发明名称 PROBE CARD AND MANUFACTURING METHODS THEREOF
摘要 PURPOSE: A probe card and a manufacturing method thereof are provided to completely array a pad and a prove care regardless of a pad size by controlling a prove needle pitch according to a pad pitch change. CONSTITUTION: A buffer layer(300) is formed on a wafer(W2). A hole is formed on the wafer into the same form with a pad pattern of the wafer in which a semiconductor chip is formed. A metal layer is formed within the hole. A probe needle(400) is formed by projecting the metal layer through the wafer lower end. A metal wiring pattern(450) touched with an upper end of the wafer and the probe needle is formed.
申请公布号 KR20100067861(A) 申请公布日期 2010.06.22
申请号 KR20080126444 申请日期 2008.12.12
申请人 HYNIX SEMICONDUCTOR INC. 发明人 KIM, JONG SU
分类号 H01L21/66;G01R31/16 主分类号 H01L21/66
代理机构 代理人
主权项
地址