湖南Si材料刻蝕加工廠商廣東省科學(xué)院半導(dǎo)體研究所供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="相比刻蝕用單晶硅材料，芯片用單晶硅材料是芯片等終端產(chǎn)品的原材料，湖南Si材料刻蝕加工廠商，市場(chǎng)更為廣闊，國(guó)產(chǎn)替代的需求也十分旺盛，湖南Si材料刻蝕加工廠商。SEMI的統(tǒng)計(jì)顯示，2018年全球半導(dǎo)體制造材料市場(chǎng)規(guī)模為322.38億美元，其中硅"><meta name="keywords" content="湖南Si材料刻蝕加工廠商,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 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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>湖南Si材料刻蝕加工廠商,材料刻蝕</p><p><span>***更新：</span>2021-01-22 02:17:15</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="eyxb373" 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="yxhjgsu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jd88p8m" class="box"><p><p style="text-indent:25px">相比刻蝕用單晶硅材料，芯片用單晶硅材料是芯片等終端產(chǎn)品的原材料，湖南Si材料刻蝕加工廠商，市場(chǎng)更為廣闊，國(guó)產(chǎn)替代的需求也十分旺盛，湖南Si材料刻蝕加工廠商。SEMI的統(tǒng)計(jì)顯示，2018年全球半導(dǎo)體制造材料市場(chǎng)規(guī)模為322.38億美元，其中硅材料的市場(chǎng)規(guī)模達(dá)到121.24億美元，占比高達(dá)37.61%。刻蝕用單晶硅材料和芯片用單晶硅材料在制造環(huán)節(jié)上有諸多相似之處：積累的固液共存界面控制技術(shù)、熱場(chǎng)尺寸優(yōu)化工藝，湖南Si材料刻蝕加工廠商、多晶硅投料優(yōu)化等工藝技術(shù)已經(jīng)達(dá)到國(guó)際先進(jìn)水平，為進(jìn)入新賽道提供了產(chǎn)業(yè)技術(shù)和經(jīng)驗(yàn)的支撐。按材料來分，刻蝕主要分成三種：金屬刻蝕、介質(zhì)刻蝕、和硅刻蝕。湖南Si材料刻蝕加工廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南Si材料刻蝕加工廠商,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343010112250/1147970.png"></div><p style="text-indent:25px">鋁膜濕法刻蝕：對(duì)于鋁和鋁合金層有選擇性的刻蝕溶液是居于磷酸的。遺憾的是，鋁和磷酸反應(yīng)的副產(chǎn)物是微小的氫氣泡。這些氣泡附著在晶圓表面，并阻礙刻蝕反應(yīng)。結(jié)果既可能產(chǎn)生導(dǎo)致相鄰引線短路的鋁橋連，又可能在表面形成不希望出現(xiàn)的雪球的鋁點(diǎn)。特殊配方鋁刻蝕溶液的使用緩解了這個(gè)問題。典型的活性溶液成分配比是：16：1：1：2。除了特殊配方外，典型的鋁刻蝕工藝還會(huì)包含以攪拌或上下移動(dòng)晶圓舟的攪動(dòng)。有時(shí)超聲波或兆頻超聲波也用來去除氣泡。湖南Si材料刻蝕加工廠商當(dāng)需要處理多層薄膜時(shí)，以及刻蝕中必須精確停在某個(gè)特定薄膜層而不對(duì)其造成損傷時(shí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南Si材料刻蝕加工廠商,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430342999769976/1129759.png"></div><p style="text-indent:25px">氮化硅的干法刻蝕S13N4在半導(dǎo)體工藝中主要用在兩個(gè)地方。1、用做器件區(qū)的防止氧化保護(hù)層（厚約lOOnm）。2、作為器件的鈍化保護(hù)層。在這兩個(gè)地方刻蝕的圖形尺寸都比較大，非等向的刻蝕就不那么重要了?？涛gSi3N4時(shí)下方通常是厚約25nm的Si02，為了避免對(duì)Si02層的刻蝕，Si3N4與S102之間必須有一定的刻蝕選擇比。S13N4的刻蝕基本上與Si02和Si類似，常用CF4+0等離子體來刻蝕。但是Si-N鍵強(qiáng)度介于Si-Si與Si-0之間，因此使Si3N4對(duì)Si或Si02的刻蝕選擇比均不好。在CF4的等離子體中，Si對(duì)Si3N4的選擇比約為8，而Si3N4對(duì)Si02的選擇比只有2—3，在這么低的刻蝕選擇比下，刻蝕時(shí)間的控制就變得非常重要。除了CF4外，也有人改用蘭氟化氮(NF3)的等離子體來刻蝕Si3N4，雖然刻蝕速率較慢，但可獲得可以接受的Si3N4/Si02的刻蝕選擇比。</p><p style="text-indent:25px">濕刻蝕：較普遍、也是設(shè)備成本較低的刻蝕方法。其影響被刻蝕物之刻蝕速率(etchingrate)的因素有三：刻蝕液濃度、刻蝕液溫度、及攪拌(stirring)之有無(wú)。定性而言，增加刻蝕溫度與加入攪拌，均能有效提高刻蝕速率；但濃度之影響則較不明確。舉例來說，以49%的HF刻蝕SiO2，當(dāng)然比BOE(Buffered-Oxide-Etch；HF：NH4F=1：6)快的多；但40%的KOH刻蝕付淋兇和Si的速率卻比20%KOH慢！濕刻蝕的配方選用是一項(xiàng)化學(xué)的專業(yè)，對(duì)于一般不是這方面的研究人員，必須向該化學(xué)專業(yè)的同儕請(qǐng)教。一個(gè)選用濕刻蝕配方的重要觀念是（選擇性）(selectivity)，意指進(jìn)行刻蝕時(shí)，對(duì)被蝕物去除速度與連帶對(duì)其他材質(zhì)(如刻蝕掩膜；etchingmask，或承載被加工薄膜之基板；substrate)的腐蝕速度之比值。一個(gè)具有高選擇性的刻蝕系統(tǒng)，應(yīng)該只對(duì)被加工薄膜有腐蝕作用，而不傷及一旁之刻蝕掩膜或其下的基板材料在激發(fā)狀態(tài)，氟刻蝕二氧化硅，并將其轉(zhuǎn)化為揮發(fā)性成分由真空系統(tǒng)排出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南Si材料刻蝕加工廠商,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343082944140/2812636.png"></div><p style="text-indent:25px">工藝所用化學(xué)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(xué)物質(zhì)。硅和金屬刻蝕使用含氯成分的化學(xué)物質(zhì)。在工藝中可能會(huì)對(duì)一個(gè)薄膜層或多個(gè)薄膜層執(zhí)行特定的刻蝕步驟。當(dāng)需要處理多層薄膜時(shí)，以及刻蝕中必須精確停在某個(gè)特定薄膜層而不對(duì)其造成損傷時(shí)，刻蝕工藝的選擇比就變得非常重要。選擇比是兩個(gè)刻蝕速率的比率：被去除層的刻蝕速率與被保護(hù)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。有圖形刻蝕和無(wú)圖形刻蝕工藝條件能夠采用干法刻蝕或濕法腐蝕技術(shù)來實(shí)現(xiàn)。湖南Si材料刻蝕加工廠商</p><p style="text-indent:25px">干法刻蝕優(yōu)點(diǎn)是：各向異性好，選擇比高，可控性、靈活性、重復(fù)性好。湖南Si材料刻蝕加工廠商</p><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(jìn)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(dá)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(jī)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(tuán)，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(zhǎng)阻絕遮幕之半導(dǎo)體材料。而其較重要的優(yōu)點(diǎn)，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(diǎn)，換言之，本技術(shù)中所謂活性離子刻蝕已足敷頁(yè)堡局滲次微米線寬制程技術(shù)的要求，而正被大量使用。湖南Si材料刻蝕加工廠商</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(gè)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。公司從事電子元器件多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。廣東省半導(dǎo)體所秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2952080.html</p></div></div></div></div></div><div id="f78uwik" class="page-right twoColRt"><div id="3azgnz7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qf4ipr3" 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" 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