US Patent No. 9,832,915

PRESSURE LOCKING BOARD LEVEL SHIELD ASSEMBLIES


Patent No. 9,832,915
Issue Date November 28, 2017
Title Pressure Locking Board Level Shield Assemblies
Inventorship Shelby Ball, Friso, TX (US)
Assignee Laird Technologies, Inc., Earth City, MO (US)

Claim of US Patent No. 9,832,915

1. A board level shield (BLS) assembly for electromagnetic interference mitigation comprising a fence and a lid, wherein:
the lid comprises a planar surface of material having sidewalls descending from the planar surface to form an interior region,
and the lid is complementary in shape to the fence such that the lid is attachable to the fence such that the sidewalls of
the lid at least partially cover a perimeter of the fence;

the lid further comprises at least one interior tab positioned towards the interior region of the lid away from the sidewalls
of the lid by a distance substantially equal to a thickness of the fence;

the lid and fence together include a latching mechanism for attachment of the lid to the fence; and
the fence further includes at least one inward protrusion positioned such that, when the lid is attached to the fence via
the latching mechanism, the at least one inward protrusion of the fence pushes the at least one interior tab of the lid at
least slightly towards the interior region of the lid;
wherein:
the lid comprises a frame and a cover;
the frame comprises a perimeter rim extending inwardly from a top of the frame;
the perimeter rim includes inner edges that define an open top of the frame; and
the cover comprises a substantially horizontal portion of material affixed to the perimeter rim to cover the open top of the
frame.