Patent ID: 6946860
Filing Date: 2005-09-20
Classification: G01R

Abstract:
1. A modularized probe head comprising: a holder with a bottom surface and a plurality of internal side surfaces surrounding the bottom surface; a silicon substrate having an active surface and an opposing back surface, wherein the active surface is forming with a plurality of peripheral bonding pads, a plurality of contact pads and connecting circuits, and the silicon substrate is disposed on the bottom surface of the holder; at least a probing chip mounted on the active surface of the silicon substrate, wherein the probing chip has a plurality of first probing tips and a plurality of side electrodes; a solder material connecting the side electrodes of the probing chip and the contact pads of the silicon substrate; and at least a flexible printed circuit having a first end and a second end, wherein the first end is connected with the corresponding bonding pads of the silicon substrate, and the second end is extended through the internal side surfaces of the holder.