在生產(chan)多(duo)層PCB板子中 半固化(hua)必不(bu)可少(shao)(shao)，那么在使用半固化(hua)片(pian)(pian)的(de)時(shi)(shi)候(hou)需(xu)(xu)要(yao)(yao)注意哪些事項呢?主(zhu)(zhu)要(yao)(yao)有(you)以下幾(ji)個(ge)方面(mian)：1.必須要(yao)(yao)在清潔無塵的(de)環境中，將卷料切成(cheng)條形料，然后用切紙刀裁切成(cheng)單件(jian)，尺寸按單片(pian)(pian)坯料長寬各(ge)放大10mm左右;2在定位(wei)孔位(wei)置，成(cheng)疊用臺鉆打定位(wei)孔，孔徑比定位(wei)銷直徑大1.5~2.0mm左右;3操作使用時(shi)(shi)，需(xu)(xu)戴上清潔的(de)細(xi)紗手(shou)套(tao)，這樣(yang)做主(zhu)(zhu)要(yao)(yao)防止有(you)手(shou)汗、油脂(zhi)污染。把半固化(hua)片(pian)(pian)上有(you)出現(xian)纖維折斷、大顆粒膠(jiao)狀物、雜質(zhi)等(deng)缺(que)陷的(de)剔除掉。以更好的(de)保證品質(zhi)。PP片(pian)(pian)的(de)生產(chan)有(you)著相當高的(de)技術含量，生產(chan)工(gong)藝一(yi)般比較復雜。蘇州pp半固化(hua)片(pian)(pian)多(duo)少(shao)(shao)錢一(yi)平(ping)米(mi)

半(ban)(ban)(ban)固(gu)化(hua)(hua)片指將經(jing)過處(chu)理的(de)(de)(de)增(zeng)強(qiang)材料(liao)浸漬(zi)上(shang)樹(shu)脂膠液，再經(jing)熱處(chu)理（預(yu)烘(hong)）使樹(shu)脂進入半(ban)(ban)(ban)固(gu)化(hua)(hua)狀(zhuang)態而制成的(de)(de)(de)薄(bo)片材料(liao)，簡(jian)稱PP。半(ban)(ban)(ban)固(gu)化(hua)(hua)片主(zhu)要(yao)(yao)應(ying)用領域(yu)為環(huan)氧板(ban)(ban)、環(huan)氧管(guan)、覆銅板(ban)(ban)、碳晶發熱板(ban)(ban)等。PCB的(de)(de)(de)生(sheng)產如果是(shi)多(duo)層板(ban)(ban)設(she)計，就必須要(yao)(yao)用到商(shang)品(pin)半(ban)(ban)(ban)固(gu)化(hua)(hua)片。多(duo)層板(ban)(ban)所用商(shang)品(pin)半(ban)(ban)(ban)固(gu)化(hua)(hua)片的(de)(de)(de)主(zhu)要(yao)(yao)外(wai)觀要(yao)(yao)求有：布面(mian)應(ying)平整、無油污(wu)、無污(wu)跡(ji)、無外(wai)來雜(za)質或其(qi)他缺陷、無破裂(lie)和(he)過多(duo)的(de)(de)(de)樹(shu)脂粉末(mo)，但(dan)允許有微裂(lie)紋。商(shang)品(pin)半(ban)(ban)(ban)固(gu)化(hua)(hua)片是(shi)多(duo)層板(ban)(ban)生(sheng)產中的(de)(de)(de)主(zhu)要(yao)(yao)材料(liao)之一，目前用于制造多(duo)層電路板(ban)(ban)的(de)(de)(de)半(ban)(ban)(ban)固(gu)化(hua)(hua)片大多(duo)是(shi)玻璃布作為增(zeng)強(qiang)材料(liao)。重慶臺(tai)光半(ban)(ban)(ban)固(gu)化(hua)(hua)片生(sheng)產廠(chang)家半(ban)(ban)(ban)固(gu)化(hua)(hua)片制成的(de)(de)(de)多(duo)層板(ban)(ban)具有較高(gao)的(de)(de)(de)承載能(neng)力(li)和(he)穩定性。

在生產(chan)多層PCB板子中 半(ban)(ban)固化(hua)必不可少，那么在使用半(ban)(ban)固化(hua)片的(de)時(shi)(shi)候需要(yao)(yao)注意哪(na)些事(shi)項(xiang)呢?主(zhu)要(yao)(yao)有以下幾個(ge)方(fang)面：裁切(qie)半(ban)(ban)固化(hua)片的(de)時(shi)(shi)候，需要(yao)(yao)戴上(shang)防塵口(kou)罩 ，防止吸入樹(shu)脂(zhi)粉(fen)(fen)，對身(shen)體造成傷害，同(tong)時(shi)(shi)要(yao)(yao)穿長衣長褲，避免樹(shu)脂(zhi)粉(fen)(fen)粘在皮膚而(er)導致皮膚過敏(min)或(huo)(huo)者皮膚瘙癢。較(jiao)好(hao)(hao)帶上(shang)特(te)質的(de)眼(yan)罩頭罩 避免樹(shu)脂(zhi)粉(fen)(fen)進入眼(yan)睛(jing)而(er)導致眼(yan)睛(jing)發炎過敏(min)。半(ban)(ban)固化(hua)片裁切(qie)加工好(hao)(hao)后，需要(yao)(yao)及時(shi)(shi)的(de)放于1×10-1乇以上(shang)的(de)真(zhen)空(kong)柜(ju)中，排除揮(hui)發份及潮濕(shi)(shi)，在真(zhen)空(kong)存貯柜(ju)中排濕(shi)(shi)應(ying)大于48小時(shi)(shi)來防止老(lao)(lao)化(hua)、粘結。嚴(yan)禁(jin)放入烘箱(xiang)或(huo)(huo)冰箱(xiang)保存與去濕(shi)(shi).針對對新到(dao)半(ban)(ban)固化(hua)片，應(ying)進行性能測定。因為隨(sui)著保管(guan)期的(de)增長，材料會逐漸老(lao)(lao)化(hua)，這樣直接影(ying)(ying)響其流動度和(he)凝膠化(hua)的(de)時(shi)(shi)間， 從(cong)而(er)影(ying)(ying)響產(chan)品(pin)的(de)品(pin)質。

使(shi)用半固(gu)化片(pian)的(de)原則：如(ru)果樹(shu)(shu)(shu)脂(zhi)(zhi)預固(gu)化程(cheng)度低（凝膠時(shi)(shi)間長），層(ceng)(ceng)壓時(shi)(shi)樹(shu)(shu)(shu)脂(zhi)(zhi)流(liu)失(shi)就多(duo)(duo)，如(ru)果樹(shu)(shu)(shu)脂(zhi)(zhi)中(zhong)揮發物含量(liang)高(gao)(gao)(gao)，層(ceng)(ceng)壓時(shi)(shi)樹(shu)(shu)(shu)脂(zhi)(zhi)含量(liang)高(gao)(gao)(gao)，樹(shu)(shu)(shu)脂(zhi)(zhi)的(de)流(liu)失(shi)也(ye)相應多(duo)(duo)，如(ru)果樹(shu)(shu)(shu)脂(zhi)(zhi)含量(liang)高(gao)(gao)(gao)，層(ceng)(ceng)壓中(zhong)流(liu)失(shi)也(ye)多(duo)(duo)。預固(gu)化程(cheng)度低的(de)樹(shu)(shu)(shu)脂(zhi)(zhi)，其原始(shi)粘度也(ye)小(xiao)，受壓后易外(wai)溢(yi)。層(ceng)(ceng)壓時(shi)(shi)揮發物將因受熱而從(cong)樹(shu)(shu)(shu)脂(zhi)(zhi)中(zhong)逸(yi)出，并(bing)推動樹(shu)(shu)(shu)脂(zhi)(zhi)一起外(wai)流(liu)。層(ceng)(ceng)壓時(shi)(shi)樹(shu)(shu)(shu)脂(zhi)(zhi)流(liu)失(shi)（B%）與半固(gu)化片(pian)的(de)原始(shi)樹(shu)(shu)(shu)脂(zhi)(zhi)凈厚(hou)度（ho）和(he)層(ceng)(ceng)壓時(shi)(shi)某一瞬間的(de)樹(shu)(shu)(shu)脂(zhi)(zhi)凈厚(hou)度h有如(ru)下關(guan)系：B=（1-h/ho）*100%B隨ho增大而增大。0半固(gu)化片(pian)的(de)制作(zuo)過(guo)程(cheng)需(xu)要采(cai)用特殊的(de)壓力、溫度條件。

半固(gu)化(hua)片(pian)熱(re)(re)切(qie)(qie)機的(de)(de)原(yuan)(yuan)(yuan)理(li)是利(li)用(yong)(yong)電(dian)加(jia)熱(re)(re)器(qi)的(de)(de)熱(re)(re)量，將(jiang)原(yuan)(yuan)(yuan)料片(pian)狀(zhuang)(zhuang)(zhuang)產(chan)品(pin)(pin)半固(gu)化(hua)，使(shi)之易于切(qie)(qie)割(ge)(ge)(ge)(ge)。在(zai)半固(gu)化(hua)的(de)(de)過程中，將(jiang)原(yuan)(yuan)(yuan)料片(pian)狀(zhuang)(zhuang)(zhuang)產(chan)品(pin)(pin)由均勻條狀(zhuang)(zhuang)(zhuang)改變(bian)為接近于顆粒(li)狀(zhuang)(zhuang)(zhuang)，從而易于切(qie)(qie)割(ge)(ge)(ge)(ge)。半固(gu)化(hua)片(pian)熱(re)(re)切(qie)(qie)機分為上切(qie)(qie)式和(he)下切(qie)(qie)式兩種結構(gou)(gou)，其切(qie)(qie)割(ge)(ge)(ge)(ge)原(yuan)(yuan)(yuan)理(li)是相同的(de)(de)。該機采用(yong)(yong)電(dian)加(jia)熱(re)(re)器(qi)加(jia)熱(re)(re)，將(jiang)原(yuan)(yuan)(yuan)料片(pian)狀(zhuang)(zhuang)(zhuang)產(chan)品(pin)(pin)半固(gu)化(hua)，使(shi)之易于切(qie)(qie)割(ge)(ge)(ge)(ge)；然后(hou)，利(li)用(yong)(yong)滾輪壓緊原(yuan)(yuan)(yuan)料片(pian)，將(jiang)其推(tui)入切(qie)(qie)割(ge)(ge)(ge)(ge)機構(gou)(gou)；然后(hou)，利(li)用(yong)(yong)切(qie)(qie)割(ge)(ge)(ge)(ge)機構(gou)(gou)，將(jiang)原(yuan)(yuan)(yuan)料片(pian)狀(zhuang)(zhuang)(zhuang)產(chan)品(pin)(pin)切(qie)(qie)割(ge)(ge)(ge)(ge)成指(zhi)定大小的(de)(de)片(pian)狀(zhuang)(zhuang)(zhuang)產(chan)品(pin)(pin)。半固(gu)化(hua)片(pian)一般(ban)PCB生(sheng)產(chan)廠家會用(yong)(yong)到(dao)，主(zhu)要起板(ban)層(ceng)之間的(de)(de)絕緣作用(yong)(yong)。PP片(pian)制作多層(ceng)板(ban)的(de)(de)效率較高，可以滿足(zu)批(pi)量生(sheng)產(chan)的(de)(de)需求。蘇州pp半固(gu)化(hua)片(pian)多少錢一平米

半固化(hua)片在安裝多層板時可以根據需要進(jin)行自由組合。蘇州pp半固化(hua)片多少錢一(yi)平米(mi)

半固化片(pian)質量(liang)(liang)檢測方(fang)法：稱(cheng)(cheng)(cheng)重(zhong)(zhong)：使用(yong)(yong)精確度(du)為0．001克(ke)(ke)(ke)天平稱(cheng)(cheng)(cheng)重(zhong)(zhong)Wl(克(ke)(ke)(ke))；加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)：在溫度(du)為566．14℃加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)燒60分鐘(zhong)，冷卻后再(zai)進(jin)行稱(cheng)(cheng)(cheng)量(liang)(liang)W2(克(ke)(ke)(ke))；計算(suan)： W1-W2。稱(cheng)(cheng)(cheng)重(zhong)(zhong)：使用(yong)(yong)精確度(du)為0．001克(ke)(ke)(ke)天平準(zhun)確稱(cheng)(cheng)(cheng)重(zhong)(zhong)W1(克(ke)(ke)(ke))；加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)：按(an)壓(ya)(ya)床(chuang)加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)板(ban)的溫度(du)調整到171±3℃，當試片(pian)置入加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)板(ban)內，施加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)力為14±2Kg／cm2以上，加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)5分鐘(zhong)，將(jiang)流(liu)(liu)出膠(jiao)切除(chu)并進(jin)行 稱(cheng)(cheng)(cheng)量(liang)(liang)W2（克(ke)(ke)(ke)）；計算(suan)：樹脂流(liu)(liu)量(liang)(liang)（%）=(W1-W2) /W1×100。加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)：調整加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)板(ban)溫度(du)為171±3℃、壓(ya)(ya)力為35Kg／cm2加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)時間15秒；測定(ding)：試片(pian)從加(jia)(jia)(jia)(jia)(jia)壓(ya)(ya)開始(shi)時間到固化時間至是(shi)測定(ding)的結果。稱(cheng)(cheng)(cheng)量(liang)(liang)：使用(yong)(yong)精確度(du)為0．001克(ke)(ke)(ke)天平稱(cheng)(cheng)(cheng)重(zhong)(zhong)W1(克(ke)(ke)(ke))；加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)：使用(yong)(yong)空氣循環式恒溫槽，在163±3℃加(jia)(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)15分鐘(zhong)然后再(zai)用(yong)(yong)天平稱(cheng)(cheng)(cheng)重(zhong)(zhong)W2(克(ke)(ke)(ke))；計算(suan)：揮發分（%）=(W1-W2) /W1×100蘇州(zhou)pp半固化片(pian)多少錢一(yi)平米

上海(hai)相模(mo)機(ji)電設(she)(she)備(bei)有限公司位于肇(zhao)嘉浜路(lu)7號(hao)徐匯瑞峰4號(hao)樓1981室。上海(hai)相模(mo)致力于為(wei)(wei)(wei)客(ke)戶(hu)提供良好(hao)(hao)的(de)(de)(de)覆銅板，半(ban)固化片，一切以(yi)用戶(hu)需求(qiu)為(wei)(wei)(wei)中心(xin)，深受廣大(da)客(ke)戶(hu)的(de)(de)(de)歡迎。公司秉(bing)持誠信為(wei)(wei)(wei)本(ben)的(de)(de)(de)經(jing)營理(li)(li)念，在機(ji)械及(ji)行業設(she)(she)備(bei)深耕多(duo)年，以(yi)技術為(wei)(wei)(wei)先導，以(yi)自主產品為(wei)(wei)(wei)重點，發揮人(ren)才優勢(shi)，打造(zao)機(ji)械及(ji)行業設(she)(she)備(bei)良好(hao)(hao)品牌。上海(hai)相模(mo)秉(bing)承“客(ke)戶(hu)為(wei)(wei)(wei)尊、服務為(wei)(wei)(wei)榮、創意(yi)為(wei)(wei)(wei)先、技術為(wei)(wei)(wei)實”的(de)(de)(de)經(jing)營理(li)(li)念，全力打造(zao)公司的(de)(de)(de)重點競爭力。

本文來自宜興市恒(heng)通(tong)風機(ji)有限公司：//vijoo.com.cn/Article/99c77999121.html