Adapter apparatus with deflectable element socket contacts

• US 9,048,565 B2
• Filed: 06/12/2013
• Issued: 06/02/2015
• Est. Priority Date: 06/12/2013
• Status: Active Grant

• Current Assignee: Ironwood Pharmaceuticals, Inc.
• Original Assignee: Ironwood Pharmaceuticals, Inc.
• Inventors: Palaniappa, Ilavarasan M., Panavala, Vinayak Reddy, Fedde, Mickiel P.
• Primary Examiner(s): Hammond, Briggitte R
• Application Number:
  US13/916,025
• Publication Number:
  US 20140370725A1
• Time in Patent Office: 720 Days
• Field of Search: 439/882, 439/81
• US Class Current: 1/1
• CPC Class Codes: H01R 12/57 surface mounting terminals
• CPC Class Codes: H01R 12/716 Coupling device provided on the PCB
• CPC Class Codes: H01R 43/205 with a panel or printed circuit board
• CPC Class Codes: H01R 43/26 for engaging or disengaging the two parts of a coupling device structural association with two-part coupling device H01R13/629
• CPC Class Codes: H05K 2201/10325 Sockets, i.e. female type connectors comprising metallic connector elements integrated in, or bonded to a common dielectric support
• CPC Class Codes: H05K 2201/1053 Mounted components directly electrically connected to each other, i.e. not via the PCB
• CPC Class Codes: H05K 3/30 Assembling printed circuits with electric components, e.g. with resistor
• CPC Class Codes: H05K 3/3436 having an array of bottom contacts, e.g. pad grid array or ball grid array components
• CPC Class Codes: H05K 7/10 Plug-in assemblages of components , e.g. IC sockets
• CPC Class Codes: H05K 7/1084 pin grid array package carriers
• CPC Class Codes: Y10T 29/49208 by assembling plural parts

Abstract

An adapter apparatus includes a substrate having a plurality of openings defined therethrough. Further, a deflectable element socket contact is provided in each of the openings. When a conductive male pin is positioned in contact between first and second deflectable elements of the deflectable element socket contact, at least a portion of the first and second deflectable elements are caused to deflect within first and second deflection regions, respectively, of the defined opening.

Claims

1. An adapter apparatus comprising:

a substrate having a pin receiving side and a connection side opposite the pin receiving side, wherein a plurality of openings are defined through the substrate between the pin receiving side and the connection side, wherein each opening of the plurality of openings comprises;

a center pin receiving region extending along at least a portion of an axis of the opening, wherein the center pin receiving region is defined by two opposing surfaces located along the axis, wherein the center pin receiving region comprises a cross-section area orthogonal to the axis that is greater than the cross-section area of a male pin receivable therein, and

first and second deflection regions, wherein each of the first and second deflection regions are defined by one or more deflection region surfaces opposite the other and adjacent the two opposing surfaces located along the axis and defining the center pin receiving region, wherein each of the first and second deflection regions comprises a cross-section area orthogonal to the axis and adjacent the center pin receiving region that is less than the cross-sectional area of the pin receiving region; and

a plurality of deflectable element socket contacts, wherein each of the plurality of deflectable element socket contacts is provided within a corresponding opening of the plurality of openings, and further wherein each of the plurality of deflectable element socket contacts comprises;

an end connection portion, and

first and second deflectable elements, wherein the first deflectable element is coupled to the end connection portion and provided at least partially in the first deflection region with a portion thereof in contact with at least a portion of the one or more deflection region surfaces defining the first deflection region, wherein the second deflectable element is coupled to the end connection portion and provided at least partially in the second deflection region with a portion thereof in contact with at least a portion of the one or more deflection region surfaces defining the second deflection region, wherein the first and second deflectable elements are configured to deflect within the first and second deflection regions, respectively, when the male pin is received in the center pin receiving region and in contact between the first and second deflectable elements, wherein each of the first and second deflectable elements is flat and comprises a thickness that is less than a diameter of the male pin receivable in the center pin receiving region.

2. The adapter apparatus of claim 1, wherein the first and second deflectable elements are symmetrical about the axis extending through the corresponding opening and spaced apart to receive the male pin therebetween.

3. The adapter apparatus of claim 1, wherein the first and second deflectable elements are spaced apart by a greater distance towards the connection side of the substrate than towards the pin receiving side of the substrate.

4. The adapter apparatus of claim 3, wherein the first and second deflectable elements are spaced apart by a distance that is less than the diameter of the male pin to be received thereby towards the pin receiving side of the substrate, and further wherein the plurality of deflectable element socket contacts are press-fit in the respective plurality of openings and/or held in the respective plurality of openings using one or more features.

5. The adapter apparatus of claim 1, wherein each of the first and second deflectable elements comprises an elongate portion, wherein the elongate portion of the first deflectable element extends from a first end region located within the first deflection region and coupled to the end connection portion to a second end region located at least in part within the pin receiving region, and further wherein the elongate portion of the second deflectable element extends from a first end region located within the second deflection region and coupled to the end connection portion to a second end region located at least in part within the pin receiving region.

6. The adapter apparatus of claim 5, wherein each of the elongate portions of the first and second deflectable elements are coupled to the end connection portion by a transition portion, the end connection portion being centered at the connection side of the substrate relative to the pin receiving region.

7. The adapter apparatus of claim 6, wherein the end connection portion extends beyond the connection side of the substrate through a blocking layer used to close the opening at the connection side of the substrate, and further wherein a fill material is provided between the end connection portions of the plurality of deflectable element socket contacts adjacent the connection side of the substrate.

8. The adapter apparatus of claim 5, wherein each of the elongate portions of the first and second deflectable elements are coupled to the connection end by a transition portion, wherein each of the transition portions comprise a contact surface in contact with at least a portion of the one or more deflection region surfaces defining the first and second deflection regions, respectively.

9. The adapter apparatus of claim 8, wherein a length of each of the first and second deflectable elements is at least twice the width of the deflectable element socket contacts from the contact surface on the first deflectable element to the contact surface on the second deflectable element.

10. The adapter apparatus of claim 5, wherein each of the first and second deflectable elements terminates towards the pin receiving side of the substrate at a chamfered region to center the male pin when inserted into the pin receiving region of the opening.

11. The adapter apparatus of claim 1, wherein the center pin receiving region comprises a center cylindrical region having a diameter that is greater than the diameter of the male pin to be received therein, wherein each of the first and second deflection regions comprise a cylindrical region having a diameter that is less than the diameter of the center cylindrical region.

19. The adapter apparatus of claim 1, wherein the plurality of openings defined through the substrate between the pin receiving side and the connection side are arranged in an array of columns and rows defined by x and y axes orthogonal to the axis of each opening of the plurality of openings, wherein the center pin receiving region and the first and second deflection regions of each opening of the plurality of openings define an elongated cross-sectional opening orthogonal to the axis thereof having a length that is greater than a width thereof, and further wherein the elongated cross-sectional openings are arranged with the lengths thereof extending diagonally relative to the x and y axes.

12. A method for use in forming an adapter apparatus, wherein the method comprises:

providing a substrate having a pin receiving side and a connection side opposite the pin receiving side, wherein a plurality of openings are defined through the substrate between the pin receiving side and the connection side, wherein each opening of the plurality of openings comprises;

a center pin receiving region extending along at least a portion of an axis of the opening, wherein the center pin receiving region is defined by two opposing surfaces located along the axis, wherein the center pin receiving region comprises a cross-section area orthogonal to the axis that is greater than the cross-section area of a male pin receivable therein, and

first and second deflection regions, wherein each of the first and second deflection regions are defined by one or more deflection region surfaces opposite the other and adjacent the two opposing surfaces located along the axis and defining the center pin receiving region, wherein each of the first and second deflection regions comprises a cross-section area orthogonal to the axis and adjacent the center pin receiving region that is less than the cross-sectional area of the pin receiving region;

inserting a deflectable element socket contact into each of the plurality of openings, wherein the deflectable element socket contact comprises;

an end connection portion, and

first and second deflectable elements, wherein the first deflectable element is coupled to the end connection portion and provided at least partially in the first deflection region with a portion thereof in contact with at least a portion of the one or more deflection region surfaces defining the first deflection region, wherein the second deflectable element is coupled to the end connection portion and provided at least partially in the second deflection region with a portion thereof in contact with at least a portion of the one or more deflection region surfaces defining the second deflection region, wherein each of the first and second deflectable elements is flat and comprises a thickness that is less than a diameter of the male pin receivable in the center pin receiving region; and

positioning a conductive male pin in contact between the first and second deflectable elements causing at least a portion of the first and second deflectable elements to deflect within the first and second deflection regions, respectively.

13. The method of claim 12, wherein the first and second deflectable elements are symmetrical about an axis extending through the corresponding opening and spaced apart to receive the male pin therebetween, and further wherein the plurality of deflectable element socket contacts are press-fit in the respective plurality of openings and/or held in the respective plurality of openings using one or more features.

14. The method of claim 12, wherein the first and second deflectable elements are spaced apart by a greater distance towards the connection side of the substrate than towards the pin receiving side of the substrate.

15. The method of claim 14, wherein the first and second deflectable elements are spaced apart by a distance that is less than the diameter of the male pin to be received thereby towards the pin receiving side of the substrate.

16. The method of claim 12, wherein each of the first and second deflectable elements comprises an elongate portion, wherein the elongate portion of the first deflectable element extends from a first end region located within the first deflection region and coupled to the end connection portion to a second end region located at least in part within the pin receiving region, wherein the elongate portion of the second deflectable element extends from a first end region located within the second deflection region and coupled to the end connection portion to a second end region located at least in part within the pin receiving region, and further wherein each of the elongate portions of the first and second deflectable elements are coupled to the end connection portion by a transition portion, the end connection portion being centered at the connection side of the substrate relative to the pin receiving region.

17. The method of claim 16, wherein the end connection portions of the plurality of deflectable element socket contacts extend beyond the connection side of the substrate through a blocking layer used to close the openings, and wherein the method further comprises:

providing a fill formation surface over ends terminating the end connection portions of the plurality of deflectable element socket contacts;

providing fill material between the fill formation surface and the connection side of the substrate; and

removing the fill formation surface exposing the ends terminating the end connection portions of the plurality of deflectable element socket contacts.

18. The method of claim 12, wherein the method further comprises providing a plurality of deflectable element socket contacts along a removable holding member, and further wherein inserting a deflectable element socket contact into each of the plurality of openings comprises:

inserting one or more of the plurality of deflectable element socket contacts along the removable holding member into a plurality of corresponding openings; and

removing the holding member from the deflectable element socket contacts inserted in corresponding openings.

20. The method of claim 12, wherein the plurality of openings defined through the substrate between the pin receiving side and the connection side are arranged in an array of columns and rows defined by x and y axes orthogonal to the axis of each opening of the plurality of openings, wherein the center pin receiving region and the first and second deflection regions of each opening of the plurality of openings define an elongated cross-sectional opening orthogonal to the axis thereof having a length that is greater than a width thereof, and further wherein the elongated cross-sectional openings are arranged with the lengths thereof extending diagonally relative to the x and y axes.