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class="proBig"><div id="3smieqh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343010112250/1147970.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="il7gxtk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343010112250/1147970.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xruiegx" 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>佛山半導(dǎo)體材料刻蝕加工,材料刻蝕</p><p><span>***更新：</span>2020-12-24 02:19:29</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="sls7m7l" 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="88vxt7p" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="p3ubsz8" class="box"><p><p style="text-indent:25px">刻蝕也可以分成有圖形刻蝕和無(wú)圖形刻蝕。有圖形刻蝕采用掩蔽層（有圖形的光刻膠）來(lái)定義要刻蝕掉的表面材料區(qū)域，只有硅片上被選擇的這一部分在刻蝕過(guò)程中刻掉。有圖形刻蝕可用來(lái)在硅片上制作多種不同的特征圖形，包括柵、金屬互連線、通孔、接觸孔和溝槽。無(wú)圖形刻蝕，佛山半導(dǎo)體材料刻蝕加工、反刻或剝離是在整個(gè)硅片沒(méi)有掩模的情況下進(jìn)行的，佛山半導(dǎo)體材料刻蝕加工，這種刻蝕工藝用于剝離掩模層（如STI氮化硅剝離和用于制備晶體管注入側(cè)墻的硅化物工藝后鈦的剝離）。反刻是在想要把某一層膜的總的厚度減小時(shí)采用的（如當(dāng)平坦化硅片表面時(shí)需要減小形貌特征）。物理上，等離子體刻蝕劑由反應(yīng)室，佛山半導(dǎo)體材料刻蝕加工、真空系統(tǒng)、氣體供應(yīng)、終點(diǎn)檢測(cè)和電源組成。佛山半導(dǎo)體材料刻蝕加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山半導(dǎo)體材料刻蝕加工,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343010112250/1147970.png"></div><p style="text-indent:25px">刻蝕也可以分成有圖形刻蝕和無(wú)圖形刻蝕。有圖形刻蝕采用掩蔽層（有圖形的光刻膠）來(lái)定義要刻蝕掉的表面材料區(qū)域，只有硅片上被選擇的這一部分在刻蝕過(guò)程中刻掉。有圖形刻蝕可用來(lái)在硅片上制作多種不同的特征圖形，包括柵、金屬互連線、通孔、接觸孔和溝槽。無(wú)圖形刻蝕、反刻或剝離是在整個(gè)硅片沒(méi)有掩模的情況下進(jìn)行的，這種刻蝕工藝用于剝離掩模層。反刻是在想要把某一層膜的總的厚度減小時(shí)采用的（如當(dāng)平坦化硅片表面時(shí)需要減小形貌特征）。廣東省科學(xué)院半導(dǎo)體研究所。江蘇氮化鎵材料刻蝕工藝在半導(dǎo)體制造中有兩種基本的刻蝕工藝：干法刻蝕和濕法腐蝕。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山半導(dǎo)體材料刻蝕加工,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430343031752492/2519204.png"></div><p style="text-indent:25px">在微細(xì)加工中，刻蝕和清洗處理過(guò)程包括許多內(nèi)容。對(duì)于適當(dāng)取向的半導(dǎo)體薄片的鋸痕首先要機(jī)械拋光，以除去全部的機(jī)械損傷，之后進(jìn)行化學(xué)刻蝕和拋光，以獲得無(wú)損傷的光學(xué)平面。這種工藝往往能去除以微米級(jí)計(jì)算的材料表層。對(duì)薄片進(jìn)行化學(xué)清洗和洗滌，可以除去因操作和貯存而產(chǎn)生的污染，然后用熱處理的方法生長(zhǎng)Si0(對(duì)于硅基集成電路)，或者沉積氮化硅(對(duì)于砷化鎵電路)，以形成初始保護(hù)層。刻蝕過(guò)程和圖案的形成相配合。廣東省科學(xué)院半導(dǎo)體研究所。</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(lái)說(shuō)，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濕法刻蝕優(yōu)點(diǎn)是選擇性好、重復(fù)性好、生產(chǎn)效率高、設(shè)備簡(jiǎn)單、成本低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山半導(dǎo)體材料刻蝕加工,材料刻蝕" src="https://tyunfile.71360.com/UploadFile/bdtyys888/637430342999769976/1129759.png"></div><p style="text-indent:25px">反應(yīng)離子刻蝕（RIE）是當(dāng)前常用技術(shù)路徑，屬于物理和化學(xué)混合刻蝕。在傳統(tǒng)的反應(yīng)離子刻蝕機(jī)中，進(jìn)入反應(yīng)室的氣體會(huì)被分解電離為等離子體，等離子體由反應(yīng)正離子、自由基、反應(yīng)原子等組成。反應(yīng)正離子會(huì)轟擊硅片表面形成物理刻蝕，同時(shí)被轟擊的硅片表面化學(xué)活性被提高，之后硅片會(huì)與自由基和反應(yīng)原子形成化學(xué)刻蝕。這個(gè)過(guò)程中由于離子轟擊帶有方向性，RIE技術(shù)具有較好的各向異性。目前先進(jìn)集成電路制造技術(shù)中用于刻蝕關(guān)鍵層的刻蝕方法是高密度等離子體刻蝕技術(shù)。傳統(tǒng)的RIE系統(tǒng)難以使刻蝕物質(zhì)進(jìn)入高深寬比圖形中并將殘余生成物從中排出，因此不能滿足0.25μm以下尺寸的加工要求，解決辦法是增加等離子體的密度。高密度等離子體刻蝕技術(shù)主要分為電子回旋加速振蕩（ECR）、電容或電感耦合等離子體（CCP/ICP）、雙等離子體源等。等離子體刻蝕機(jī)要求相同的元素：化學(xué)刻蝕劑和能量源。江蘇氮化鎵材料刻蝕工藝</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）。佛山半導(dǎo)體材料刻蝕加工</p><p style="text-indent:25px">刻蝕工藝去除晶圓表面的特定區(qū)域，以沉積其它材料。“干法”（等離子）刻蝕用于形成電路，而“濕法”刻蝕（使用化學(xué)?。┲饕糜谇鍧嵕A。干法刻蝕是半導(dǎo)體制造中較常用的工藝之一。開(kāi)始刻蝕前，晶圓上會(huì)涂上一層光刻膠或硬掩膜（通常是氧化物或氮化物），然后在光刻時(shí)將電路圖形曝光在晶圓上。刻蝕只去除曝光圖形上的材料。在芯片工藝中，圖形化和刻蝕過(guò)程會(huì)重復(fù)進(jìn)行多次。等離子刻蝕是將電磁能量（通常為射頻（RF））施加到含有化學(xué)反應(yīng)成分（如氟或氯）的氣體中實(shí)現(xiàn)。等離子會(huì)釋放帶正電的離子來(lái)撞擊晶圓以去除（刻蝕）材料，并和活性自由基產(chǎn)生化學(xué)反應(yīng)，與刻蝕的材料反應(yīng)形成揮發(fā)性或非揮發(fā)性的殘留物。離子電荷會(huì)以垂直方向射入晶圓表面。這樣會(huì)形成近乎垂直的刻蝕形貌，這種形貌是現(xiàn)今密集封裝芯片設(shè)計(jì)中制作細(xì)微特征所必需的。一般而言，高蝕速率（在一定時(shí)間內(nèi)去除的材料量）都會(huì)受到歡迎。佛山半導(dǎo)體材料刻蝕加工</p><p style="text-indent:25px">廣東省科學(xué)院半導(dǎo)體研究所屬于電子元器件的高新企業(yè)，技術(shù)力量雄厚。廣東省半導(dǎo)體所是一家****企業(yè)，一直“以人為本，服務(wù)于社會(huì)”的經(jīng)營(yíng)理念;“誠(chéng)守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司業(yè)務(wù)涵蓋微納加工技術(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)，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。廣東省半導(dǎo)體所順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過(guò)**技術(shù)，力圖保證高規(guī)格高質(zhì)量的微納加工技術(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(lái)源地址: http://www.cdcfah.com/cp/2534973.html</p></div></div></div></div></div><div id="89covco" class="page-right twoColRt"><div id="39vmd78" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lxyahoq" 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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