金丝球焊毛细管劈刀
申请公布号:CN202259205U
申请号:CN201120323295.8
申请日期:2011.08.31
申请公布日期:2012.05.30
发明人:贺晋春;井立鹏;姚全斌;张志勋
分类号:H01L21/60(2006.01)I
主分类号:H01L21/60(2006.01)I
代理人:安丽
地址:100080 北京市北京2729信箱
摘要:金丝球焊毛细管劈刀,瓶颈部分外形为圆台,瓶颈端部外侧有外倒角,劈刀的过线通孔与瓶颈端部内侧交接处有内倒角,内倒角与外倒角交接处形成劈刀的刀尖。本实用新型适应当今集成电路小型化的发展趋势,避免了焊接高密度芯片PAD时常出现的劈刀碰丝现象,并且该劈刀具有良好的强度,保证了电路的可靠性。
主权项:金丝球焊毛细管劈刀,其特征在于:所述的毛细管劈刀瓶颈部分外形为圆台,瓶颈端部外侧有外倒角,劈刀的过线通孔与瓶颈端部内侧交接处有内倒角,内倒角与外倒角交接处形成劈刀的刀尖,劈刀的瓶颈高度为500um。
APPARATO PER GENERARE L'AMPIEZZA DELLA SOMMA VETTORIALE DI DUE SEGNALI VETTORIALI.
ANTI-WEAR CERAMIC FIBER FABRIC AND PODUCTION THEREOF
SINGLE-PHASE REACTIVE POWER CONVERTER
RECOVERY OF METAL VALUES FROM ALLOY SCRAPS
WARP YARN SIZE AGENT FOR HYDROPHOBIC FIBER
WATER HEATING APPARATUS FOR BATH
CONTROLLING METHOD OF BOILING HEAT QUANTITY OF WATER HEATER UTILIZING MIDNIGHT ELECTRIC POWER
SURFACE STRUCTURE OF METAL NET BELT AND CONNECTED BELT OF PAPERMAKING MACHINE
NORMAL-CONDUCTIVE COIL AND MANUFACTURE OF THE SAME