底刻蝕。其他取向的晶圓可以得到不同形狀的溝槽。多晶硅刻蝕也可用基本相同的規(guī)則。遼寧氧化硅材料刻蝕平臺干法刻蝕種類比較多，包括光揮發(fā)、氣相腐蝕、等離子體腐蝕等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氧化硅材料刻蝕版廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430342999769976/1129759.png"></div><p style="text-indent:25px">工藝所用化學物質(zhì)取決于要刻蝕的薄膜類型。介電刻蝕應(yīng)用中通常使用含氟的化學物質(zhì)。硅和金屬刻蝕使用含氯成分的化學物質(zhì)。在工藝中可能會對一個薄膜層或多個薄膜層執(zhí)行特定的刻蝕步驟。當需要處理多層薄膜時，以及刻蝕中必須精確停在某個特定薄膜層而不對其造成損傷時，刻蝕工藝的選擇比就變得非常重要。選擇比是兩個刻蝕速率的比率：被去除層的刻蝕速率與被保護層的刻蝕速率（例如刻蝕掩膜或終止層）。掩?；蛲Ｖ箤樱┩ǔ６枷Ｍ懈叩倪x擇比。</p><p style="text-indent:25px">經(jīng)過前面的一系列工藝已將光刻掩膜版的圖形轉(zhuǎn)移到光刻膠上。為了制作元器件，需將光刻膠上的圖形進一步轉(zhuǎn)移到光刻膠下層的材料上。這個任務(wù)就由刻蝕來完成?？涛g就是將涂膠前所淀積的薄膜中沒有被光刻膠（經(jīng)過曝光和顯影后）覆蓋和保護的那部分去除掉，達到將光刻膠上的圖形轉(zhuǎn)移到其下層材料上的目的。光刻膠的下層薄膜可能是二氧化硅、氮化硅、多晶硅或者金屬材料。材料不同或圖形不同，刻蝕的要求不同。實際上，光刻和刻蝕是兩個不同的加工工藝，但因為這兩個工藝只有連續(xù)進行，才能完成真正意義上的圖形轉(zhuǎn)移，而且在工藝線上，這兩個工藝經(jīng)常是放在同一工序中，因此有時也將這兩個步驟統(tǒng)稱為光刻。介質(zhì)刻蝕是用于介質(zhì)材料的刻蝕，如二氧化硅，氮化硅。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京氧化硅材料刻蝕版廠家,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343116772469/7751513.png"></div><p style="text-indent:25px">反應(yīng)離子刻蝕：這種刻蝕過程同時兼有物理和化學兩種作用。輝光放電在零點幾到幾十帕的低真空下進行。硅片處于陰極電位，放電時的電位大部分降落在陰極附近。大量帶電粒子受垂直于硅片表面的電場加速，垂直入射到硅片表面上,以較大的動量進行物理刻蝕,同時它們還與薄膜表面發(fā)生強烈的化學反應(yīng)，產(chǎn)生化學刻蝕作用。選擇合適的氣體組分，不僅可以獲得理想的刻蝕選擇性和速度，還可以使活性基團的壽命短，這就有效地阻止了因這些基團在薄膜表面附近的擴散所能造成的側(cè)向反應(yīng)，較大提高了刻蝕的各向異性特性。反應(yīng)離子刻蝕是超大規(guī)模集成電路工藝中比較有發(fā)展前景的一種刻蝕方法。物理上，等離子體刻蝕劑由反應(yīng)室、真空系統(tǒng)、氣體供應(yīng)、終點檢測和電源組成。北京氧化硅材料刻蝕版廠家</p><p style="text-indent:25px">刻蝕基本目標是在涂膠的硅片上正確地復(fù)制掩模圖形。北京氧化硅材料刻蝕版廠家</p><p style="text-indent:25px">介質(zhì)刻蝕是用于介質(zhì)材料的刻蝕，如二氧化硅。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，細線條操作安全，易實現(xiàn)自動化，無化學廢液，處理過程未引入污染，潔凈度高。缺點是：成本高，設(shè)備復(fù)雜。干法刻蝕主要形式有純化學過程（如屏蔽式，下游式，桶式），純物理過程（如離子銑），物理化學過程，常用的有反應(yīng)離子刻蝕RIE，離子束輔助自由基刻蝕ICP等。干法刻蝕方式比較多，一般有：濺射與離子束銑蝕，等離子刻蝕（PlasmaEtching），高壓等離子刻蝕，高密度等離子體（HDP）刻蝕，反應(yīng)離子刻蝕（RIE）。另外，化學機械拋光CMP，剝離技術(shù)等等也可看成是廣義刻蝕的一些技術(shù)。北京氧化硅材料刻蝕版廠家</p><p style="text-indent:25px">廣東省科學院半導(dǎo)體研究所發(fā)展規(guī)模團隊不斷壯大，現(xiàn)有一支專業(yè)技術(shù)團隊，各種專業(yè)設(shè)備齊全。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進取為宗旨，以建芯辰實驗室,微納加工產(chǎn)品為目標，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司堅持以客戶為中心、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結(jié)合的專業(yè)人才隊伍。平臺當前緊抓技術(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。市場為導(dǎo)向，重信譽，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽求發(fā)展”的經(jīng)營理念，始終堅持以客戶的需求和滿意為重點，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)，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2914365.html</p></div></div></div></div></div><div id="cax7m7e" class="page-right twoColRt"><div id="3gfwnj7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e7ofhtk" class="recomPic 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