发明名称 PRINTED WIRING BOARD
摘要 PROBLEM TO BE SOLVED: To provide a printed wiring board capable of preventing any bridge from occurring between adjacent soldering lands, by providing solder cutting lands in the vicinity of the soldering lands formed on the printed wiring board and by improving cutting property of a solder upon soldering. SOLUTION: The printed wiring board 1 is equipped with bridge prevention means, and includes at least two or more of the soldering lands 4a juxtaposed in close vicinity to each other in a direction perpendicular to the conveyance direction 3 of the printed wiring board 1 in an automated soldering apparatus. The bridge prevention means includes a first solder cutting land 6 formed at predetermined intervals on a conveyance direction 3 side of each soldering land 4a. Moreover, the printed wiring board includes, as the bridge prevention means, a second solder cutting land formed at the predetermined intervals at the rearmost part toward the conveyance direction of the soldering land. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007059498(A) 申请公布日期 2007.03.08
申请号 JP20050240633 申请日期 2005.08.23
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 HAYASHIDA KAZUHISA
分类号 H05K3/34 主分类号 H05K3/34
代理机构 代理人
主权项
地址