顯(xian)而易(yi)見，FPC曝光的(de)目的(de)就是為(wei)(wei)了(le)(le)(le)通(tong)過化(hua)學反(fan)應，將(jiang)底片(pian)上的(de)圖形(xing)轉移到干(gan)膜上。在這(zhe)個過程中就需要注意曝光的(de)能(neng)力和曝光等級(ji)。層壓(ya)這(zhe)個步驟是為(wei)(wei)了(le)(le)(le)利用高(gao)(gao)溫將(jiang)保護(hu)膜的(de)熱硬化(hua)融化(hua)，并利用高(gao)(gao)壓(ya)將(jiang)膠(jiao)擠壓(ya)到線路間，較終使膠(jiao)冷(leng)卻老化(hua)。在制作(zuo)過程中，文字(zi)、綠油(you)、銀漿、acp膠(jiao)等部分(fen)(fen)都(dou)是屬于絲(si)印(yin)過程的(de)。這(zhe)是為(wei)(wei)了(le)(le)(le)通(tong)過絲(si)網漏(lou)印(yin)的(de)方(fang)式實(shi)現油(you)墨印(yin)刷在預先設計(ji)的(de)絲(si)印(yin)區域內。就表(biao)面處理過程來(lai)說，它還包括了(le)(le)(le)表(biao)面涂覆(fu)。這(zhe)是為(wei)(wei)了(le)(le)(le)打掃銅(tong)箔表(biao)面的(de)雜質。而且在銅(tong)箔裸露部分(fen)(fen)鍍上一(yi)層鎳金防止銅(tong)箔生(sheng)銹，提(ti)高(gao)(gao)焊接性和耐插拔性。應避免存(cun)放FPC柔(rou)性電路板在強烈的(de)電磁干(gan)擾環境中，以免影響其(qi)正(zheng)常工作(zuo)。帶阻抗FPC柔(rou)性電路板哪里有

FPC線(xian)(xian)路板(ban)(ban)(ban)(ban)是(shi)以聚酰亞胺或聚酯薄膜(mo)為(wei)(wei)基(ji)材(cai)制成的(de)一種(zhong)具有高度可靠性(xing)(xing)，良(liang)好的(de)可撓性(xing)(xing)印刷(shua)電(dian)路。但很多人不知道的(de)是(shi)，這種(zhong)產品(pin)從結(jie)構上(shang)講，有單(dan)層(ceng)板(ban)(ban)(ban)(ban)、雙面(mian)(mian)(mian)板(ban)(ban)(ban)(ban)、多層(ceng)板(ban)(ban)(ban)(ban)之分(fen)，雖然(ran)它們的(de)結(jie)構有不同(tong)，但較基(ji)礎結(jie)構都為(wei)(wei)基(ji)材(cai)銅(tong)(tong)加上(shang)覆(fu)蓋膜(mo)。單(dan)面(mian)(mian)(mian)板(ban)(ban)(ban)(ban)的(de)結(jie)構為(wei)(wei)單(dan)面(mian)(mian)(mian)基(ji)材(cai)加上(shang)覆(fu)蓋膜(mo)，即在(zai)單(dan)面(mian)(mian)(mian)基(ji)材(cai)的(de)銅(tong)(tong)面(mian)(mian)(mian)制出線(xian)(xian)路，在(zai)覆(fu)膜(mo)，后經(jing)過后期處理(li)做出成品(pin)。雙面(mian)(mian)(mian)板(ban)(ban)(ban)(ban)的(de)結(jie)構為(wei)(wei)雙面(mian)(mian)(mian)基(ji)材(cai)（正反兩(liang)面(mian)(mian)(mian)都為(wei)(wei)銅(tong)(tong)面(mian)(mian)(mian)），在(zai)正反銅(tong)(tong)面(mian)(mian)(mian)制出線(xian)(xian)路，兩(liang)面(mian)(mian)(mian)線(xian)(xian)路間可經(jing)過導通孔實現互(hu)通，然(ran)后在(zai)兩(liang)面(mian)(mian)(mian)銅(tong)(tong)之上(shang)覆(fu)膜(mo)，較后經(jing)后期處理(li)。濟南六層(ceng)fpc柔性(xing)(xing)印刷(shua)電(dian)路板(ban)(ban)(ban)(ban)多少錢避免彎曲(qu)和(he)過度扭曲(qu)FPC柔性(xing)(xing)電(dian)路板(ban)(ban)(ban)(ban)，以防損壞電(dian)路線(xian)(xian)路和(he)焊點。

FPC焊(han)(han)(han)(han)(han)接(jie)(jie)(jie)步(bu)(bu)驟(zou)(zou)烙(luo)(luo)鐵(tie)焊(han)(han)(han)(han)(han)接(jie)(jie)(jie)的(de)(de)(de)具體(ti)操(cao)作(zuo)步(bu)(bu)驟(zou)(zou)可分為五步(bu)(bu)，稱為五步(bu)(bu)工程(cheng)法(fa)，要(yao)(yao)獲(huo)得良好的(de)(de)(de)焊(han)(han)(han)(han)(han)接(jie)(jie)(jie)質量必須(xu)嚴(yan)格的(de)(de)(de)按步(bu)(bu)驟(zou)(zou)操(cao)作(zuo)。按步(bu)(bu)驟(zou)(zou)進(jin)行焊(han)(han)(han)(han)(han)接(jie)(jie)(jie)是(shi)(shi)獲(huo)得良好焊(han)(han)(han)(han)(han)點(dian)的(de)(de)(de)關(guan)鍵之一。在實際生產中，較(jiao)容(rong)(rong)易(yi)出(chu)現的(de)(de)(de)一種(zhong)違反操(cao)作(zuo)步(bu)(bu)驟(zou)(zou)的(de)(de)(de)做法(fa)就(jiu)是(shi)(shi)烙(luo)(luo)鐵(tie)頭不是(shi)(shi)先(xian)與被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)接(jie)(jie)(jie)觸(chu)，而是(shi)(shi)先(xian)與焊(han)(han)(han)(han)(han)錫絲接(jie)(jie)(jie)觸(chu)，熔化的(de)(de)(de)焊(han)(han)(han)(han)(han)錫滴落在尚(shang)末預熱的(de)(de)(de)被(bei)(bei)焊(han)(han)(han)(han)(han)部(bu)位，這樣很容(rong)(rong)易(yi)產生焊(han)(han)(han)(han)(han)點(dian)虛焊(han)(han)(han)(han)(han)，所以(yi)烙(luo)(luo)鐵(tie)頭必須(xu)與被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)接(jie)(jie)(jie)觸(chu)，對被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)進(jin)行預熱是(shi)(shi)防止(zhi)產生虛焊(han)(han)(han)(han)(han)的(de)(de)(de)重要(yao)(yao)手段(duan)。接(jie)(jie)(jie)觸(chu)位置：烙(luo)(luo)鐵(tie)頭應同時接(jie)(jie)(jie)觸(chu)要(yao)(yao)相互連接(jie)(jie)(jie)的(de)(de)(de)2個被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)（如(ru)焊(han)(han)(han)(han)(han)腳(jiao)與焊(han)(han)(han)(han)(han)盤(pan)），烙(luo)(luo)鐵(tie)一般傾(qing)斜45度(du)，應避免只與其中一個被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)接(jie)(jie)(jie)觸(chu)。當兩個被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)熱容(rong)(rong)量懸殊時，應適當調整(zheng)烙(luo)(luo)鐵(tie)傾(qing)斜角(jiao)(jiao)度(du)，烙(luo)(luo)鐵(tie)與焊(han)(han)(han)(han)(han)接(jie)(jie)(jie)面的(de)(de)(de)傾(qing)斜角(jiao)(jiao)越小，使熱容(rong)(rong)量較(jiao)大的(de)(de)(de)被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)與烙(luo)(luo)鐵(tie)的(de)(de)(de)接(jie)(jie)(jie)觸(chu)面積增大，熱傳導能(neng)力加(jia)強。如(ru)LCD拉焊(han)(han)(han)(han)(han)時傾(qing)斜角(jiao)(jiao)在30度(du)左右(you)，焊(han)(han)(han)(han)(han)麥克風、馬達、喇叭(ba)等傾(qing)斜角(jiao)(jiao)可在40度(du)左右(you)。兩個被(bei)(bei)焊(han)(han)(han)(han)(han)件(jian)能(neng)在相同的(de)(de)(de)時間里(li)達到相同的(de)(de)(de)溫度(du)，被(bei)(bei)視為加(jia)熱理(li)想狀態。

FPC柔(rou)(rou)性(xing)線路(lu)板，也稱為柔(rou)(rou)性(xing)電(dian)(dian)(dian)(dian)(dian)路(lu)板，是一種通過(guo)將電(dian)(dian)(dian)(dian)(dian)子(zi)器件(jian)安裝(zhuang)在柔(rou)(rou)性(xing)塑料基板上來(lai)組(zu)裝(zhuang)電(dian)(dian)(dian)(dian)(dian)子(zi)電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)技(ji)術，例如聚酰(xian)亞胺，PEEK或(huo)(huo)透明導(dao)電(dian)(dian)(dian)(dian)(dian)聚酯膜。另(ling)外，柔(rou)(rou)性(xing)電(dian)(dian)(dian)(dian)(dian)路(lu)可(ke)以是聚酯上的(de)(de)絲網印刷銀電(dian)(dian)(dian)(dian)(dian)路(lu)。可(ke)以使用(yong)用(yong)于剛(gang)性(xing)印刷電(dian)(dian)(dian)(dian)(dian)路(lu)板的(de)(de)相同(tong)部件(jian)來(lai)制造柔(rou)(rou)性(xing)電(dian)(dian)(dian)(dian)(dian)子(zi)組(zu)件(jian) ，允許電(dian)(dian)(dian)(dian)(dian)路(lu)板符合(he)(he)所需(xu)的(de)(de)形狀(zhuang)，或(huo)(huo)在使用(yong)過(guo)程(cheng)中彎曲。柔(rou)(rou)性(xing)電(dian)(dian)(dian)(dian)(dian)子(zi)器件(jian)的(de)(de)另(ling)一種方法提出了(le)各種蝕刻技(ji)術，以將傳(chuan)統的(de)(de)硅襯底薄化到幾(ji)十微米(mi)以獲得(de)合(he)(he)理(li)的(de)(de)靈活(huo)性(xing)，稱為柔(rou)(rou)性(xing)硅（約5mm彎曲半徑）。在FPC柔(rou)(rou)性(xing)電(dian)(dian)(dian)(dian)(dian)路(lu)板布線時，注意電(dian)(dian)(dian)(dian)(dian)路(lu)線路(lu)的(de)(de)布局和(he)隔(ge)離，避免相互干(gan)擾和(he)串(chuan)擾。

淺析(xi)印(yin)(yin)刷線路板(ban)(ban)(ban)(ban)(ban)(ban)構造FPC與(yu)PCB不一(yi)樣的(de)(de)(de)運(yun)用(yong)(yong)：有(you)關PCB，就是(shi)(shi)說說白了印(yin)(yin)刷電(dian)路板(ban)(ban)(ban)(ban)(ban)(ban)（印(yin)(yin)刷線路板(ban)(ban)(ban)(ban)(ban)(ban)），一(yi)般(ban)都是(shi)(shi)被稱作硬板(ban)(ban)(ban)(ban)(ban)(ban)。是(shi)(shi)電(dian)子元件之中(zhong)的(de)(de)(de)支(zhi)撐體，是(shi)(shi)很關鍵的(de)(de)(de)電(dian)子器件構件。PCB一(yi)般(ban)用(yong)(yong)FR4玻(bo)纖板(ban)(ban)(ban)(ban)(ban)(ban)做(zuo)板(ban)(ban)(ban)(ban)(ban)(ban)材(cai)，也叫硬板(ban)(ban)(ban)(ban)(ban)(ban)，是(shi)(shi)不可以(yi)(yi)彎(wan)曲、撓(nao)曲的(de)(de)(de)。PCB一(yi)般(ban)運(yun)用(yong)(yong)在(zai)一(yi)些不用(yong)(yong)彎(wan)曲請要(yao)有(you)較為硬抗壓(ya)強度的(de)(de)(de)地區(qu)，如筆記本(ben)主板(ban)(ban)(ban)(ban)(ban)(ban)、手機主板(ban)(ban)(ban)(ban)(ban)(ban)等。而FPC，實際(ji)上歸屬(shu)于(yu)PCB的(de)(de)(de)一(yi)種，可是(shi)(shi)與(yu)傳統式的(de)(de)(de)印(yin)(yin)刷電(dian)路板(ban)(ban)(ban)(ban)(ban)(ban)又(you)有(you)挺大(da)的(de)(de)(de)進出。將其稱作柔性(xing)線路板(ban)(ban)(ban)(ban)(ban)(ban)，全稱之為撓(nao)曲性(xing)電(dian)路板(ban)(ban)(ban)(ban)(ban)(ban)。FPC一(yi)般(ban)用(yong)(yong)PI做(zuo)板(ban)(ban)(ban)(ban)(ban)(ban)材(cai)，是(shi)(shi)軟性(xing)原材(cai)料(liao)，能夠隨意開展彎(wan)曲、撓(nao)曲。存放FPC柔性(xing)電(dian)路板(ban)(ban)(ban)(ban)(ban)(ban)時，應避免與(yu)尖銳物體接觸，以(yi)(yi)免刮(gua)傷(shang)或穿刺。濟南新能源汽車柔性(xing)電(dian)路板(ban)(ban)(ban)(ban)(ban)(ban)打樣

FPC的厚度必須更加靈活，必須做到更薄。帶(dai)阻抗(kang)FPC柔性電路(lu)板(ban)哪里有

FPC熱穩定性冶金結合：由于焊(han)料(liao)與母(mu)材(cai)相(xiang)互擴散，在(zai)兩種(zhong)金屬(shu)(shu)之間形成了(le)一個中間層－－金屬(shu)(shu)化(hua)合物(wu)，要(yao)(yao)獲得良好(hao)的焊(han)點，被(bei)焊(han)母(mu)材(cai)與焊(han)料(liao)之間必(bi)須形成金屬(shu)(shu)化(hua)合物(wu)，從而使(shi)母(mu)材(cai)達到(dao)牢固的冶金結合狀態。當助(zhu)焊(han)劑在(zai)去(qu)除氧化(hua)物(wu)的同時，必(bi)須還要(yao)(yao)形成一個保護膜，防止被(bei)焊(han)物(wu)表(biao)面再度氧化(hua)，直到(dao)接(jie)觸焊(han)錫(xi)(xi)為(wei)止。所以(yi)助(zhu)焊(han)劑必(bi)須能承受高溫(wen)，在(zai)焊(han)錫(xi)(xi)作業(ye)的溫(wen)度下(xia)不會分解或蒸發，如(ru)果(guo)分解則會形成溶(rong)劑不溶(rong)物(wu)，難以(yi)用溶(rong)劑清(qing)洗(xi)，W/W級的純松香在(zai)280℃左右會分解，此應特(te)別注意。帶阻抗FPC柔(rou)性電路板哪里有

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