High performance surface mount electrical interconnect
First Claim
1. An interconnect assembly comprising:
- a substrate comprising a plurality of through holes extending from a first major surface to a second major surface, each through holes comprising an axis and a cross-sectional area generally perpendicular to the axis;
a plurality of recesses in the second major surface of the substrate that at least partially overlap with the plurality of through holes, each recess comprising a recess axis and a recess cross-sectional area generally perpendicular to the recess axis, the recess cross-sectional area of the recess being greater than the cross-sectional area of the through holes;
a plurality of discrete contact members in the plurality of the through holes, the contact members comprising proximal ends extending into the recesses, distal ends extending above the first major surface, and intermediate portions engaged with an engagement region of the substrate located between the first major surface and the recesses; and
a plurality of electrically conductive retention members at least partially located in the recesses and bonded the proximal ends of the contact members to retain the contact members in the through holes;
wherein a compliant material or a dielectric material is in between the retention members and at least a portion of an inner surface of the recesses.
1 Assignment
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Accused Products
Abstract
An interconnect assembly including a substrate with a plurality of through holes extending from a first surface to a second surface. A plurality of discrete contact member are located in the plurality of through holes. The contact members include proximal ends that are accessible from the second surface, distal ends extending above the first surface, and intermediate portions engaged with an engagement region of the substrate located between the first surface and the recesses. Retention members are coupled with at least a portion of the proximal ends to retain the contact members in the through holes. The retention members can be made from a variety of materials with different levels of conductivity, ranging from highly conductive to non-conductive.
404 Citations
17 Claims
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1. An interconnect assembly comprising:
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a substrate comprising a plurality of through holes extending from a first major surface to a second major surface, each through holes comprising an axis and a cross-sectional area generally perpendicular to the axis; a plurality of recesses in the second major surface of the substrate that at least partially overlap with the plurality of through holes, each recess comprising a recess axis and a recess cross-sectional area generally perpendicular to the recess axis, the recess cross-sectional area of the recess being greater than the cross-sectional area of the through holes; a plurality of discrete contact members in the plurality of the through holes, the contact members comprising proximal ends extending into the recesses, distal ends extending above the first major surface, and intermediate portions engaged with an engagement region of the substrate located between the first major surface and the recesses; and a plurality of electrically conductive retention members at least partially located in the recesses and bonded the proximal ends of the contact members to retain the contact members in the through holes; wherein a compliant material or a dielectric material is in between the retention members and at least a portion of an inner surface of the recesses. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An interconnect assembly comprising:
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a substrate comprising a plurality of through holes extending from a first major surface to a second major surface, each through holes comprising an axis and a cross-sectional area generally perpendicular to the axis; a plurality of recesses in the second major surface of the substrate that at least partially overlap with the plurality of through holes, each recess comprising a recess axis and a recess cross-sectional area generally perpendicular to the recess axis, the recess cross-sectional area of the recess being greater than the cross-sectional area of the through holes; a plurality of discrete contact members in the plurality of the through holes, the contact members comprising proximal ends extending into the recesses, distal ends extending above the first major surface, and intermediate portions engaged with an engagement region of the substrate located between the first major surface and the recesses; a plurality of retention members at least partially located in the recesses and bonded the proximal ends of the contact members to retain the contact members in the through holes; and a solder ball electrically coupled to the proximal ends of the contact members and extending above the second surface of the substrate; wherein a complaint material or a dielectric material is in between the retention members and at least a portion of an inner surface of the recesses.
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Specification