足彩跟单app


浅析DPA在电子元器件可靠性提升中的应用

2019-03-26  浏览量:806

什么是DPA?

足彩跟单appPOHUAIXINGWULIFENXI(Destructive Physical Analysis)JIANCHENGWEIDPA(XIAWENJUNJIANCHENG“DPA”).

足彩跟单app①SHIWEILEYANZHENGYUANQIJIANDESHEJI、JIEGOU、CAILIAOHEZHIZAOZHILIANGSHIFOUMANZUYUDINGYONGTUHUOYOUGUANGUIFANDEYAOQIU

足彩跟单app②ANYUANQIJIANDESHENGCHANPICIJINXINGCHOUYANG

足彩跟单app③DUIYUANQIJIANYANGPINJINXINGFEIPOHUAIXINGFENXIHEPOHUAIXINGFENXIDEYIXILIEJIANYANHEFENXIDEQUANGUOCHENG。

 

DPA的目的

足彩跟单appYIYUFANGSHIXIAOWEIMUDE,FANGZHIYOUMINGXIANHUOQIANZAIQUEXIANDEYUANQIJIANSHANGJISHIYONG;

QUEDINGYUANQIJIANZAISHEJIHEZHIZAOGUOCHENGZHONGCUNZAIDEPIANCHAHEGONGYIQUEXIAN;

足彩跟单appPINGJIAHEYANZHENGGONGHUOFANGYUANQIJIANDEZHILIANG;

TICHUPICICHULIYIJIANHEGAIJINCUOSHI。

足彩跟单appDPAFENXIJISHUKEYIKUAISUFAXIANQIANZAIDECAILIAO、GONGYIDENGFANGMIANDEQUEXIAN,ZHEIXIEQUEXIANZUIZHONGDAOZHIYUANQIJIANSHIXIAODESHIJIANSHIBUQUEDINGDE,DUOSHUWEIZAOQISHIXIAO,DANSUOYINFADEHOUGUOSHIYANZHONGDE。

 

DPA分析技术适用于:

①GAOKEKAOXINGYAOQIULINGYU,RUHANGKONG、HANGTIAN、TONGXIN、YILIAOQIXIE、QICHEDIANZI;

足彩跟单app②ZAIDIANZICHANPINZHONGLIEWEIGUANJIANBUJIANHUOZHONGYAOJIANDEYUANQIJIAN;

③DAGUIMOSHIYONGDEYUANQIJIAN。

 

了解了DPA的相关基础知识,接下来我们就着重来对DPA在电子元器件质量提升应用方面进行简要的探讨:

 

电子元器件质量提升及失效分析

足彩跟单appSHOUXIAN,DPATONGCHANGYONGZUOYUDIANZIYUANQIJIANDEZHILIANGJIANYANHESHIXIAODETIQIANSHIBIELANJIE,TONGGUODUIDIANZIYUANQIJIANCHANPINJINXINGYIXILIEDESHIQIANFENXIJIANCE,SHENDULEJIEYUANQIJIANCHANPINDEZHENSHIZHILIANGZHUANGKUANG,SHIFOUMANZUYUANQIJIANGUIDINGDEKEKAOXINGHEBAOZHANGXING,DUIYUANQIJIANYANGPINJINXINGYIXILIEWUSUNFEIPOHUAIHEPOHUAIXINGDEJIANYANHEFENXI。

足彩跟单appDPASHISHUNYINGDIANZIXITONGDUIYUANQIJIANKEKAOXINGYAOQIUYUELAIYUEGAODEQUSHIERFAZHANQILAIDEYIZHONGYITIGAOYUANQIJIANZHILIANG,TONGGUOQIANDUANLANJIEBAOZHANGZHENGGEDIANZIXITONGKEKAOXINGWEIMUDEDEZHONGYAOJISHUSHOUDUAN。

 

电子元器件进行DPA的关键节点

1.QIJIANXUANXING,XUANZEBUTONGGONGYINGSHANG,TONGLEICHANPINHENGXIANGBIDUI;

2.ZAIDINGHUOHETONGZHONGTICHUDPAYAOQIU ,JISHENGCHANCHANGJIAGONGHUOSHIBIXUTIGONGDPAHEGEDEBAOGAO;

3.YUANQIJIANDAOHUOHOU,SHANGJIQIANJINXINGLAILIAODPAQUEREN(LIXINGCHOUJIAN) ;

4.QIJIANKEKAOXINGFENGXIANTIQIANSHIBIE,KEKAOXINGSHIYANZHIHOUJINXINGDPAQUEREN。

5.QIJIANDEZHENWEIJIANDING

 

1. 塑封器件的质量检验

足彩跟单appSUFENGQIJIANJUYOUXINGNENGYOU、TIJIXIAO、ZHONGLIANGQING、PINZHONGDUOYANG、GOUMAIRONGYIDENGTEDIANBEIHANGKONG、DIANZI、TONGXINDENGLINGYUGUANGFANCAIYONG,DANYOUYUSUFENGQIJIANJUYOUCAILIAOREWENDINGXINGCHA、FEIQIMIXING,QIEYIYUXIFUZHOUWEIHUANJINGSHUIQIDENGTEDIAN,CUNZAIHENDADEYONGKEKAOXINGWENTI,YINCIXUYAOTONGGUODPALAIDUIQIZHILIANGJINXINGYUXIANDEKONGZHI。

依据相关标准,对塑封器件进行DPA检测,主要检查内容包括器件的外观、内部结构、裂纹、分层、孔洞、键合强度、钝化层等,由外及里,提前预防塑封器件出现焊接不良、装配工艺不良、加工工艺不良、电化学迁移、功能异常等各种失效现象。

 

芯片表面钝化层碎裂

 

2.密封器件的质量检验

依据相关标准,对密封器件进行DPA检测,主要检查内容包括器件的外观、内部结构、密封性、内部气氛分析、可动微粒、键合强度等,由外及里,提前预防塑封器件出现缺陷、腐蚀、开/短路、装配工艺不良、电性能漂移、散热不良失效等各种失效现象。

 

推力零克点

 

3.电容的质量检验

足彩跟单appYIJUXIANGGUANBIAOZHUN,DUIDIANRONGLEICHANPINJINXINGDPAJIANCE,ZHUYAOJIANCHANEIRONGBAOKUODIANRONGDEWAIGUAN、NEIBUJIEGOU、JIEZHICENG/DIANJICENG/JINSHUHUACENGDEQINGKUANGDENG,YOUWAIJILI,TIQIANYUFANGDIANRONGCHUXIANDIANCANSHUPIAOYI、LOUDIAN、KAI/DUANLU、SHAOHUIDENGGEZHONGSHIXIAOXIANXIANG。

 

某电容产品的介质空隙

 

4.器件的假冒翻新问题

足彩跟单appJIAMAOFANXINDEQIJIANYIDANSHIYONGHUIJIQIYEDAILAIHENDADEFENGXIANHEWEIHAI:SHIXIAOFENGXIANGAO、SHIXIAOSUIJIXINGDA。RUHESHIYONGDPAFENXIFANGFADUIYISIJIAMAOFANXINQIJIANJINXINGJIANCENI?

DUIYISIJIAMAOFANXINQIJIANJINXINGDPAJIANCE,ZHUYAOJIANCHANEIRONGBAOKUODIANRONGDEWAIGUAN、NEIBUJIEGOU、HANXIANZHILIANG、QIJIANNEIBUDEBIAOSHI/DAIMADENG,YOUWAIJILIDEPANDINGGAIQIJIANSHIFOUHUICHUXIANSHIXIAOXIANXIANG,DAODISHIBUSHIJIAMAOFANXINCHANPIN,CONGERWEIHUXIAOFEIZHEDEHEFAQUANYI。

 

IC外观检测

 

集成电路IC X射线透视

 

IC丙酮擦拭

 

IC开封后(500X)

 

焊接不良

 

DPAFENXIJISHUDUIDIANZIYUANQIJIANCHANPINDEZHILIANGKONGZHIQIDAOLEHENDADEZUOYONG,TONGGUOYISHANGDPAZAIDIANZIYUANQIJIANKEKAOXINGTISHENGZHONGDEYINGYONGJIESHAOHEANLIFENXIANG,XIANGXINDAJIADUIYUDPADEZUOYONGHEYIYIYOULEYIDINGSHENDUDELEJIE。

 

DANQISHIDPAFENXIJISHUDEZHANKAICUNZAIZHENANDIAN——QIDUIYUSHIYANRENYUANDEJISHUJINGYANHEJIANCEFENXINENGLISHIYIDAKAOYAN,XUJUBEILEXIANGGUANDEJISHUJINGYANHEJISHUNENGLI,CAINENGHUODEZHENGQUEDEDPAFENXIJIELUN。MEIXINJIANCESHIYANSHISHEBEIXIANJIN、QIQUAN,SHIYANSHIGONGCHENGSHIZAIGAILINGYUYONGYOU10NIANYISHANGDESHIJIANJINGYAN,DUIYUTESHUYANGPINYOUZHECHENGSHUWANZHENGDEZHENDUIXINGCESHINENGLI,WEININTIQIANYUFANGSHIXIAOWENTI,TISHENGCHANPINZHILIANG!

 

参考文献

《DIANZIYUANQIJIANPOHUAIXINGWULIFENXIZHONGJIGEWENTIDETANTAO》ZHOUQINGBO WANGXIAOMIN 

《DIANZIYUANQIJIANPOHUAIXINGWULIFENXI(DPA)ZONGSHU》LIUMEICUN HUSHENG WUXUHU

《GJB 4027 JUNYONGDIANZIYUANQIJIANPOHUAIXINGWULIFENXIFANGFA》

 

足彩跟单app*** YISHANGNEIRONGJUNWEIYUANCHUANG,RUXUZHUANZAI,QINGZHUMINGCHUCHU ***

 

简介

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