IC chip to PC board connector system

Details IC chip to PC board connector system IC chip to PC board connector system

1992-04-09

1994-02-22

McGlynn, Joseph H.

Electrical connectors

Including elastomeric or nonmetallic conductive portion

Adapted to be sandwiched between preformed panel circuit...

361760, H01R 1300

Patent

active

052882381

ABSTRACT:
Apparatus is provided for connecting rows of contact pads on a leadless integrated circuit (22, FIG. 1 ) to rows of traces on a circuit board (24), which facilitates the connection and which facilitates substitution of a probe for the integrated circuit. The apparatus includes a socket (32) forming a largely rectangular cavity (34) which closely receives the integrated circuit (22), the socket having a lower portion with elongated slots (51-54), each slot holding an elastically compressible interface device (60). Each interface device has a row of compressible conductors each having an upper end engaging a contact pad (26) on the integrated circuit and a lower end engaging a conductive trace (30) on the circuit board. With the socket securely held to the circuit board, the socket can be used to hold a probe (220, FIG. 13 ) with a probe board (222) having contact pads (224) on its lower surface that can lie at the same locations as the contact pads on the integrated circuit when it lies in the socket. Each interface device can have contacts at a finer pitch than the contacts on the integrated circuit or the circuit board, to reduce the precision required in mounting the interface devices on the socket.

REFERENCES:
patent: 4843313 (1989-06-01), Walton

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