Adapter apparatus with suspended conductive elastomer interconnect

• US 9,263,817 B2
• Filed: 06/12/2013
• Issued: 02/16/2016
• Est. Priority Date: 06/12/2013
• Status: Active Grant

• Current Assignee: Ironwood Pharmaceuticals, Inc.
• Original Assignee: Ironwood Pharmaceuticals, Inc.
• Inventors: Palaniappa, Ilavarasan M., Huang, Sue Min
• Primary Examiner(s): Duverne, Jean F
• Application Number:
  US13/916,097
• Publication Number:
  US 20140370727A1
• Time in Patent Office: 979 Days
• Field of Search: 439/86
• US Class Current: 1/1
• CPC Class Codes: H01R 12/718 Contact members provided on the PCB without an insulating housing contacts for abutting H01R12/714
• CPC Class Codes: H01R 13/2414 conductive elastomers
• CPC Class Codes: H01R 43/205 with a panel or printed circuit board
• CPC Class Codes: Y10T 29/49147 Assembling terminal to base

Abstract

An adapter apparatus for receiving a packaged device having a plurality of contact elements disposed on a surface thereof may include a conductive elastomer interconnect. The conductive elastomer interconnect may include a carrier having a plurality of openings defined therethrough from a first side to a second side thereof (e.g., the plurality of openings being arranged to align with the plurality of contact elements of the packaged device) and conductive elastomer suspended in each of the plurality of openings to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier. Further, the adapter apparatus may include one or more adapter wall members used with the conductive elastomer interconnect to define a socket cavity adapted to receive the packaged device.

Claims

1. An adapter apparatus for receiving a packaged device having a plurality of contact elements disposed on a surface thereof, the adapter apparatus comprising:

a conductive elastomer interconnect comprising;

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof by inner walls, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device, and

conductive elastomer suspended in each of the plurality of openings by attachment to the inner walls to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier; and

one or more adapter wall members along an adapter axis between a first end region of the adapter apparatus and a second end region of the adapter apparatus, wherein the conductive elastomer interconnect is positioned at the first end region of the adapter apparatus orthogonal to the adapter axis, and further wherein the one or more adapter wall members and the conductive elastomer interconnect define a socket cavity adapted to receive the packaged device with the plurality of contact elements thereof adjacent the conductive elastomer suspended in each of the plurality of openings.

2. The adapter apparatus of claim 1, wherein the first and second sides of the carrier are free of conductive elastomer.

3. The adapter apparatus of claim 1, wherein the packaged device comprises a ball grid array comprising a plurality of balls, and further wherein each opening of the plurality of openings defined through the carrier is a cylindrical opening having a diameter sized to receive a ball of the plurality of balls of the ball grid array.

4. The adapter apparatus of claim 1, wherein the conductive elastomer suspended in each of the plurality of openings comprises a curable conductive elastomer material, wherein the curable conductive elastomer material comprises a plurality of conductive particles.

5. The adapter apparatus of claim 1, wherein the conductive elastomer suspended in each of the plurality of openings comprises a concave surface at the second side of the carrier for electrical contact with the contact elements of the packaged device.

6. The adapter apparatus of claim 1, wherein the conductive elastomer suspended in each of the plurality of openings comprises a contact projection extending beyond the first side of the carrier for electrical contact with a contact pad of a plurality of contact pads of a target board when the target board is positioned adjacent the first side of the carrier.

7. The adapter apparatus of claim 1, wherein the one or more wall members comprise alignment structure positioned at the first end region to align the packaged device within the socket cavity, wherein the alignment structure comprises at least an alignment plate positioned orthogonal to the adapter axis, wherein the alignment plate comprises a plurality of openings arranged to align with the plurality of contact elements of the packaged device and adapted to allow contact elements of the packaged device to be in electrical contact with the conductive elastomer suspended in each of the plurality of openings defined in the carrier layer.

8. The adapter apparatus of claim 1, wherein adapter apparatus further comprises an actuator apparatus comprising a floating member movable in the socket cavity and an actuator element, wherein the actuator element is operable to provide a force on the floating member resulting in a corresponding force being distributed to the packaged device when received in the socket cavity such that the plurality of contact elements are in electrical contact with the suspended conductive elastomer in each of the plurality of openings defined in the carrier, wherein the suspended conductive elastomer in each of the plurality of openings defined in the carrier is flexed towards the first side of the carrier when the force is applied.

9. An apparatus for use in an adapter configured to receive a packaged device having a plurality of contact elements disposed on a surface thereof, the apparatus comprising a conductive elastomer interconnect comprising:

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof by inner walls, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device; and

conductive elastomer suspended in each of the plurality of openings by attachment to the inner walls to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier.

10. The apparatus of claim 9, wherein the first and second sides of the carrier are free of conductive elastomer.

12. The apparatus of claim 9, wherein the conductive elastomer suspended in each of the plurality of openings comprises a curable conductive elastomer material, wherein the curable conductive elastomer material comprises a plurality of conductive particles.

13. The apparatus of claim 9, wherein the conductive elastomer suspended in each of the plurality of openings comprises a concave surface at the second side of the carrier for electrical contact with the contact elements of the packaged device.

11. An apparatus for use in an adapter configured to receive a packaged device having a plurality of contact elements disposed on a surface thereof, the apparatus comprising a conductive elastomer interconnect comprising:

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device; and

conductive elastomer suspended in each of the plurality of openings to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier, wherein the packaged device comprises a ball grid array comprising a plurality of balls, and further wherein each opening of the plurality of openings defined through the carrier is a cylindrical opening having a diameter sized to receive a ball of the plurality of balls of the ball grid array.

14. An apparatus for use in an adapter configured to receive a packaged device having a plurality of contact elements disposed on a surface thereof, the apparatus comprising a conductive elastomer interconnect comprising:

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device; and

conductive elastomer suspended in each of the plurality of openings to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier, wherein the conductive elastomer suspended in each of the plurality of openings comprises a contact projection extending beyond the first side of the carrier for electrical contact with a contact pad of a plurality of contact pads of a target board when the target board is positioned adjacent the first side of the carrier.

15. An apparatus for use in an adapter configured to receive a packaged device having a plurality of contact elements disposed on a surface thereof, the apparatus comprising a conductive elastomer interconnect comprising:

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device; and

conductive elastomer suspended in each of the plurality of openings to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier, wherein the suspended conductive elastomer in each of the plurality of openings defined in the carrier is flexed towards the first side of the carrier when a force is applied via a packaged device positioned adjacent the second side of the carrier.

16. A method of providing an adapter apparatus adapted to receive a packaged device having a plurality of contact elements disposed on a surface thereof, the adapter apparatus mountable to a target board to electrically connect the plurality of contact elements to a plurality of contact pads of the target board, wherein the method comprises:

providing a conductive elastomer interconnect, the conductive elastomer interconnect comprising;

a carrier comprising a plurality of openings defined therethrough from a first side to a second side thereof by inner walls, wherein the plurality of openings are arranged to align with the plurality of contact elements of the packaged device, and

conductive elastomer suspended in each of the plurality of openings by attachment to the inner walls to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier; and

providing one or more adapter wall members along an adapter axis between a first end region and a second end region of the adapter apparatus; and

positioning the conductive elastomer interconnect at the first end region of the adapter apparatus orthogonal to the adapter axis to define a socket cavity of the adapter apparatus adapted to receive a packaged device such that the plurality of contact elements of the packaged device are adjacent the conductive elastomer suspended in each of the plurality of openings.

17. The method of claim 16, wherein providing a conductive elastomer interconnect comprises:

positioning the first side of the carrier adjacent a formation surface to close the plurality of openings defined through the carrier; and

providing conductive elastomer at least within the plurality of openings defined through the carrier; and

curing the conductive elastomer within the plurality of openings to provide the suspended conductive elastomer in each of the plurality of openings.

18. The method of claim 17, wherein the formation surface is planar.

19. The method of claim 17, wherein the formation surface comprises a least one surface deformation defined therein corresponding to each of the plurality of openings defined through the carrier, wherein the at least one surface deformation forms a contact projection of the suspended conductive elastomer extending beyond the first side of the carrier for electrical contact with a contact pad of a plurality of contact pads of a target board when the target board is positioned adjacent the first side of the carrier.

20. The method of claim 16, wherein the method further comprises:

providing an actuator apparatus comprising a floating member movable in the socket cavity and an actuator element, wherein the actuator element is operable to provide a force on the floating member such that a corresponding force is distributed to a packaged device when received in the socket cavity; and

providing electrical contact between the plurality of contact elements of the packaged device and the suspended conductive elastomer in each of the plurality of openings defined in the carrier via the force provided on the floating member, wherein the suspended conductive elastomer in each of the plurality of openings defined in the carrier is flexed towards the first side of the carrier when the force is applied.