Low profile socket for microelectronic components and method for making the same - Patent Review 5983492

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Low profile socket for microelectronic components and method for making the same
United States Patent	5983492
Link to this page	http://www.wikipatents.com/5983492.html
Inventor(s)	Fjelstad; Joseph (Sunnyvale, CA)
Abstract	A connector for microelectronic elements includes electrically conductive, elongated leads having contact portions underlying a compliant layer. The contact portion of each lead overlies a pedestal portion of the compliant layer. The pedestal portion is at least partially isolated from the remaining portion of the compliant layer by gaps in the compliant layer. The pedestals may thus deflect horizontally, compensating for relative movement between the connector and the microelectronic element. Portions of the leads spanning the gaps may be curved to facilitate deflection. The pedestals may be attached to a substrate having terminals. A terminal end of each lead is then electrically connected to the terminal in the substrate, either through a plated through-hole, or by bending downward and bonding. The pedestals may support a plurality of leads along their length. Alternatively, the pedestals may support only a single respective lead, in which case the pedestal is isolated from neighboring pedestals and may deflect in a plurality of horizontal directions.

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