博(Bo)运(Yun)发(Fa)---欢(Huan)迎(Ying)客(Ke)户(Hu)朋(Peng)友(You)来(Lai)我(Wo)司(Si)工(Gong)厂(Chang)考(Kao)察(Cha)指(Zhi)导(Dao)!(?)
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工(Gong)业(Ye)级(Ji)电(Dian)路(Lu)板(Ban)核(He)心(Xin)厂(Chang)家(Jia)
一(Yi)站(Zhan)式(Shi)PCBA制(Zhi)造(Zao)服(Fu)务(Wu)专(Zhuan)家(Jia)
发(Fa)布(Bu)时(Shi)间(Jian):(?)2017-12-18
在(Zai)互(Hu)联(Lian)PCB板(Ban)的(De)技(Ji)术(Shu)上(Shang)一(Yi)般(Ban)来(Lai)说(Shuo)有(You)三(San)种(Zhong)形(Xing)式(Shi):(?)
在(Zai)这(Zhe)项(Xiang)技(Ji)术(Shu)中(Zhong),(?)所(Suo)有(You)的(De)钻(Zuan)孔(Kong)都(Du)要(Yao)穿(Chuan)通(Tong)面(Mian)板(Ban),(?)不(Bu)管(Guan)它(Ta)们(Men)是(Shi)否(Fou)像(Xiang)元(Yuan)器(Qi)件(Jian)孔(Kong)一(Yi)样(Yang)或(Huo)像(Xiang)过(Guo)孔(Kong)一(Yi)样(Yang)被(Bei)应(Ying)用(Yong)。(?)这(Zhe)项(Xiang)技(Ji)术(Shu)的(De)
主(Zhu)要(Yao)缺(Que)点(Dian)是(Shi)通(Tong)孔(Kong)要(Yao)占(Zhan)用(Yong)所(Suo)有(You)层(Ceng)的(De)珍(Zhen)贵(Gui)空(Kong)间(Jian),(?)而(?)不(Bu)考(Kao)虑(Lu)该(Gai)层(Ceng)是(Shi)否(Fou)需(Xu)要(Yao)进(Jin)行(Xing)电(Dian)气(Qi)连(Lian)接(Jie)。(?)
埋(Mai)孔(Kong)埋(Mai)孔(Kong)是(Shi)连(Lian)接(Jie)多(Duo)基(Ji)板(Ban)的(De)两(Liang)层(Ceng)或(Huo)更(Geng)多(Duo)层(Ceng)的(De)镀(Du)通(Tong)孔(Kong),(?)埋(Mai)孔(Kong)处(Chu)于(Yu)电(Dian)路(Lu)板(Ban)的(De)内(Nei)层(Ceng)结(Jie)构(Gou)中(Zhong),(?)不(Bu)出(Chu)现(Xian)在(Zai)电(Dian)路(Lu)板(Ban)的(De)外(Wai)表(Biao)面(Mian)上(Shang)。(?)
与(Yu)传(Chuan)统(Tong)的(De)镀(Du)通(Tong)孔(Kong)结(Jie)构(Gou)相(Xiang)比(Bi),(?)埋(Mai)孔(Kong)节(Jie)约(Yue)了(Liao)很(Hen)大(Da)的(De)空(Kong)间(Jian)。(?)当(Dang)信(Xin)号(Hao)线(Xian)密(Mi)度(Du)很(Hen)大(Da),(?)需(Xu)要(Yao)更(Geng)多(Duo)的(De)孔(Kong)位(Wei)连(Lian)接(Jie)信(Xin)号(Hao)层(Ceng),(?)也(Ye)需(Xu)要(Yao)
更(Geng)多(Duo)的(De)信(Xin)号(Hao)走(Zou)线(Xian)通(Tong)路(Lu)的(De)时(Shi)候(Hou),(?)可(Ke)采(Cai)用(Yong)埋(Mai)孔(Kong)技(Ji)术(Shu)。(?)然(Ran)而(?),(?)因(Yin)为(Wei)埋(Mai)孔(Kong)技(Ji)术(Shu)需(Xu)要(Yao)更(Geng)多(Duo)的(De)程(Cheng)序(Xu)步(Bu)骤(Zhou),(?)所(Suo)以(Yi)线(Xian)路(Lu)密(Mi)度(Du)的(De)优(You)
点(Dian)是(Shi)增(Zeng)大(Da)电(Dian)路(Lu)板(Ban)的(De)成(Cheng)本(Ben)。(?)
盲(Mang)孔(Kong)盲(Mang)孔(Kong)是(Shi)将(Jiang)多(Duo)基(Ji)板(Ban)的(De)表(Biao)层(Ceng)连(Lian)接(Jie)到(Dao)一(Yi)层(Ceng)或(Huo)更(Geng)多(Duo)层(Ceng)的(De)镀(Du)通(Tong)孔(Kong),(?)它(Ta)们(Men)不(Bu)穿(Chuan)过(Guo)板(Ban)的(De)全(Quan)部(Bu)厚(Hou)度(Du)。(?)图(Tu)3 为(Wei)典(Dian)型(Xing)盲(Mang)孔(Kong)技(Ji)术(Shu)的(De)
实(Shi)例(Li)。(?)在(Zai)多(Duo)基(Ji)板(Ban)的(De)双(Shuang)面(Mian)上(Shang)都(Du)可(Ke)以(Yi)使(Shi)用(Yong)盲(Mang)孔(Kong),(?)盲(Mang)孔(Kong)可(Ke)以(Yi)连(Lian)接(Jie)过(Guo)孔(Kong)和(He)穿(Chuan)过(Guo)电(Dian)路(Lu)板(Ban)的(De)元(Yuan)器(Qi)件(Jian)孔(Kong)。(?)
盲(Mang)孔(Kong)可(Ke)以(Yi)在(Zai)板(Ban)层(Ceng)上(Shang)彼(Bi)此(Ci)堆(Dui)叠(Die),(?)并(Bing)且(Qie)能(Neng)被(Bei)做(Zuo)得(De)更(Geng)小(Xiao),(?)这(Zhe)样(Yang)就(Jiu)可(Ke)以(Yi)提(Ti)供(Gong)更(Geng)多(Duo)的(De)空(Kong)间(Jian)或(Huo)布(Bu)设(She)更(Geng)多(Duo)的(De)信(Xin)号(Hao)线(Xian)。(?)
对(Dui)于(Yu)SMD 和(He)连(Lian)接(Jie)器(Qi)而(?)言(Yan),(?)盲(Mang)孔(Kong)技(Ji)术(Shu)格(Ge)外(Wai)有(You)用(Yong),(?)因(Yin)为(Wei)它(Ta)们(Men)不(Bu)需(Xu)要(Yao)大(Da)的(De)元(Yuan)器(Qi)件(Jian)孔(Kong),(?)只(Zhi)需(Xu)要(Yao)小(Xiao)的(De)过(Guo)孔(Kong)将(Jiang)外(Wai)表(Biao)面(Mian)与(Yu)内(Nei)层(Ceng)
相(Xiang)接(Jie)。(?)在(Zai)非(Fei)常(Chang)密(Mi)集(Ji)且(Qie)厚(Hou)的(De)多(Duo)基(Ji)板(Ban)上(Shang),(?)通(Tong)过(Guo)使(Shi)用(Yong)表(Biao)面(Mian)贴(Tie)装(Zhuang)技(Ji)术(Shu)可(Ke)以(Yi)减(Jian)轻(Qing)重(Zhong)量(Liang),(?)也(Ye)为(Wei)设(She)计(Ji)者(Zhe)提(Ti)供(Gong)了(Liao)充(Chong)分(Fen)的(De)设(She)计(Ji)空(Kong)间(Jian)。(?)
不(Bu)管(Guan)是(Shi)哪(Na)种(Zhong)方(Fang)式(Shi)都(Du)需(Xu)要(Yao)综(Zong)合(He)各(Ge)方(Fang)面(Mian)的(De)要(Yao)求(Qiu),(?)根(Gen)据(Ju)不(Bu)同(Tong)的(De)需(Xu)要(Yao)进(Jin)行(Xing)相(Xiang)应(Ying)的(De)处(Chu)理(Li)。(?)
上(Shang)一(Yi)条(Tiao):(?) PCB抄(Chao)板(Ban)工(Gong)艺(Yi)的(De)一(Yi)些(Xie)小(Xiao)原(Yuan)则(Ze)!(?)
下(Xia)一(Yi)条(Tiao):(?) 什(Shi)么(Me)是(Shi)蓝(Lan)胶(Jiao)PCB板(Ban)?(?)生(Sheng)产(Chan)能(Neng)力(Li)?(?)哪(Na)些(Xie)注(Zhu)意(Yi)事(Shi)项(Xiang)?(?)
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