High density connector
DCFirst Claim
1. An electrical connector adapted to be mounted on a substrate having a conductive element, comprising:
- an insulative housing, the housing having an exterior side adapted to face the substrate;
a stamped contact formed from a sheet of conductive material, adapted to mate with a mating component and extending substantially to the exterior side of the housing, the contact having an angled connection portion adapted to be electrically connected to said conductive element; and
a body of reflowable, electrically conductive material disposed on the connection portion adjacent the exterior side of the housing.
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Litigations
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Accused Products
Abstract
Electrical connectors capable of being mounted on circuit substrates by BGA techniques are disclosed. Also disclosed is a method for manufacturing such connectors. There is at least one recess on the exterior side of the connector elements. A conductive contact extends from adjacent the interior side of the into the recess on the exterior side of the housing. A controlled volume of solder paste is introduced into the recess. A fusible conductive element, in the form of solder balls is positioned in the recess. The connector is subjected to a reflow process to fuse the solder ball to the portion of the contact extending into said recess. Contacts are secured in the insulative housing of the connector by deformable sections that minimize stress imposed on the housing, thereby reducing warpage. Solder resist areas are formed on central portions of the contacts to promote uniformity of solder volume. As a result of these features, substantial coplanarity of the BGA array along the mounting interface of the connector is achieved.
138 Citations
58 Claims
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1. An electrical connector adapted to be mounted on a substrate having a conductive element, comprising:
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an insulative housing, the housing having an exterior side adapted to face the substrate; a stamped contact formed from a sheet of conductive material, adapted to mate with a mating component and extending substantially to the exterior side of the housing, the contact having an angled connection portion adapted to be electrically connected to said conductive element; and a body of reflowable, electrically conductive material disposed on the connection portion adjacent the exterior side of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electrical connector mountable to a substrate and comprising:
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an insulative housing having a base wall with an interior side and an exterior side, a plurality of recesses on said exterior side; a plurality of contact receiving slots, each of said slots extending from the interior side of said base wall to one of said recesses; a contact extending through each of said slots and having a mounting end residing substantially within said recess, but not substantially beyond said recess in a direction towards the substrate; and a plurality of bodies of reflowable, electrically conductive material, each body being associated with a recess and having a portion thereof disposed in the recess and fused to the contact. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An electrical connector comprising:
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an insulative member having a mating side adapted to face a mating component, a mounting side adapted to face a substrate, and an opening extending from the mating side towards the mounting side, and a recess in said mounting side; an electrical terminal insertable into the opening in the insulative member, the terminal having a contact portion disposed on the contact bearing side of the insulative member and a mounting portion, the mounting portion having a securing section extending at least partially through the insulative member and a distal region disposed in the recess; and an electrically conductive heat fusible section secured to the distal region, extending from the securing section and adjacent the mounting side of the insulative body, with a portion of the fusible section disposed in the recess and a portion disposed outside the recess. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32)
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33. An electrical component adapted to be surface mounted to a major surface of a circuit substrate, comprising:
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a body formed of an insulative material, the body having a mounting surface adapted to be disposed in facing relationship to the circuit substrate and an opening therein extending toward said mounting surface; an electrically conductive member insertable into the opening in the body, the conductive member including a terminal portion extending toward the mounting surface and adapted to be positioned adjacent the major surface of the circuit substrate, and a mass of heat fusible material extending from the terminal portion to the mounting surface for establishing electrical continuity between the circuit substrate and the conductive member and adapted to secure to the major surface of the circuit substrate; wherein, when the mass engages the circuit substrate, the body remains a distance away from the circuit substrate. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 50, 51)
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44. An electrical connector comprising:
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an insulative housing having a mating interface for facing a mating component, a mounting interface for facing a substrate including conductive elements, and a plurality of openings extending from the mating interface towards the mounting interface; a plurality of contacts, each insertable into a respective one of said openings in the housing from one of the mating interface and the mounting interface, each contact having a mating portion associated with the mating interface and adapted for engaging the mating component and a connector portion associated with the mounting interface, extending generally parallel to the opening and adapted to be secured to one of the conductive elements on the substrate, the connector portion having an end, and a plurality of fusible elements, each fusible element secured to one of said contacts so that the ends reside within the fusible elements. - View Dependent Claims (45, 46, 47, 48, 49, 52, 53, 54, 55, 56, 57, 58)
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Specification