US Patent No. 10,398,044

DUST GUARD STRUCTURE


Patent No. 10,398,044
Issue Date August 27, 2019
Title Dust Guard Structure
Inventorship Michael J. Shapiro, Austin, TX (US)
Brian C. Twichell, Austin, TX (US)
Brent W. Yardley, Hillsboro, OR (US)
Assignee International Business Machines Corporation, Armonk, NY (US)

Claim of US Patent No. 10,398,044

1. An apparatus comprising:a particle trap coupled to a first surface of an enclosure, wherein the first surface of the enclosure is opposite a top surface of a circuit board;
a particle guard coupled to the top surface on a first side of the circuit board located in the enclosure, wherein the enclosure includes one or more apertures on a second surface of the enclosure where the first side of the circuit board is introduced to an external airflow, wherein the particle guard is wedge shaped;
an electrostatically charged film coupled to a first surface of the particle guard, wherein the first surface of the particle guard forms an acute angle with the top surface of the circuit board; and
a plurality of electronic components coupled to the circuit board via a plurality of electronic connections, wherein a height of the particle guard is greater than a height of each of all the plurality of electronic connections.