ICC讯(Xun) 键(Jian)合(He)线(Xian)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)电(Dian)子(Zi)设(She)备(Bei)、(?)半(Ban)导(Dao)体(Ti)产(Chan)业(Ye)和(He)微(Wei)电(Dian)子(Zi)领(Ling)域(Yu)。(?)它(Ta)能(Neng)够(Gou)将(Jiang)集(Ji)成(Cheng)电(Dian)路(Lu)(IC)中(Zhong)的(De)裸(Luo)片(Pian)与(Yu)其(Qi)他(Ta)电(Dian)子(Zi)元(Yuan)器(Qi)件(Jian)(如(Ru)晶(Jing)体(Ti)管(Guan)和(He)电(Dian)阻(Zu)器(Qi))进(Jin)行(Xing)连(Lian)接(Jie)。(?)键(Jian)合(He)线(Xian)可(Ke)在(Zai)芯(Xin)片(Pian)的(De)键(Jian)合(He)焊(Han)盘(Pan)与(Yu)封(Feng)装(Zhuang)基(Ji)板(Ban)或(Huo)另(Ling)一(Yi)块(Kuai)芯(Xin)片(Pian)的(De)相(Xiang)应(Ying)焊(Han)盘(Pan)之(Zhi)间(Jian)建(Jian)立(Li)电(Dian)气(Qi)连(Lian)接(Jie)。(?)
半(Ban)导(Dao)体(Ti)和(He)电(Dian)子(Zi)设(She)备(Bei)制(Zhi)造(Zao)市(Shi)场(Chang)正(Zheng)在(Zai)持(Chi)续(Xu)扩(Kuo)展(Zhan)其(Qi)版(Ban)图(Tu)。(?)据(Ju)《(?)财(Cai)富(Fu)商(Shang)业(Ye)洞(Dong)察(Cha)》(?)最(Zui)近(Jin)发(Fa)布(Bu)的(De)一(Yi)份(Fen)报(Bao)告(Gao)中(Zhong)预(Yu)测(Ce),(?)到(Dao) 2032 年(Nian),(?)半(Ban)导(Dao)体(Ti)市(Shi)场(Chang)预(Yu)计(Ji)将(Jiang)突(Tu)破(Po) 20625.9
亿(Yi)美(Mei)元(Yuan)大(Da)关(Guan)。(?)随(Sui)着(Zhuo)市(Shi)场(Chang)需(Xu)求(Qiu)的(De)不(Bu)断(Duan)攀(Pan)升(Sheng),(?)键(Jian)合(He)线(Xian)测(Ce)试(Shi)的(De)重(Zhong)要(Yao)性(Xing)亦(Yi)随(Sui)之(Zhi)日(Ri)益(Yi)凸(Tu)显(Xian)。(?)这(Zhe)些(Xie)连(Lian)接(Jie)对(Dui)于(Yu)将(Jiang)半(Ban)导(Dao)体(Ti)裸(Luo)片(Pian)与(Yu)封(Feng)装(Zhuang)引(Yin)线(Xian)或(Huo)基(Ji)板(Ban)相(Xiang)连(Lian)而(?)言(Yan)起(Qi)着(Zhuo)至(Zhi)关(Guan)重(Zhong)要(Yao)的(De)作(Zuo)用(Yong)。(?)一(Yi)旦(Dan)这(Zhe)些(Xie)键(Jian)合(He)工(Gong)艺(Yi)中(Zhong)出(Chu)现(Xian)任(Ren)何(He)缺(Que)陷(Xian),(?)都(Du)可(Ke)能(Neng)引(Yin)发(Fa)诸(Zhu)如(Ru)开(Kai)路(Lu)或(Huo)短(Duan)路(Lu)等(Deng)问(Wen)题(Ti),(?)进(Jin)而(?)对(Dui)设(She)备(Bei)的(De)整(Zheng)体(Ti)性(Xing)能(Neng)造(Zao)成(Cheng)严(Yan)重(Zhong)影(Ying)响(Xiang)。(?)因(Yin)此(Ci),(?)进(Jin)行(Xing)键(Jian)合(He)线(Xian)测(Ce)试(Shi),(?)不(Bu)仅(Jin)是(Shi)为(Wei)了(Liao)确(Que)保(Bao)产(Chan)品(Pin)的(De)可(Ke)靠(Kao)性(Xing)和(He)降(Jiang)低(Di)生(Sheng)产(Chan)成(Cheng)本(Ben),(?)更(Geng)是(Shi)为(Wei)了(Liao)确(Que)保(Bao)产(Chan)品(Pin)能(Neng)够(Gou)符(Fu)合(He)行(Xing)业(Ye)标(Biao)准(Zhun)。(?)
以(Yi)下(Xia)是(Shi)影(Ying)响(Xiang)键(Jian)合(He)线(Xian)效(Xiao)果(Guo)的(De)一(Yi)些(Xie)常(Chang)见(Jian)缺(Que)陷(Xian):(?)
导(Dao)线(Xian)下(Xia)垂(Chui):(?)当(Dang)导(Dao)线(Xian)受(Shou)到(Dao)张(Zhang)力(Li)时(Shi)发(Fa)生(Sheng)拉(La)伸(Shen)或(Huo)下(Xia)垂(Chui),(?)就(Jiu)会(Hui)导(Dao)致(Zhi)接(Jie)触(Chu)不(Bu)良(Liang),(?)进(Jin)而(?)影(Ying)响(Xiang)电(Dian)气(Qi)性(Xing)能(Neng)。(?)
导(Dao)线(Xian)偏(Pian)移(Yi):(?)这(Zhe)是(Shi)指(Zhi)在(Zai)键(Jian)合(He)过(Guo)程(Cheng)中(Zhong)导(Dao)线(Xian)发(Fa)生(Sheng)横(Heng)向(Xiang)移(Yi)动(Dong),(?)从(Cong)而(?)导(Dao)致(Zhi)错(Cuo)位(Wei),(?)进(Jin)而(?)造(Zao)成(Cheng)连(Lian)接(Jie)不(Bu)可(Ke)靠(Kao)。(?)
形(Xing)成(Cheng)引(Yin)线(Xian)环(Huan):(?)若(Ruo)导(Dao)线(Xian)出(Chu)现(Xian)意(Yi)外(Wai)多(Duo)余(Yu)的(De)部(Bu)分(Fen),(?)就(Jiu)可(Ke)能(Neng)会(Hui)形(Xing)成(Cheng)环(Huan)状(Zhuang),(?)这(Zhe)不(Bu)仅(Jin)会(Hui)损(Sun)害(Hai)键(Jian)合(He)的(De)质(Zhi)量(Liang),(?)还(Huan)会(Hui)对(Dui)设(She)备(Bei)的(De)功(Gong)能(Neng)造(Zao)成(Cheng)不(Bu)利(Li)影(Ying)响(Xiang)。(?)
导(Dao)线(Xian)短(Duan)路(Lu):(?)这(Zhe)是(Shi)一(Yi)种(Zhong)极(Ji)为(Wei)严(Yan)重(Zhong)的(De)缺(Que)陷(Xian),(?)具(Ju)体(Ti)表(Biao)现(Xian)为(Wei)两(Liang)根(Gen)导(Dao)线(Xian)之(Zhi)间(Jian)发(Fa)生(Sheng)了(Liao)意(Yi)外(Wai)的(De)电(Dian)气(Qi)接(Jie)触(Chu),(?)进(Jin)而(?)可(Ke)能(Neng)引(Yin)发(Fa)电(Dian)路(Lu)故(Gu)障(Zhang),(?)甚(Shen)至(Zhi)导(Dao)致(Zhi)整(Zheng)个(Ge)设(She)备(Bei)的(De)完(Wan)全(Quan)失(Shi)效(Xiao)。(?)
导(Dao)线(Xian)开(Kai)路(Lu):(?)这(Zhe)是(Shi)指(Zhi)本(Ben)应(Ying)与(Yu)焊(Han)盘(Pan)形(Xing)成(Cheng)电(Dian)气(Qi)连(Lian)接(Jie)的(De)导(Dao)线(Xian)发(Fa)生(Sheng)了(Liao)断(Duan)开(Kai),(?)从(Cong)而(?)使(Shi)得(De)电(Dian)路(Lu)无(Wu)法(Fa)形(Xing)成(Cheng)闭(Bi)合(He)回(Hui)路(Lu),(?)进(Jin)而(?)对(Dui)设(She)备(Bei)的(De)正(Zheng)常(Chang)功(Gong)能(Neng)造(Zao)成(Cheng)影(Ying)响(Xiang)。(?)
测(Ce)试(Shi)方(Fang)法(Fa)概(Gai)述(Shu)
测(Ce)试(Shi)键(Jian)合(He)线(Xian)缺(Que)陷(Xian)时(Shi),(?)最(Zui)广(Guang)泛(Fan)采(Cai)用(Yong)的(De)方(Fang)法(Fa)包(Bao)括(Kuo)使(Shi)用(Yong)自(Zi)动(Dong) X 射(She)线(Xian)检(Jian)测(Ce)技(Ji)术(Shu) (AXI) 进(Jin)行(Xing)光(Guang)学(Xue)/X 射(She)线(Xian)检(Jian)测(Ce),(?)以(Yi)及(Ji)借(Jie)助(Zhu)自(Zi)动(Dong)测(Ce)试(Shi)设(She)备(Bei) (ATE)
进(Jin)行(Xing)电(Dian)气(Qi)测(Ce)试(Shi)。(?)
AXI 技(Ji)术(Shu)通(Tong)过(Guo)使(Shi)用(Yong) X
射(She)线(Xian)的(De)穿(Chuan)透(Tou)能(Neng)力(Li),(?)能(Neng)够(Gou)捕(Bu)捉(Zhuo)到(Dao)键(Jian)合(He)线(Xian)的(De)精(Jing)细(Xi)图(Tu)像(Xiang),(?)从(Cong)而(?)有(You)效(Xiao)检(Jian)测(Ce)出(Chu)如(Ru)异(Yi)物(Wu)、(?)空(Kong)隙(Xi)和(He)密(Mi)封(Feng)不(Bu)良(Liang)等(Deng)隐(Yin)蔽(Bi)缺(Que)陷(Xian)。(?)该(Gai)方(Fang)法(Fa)属(Shu)于(Yu)非(Fei)破(Po)坏(Huai)性(Xing)检(Jian)测(Ce),(?)非(Fei)常(Chang)适(Shi)合(He)检(Jian)测(Ce)复(Fu)杂(Za)的(De)组(Zu)件(Jian)。(?)不(Bu)过(Guo),(?)其(Qi)检(Jian)测(Ce)过(Guo)程(Cheng)相(Xiang)对(Dui)缓(Huan)慢(Man)、(?)成(Cheng)本(Ben)也(Ye)较(Jiao)高(Gao),(?)而(?)且(Qie)存(Cun)在(Zai)辐(Fu)射(She)安(An)全(Quan)隐(Yin)患(Huan)。(?)
另(Ling)一(Yi)方(Fang)面(Mian),(?)ATE通(Tong)过(Guo)对(Dui)键(Jian)合(He)线(Xian)的(De)电(Dian)气(Qi)特(Te)性(Xing)进(Jin)行(Xing)测(Ce)试(Shi),(?)能(Neng)够(Gou)准(Zhun)确(Que)识(Shi)别(Bie)出(Chu)诸(Zhu)如(Ru)开(Kai)路(Lu)、(?)短(Duan)路(Lu)以(Yi)及(Ji)性(Xing)能(Neng)衰(Shuai)退(Tui)等(Deng)问(Wen)题(Ti)。(?)该(Gai)方(Fang)法(Fa)具(Ju)有(You)速(Su)度(Du)快(Kuai)、(?)一(Yi)致(Zhi)性(Xing)强(Qiang)以(Yi)及(Ji)可(Ke)编(Bian)程(Cheng)等(Deng)优(You)点(Dian),(?)是(Shi)在(Zai)大(Da)批(Pi)量(Liang)生(Sheng)产(Chan)环(Huan)境(Jing)中(Zhong)应(Ying)用(Yong)的(De)理(Li)想(Xiang)选(Xuan)择(Ze),(?)但(Dan)其(Qi)可(Ke)能(Neng)无(Wu)法(Fa)有(You)效(Xiao)检(Jian)测(Ce)出(Chu)结(Jie)构(Gou)和(He)机(Ji)械(Xie)方(Fang)面(Mian)的(De)缺(Que)陷(Xian)。(?)
除(Chu)了(Liao)电(Dian)气(Qi)测(Ce)试(Shi)和(He)光(Guang)学(Xue)检(Jian)测(Ce)手(Shou)段(Duan)外(Wai),(?)还(Huan)有(You)其(Qi)他(Ta)多(Duo)种(Zhong)技(Ji)术(Shu)可(Ke)用(Yong)于(Yu)评(Ping)估(Gu)键(Jian)合(He)线(Xian)的(De)质(Zhi)量(Liang)。(?)例(Li)如(Ru),(?)引(Yin)线(Xian)和(He)键(Jian)合(He)的(De)拉(La)力(Li)测(Ce)试(Shi)可(Ke)以(Yi)测(Ce)量(Liang)键(Jian)合(He)线(Xian)或(Huo)带(Dai)状(Zhuang)键(Jian)合(He)的(De)抗(Kang)拉(La)强(Qiang)度(Du),(?)球(Qiu)剪(Jian)切(Qie)测(Ce)试(Shi)可(Ke)用(Yong)于(Yu)分(Fen)析(Xi)球(Qiu)键(Jian)合(He)的(De)强(Qiang)度(Du),(?)热(Re)循(Xun)环(Huan)测(Ce)试(Shi)通(Tong)过(Guo)使(Shi)键(Jian)合(He)线(Xian)经(Jing)历(Li)不(Bu)同(Tong)的(De)温(Wen)度(Du)条(Tiao)件(Jian)来(Lai)评(Ping)估(Gu)其(Qi)耐(Nai)久(Jiu)性(Xing);而(?)应(Ying)力(Li)测(Ce)试(Shi)旨(Zhi)在(Zai)评(Ping)估(Gu)键(Jian)合(He)线(Xian)在(Zai)长(Chang)时(Shi)间(Jian)内(Nei)承(Cheng)受(Shou)热(Re)应(Ying)力(Li)和(He)机(Ji)械(Xie)应(Ying)力(Li)的(De)能(Neng)力(Li)。(?)
电(Dian)容(Rong)测(Ce)试(Shi)作(Zuo)为(Wei)一(Yi)种(Zhong)新(Xin)兴(Xing)的(De)检(Jian)测(Ce)手(Shou)段(Duan),(?)巧(Qiao)妙(Miao)地(Di)利(Li)用(Yong)了(Liao)金(Jin)属(Shu)表(Biao)面(Mian)(例(Li)如(Ru)键(Jian)合(He)线(Xian)与(Yu)金(Jin)属(Shu)板(Ban),(?)后(Hou)者(Zhe)亦(Yi)称(Cheng)IC上(Shang)方(Fang)的(De)传(Chuan)感(Gan)板(Ban))的(De)耦(Ou)合(He)特(Te)性(Xing)。(?)在(Zai)此(Ci)配(Pei)置(Zhi)下(Xia),(?)IC的(De)每(Mei)一(Yi)个(Ge)引(Yin)脚(Jiao)和(He)键(Jian)合(He)线(Xian)都(Du)被(Bei)有(You)效(Xiao)地(Di)转(Zhuan)换(Huan)为(Wei)电(Dian)容(Rong)器(Qi)的(De)导(Dao)电(Dian)板(Ban)。(?)这(Zhe)一(Yi)方(Fang)法(Fa)使(Shi)得(De)用(Yong)户(Hu)可(Ke)以(Yi)检(Jian)测(Ce)到(Dao)以(Yi)往(Wang)采(Cai)用(Yong)传(Chuan)统(Tong)
ATE 和(He) X 射(She)线(Xian)方(Fang)法(Fa)难(Nan)以(Yi)发(Fa)现(Xian)的(De)缺(Que)陷(Xian),(?)比(Bi)如(Ru)键(Jian)合(He)线(Xian)和(He)内(Nei)引(Yin)线(Xian)之(Zhi)间(Jian)的(De)
“(?)近(Jin)短(Duan)路(Lu)”(?)现(Xian)象(Xiang),(?)以(Yi)及(Ji)导(Dao)线(Xian)的(De)垂(Chui)直(Zhi)下(Xia)垂(Chui)问(Wen)题(Ti)。(?)此(Ci)外(Wai),(?)电(Dian)容(Rong)测(Ce)试(Shi)还(Huan)能(Neng)识(Shi)别(Bie)出(Chu)错(Cuo)误(Wu)的(De)芯(Xin)片(Pian)和(He)模(Mo)塑(Su)化(Hua)合(He)物(Wu)等(Deng)潜(Qian)在(Zai)问(Wen)题(Ti)。(?)
电(Dian)容(Rong)测(Ce)试(Shi)原(Yuan)理(Li)
采(Cai)用(Yong)电(Dian)容(Rong)耦(Ou)合(He)法(Fa)检(Jian)测(Ce)键(Jian)合(He)线(Xian)缺(Que)陷(Xian)的(De)原(Yuan)理(Li)相(Xiang)对(Dui)简(Jian)单(Dan)。(?)具(Ju)体(Ti)而(?)言(Yan),(?)这(Zhe)一(Yi)方(Fang)法(Fa)是(Shi)通(Tong)过(Guo)共(Gong)享(Xiang)电(Dian)场(Chang),(?)而(?)非(Fei)直(Zhi)接(Jie)的(De)电(Dian)气(Qi)连(Lian)接(Jie),(?)来(Lai)在(Zai)两(Liang)个(Ge)导(Dao)体(Ti)之(Zhi)间(Jian)传(Chuan)递(Di)电(Dian)能(Neng)。(?)如(Ru)此(Ci),(?)即(Ji)便(Bian)组(Zu)件(Jian)之(Zhi)间(Jian)没(Mei)有(You)通(Tong)过(Guo)导(Dao)线(Xian)实(Shi)现(Xian)物(Wu)理(Li)连(Lian)接(Jie),(?)也(Ye)能(Neng)进(Jin)行(Xing)信(Xin)息(Xi)通(Tong)信(Xin)或(Huo)信(Xin)号(Hao)传(Chuan)输(Shu)。(?)
这(Zhe)一(Yi)概(Gai)念(Nian)可(Ke)应(Ying)用(Yong)于(Yu)键(Jian)合(He)线(Xian)的(De)测(Ce)试(Shi)中(Zhong),(?)具(Ju)体(Ti)方(Fang)法(Fa)是(Shi)测(Ce)量(Liang)两(Liang)个(Ge)导(Dao)电(Dian)物(Wu)体(Ti)表(Biao)面(Mian)之(Zhi)间(Jian)的(De)电(Dian)容(Rong):(?)一(Yi)是(Shi)键(Jian)合(He)线(Xian)区(Qu)域(Yu)上(Shang)方(Fang)的(De)电(Dian)容(Rong)结(Jie)构(Gou),(?)二(?)是(Shi)与(Yu)键(Jian)合(He)线(Xian)相(Xiang)关(Guan)联(Lian)的(De)导(Dao)电(Dian)路(Lu)径(Jing)。(?)通(Tong)过(Guo)对(Dui)这(Zhe)两(Liang)个(Ge)导(Dao)电(Dian)物(Wu)体(Ti)表(Biao)面(Mian)所(Suo)产(Chan)生(Sheng)的(De)电(Dian)容(Rong)响(Xiang)应(Ying)进(Jin)行(Xing)分(Fen)析(Xi),(?)就(Jiu)可(Ke)以(Yi)评(Ping)估(Gu)封(Feng)装(Zhuang)集(Ji)成(Cheng)电(Dian)路(Lu)内(Nei)部(Bu)键(Jian)合(He)线(Xian)的(De)状(Zhuang)况(Kuang)及(Ji)其(Qi)位(Wei)置(Zhi)情(Qing)况(Kuang)。(?)
如(Ru)图(Tu) 1 所(Suo)示(Shi),(?)非(Fei)矢(Shi)量(Liang)测(Ce)试(Shi)增(Zeng)强(Qiang)探(Tan)头(Tou) (VTEP)
就(Jiu)是(Shi)实(Shi)现(Xian)此(Ci)类(Lei)测(Ce)试(Shi)的(De)一(Yi)个(Ge)实(Shi)例(Li)。(?)该(Gai)探(Tan)头(Tou)采(Cai)用(Yong)先(Xian)进(Jin)的(De)电(Dian)容(Rong)和(He)电(Dian)感(Gan)传(Chuan)感(Gan)技(Ji)术(Shu),(?)旨(Zhi)在(Zai)检(Jian)测(Ce)和(He)测(Ce)量(Liang)印(Yin)刷(Shua)电(Dian)路(Lu)板(Ban)(PCB)上(Shang)各(Ge)个(Ge)元(Yuan)器(Qi)件(Jian)以(Yi)及(Ji)板(Ban)内(Nei)互(Hu)连(Lian)的(De)电(Dian)气(Qi)特(Te)性(Xing)。(?)与(Yu)传(Chuan)统(Tong)测(Ce)试(Shi)方(Fang)法(Fa)相(Xiang)比(Bi),(?)此(Ci)项(Xiang)技(Ji)术(Shu)无(Wu)需(Xu)依(Yi)赖(Lai)详(Xiang)细(Xi)的(De)输(Shu)入(Ru)输(Shu)出(Chu)矢(Shi)量(Liang)即(Ji)可(Ke)进(Jin)行(Xing)操(Cao)作(Zuo),(?)并(Bing)具(Ju)有(You)出(Chu)色(Se)的(De)信(Xin)噪(Zao)比(Bi)。(?)
图(Tu) 1:(?)是(Shi)德(De)科(Ke)技(Ji)非(Fei)矢(Shi)量(Liang)测(Ce)试(Shi)增(Zeng)强(Qiang)探(Tan)头(Tou) (VTEP)
如(Ru)下(Xia)图(Tu) 2
所(Suo)示(Shi),(?)该(Gai)解(Jie)决(Jue)方(Fang)案(An)采(Cai)用(Yong)了(Liao)先(Xian)进(Jin)的(De)电(Dian)容(Rong)和(He)电(Dian)感(Gan)传(Chuan)感(Gan)技(Ji)术(Shu),(?)旨(Zhi)在(Zai)检(Jian)测(Ce)和(He)测(Ce)量(Liang)键(Jian)合(He)线(Xian)的(De)电(Dian)容(Rong)值(Zhi)。(?)具(Ju)体(Ti)操(Cao)作(Zuo)流(Liu)程(Cheng)为(Wei):(?)通(Tong)过(Guo)保(Bao)护(Hu)引(Yin)脚(Jiao),(?)将(Jiang)刺(Ci)激(Ji)信(Xin)号(Hao)注(Zhu)入(Ru)到(Dao)引(Yin)线(Xian)框(Kuang)架(Jia)中(Zhong),(?)随(Sui)后(Hou)该(Gai)信(Xin)号(Hao)将(Jiang)会(Hui)传(Chuan)输(Shu)到(Dao)键(Jian)合(He)线(Xian)位(Wei)置(Zhi)。(?)当(Dang)放(Fang)大(Da)器(Qi)触(Chu)及(Ji)传(Chuan)感(Gan)器(Qi)板(Ban)(在(Zai)本(Ben)例(Li)中(Zhong)为(Wei)电(Dian)容(Rong)结(Jie)构(Gou))时(Shi),(?)电(Dian)路(Lu)即(Ji)刻(Ke)闭(Bi)合(He),(?)并(Bing)开(Kai)始(Shi)捕(Bu)捉(Zhuo)耦(Ou)合(He)响(Xiang)应(Ying)。(?)
图(Tu) 2:(?)使(Shi)用(Yong) VTEP 的(De)四(Si)方(Fang)扁(Bian)平(Ping)封(Feng)装(Zhuang) (QFP) 键(Jian)合(He)线(Xian)测(Ce)试(Shi)装(Zhuang)置(Zhi)的(De)横(Heng)截(Jie)面(Mian)图(Tu)
通(Tong)过(Guo)采(Cai)用(Yong)这(Zhe)种(Zhong)方(Fang)法(Fa),(?)电(Dian)气(Qi)结(Jie)构(Gou)测(Ce)试(Shi)仪(Yi) (EST) 能(Neng)够(Gou)结(Jie)合(He)先(Xian)进(Jin)的(De)电(Dian)容(Rong)和(He)电(Dian)感(Gan)传(Chuan)感(Gan)技(Ji)术(Shu),(?)以(Yi)及(Ji)零(Ling)件(Jian)平(Ping)均(Jun)测(Ce)试(Shi) (PAT)
统(Tong)计(Ji)算(Suan)法(Fa),(?)从(Cong)一(Yi)系(Xi)列(Lie)已(Yi)知(Zhi)完(Wan)好(Hao)的(De)单(Dan)元(Yuan)中(Zhong)学(Xue)习(Xi)并(Bing)建(Jian)立(Li)基(Ji)线(Xian)键(Jian)合(He)线(Xian)测(Ce)试(Shi)。(?)这(Zhe)样(Yang),(?)用(Yong)户(Hu)就(Jiu)能(Neng)准(Zhun)确(Que)的(De)识(Shi)别(Bie)出(Chu)任(Ren)何(He)偏(Pian)离(Li)正(Zheng)常(Chang)值(Zhi)的(De)键(Jian)合(He)线(Xian)变(Bian)化(Hua),(?)例(Li)如(Ru)下(Xia)图(Tu) 3
中(Zhong)测(Ce)试(Shi)仪(Yi)所(Suo)捕(Bu)捉(Zhuo)到(Dao)的(De)“(?)近(Jin)似(Si)短(Duan)路(Lu)”(?)缺(Que)陷(Xian)。(?)
图(Tu) 3:(?)使(Shi)用(Yong) s8050 EST 检(Jian)测(Ce)到(Dao)的(De)“(?)近(Jin)似(Si)短(Duan)路(Lu)”(?)缺(Que)陷(Xian),(?)并(Bing)在(Zai) X 射(She)线(Xian)下(Xia)进(Jin)行(Xing)验(Yan)证(Zheng)
基(Ji)于(Yu)电(Dian)容(Rong)测(Ce)试(Shi)的(De)优(You)势(Shi)和(He)局(Ju)限(Xian)性(Xing)
电(Dian)容(Rong)测(Ce)试(Shi)方(Fang)法(Fa)在(Zai)处(Chu)理(Li)周(Zhou)边(Bian)引(Yin)线(Xian)排(Pai)列(Lie)的(De)封(Feng)装(Zhuang)时(Shi)尤(You)为(Wei)高(Gao)效(Xiao),(?)原(Yuan)因(Yin)在(Zai)于(Yu)这(Zhe)些(Xie)引(Yin)线(Xian)均(Jun)位(Wei)于(Yu)集(Ji)成(Cheng)电(Dian)路(Lu)的(De)同(Tong)一(Yi)侧(Ce)或(Huo)周(Zhou)围(Wei),(?)彼(Bi)此(Ci)紧(Jin)密(Mi)相(Xiang)邻(Lin)。(?)典(Dian)型(Xing)的(De)例(Li)子(Zi)包(Bao)括(Kuo)双(Shuang)列(Lie)直(Zhi)插(Cha)式(Shi)封(Feng)装(Zhuang)(DIP)和(He)四(Si)方(Fang)扁(Bian)平(Ping)封(Feng)装(Zhuang)(QFP)。(?)在(Zai)这(Zhe)两(Liang)类(Lei)封(Feng)装(Zhuang)中(Zhong),(?)所(Suo)有(You)引(Yin)线(Xian)要(Yao)么(Me)彼(Bi)此(Ci)相(Xiang)邻(Lin),(?)要(Yao)么(Me)环(Huan)绕(Rao)集(Ji)成(Cheng)电(Dian)路(Lu)封(Feng)装(Zhuang)的(De)周(Zhou)边(Bian)。(?)得(De)益(Yi)于(Yu)此(Ci)种(Zhong)设(She)计(Ji),(?)键(Jian)合(He)线(Xian)得(De)以(Yi)通(Tong)过(Guo)单(Dan)层(Ceng)结(Jie)构(Gou)围(Wei)绕(Rao)芯(Xin)片(Pian)布(Bu)局(Ju),(?)而(?)不(Bu)是(Shi)相(Xiang)互(Hu)堆(Dui)叠(Die)。(?)这(Zhe)种(Zhong)配(Pei)置(Zhi)使(Shi)得(De)测(Ce)量(Liang)电(Dian)容(Rong)耦(Ou)合(He)信(Xin)号(Hao)以(Yi)确(Que)定(Ding)键(Jian)合(He)线(Xian)的(De)物(Wu)理(Li)位(Wei)置(Zhi)变(Bian)得(De)相(Xiang)对(Dui)容(Rong)易(Yi)和(He)精(Jing)确(Que)。(?)
然(Ran)而(?),(?)随(Sui)着(Zhuo)技(Ji)术(Shu)的(De)不(Bu)断(Duan)进(Jin)步(Bu)以(Yi)及(Ji)集(Ji)成(Cheng)电(Dian)路(Lu)复(Fu)杂(Za)性(Xing)的(De)日(Ri)益(Yi)提(Ti)升(Sheng),(?)一(Yi)系(Xi)列(Lie)更(Geng)先(Xian)进(Jin)的(De)封(Feng)装(Zhuang)类(Lei)型(Xing)应(Ying)运(Yun)而(?)生(Sheng),(?)其(Qi)中(Zhong)包(Bao)括(Kuo)球(Qiu)栅(Zha)阵(Zhen)列(Lie)
(BGA),(?)此(Ci)类(Lei)封(Feng)装(Zhuang)涉(She)及(Ji)多(Duo)层(Ceng)键(Jian)合(He)线(Xian)的(De)堆(Dui)叠(Die)。(?)如(Ru)下(Xia)图(Tu) 4 所(Suo)示(Shi),(?)由(You)于(Yu)键(Jian)合(He)线(Xian)排(Pai)列(Lie)的(De)复(Fu)杂(Za)性(Xing)显(Xian)著(Zhu)增(Zeng)加(Jia),(?)所(Suo)以(Yi)这(Zhe)种(Zhong)先(Xian)进(Jin)的(De)方(Fang)法(Fa)为(Wei)测(Ce)量(Liang)电(Dian)容(Rong)耦(Ou)合(He)信(Xin)号(Hao)带(Dai)来(Lai)了(Liao)更(Geng)多(Duo)的(De)挑(Tiao)战(Zhan)。(?)
图(Tu) 4:(?)球(Qiu)栅(Zha)阵(Zhen)列(Lie) (BGA) 封(Feng)装(Zhuang)俯(Fu)视(Shi)图(Tu)
电(Dian)容(Rong)耦(Ou)合(He)方(Fang)法(Fa)可(Ke)能(Neng)并(Bing)不(Bu)适(Shi)用(Yong)于(Yu)这(Zhe)些(Xie)先(Xian)进(Jin)的(De)集(Ji)成(Cheng)电(Dian)路(Lu)封(Feng)装(Zhuang)类(Lei)型(Xing)。(?)以(Yi)BGA为(Wei)例(Li),(?)其(Qi)键(Jian)合(He)线(Xian)焊(Han)盘(Pan)是(Shi)按(An)照(Zhao)同(Tong)心(Xin)环(Huan)的(De)方(Fang)式(Shi),(?)即(Ji)围(Wei)绕(Rao)芯(Xin)片(Pian)也(Ye)围(Wei)绕(Rao)印(Yin)刷(Shua)电(Dian)路(Lu)板(Ban)进(Jin)行(Xing)布(Bu)局(Ju),(?)由(You)此(Ci)产(Chan)生(Sheng)了(Liao)多(Duo)层(Ceng)线(Xian)路(Lu)的(De)堆(Dui)叠(Die)。(?)如(Ru)图(Tu)
5 所(Suo)示(Shi),(?)这(Zhe)种(Zhong)配(Pei)置(Zhi)会(Hui)影(Ying)响(Xiang)电(Dian)容(Rong)耦(Ou)合(He)信(Xin)号(Hao)的(De)强(Qiang)度(Du)和(He)信(Xin)噪(Zao)比(Bi),(?)进(Jin)而(?)使(Shi)得(De)测(Ce)量(Liang)电(Dian)容(Rong)耦(Ou)合(He)信(Xin)号(Hao)更(Geng)具(Ju)挑(Tiao)战(Zhan)性(Xing)。(?)
图(Tu) 5:(?)多(Duo)条(Tiao)导(Dao)线(Xian)相(Xiang)互(Hu)堆(Dui)叠(Die)的(De) BGA 封(Feng)装(Zhuang)横(Heng)截(Jie)面(Mian)图(Tu)
因(Yin)此(Ci),(?)在(Zai)选(Xuan)择(Ze)电(Dian)容(Rong)耦(Ou)合(He)测(Ce)试(Shi)方(Fang)法(Fa)之(Zhi)前(Qian),(?)对(Dui)键(Jian)合(He)线(Xian)排(Pai)列(Lie)方(Fang)式(Shi)的(De)考(Kao)量(Liang)显(Xian)得(De)尤(You)为(Wei)重(Zhong)要(Yao)。(?)对(Dui)于(Yu)具(Ju)有(You)复(Fu)杂(Za)键(Jian)合(He)线(Xian)排(Pai)列(Lie)的(De)先(Xian)进(Jin)封(Feng)装(Zhuang)类(Lei)型(Xing),(?)可(Ke)能(Neng)需(Xu)要(Yao)采(Cai)用(Yong)其(Qi)他(Ta)测(Ce)试(Shi)方(Fang)法(Fa),(?)进(Jin)而(?)确(Que)保(Bao)测(Ce)量(Liang)的(De)准(Zhun)确(Que)性(Xing)以(Yi)及(Ji)缺(Que)陷(Xian)检(Jian)测(Ce)的(De)可(Ke)靠(Kao)性(Xing)。(?)
革(Ge)新(Xin)键(Jian)合(He)线(Xian)缺(Que)陷(Xian)检(Jian)测(Ce)技(Ji)术(Shu),(?)助(Zhu)推(Tui)微(Wei)电(Dian)子(Zi)行(Xing)业(Ye)前(Qian)行(Xing)
键(Jian)合(He)线(Xian)技(Ji)术(Shu)在(Zai)微(Wei)电(Dian)子(Zi)领(Ling)域(Yu)中(Zhong)占(Zhan)据(Ju)着(Zhuo)举(Ju)足(Zu)轻(Qing)重(Zhong)的(De)地(Di)位(Wei),(?)而(?)随(Sui)着(Zhuo)市(Shi)场(Chang)增(Zeng)长(Chang)预(Yu)测(Ce)的(De)急(Ji)剧(Ju)上(Shang)升(Sheng),(?)对(Dui)于(Yu)高(Gao)效(Xiao)测(Ce)试(Shi)方(Fang)法(Fa)的(De)需(Xu)求(Qiu)也(Ye)愈(Yu)发(Fa)迫(Po)切(Qie)。(?)尽(Jin)管(Guan)传(Chuan)统(Tong)的(De) AXI 和(He) ATE
系(Xi)统(Tong)能(Neng)提(Ti)供(Gong)有(You)价(Jia)值(Zhi)的(De)分(Fen)析(Xi)见(Jian)解(Jie),(?)但(Dan)它(Ta)们(Men)也(Ye)有(You)很(Hen)大(Da)的(De)局(Ju)限(Xian)性(Xing)。(?)在(Zai)集(Ji)成(Cheng)电(Dian)路(Lu)中(Zhong),(?)会(Hui)出(Chu)现(Xian)不(Bu)同(Tong)类(Lei)型(Xing)的(De)键(Jian)合(He)线(Xian)变(Bian)形(Xing)缺(Que)陷(Xian),(?)而(?)针(Zhen)对(Dui)这(Zhe)些(Xie)缺(Que)陷(Xian),(?)也(Ye)有(You)各(Ge)种(Zhong)对(Dui)应(Ying)的(De)系(Xi)统(Tong)去(Qu)进(Jin)行(Xing)处(Chu)理(Li)。(?)
ATE
系(Xi)统(Tong)可(Ke)轻(Qing)松(Song)检(Jian)测(Ce)诸(Zhu)如(Ru)开(Kai)路(Lu)、(?)短(Duan)路(Lu)和(He)缺(Que)线(Xian)等(Deng)电(Dian)气(Qi)缺(Que)陷(Xian)。(?)这(Zhe)使(Shi)得(De)它(Ta)们(Men)成(Cheng)为(Wei)在(Zai)高(Gao)产(Chan)量(Liang)生(Sheng)产(Chan)环(Huan)境(Jing)中(Zhong)的(De)理(Li)想(Xiang)选(Xuan)择(Ze)。(?)然(Ran)而(?),(?)这(Zhe)些(Xie)系(Xi)统(Tong)的(De)局(Ju)限(Xian)性(Xing)在(Zai)于(Yu),(?)它(Ta)们(Men)只(Zhi)能(Neng)检(Jian)测(Ce)电(Dian)气(Qi)缺(Que)陷(Xian),(?)而(?)对(Dui)于(Yu)其(Qi)他(Ta)类(Lei)型(Xing)的(De)问(Wen)题(Ti),(?)比(Bi)如(Ru)多(Duo)余(Yu)或(Huo)杂(Za)散(San)的(De)导(Dao)线(Xian)、(?)近(Jin)似(Si)短(Duan)路(Lu)的(De)下(Xia)垂(Chui)导(Dao)线(Xian)或(Huo)摆(Bai)动(Dong)线(Xian)等(Deng),(?)却(Que)无(Wu)能(Neng)为(Wei)力(Li)。(?)因(Yin)此(Ci),(?)有(You)可(Ke)能(Neng)出(Chu)现(Xian)这(Zhe)样(Yang)的(De)情(Qing)况(Kuang):(?)在(Zai)
ATE 测(Ce)试(Shi)中(Zhong),(?)集(Ji)成(Cheng)电(Dian)路(Lu)看(Kan)似(Si)完(Wan)全(Quan)正(Zheng)常(Chang)工(Gong)作(Zuo),(?)但(Dan)实(Shi)际(Ji)上(Shang)却(Que)并(Bing)非(Fei)如(Ru)此(Ci)。(?)
相(Xiang)比(Bi)之(Zhi)下(Xia),(?)AXI
可(Ke)以(Yi)检(Jian)测(Ce)出(Chu)所(Suo)有(You)键(Jian)合(He)线(Xian)缺(Que)陷(Xian)。(?)然(Ran)而(?),(?)这(Zhe)种(Zhong)方(Fang)法(Fa)需(Xu)要(Yao)人(Ren)工(Gong)目(Mu)视(Shi)检(Jian)查(Cha),(?)不(Bu)仅(Jin)费(Fei)时(Shi)耗(Hao)力(Li),(?)而(?)且(Qie)容(Rong)易(Yi)受(Shou)到(Dao)人(Ren)为(Wei)因(Yin)素(Su)的(De)影(Ying)响(Xiang)而(?)导(Dao)致(Zhi)误(Wu)差(Cha)。(?)特(Te)别(Bie)是(Shi)在(Zai)高(Gao)产(Chan)量(Liang)生(Sheng)产(Chan)环(Huan)境(Jing)下(Xia),(?)想(Xiang)要(Yao)对(Dui)每(Mei)一(Yi)批(Pi)集(Ji)成(Cheng)电(Dian)路(Lu)封(Feng)装(Zhuang)进(Jin)行(Xing)细(Xi)致(Zhi)的(De)筛(Shai)查(Cha)显(Xian)得(De)尤(You)为(Wei)不(Bu)切(Qie)实(Shi)际(Ji),(?)因(Yin)为(Wei)这(Zhe)会(Hui)大(Da)幅(Fu)拖(Tuo)慢(Man)生(Sheng)产(Chan)节(Jie)奏(Zou),(?)造(Zao)成(Cheng)瓶(Ping)颈(Jing)。(?)因(Yin)此(Ci),(?)在(Zai)实(Shi)际(Ji)操(Cao)作(Zuo)中(Zhong)往(Wang)往(Wang)只(Zhi)能(Neng)随(Sui)机(Ji)选(Xuan)取(Qu)少(Shao)量(Liang)样(Yang)品(Pin)进(Jin)行(Xing)筛(Shai)选(Xuan),(?)这(Zhe)无(Wu)疑(Yi)限(Xian)制(Zhi)了(Liao)
AXI 在(Zai)全(Quan)面(Mian)缺(Que)陷(Xian)检(Jian)测(Ce)方(Fang)面(Mian)的(De)效(Xiao)能(Neng)。(?)
基(Ji)于(Yu)电(Dian)容(Rong)的(De)测(Ce)试(Shi)技(Ji)术(Shu)成(Cheng)功(Gong)应(Ying)对(Dui)了(Liao)这(Zhe)两(Liang)项(Xiang)挑(Tiao)战(Zhan)。(?)这(Zhe)一(Yi)先(Xian)进(Jin)技(Ji)术(Shu)能(Neng)够(Gou)检(Jian)测(Ce)到(Dao)那(Na)些(Xie)传(Chuan)统(Tong) ATE 和(He) X 射(She)线(Xian)系(Xi)统(Tong)难(Nan)以(Yi)察(Cha)觉(Jue)的(De)缺(Que)陷(Xian),(?)例(Li)如(Ru)键(Jian)合(He)线(Xian)和(He)内(Nei)部(Bu)引(Yin)线(Xian)之(Zhi)间(Jian)的(De) “(?)近(Jin)似(Si)短(Duan)路(Lu)
”(?)以(Yi)及(Ji)垂(Chui)直(Zhi)方(Fang)向(Xiang)上(Shang)的(De)导(Dao)线(Xian)下(Xia)垂(Chui)问(Wen)题(Ti)。(?)此(Ci)外(Wai),(?)它(Ta)还(Huan)能(Neng)识(Shi)别(Bie)出(Chu)芯(Xin)片(Pian)错(Cuo)误(Wu)和(He)模(Mo)塑(Su)化(Hua)合(He)物(Wu)问(Wen)题(Ti)等(Deng)其(Qi)他(Ta)方(Fang)面(Mian)的(De)异(Yi)常(Chang),(?)进(Jin)而(?)显(Xian)著(Zhu)提(Ti)升(Sheng)了(Liao)其(Qi)诊(Zhen)断(Duan)能(Neng)力(Li)。(?)
与(Yu) PAT 统(Tong)计(Ji)分(Fen)析(Xi)相(Xiang)结(Jie)合(He)时(Shi),(?)这(Zhe)种(Zhong)检(Jian)测(Ce)方(Fang)式(Shi)可(Ke)以(Yi)高(Gao)效(Xiao)且(Qie)轻(Qing)松(Song)地(Di)检(Jian)测(Ce)出(Chu)电(Dian)气(Qi)和(He)非(Fei)电(Dian)气(Qi)缺(Que)陷(Xian),(?)并(Bing)能(Neng)适(Shi)应(Ying)快(Kuai)速(Su)的(De)生(Sheng)产(Chan)节(Jie)奏(Zou)。(?)
作(Zuo)者(Zhe):(?)是(Shi)德(De)科(Ke)技(Ji)产(Chan)品(Pin)经(Jing)理(Li)Shawn Lee