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fr-4环氧板白边角现象原因

编辑:深圳市建鼎科技有限公司时间:2018-12-17

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  1、ZHUYAOYUANYINSHIJIBANREYACHENGXINGSHIDELIUJIAO。ZAICHUIZHISHANGXIAJIYASHICENGYAJI,BANGUHUAPIANZAISHOURESHOUYAGUOCHENGZHONG,SHUZHILIJINGLERUANHUA-ZHANLIUTAI-GAODANTAI-YINGHUAGUOCHENG,ZHANLIUDUANSHUZHIZAIYALIZUOYONGXIAXIANGSIZHOULIUDONG。ZAILIUDONGGUOCHENGZHONG,QITIJIDIFENZIWUSUIZHEJIAODELIUDONGBEIJIDAOBANDEBIANYUANBINGBEIBAOHANZAISHUZHONGZHONG,XINGCHENGWEIXIKONGXI,DUIGUANGXIANZAOCHENGSANSHE,SHIGAIBUWEIJIBANTOUMINGDUDIYUQITABUWEI,XINGCHENGBANBIANBAIJIAO。

 

  2、QIANYA。QIANYAYOUYAJIWAILIQIANYAJISHUZHIHUXIANGZUOYONGLIQIANYALIANGZHONG。ZAIREYAGUOCHENGZHONG,JIBANBIANYUANBUWEIMIDUDIYUJIBANZHONGYANGBUWEIERCHUXIANBAISE,DANGbookCENGYABANZHANGSHUZENGJIASHI,HOUDUPIANCHABIANDA,JIBANDEBAIBIANJIAOXIANXIANGYUEYANZHONG。JIBANBIANYUANYOUYUMEIYOUZUDANG,SHUZHIZHIJIELIUXIANGBANWAIBIANYUANYALIXIAOYUZHONGYANGDAOZHIBAIBIANJIAO。

 

  3、fr-4环氧板层压菜单设计不妥。在基板热压成型过程中,树脂粘度变化经历高-低-高的过程。这是一条开口向上的抛物线,如果热压时高压点是在谷底的前方,谷底树脂粘度最低,流动性最大,必然加大基板的白边角。当每个book层压板的张数较少时,层压菜单的设定比较简单,高压点也比较容易选取。

 

边锋游戏官网  4、MEIGEbookZHONGFANGRUBANDEZHANGSHUGUODUO。bookYEJIUSHIKAIKOU,YIGEbookKEYICENGYADUOSHAOZHANGBANNI?ZHEIMEIYOUDINGLUN,ZHEIYUMEIZHANGCHANPINHOUDUJISHEBEITIAOJIAN,GONGYIJISHUMIQIEXIANGGUAN。TONGYANGHOUDUDECHANPIN,YOUXIECHANGJIA,MEIGEbookKEYIFANGRU20LAIZHANGBAN,ERYOUXIECHANGJIAKENENGZHIFANGSHILAIZHANGBAN。

 

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