Patent ID: 9465048
Filing Date: 2016-10-11
CPC Classification: B22C,B22D,B23K,G01Q

Claim Text:
1. A method of manufacturing probe units for test tools, comprising: providing a substrate; forming a plurality of recesses with the shape of desired probe tip in said substrate; depositing a first material layer on said substrate and filling up said recesses to form a probe tip in each said recess; depositing a second material layer on said first material layer; and patterning said first material layer and said second material layer into a plurality of probe units, wherein said second material layer forms a joint portion of said probe unit for jointing a test tool, and each said probe unit comprises one said probe tip; pressing a probe arm on said joint portion of one said probe unit; assembling said probe arm and said joint portion of said probe unit; changing the temperature of said substrate to expand said recesses and release said probe tip from said substrate; and pulling out said probe unit with said probe arm.