半(ban)(ban)固(gu)(gu)(gu)化(hua)片(pian)的特性指(zhi)標(biao)：樹(shu)脂(zhi)(zhi)流(liu)(liu)(liu)動(dong)度(du)(du)(du)：樹(shu)脂(zhi)(zhi)中能(neng)流(liu)(liu)(liu)動(dong)的樹(shu)脂(zhi)(zhi)占樹(shu)脂(zhi)(zhi)總量(liang)的百分數(shu)。樹(shu)脂(zhi)(zhi)流(liu)(liu)(liu)動(dong)度(du)(du)(du)一般(ban)在25~~40%之(zhi)(zhi)間(jian)(jian)，其含量(liang)隨玻(bo)璃布(bu)厚度(du)(du)(du)增加(jia)而減(jian)小，流(liu)(liu)(liu)動(dong)度(du)(du)(du)高，在層壓(ya)過(guo)程中樹(shu)脂(zhi)(zhi)流(liu)(liu)(liu)失多，容(rong)易(yi)產生(sheng)缺膠(jiao)(jiao)、貧(pin)膠(jiao)(jiao)現象(xiang)；流(liu)(liu)(liu)動(dong)度(du)(du)(du)低，容(rong)易(yi)造成填充(chong)圖形間(jian)(jian)隔困難(nan)，產生(sheng)氣泡，空(kong)洞等現象(xiang)。凝膠(jiao)(jiao)時(shi)間(jian)(jian)：指(zhi)樹(shu)脂(zhi)(zhi)在加(jia)熱情況下，處(chu)于液態(tai)流(liu)(liu)(liu)動(dong)的總時(shi)間(jian)(jian)，凝膠(jiao)(jiao)時(shi)間(jian)(jian)一般(ban)為140~~190s之(zhi)(zhi)間(jian)(jian)，凝膠(jiao)(jiao)時(shi)間(jian)(jian)長，樹(shu)脂(zhi)(zhi)有充(chong)分時(shi)間(jian)(jian)來潤濕圖形，并(bing)能(neng)有效地填滿圖形，有利于壓(ya)制(zhi)參數(shu)的控(kong)制(zhi)。半(ban)(ban)固(gu)(gu)(gu)化(hua)片(pian)在多層板生(sheng)產中占據重(zhong)要地位。重(zhong)慶pp半(ban)(ban)固(gu)(gu)(gu)化(hua)片(pian)加(jia)工廠(chang)

近年來(lai)，電子產品向“輕(qing)、薄、短、小”的(de)方向迅速(su)發(fa)展，多層剛(gang)撓結合(he)板(ban)由于可用(yong)(yong)于三維的(de)互連(lian)組裝特性，因而(er)大量應用(yong)(yong)于計算機(ji)、航(hang)空(kong)航(hang)天(tian)、軍要(yao)(yao)電子設備、通訊器材(cai)(cai)(cai)與儀(yi)器儀(yi)表等(deng)領域。剛(gang)撓結合(he)板(ban)的(de)主要(yao)(yao)粘結材(cai)(cai)(cai)料為不(bu)流(liu)(liu)動半固化(hua)(hua)(hua)片(pian)，其中“不(bu)流(liu)(liu)動”并非真正意義上(shang)的(de)不(bu)流(liu)(liu)動，而(er)是在(zai)流(liu)(liu)動性方面有嚴格的(de)控制，流(liu)(liu)膠(jiao)既能在(zai)受熱情(qing)況(kuang)下對板(ban)材(cai)(cai)(cai)上(shang)的(de)縫隙(xi)或線路凹(ao)坑進行潤濕(shi)并填充，不(bu)能留(liu)下空(kong)隙(xi)，又需要(yao)(yao)在(zai)粘接邊緣流(liu)(liu)膠(jiao)很(hen)少，而(er)且流(liu)(liu)膠(jiao)邊必須(xu)均一整齊。整體而(er)言(yan)，應用(yong)(yong)于多層剛(gang)撓結合(he)板(ban)的(de)半固化(hua)(hua)(hua)片(pian)流(liu)(liu)膠(jiao)在(zai)公差、流(liu)(liu)膠(jiao)距(ju)離、粘連(lian)性和可靠性上(shang)均有很(hen)高的(de)要(yao)(yao)求。蘇州(zhou)pp半固化(hua)(hua)(hua)片(pian)型號半固化(hua)(hua)(hua)片(pian)可以提高多層板(ban)的(de)耐久性和使(shi)用(yong)(yong)壽(shou)命。

由(you)于(yu)(yu)印制(zhi)(zhi)板(ban)圖形區域(yu)外(wai)沿有(you)一圈無銅空曠區域(yu)，并且(qie)拼板(ban)中(zhong)間(jian)也為無銅區域(yu)，對半固化(hua)片(pian)的(de)填充(chong)要(yao)求(qiu)較高(gao)。首先認為，印制(zhi)(zhi)板(ban)在壓(ya)(ya)(ya)合(he)過程中(zhong)，無銅區域(yu)填膠不(bu)充(chong)分(fen)，導致了大(da)面積的(de)空洞。根據(ju)該(gai)猜想(xiang)，解決途(tu)徑就是(shi)減少拼板(ban)對半固化(hua)片(pian)的(de)填充(chong)要(yao)求(qiu)。由(you)于(yu)(yu)圖形區域(yu)無法更(geng)改，工(gong)(gong)程人員(yuan)重新制(zhi)(zhi)作文件時(shi)，需(xu)在拼板(ban)中(zhong)間(jian)增加阻流(liu)塊(kuai)或(huo)者銅塊(kuai)。中(zhong)國(guo)航空工(gong)(gong)業集(ji)團公司西安航空計(ji)算(suan)技術(shu)研(yan)究所選擇(ze)3.0 mm厚度的(de)印制(zhi)(zhi)板(ban)，每(mei)個(ge)壓(ya)(ya)(ya)合(he)窗(chuang)(chuang)(chuang)口壓(ya)(ya)(ya)合(he)2塊(kuai)，壓(ya)(ya)(ya)機共有(you)8個(ge)壓(ya)(ya)(ya)合(he)窗(chuang)(chuang)(chuang)口。為避免窗(chuang)(chuang)(chuang)口不(bu)平整等因素(su)導致結果不(bu)準確，實驗時(shi)，對每(mei)個(ge)窗(chuang)(chuang)(chuang)口都進行壓(ya)(ya)(ya)合(he)。

半(ban)(ban)固(gu)化(hua)片(pian)(pian)準(zhun)備注意事項：①在(zai)(zai)清潔(jie)無塵的環境，將(jiang)卷料切(qie)(qie)成條料，然后用切(qie)(qie)紙刀裁(cai)切(qie)(qie)成單件，尺寸按單片(pian)(pian)坯料長寬各放大10mm；②在(zai)(zai)定位孔(kong)(kong)位置，成疊用臺鉆打定位孔(kong)(kong)，孔(kong)(kong)徑比(bi)定位銷(xiao)直徑大1．5~2．0mm；③凡半(ban)(ban)固(gu)化(hua)片(pian)(pian)上(shang)出現有纖(xian)維折斷、大顆粒膠狀物、雜質等缺陷的應(ying)予(yu)剔除(chu)，操作應(ying)戴清潔(jie)的細紗手(shou)套，嚴(yan)禁手(shou)汗、油(you)脂污染；④裁(cai)切(qie)(qie)半(ban)(ban)固(gu)化(hua)片(pian)(pian)時(shi)(shi)，要戴口罩，以免吸(xi)入(ru)樹脂粉。宜穿長衫褲，避免樹脂粉粘(zhan)在(zai)(zai)皮膚而導致痕癢或過敏。同時(shi)(shi)，應(ying)避免樹脂粉進入(ru)眼睛；⑤裁(cai)切(qie)(qie)加工好(hao)的半(ban)(ban)固(gu)化(hua)片(pian)(pian)，應(ying)及時(shi)(shi)放于(yu)1×10^-1^乇以上(shang)的真空柜(ju)中(zhong)，排除(chu)揮(hui)發份(fen)及潮(chao)濕(shi)，禁止(zhi)放入(ru)烘箱或冰箱保存(cun)與(yu)去濕(shi)，防止(zhi)老化(hua)、粘(zhan)結。在(zai)(zai)真空存(cun)貯(zhu)柜(ju)中(zhong)排濕(shi)應(ying)大于(yu)48小時(shi)(shi)；⑥對(dui)新到半(ban)(ban)固(gu)化(hua)片(pian)(pian)應(ying)進行性能測定。隨著(zhu)保管期的增長，材料老化(hua)，直接影響(xiang)流動度和凝膠化(hua)時(shi)(shi)間，它與(yu)產品質量密(mi)切(qie)(qie)相關，是工藝參數(shu)確定的基礎(chu)。有關性能測定方法和計(ji)算，詳見(jian)質量控(kong)制部分。半(ban)(ban)固(gu)化(hua)片(pian)(pian)在(zai)(zai)安裝多(duo)層(ceng)板時(shi)(shi)可以根據需要進行自(zi)由(you)組(zu)合。

電(dian)(dian)(dian)路(lu)板電(dian)(dian)(dian)鍍半(ban)固化(hua)片(pian)(pian)質量檢測(ce)(ce)方法(fa)樹脂含量(％)測(ce)(ce)定(ding)：(1)試片(pian)(pian)的(de)制(zhi)作：按電(dian)(dian)(dian)路(lu)板電(dian)(dian)(dian)鍍半(ban)固化(hua)片(pian)(pian)纖維(wei)方向(xiang)：以(yi)45°角切成100×100(mm)小(xiao)試塊；(2)稱重：使用精確(que)度為0．001克(ke)天平稱重Wl(克(ke))；(3)加(jia)(jia)(jia)熱(re)(re)：在溫度為566．14℃加(jia)(jia)(jia)熱(re)(re)燒60分鐘，冷卻后再進行稱量W2(克(ke))；(4)計算： W1-W2；樹脂含量（％）=(W1-W2) /W1×100。凝膠時(shi)(shi)間(jian)測(ce)(ce)定(ding)：(1)試片(pian)(pian)制(zhi)作：按電(dian)(dian)(dian)路(lu)板電(dian)(dian)(dian)鍍半(ban)固化(hua)片(pian)(pian)纖維(wei)方向(xiang)，以(yi)45°角切成50×50(mm)數塊(每塊約15克(ke))；(2)加(jia)(jia)(jia)熱(re)(re)加(jia)(jia)(jia)壓：調整加(jia)(jia)(jia)熱(re)(re)板溫度為171±3℃、壓力為35Kg／cm2加(jia)(jia)(jia)壓時(shi)(shi)間(jian)15秒；(3)測(ce)(ce)定(ding)：試片(pian)(pian)從(cong)加(jia)(jia)(jia)壓開始時(shi)(shi)間(jian)到固化(hua)時(shi)(shi)間(jian)至是測(ce)(ce)定(ding)的(de)結(jie)果。半(ban)固化(hua)片(pian)(pian)具有機械(xie)強度和耐磨性，可以(yi)承(cheng)受一定(ding)的(de)負(fu)荷和磨損。北京臺光半(ban)固化(hua)片(pian)(pian)

半(ban)固化(hua)(hua)片(pian)的特性也能提(ti)高(gao)多層板(ban)的防水、防火等(deng)性能。重慶(qing)pp半(ban)固化(hua)(hua)片(pian)加工廠

半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)的(de)(de)(de)(de)(de)影(ying)(ying)響：半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)過低(di)(di)會(hui)導致半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)熔(rong)化(hua)(hua)后無(wu)法充(chong)分地(di)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)填充(chong)至無(wu)銅區域，未(wei)填充(chong)的(de)(de)(de)(de)(de)部位就會(hui)出現(xian)(xian)明顯的(de)(de)(de)(de)(de)白(bai)斑(ban)、空(kong)洞。根據半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)不足(zu)的(de)(de)(de)(de)(de)猜(cai)想，提(ti)高(gao)1080和2116半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)，每種流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)各(ge)壓(ya)合24塊印制(zhi)板(ban)。拼(pin)板(ban)中間(jian)的(de)(de)(de)(de)(de)圖形(xing)樣式(shi)為阻流(liu)(liu)(liu)(liu)塊。半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)樹(shu)(shu)脂流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)對電地(di)層(ceng)拼(pin)板(ban)中間(jian)空(kong)曠(kuang)區白(bai)斑(ban)的(de)(de)(de)(de)(de)缺(que)陷有較(jiao)(jiao)小程度(du)(du)(du)的(de)(de)(de)(de)(de)改善(shan)，但影(ying)(ying)響較(jiao)(jiao)小。隨著樹(shu)(shu)脂流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)各(ge)提(ti)高(gao)3.0%，白(bai)斑(ban)缺(que)陷率出現(xian)(xian)小幅度(du)(du)(du)的(de)(de)(de)(de)(de)降(jiang)低(di)(di)，降(jiang)低(di)(di)了(le)8.3%。但繼續提(ti)高(gao)3.0%的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)就沒有實質性的(de)(de)(de)(de)(de)效果，并且還會(hui)產生溢膠嚴(yan)重的(de)(de)(de)(de)(de)新問題。由此可知，提(ti)高(gao)半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)樹(shu)(shu)脂流(liu)(liu)(liu)(liu)動(dong)(dong)(dong)(dong)(dong)度(du)(du)(du)只能(neng)較(jiao)(jiao)小程度(du)(du)(du)地(di)降(jiang)低(di)(di)空(kong)曠(kuang)區出現(xian)(xian)白(bai)斑(ban)缺(que)陷的(de)(de)(de)(de)(de)概(gai)率，只起到輔助的(de)(de)(de)(de)(de)作用。重慶pp半(ban)固(gu)(gu)(gu)(gu)化(hua)(hua)片(pian)(pian)(pian)加工廠

上(shang)海相模機電設備有限(xian)公(gong)(gong)(gong)司(si)是國(guo)內一(yi)家多年來(lai)專注從事覆銅板，半(ban)固化片的(de)老牌企業。公(gong)(gong)(gong)司(si)位于肇嘉浜路(lu)7號徐匯(hui)瑞峰4號樓(lou)1981室，成(cheng)(cheng)(cheng)立于2004-06-11。公(gong)(gong)(gong)司(si)的(de)產品(pin)營(ying)(ying)(ying)銷(xiao)網絡遍布國(guo)內各大市場。公(gong)(gong)(gong)司(si)主要經(jing)營(ying)(ying)(ying)覆銅板，半(ban)固化片等產品(pin)，我們依(yi)托(tuo)高(gao)素質(zhi)的(de)技術(shu)人員(yuan)和(he)(he)銷(xiao)售(shou)(shou)隊(dui)(dui)伍(wu)，本(ben)著(zhu)誠(cheng)信(xin)經(jing)營(ying)(ying)(ying)、理解客(ke)戶(hu)需求為(wei)(wei)經(jing)營(ying)(ying)(ying)原(yuan)則，公(gong)(gong)(gong)司(si)通過良好(hao)的(de)信(xin)譽(yu)和(he)(he)周到(dao)的(de)售(shou)(shou)前、售(shou)(shou)后服(fu)務，贏得用戶(hu)的(de)信(xin)賴和(he)(he)支(zhi)持。公(gong)(gong)(gong)司(si)秉(bing)承以(yi)人為(wei)(wei)本(ben)，科技創新，市場先導，和(he)(he)諧(xie)共(gong)贏的(de)理念(nian)，建立一(yi)支(zhi)由(you)覆銅板，半(ban)固化片專家組成(cheng)(cheng)(cheng)的(de)顧問團隊(dui)(dui)，由(you)經(jing)驗豐富的(de)技術(shu)人員(yuan)組成(cheng)(cheng)(cheng)的(de)研發(fa)和(he)(he)應用團隊(dui)(dui)。上(shang)海相模機電設備有限(xian)公(gong)(gong)(gong)司(si)以(yi)誠(cheng)信(xin)為(wei)(wei)原(yuan)則，以(yi)安(an)全、便(bian)利為(wei)(wei)基礎，以(yi)優(you)惠價(jia)格為(wei)(wei)覆銅板，半(ban)固化片的(de)客(ke)戶(hu)提供貼心(xin)服(fu)務，努力贏得客(ke)戶(hu)的(de)認可和(he)(he)支(zhi)持，歡迎新老客(ke)戶(hu)來(lai)我們公(gong)(gong)(gong)司(si)參觀。

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