Original document(18 pages)  中文版
    The invention provides a wiring substrate with small danger when being electrically connected to outside by chance or electrically connected inside the wiring substrate by chance without finish machining, and a manufacturing method for effectively obtaining the wiring substrate. The wiring substrate 1 includes a metal core substrate 2 whose plane is a rectangle and which has a surface 4 and a rear surface 5, and a composite layer BU composed of insulative layers 10, 14, 11, 15 and wiring layers 12, 18, 13, 19 which are formed on the surface 4 and the rear surface 5 of the metal core substrate 2, each side face of the metal core substrate 2 is provided with an extending portion 3.
Application Number
申请号
03104456 Application Date
申请日
2003.02.14
Title 名称 Wiring baseboard and making method
Publication Number
公开号
1438832 Publication Date
公开日
2003.08.27
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H05K1/00;H05K3/46
Applicant(s) Name
申请人
Nippon Special Ceramic Industry Co., Ltd.
Address 地址
Inventor(s) Name 发明人 Ito Tatsuya;Kimura Yukihiro
Attorney & Agent 代理人 du rixin
More information 更  多  信  息


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