Interposer connectors with alignment features

摘要

Non-rectangular or rectangular interposers for space efficient, reliable to manufacture, high speed interconnections between two printed circuit boards, such as a motherboard and a mating board. One example provides space efficiency with a non-rectangular interposer, where the interposer may be at least approximately circular. Reliable manufacturing may be provided by the inclusion of one or more openings to accept one or more alignment features. In one example, a first opening is provided to accept a threaded boss, which may be used to fasten the two printed circuit boards and interposer together. In another example, a second opening may be provided to accept an alignment post, wherein the post aligns the interposer to the two printed circuit boards. Contacts may be provided on each side to mate with contacts on each of the two printed circuit boards.

主权项

1. A method of assembling a mating board, interposer, and main-logic board, the method comprising:
providing a main-logic board having a plurality of contacts placed around a first opening, an alignment post, and an alignment pin; providing an interposer having a first opening, a second opening to accept the alignment post, a first notch to accept the alignment pin, a first plurality of contacts on a first side, and a second plurality of contacts on a second side; fitting the interposer to the main logic board such that the first opening aligns with the first opening on the main-logic board, the second opening accepts the alignment post, the first notch in an outside edge of the interposer accepts the alignment pin, and the first plurality of contacts mates with the contacts on the main logic board; providing a mating board having a first opening, a second opening to accept the alignment post, and a plurality of contacts on a first side; fitting the mating board to the interposer such that the first opening aligns with the first opening on the interposer, the second opening accepts the alignment post, and the plurality of contacts mates with the second plurality of contacts on the interposer; and fastening the mating board, interposer, and main logic board together.