Importance

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Abstract

A method and apparatus for electronically coupling electronics in downhole tools without a harness is described. The apparatus includes one or more electronics boards, which may be disposed around a tool insert and electronically coupled using a backplane. The backplane may comprise one or more backplane segments, and each of the segments may comprise two printed circuit boards communicatively coupled to each other. The two printed circuit boards may be on opposite sides of a base metal ring and may be coupled to each other via connectors in a cavity of the base metal ring. Dampers may be placed between the base metal ring and each of the printed circuit boards. The printed circuit boards my optionally include an identification chip for storing information concerning the electronics boards coupled to the backplane. Additionally or alternatively, the printed circuit boards may optionally include active device chips that dynamically route signals based on which electronics boards are coupled to the backplane.

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First Claim