遼寧GaN材料刻蝕技術(shù) 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="在半導(dǎo)體制造中有兩種基本的刻蝕工藝：干法刻蝕和濕法腐蝕。干法刻蝕是把硅片表面曝露于氣態(tài)中產(chǎn)生的等離子體，遼寧GaN材料刻蝕技術(shù)，等離子體通過光刻膠中開出的窗口，與硅片發(fā)生物理或化學(xué)反應(yīng)（或這兩種反應(yīng)），從而去掉曝露的表面材料。干法刻蝕是亞微"><meta name="keywords" content="遼寧GaN材料刻蝕技術(shù),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>遼寧GaN材料刻蝕技術(shù),材料刻蝕</p><p><span>***更新：</span>2020-12-19 09:24:38</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="eo9fwik" 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(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="c7q7lda" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3ka9lse" class="box"><p><p style="text-indent:25px">在半導(dǎo)體制造中有兩種基本的刻蝕工藝：干法刻蝕和濕法腐蝕。干法刻蝕是把硅片表面曝露于氣態(tài)中產(chǎn)生的等離子體，遼寧GaN材料刻蝕技術(shù)，等離子體通過光刻膠中開出的窗口，與硅片發(fā)生物理或化學(xué)反應(yīng)（或這兩種反應(yīng)），從而去掉曝露的表面材料。干法刻蝕是亞微米尺寸下刻蝕器件的較重要方法，遼寧GaN材料刻蝕技術(shù)，遼寧GaN材料刻蝕技術(shù)。而在濕法腐蝕中，液體化學(xué)試劑（如酸、堿和溶劑等）以化學(xué)方式去除硅片表面的材料。濕法腐蝕一般只是用在尺寸較大的情況下（大于3微米）。濕法腐蝕仍然用來腐蝕硅片上某些層或用來去除干法刻蝕后的殘留物。介電刻蝕應(yīng)用中通常使用含氟的化學(xué)物質(zhì)。遼寧GaN材料刻蝕技術(shù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧GaN材料刻蝕技術(shù),材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430342999769976/1129759.png"></div><p style="text-indent:25px">刻蝕較簡單較常用分類是：干法刻蝕和濕法刻蝕。顯而易見，它們的區(qū)別就在于濕法使用溶劑或溶液來進(jìn)行刻蝕。濕法刻蝕是一個(gè)純粹的化學(xué)反應(yīng)過程，是指利用溶液與預(yù)刻蝕材料之間的化學(xué)反應(yīng)來去除未被掩蔽膜材料掩蔽的部分而達(dá)到刻蝕目的。其特點(diǎn)是：濕法刻蝕在半導(dǎo)體工藝中有著普遍應(yīng)用：磨片、拋光、清洗、腐蝕。優(yōu)點(diǎn)是選擇性好、重復(fù)性好、生產(chǎn)效率高、設(shè)備簡單、成本低。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。按照被刻蝕的材料類型來劃分，干法刻蝕主要分成三種：金屬刻蝕、介質(zhì)刻蝕和硅刻蝕。吉林氮化硅材料刻蝕多少錢對于二氧化硅刻蝕，氣體一般使用CF4和氧的混合劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧GaN材料刻蝕技術(shù),材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343042348191/1704222.png"></div><p style="text-indent:25px">對于被刻蝕材料和掩蔽層材料（例如光刻膠）的選擇比SR可通過下式計(jì)算：SR=Ef/Er；其中，Ef為被刻蝕材料的刻蝕速率，Er為掩蔽層材料的刻蝕速率（如光刻膠）；根據(jù)這個(gè)公式，選擇比通常表示為一個(gè)比值，一個(gè)選擇比差的工藝這一比值可能是1:1，意味著被刻蝕的材料與光刻膠掩蔽層被去除地一樣快，而一個(gè)選擇比高的工藝這一比值可能是100:1，說明被刻蝕材料的刻蝕速率為不要被刻蝕材料的（如光刻膠）刻蝕速率的100倍。廣東省科學(xué)院半導(dǎo)體研究所。</p><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。刻蝕Si3N4時(shí)下方通常是厚約25nm的Si02，為了避免對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Si或Si02的刻蝕選擇比均不好。在CF4的等離子體中，Si對Si3N4的選擇比約為8，而Si3N4對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。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="遼寧GaN材料刻蝕技術(shù),材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343104448148/1231748.png"></div><p style="text-indent:25px">刻蝕原理介紹主要工藝參數(shù)刻蝕液更換頻率的管控刻蝕不良的產(chǎn)生原因單擊此處編輯母版標(biāo)題樣式單擊此處編輯母版標(biāo)題樣式刻蝕工藝介紹辛小剛刻蝕原理介紹刻蝕主要工藝參數(shù)刻蝕液更換頻率的管控刻蝕不良原因分析刻蝕是用一定比例的酸液把玻璃上未受光刻膠保護(hù)的Metal/ITO膜通過化學(xué)反應(yīng)去除掉，較終形成制程所需要的圖形?？涛g種類目前我司的刻蝕種類主要分兩種：1、Metal刻蝕刻蝕液主要成分：磷酸、硝酸、醋酸、水。Metal：合金金屬2、ITO刻蝕刻蝕液主要成分：鹽酸、硝酸、水。ITO：氧化銦錫（混合物）Metal刻蝕前后：ITO刻蝕前后：刻蝕前后對比照片12345刻蝕液濃度刻蝕溫度刻蝕速度噴淋流量過刻量刻蝕液的濃度對刻蝕效果影響較大，所以我們主要通過：來料檢驗(yàn)、首片確認(rèn)、定期更換的方法來保證。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。四川MEMS材料刻蝕廠家</p><p style="text-indent:25px">深硅刻蝕是MEMS器件制作當(dāng)中一個(gè)很重要的工藝。遼寧GaN材料刻蝕技術(shù)</p><p style="text-indent:25px">理想情況下，晶圓所有點(diǎn)的刻蝕速率都一致（均勻）。晶圓不同點(diǎn)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)）。遼寧GaN材料刻蝕技術(shù)</p><p style="text-indent:25px">廣東省科學(xué)院半導(dǎo)體研究所位于長興路363號(hào)，擁有一支專業(yè)的技術(shù)團(tuán)隊(duì)。致力于創(chuàng)造***的產(chǎn)品與服務(wù)，以誠信、敬業(yè)、進(jìn)取為宗旨，以建芯辰實(shí)驗(yàn)室,微納加工產(chǎn)品為目標(biāo)，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司不**提供專業(yè)的面向半導(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(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(yàn)證以及產(chǎn)品中試提供支持。，同時(shí)還建立了完善的售后服務(wù)體系，為客戶提供良好的產(chǎn)品和服務(wù)。誠實(shí)、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***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)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2471584.html</p></div></div></div></div></div><div id="zt48hdp" class="page-right twoColRt"><div id="w33j8bf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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