US2015013155A1PendingUtilityA1

Printed circuit board with reduced cross-talk

Assignee: CRAY INCPriority: Jan 6, 2012Filed: Oct 6, 2014Published: Jan 15, 2015
Est. expiryJan 6, 2032(~5.4 yrs left)· nominal 20-yr term from priority
H05K 1/0298H05K 1/115H05K 1/0225H05K 1/0222Y10T29/49165H05K 1/0245H05K 2201/09618H05K 3/42H05K 1/0219H05K 2201/093Y10T29/49155H05K 1/114H05K 3/4007H05K 2201/09609H05K 2201/09336
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Claims

Abstract

A multi-layer printed circuit board has a number of landing pads that are configured to engage a connector secured thereto. Between the landing pads associated with different signals is at least one micro via that is electrically connected to a ground plane on an outer surface of the multi-layer printed circuit board, and a ground plane on an inner layer of the multi-layer printed circuit board.

Claims

exact text as granted — not AI-modified
I/we claim: 
     
         1 . A method of manufacturing a multi-layer printed circuit board comprising:
 forming a number of landing pads on an outer layer of the printed circuit board that are electrically connectable to a socket connector;   forming a portion of a ground plane between landing pads that are associated with different signals to be coupled to the connector; and   forming one or more micro vias between the landing pads that are associated with different signals, wherein the micro vias are electrically connected to a ground plane on the outer layer of the circuit board and to a ground plane on an inner layer of the circuit board.

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