Patent ID: 7954693
Filing Date: 2011-06-07
Classification: G01R,H05K

Abstract:
1. A method of probing a via connected with a substrate and including separate sections of a lead-free solder that is connected with a portion of a pad of the via and is positioned around a hole of the via, comprising: aligning a test fixture with the substrate, the test fixture including a blade probe connected with the test fixture in a preferred orientation, the blade probe including a shaft and a blade connected to the shaft, the blade including a tip, and a number of edges, in which the number of edges is equal to a number of separate sections of lead-free solder, and the preferred orientation and the aligning are operative to position the edges to make a contact with a portion of at least one separate section of the lead-free solder directly upon the pad and abutting the edge of the hole, and probing the via by urging the blade probe into contact with the at least one separate section of the lead-free solder.