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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8ova3bh" 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>安徽省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>自動光學(xué)測試企業(yè),測試</p><p><span>***更新：</span>2021-01-23 10:26:23</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="infugd8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">合肥榮方自動化科技有限公司</a></p><p><span>聯(lián)系人：</span>黃經(jīng)理</p><p><span>郵箱: </span>15221202014@163.com</p><p><span>電話: </span>15056078181</p><p><span>傳真: </span>0551_</p><p><span>網(wǎng)址: </span>http://hcd8181.shop.88360.com</p><p><span>手機: </span>0551-62359165</p><p><span>地址: </span>合肥市蜀山區(qū)望江西路218號港匯廣場寫字樓B座2411-A</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="ban2obd" class="page-proshow02"><p class="title">詳細說明</p><div id="vkxmnpw" class="box"><p><p style="text-indent:25px">測試治具的確會拿零件的焊腳來當(dāng)作測試點來用，因為傳統(tǒng)零件的焊腳夠強壯，不怕針扎，可是經(jīng)常會有探針接觸不良的誤判情形發(fā)生，因為一般的電子零件經(jīng)過波峰焊(wavesoldering)或是SMT吃錫之后，在其焊錫的表面通常都會形成一層錫膏助焊劑的殘留薄膜，這層薄膜的阻抗非常高，常常會造成探針的接觸不良，所以當(dāng)時經(jīng)?？梢姰a(chǎn)線的測試作業(yè)員，經(jīng)常拿著空氣噴槍拼命的吹，或是拿酒精擦拭這些需要測試的地方。其實經(jīng)過波峰焊的測試點也會有探針接觸不良的問題。后來SMT盛行之后，測試誤判的情形就得到了很大的改善，測試點的應(yīng)用也被地賦予重任，因為SMT的零件通常很脆弱，無法承受測試探針的直接接觸壓力，使用測試點就可以不用讓探針直接接觸到零件及其焊腳，不但保護零件不受傷害，也間接地提升測試的可靠度，因為誤判的情形變少了。不過隨著科技的演進，電路板的尺寸也越來越小，小小地電路板上面光要擠下這么多的電子零件都已經(jīng)有些吃力了，自動光學(xué)測試企業(yè)，所以測試點占用電路板空間的問題，經(jīng)常在設(shè)計端與制造端之間拔河，不過這個議題等以后有機會再來談。測試點的外觀通常是圓形，因為探針也是圓形，比較好生產(chǎn)，自動光學(xué)測試企業(yè)，自動光學(xué)測試企業(yè)，也比較容易讓相鄰探針靠得近一點，這樣才可以增加針床的植針密度。做測試治具的廠家有很多，你如何選擇？自動光學(xué)測試企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自動光學(xué)測試企業(yè),測試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440919670761464/1957010.png"></div><p style="text-indent:25px">近幾年，伴隨著人工智能、及物聯(lián)網(wǎng)等新一代信息技術(shù)的發(fā)展，全球半導(dǎo)體產(chǎn)業(yè)又迎來了一輪景氣周期。為了解決需求及供給不匹配的矛盾，我國正在大力發(fā)展半導(dǎo)體產(chǎn)業(yè)，以期實現(xiàn)國產(chǎn)替代。自2014年大基金實施以來，我國半導(dǎo)體全產(chǎn)業(yè)鏈得到了快速發(fā)展，未來也將不斷強化半導(dǎo)體產(chǎn)業(yè)地位。隨著技術(shù)發(fā)展，半導(dǎo)體芯片密度越來越高，相關(guān)產(chǎn)品復(fù)雜度及集成度呈現(xiàn)指數(shù)級增長，這對于芯片設(shè)計及開發(fā)而言是前所未有的挑戰(zhàn)。另一方面，隨著芯片開發(fā)周期的縮短，對于流片的成功率要求非常高，任何一次失敗，對企業(yè)而言都是無法承受的。為此，在芯片設(shè)計及開發(fā)過程中，需要進行充分的驗證和測試。除此之外，半導(dǎo)體制程工藝不斷提升，需要面臨大量的技術(shù)挑戰(zhàn)，測試和驗證也變得更加重要。如何進行半導(dǎo)體測試？半導(dǎo)體測試主要是檢測半導(dǎo)體前道工藝和后道工藝。封裝加工工藝為：劃片、裝片、鍵合、塑封、去飛邊、電鍍、打印、切筋和成型外觀檢查。前道查看晶圓表面上是不是存有影響良率的缺陷，確保將加工產(chǎn)線的良率控制在規(guī)定的水準(zhǔn)之上。后道檢測主要運用于晶圓加工之后、IC封裝環(huán)節(jié)內(nèi)，是一種電性、功能性的檢測，用以檢查芯片是不是滿足性能要求。武漢筆記本電腦麥克風(fēng)測試麥克風(fēng)測試治具哪家的好？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自動光學(xué)測試企業(yè),測試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440919485790693/2914709.png"></div><p style="text-indent:25px">PCBA測試治具是PCBA加工廠中非常重要的設(shè)備，一般放置于生產(chǎn)環(huán)節(jié)的末端，用來檢測產(chǎn)品是否是完好的。在進行PCBA測試治具制作和測試時，需符合規(guī)定的要求才能的提高測試的準(zhǔn)確率，提高出貨品質(zhì)。CBA測試治具是專門對產(chǎn)品的功能、功率校準(zhǔn)、壽命、性能等進行測試、試驗的一種治具。因其主要在PCBA生產(chǎn)線上用于產(chǎn)品的各項指標(biāo)的測試，所以叫PCBA測試治具。pcba測試治具分類1、ICT測試主要包含電路的通斷、電壓和電流數(shù)值及波動曲線、振幅、噪音等。2、FCT測試需要進行IC程序燒制，對整個PCBA板的功能進行模擬測試，發(fā)現(xiàn)硬件和軟件中存在的問題，并配備必要的生產(chǎn)治具和測試架。3、疲勞測試主要是對PCBA板抽樣，并進行功能的高頻、長時間操作，觀察是否出現(xiàn)失效，判斷測試出現(xiàn)故障的概率，以此反饋電子產(chǎn)品內(nèi)PCBA板的工作性能。4、惡劣環(huán)境下測試主要是將PCBA板暴露在極限值的溫度、濕度、跌落、濺水、振動下，獲得隨機樣本的測試結(jié)果，從而推斷整個PCBA板批次產(chǎn)品的可靠性。5、老化測試主要是將PCBA板及電子產(chǎn)品長時間通電，保持其工作并觀察是否出現(xiàn)任何失效故障，經(jīng)過老化測試后的電子產(chǎn)品才能批量出廠銷售。pcba測試治具制作要點1、根據(jù)測試要求和測試板。</p><p style="text-indent:25px">【半導(dǎo)體測試制程】半導(dǎo)體產(chǎn)品的附加價值高、制造成本高，且產(chǎn)品的性能對于日后其用于電子商品的功能有關(guān)鍵性的影響。因此，在半導(dǎo)體的生產(chǎn)過程中的每個階段，對于所生產(chǎn)的半導(dǎo)體IC產(chǎn)品，都有著層層的測試及檢驗來為產(chǎn)品的質(zhì)量作把關(guān)。然而一般所指的半導(dǎo)體測試則是指晶圓制造與IC封裝之后，以檢測晶圓及封裝后IC的電信功能與外觀而存在的測試制程。以下即針對「半導(dǎo)體測試制程」中之各項制程技術(shù)進行介紹?！栋雽?dǎo)體測試制程介紹》測試制程乃是于IC構(gòu)裝后測試構(gòu)裝完成的產(chǎn)品之電性功能以保證出廠IC功能上的完整性，并對已測試的產(chǎn)品依其電性功能作分類（即分Bin），作為IC不同等級產(chǎn)品的評價依據(jù)；然后并對產(chǎn)品作外觀檢驗（Inspect）作業(yè)。電性功能測試乃針對產(chǎn)品之各種電性參數(shù)進行測試以確定產(chǎn)品能正常運作，用于測試之機臺將根據(jù)產(chǎn)品不同之測試項目而加載不同之測試程序；而外觀檢驗之項目繁多，且視不同之構(gòu)裝型態(tài)而有所不同，包含了引腳之各項性質(zhì)、印字（mark）之清晰度及膠體（mold）是否損傷等項目。而隨表面黏著技術(shù)的發(fā)展，為確保構(gòu)裝成品與基版間的準(zhǔn)確定位及完整密合，構(gòu)裝成品接腳之諸項性質(zhì)之檢驗由是重要。測試設(shè)備預(yù)防的對策和意見？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自動光學(xué)測試企業(yè),測試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440919500810878/7125451.png"></div><p style="text-indent:25px">以下將對測試流程做一介紹上圖為半導(dǎo)體產(chǎn)品測試之流程圖，其流程包括下面幾道作業(yè)：1.上線備料上線備料的用意是將預(yù)備要上線測試的待測品，從上游廠商送來的包箱內(nèi)拆封，并一顆顆的放在一個標(biāo)準(zhǔn)容器（幾十顆放一盤，每一盤可以放的數(shù)量及其容器規(guī)格，依待測品的外形而有不同）內(nèi)，以利在上測試機臺（Tester）時，待測品在分類機（Handler）內(nèi)可以將待測品定位，而使其內(nèi)的自動化機械機構(gòu)可以自動的上下料。2.測試機臺測試（FT1、FT2、FT3）待測品在入庫后，經(jīng)過入庫檢驗及上線備料后，再來就是上測試機臺去測試；如前述，測試機臺依測試產(chǎn)品的電性功能種類可以分為邏輯IC測試機、內(nèi)存IC測試機及混合式IC（即同時包含邏輯線路及模擬線路）測試機三種，測試機的主要功能在于發(fā)出待測品所需的電性訊號并接受待測品因此訊號后所響應(yīng)的電性訊號并作出產(chǎn)品電性測試結(jié)果的判斷，當(dāng)然這些在測試機臺內(nèi)的控制細節(jié)，均是由針對此一待測品所寫之測試程序（TestProgram）來控制。即使是同一類的測試機，因每種待測品其產(chǎn)品的電性特性及測試機臺測試能力限制而有所不同。一般來說，待測品在一家測試廠中，會有許多適合此種產(chǎn)品電性特性的測試機臺可供其選擇；除了測試機臺外。榮方自動化科技生產(chǎn)制造的測試治具設(shè)備詳解，可以了解一下。安徽相機自動調(diào)焦測試</p><p style="text-indent:25px">哪些行業(yè)的生產(chǎn)過程需要測試治具？自動光學(xué)測試企業(yè)</p><p style="text-indent:25px">1、PCB人工目檢主要采用放大鏡或顯微鏡，人工識別PCB上的短路、斷路以及一些外觀缺陷，比如起泡、扭曲等2、PCB在線檢測（ICT）ICT檢測原理主要是模擬線路板的電氣連接，從而通過測試點檢測PCB板的斷路、短路等主要缺陷。ICT包含針床式測試儀（BedofNailsTester）和探針測試儀(FlyingProbeTester)等幾種測試設(shè)備。3、PCB功能檢測（FCT）功能檢測主要是模擬產(chǎn)品用途，將PCB板通過專業(yè)的設(shè)備連接、編程，從而真實再現(xiàn)產(chǎn)品使用過程中的表現(xiàn)。4、PCB主動光學(xué)檢測（AOI）光學(xué)檢測技術(shù)目前較為普遍成熟，主要是基于光學(xué)原理，結(jié)合計算機和自動控制方法，拍攝PCB板的圖形，跟預(yù)設(shè)圖像和程式進行比對，從而極為精確地檢測出PCB板線路連接中的問題。5、PCB主動X光檢測X光檢測主要用于高精度、高難度工藝當(dāng)中，比如BGA、PoP工藝設(shè)計中，其原理是通過X光照射投影，類似于人工X光拍片，從而檢測PCB板內(nèi)部的缺陷，對于盲埋孔等工藝有較好的檢測能力。6、PCB激光檢測原理是采用激光束掃描PCB，收集全部測量數(shù)據(jù)，并將數(shù)據(jù)同系統(tǒng)預(yù)設(shè)的極限值進行能力比對，在數(shù)據(jù)層面上精確反饋PCB和設(shè)計之間的偏差，從而準(zhǔn)確發(fā)現(xiàn)缺陷。PCB檢測技術(shù)日新月異，主要是在效率、準(zhǔn)確率和成本方面尋找平衡。自動光學(xué)測試企業(yè)</p><p style="text-indent:25px">合肥榮方自動化科技有限公司致力于儀器儀表，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節(jié)，公司旗下自動化設(shè)備，視覺檢測設(shè)備，集成電路設(shè)計測試，可視化平臺軟件深受客戶的喜愛。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，植根于儀器儀表行業(yè)的發(fā)展。榮方自動化科技憑借創(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://m.cdcfah.com/cp/2976281.html</p></div></div></div></div></div><div id="jnubtq8" class="page-right twoColRt"><div id="lvxprtq" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="in3nzwo" class="recomPic likePro"><a href="http://m.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="ttqsurt" class="recomPic likePro"><a 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