IP Library Granted Patent US 7,684,213
Granted Patent B2
US 7,684,213 · App. 11/821,617 · Granted Mar 23, 2010

CRU interlocking EMI shield

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Quick Facts
Patent No.
US 7,684,213
App. No.
11/821,617
Granted
Mar 23, 2010
Kind
B2
Abstract

An EMI shield apparatus for connecting to a CRU frame, a memory unit emitting EMI through a periphery of the CRU frame, the EMI shield apparatus comprising a shield base, a plurality of sides bordering the shield base for blocking EMI emitted from a portion of the periphery of the CRU frame, and a plurality of tabs connected to at least one of the plurality of sides for blocking EMI emitted from the corners of the periphery of the CRU frame when the plurality of sides are in a compressed condition.

Claims (14)

1. An electronic device with a CRU frame having a periphery, the electronic device comprising:

a housing;

a control unit within the housing for processing data and executing programs;

a memory unit in the CRU frame for storing data to be processed and programs to be executed by the control unit;

an Input/Output system for inputting data to the memory unit and for outputting from the electronic device data processed by the control unit; and

an EMI shield device for connecting to the CRU frame, the EMI shield including

a shield base;

a plurality of sides bordering the shield base for shielding EMI emitted from a portion of a periphery of the CRU frame; and

a plurality of tabs, each tab of said plurality of tabs connected to a side of said plurality of sides for shielding EMI emitted from corners of a periphery of the CRU frame when the plurality of sides are in a compressed condition, wherein each tab coupled to said side of said plurality of sides is configured to partially overlap another side of said plurality of sides, wherein the EMI shield device interlocks with the CRU frame and is configured to provide a continuous EMI shield around the periphery of the CRU frame.

2. The electronic device of claim 1 , wherein the EMI shield device comprises at least one of an EMI absorbing material and an EMI reflecting material.

3. The electronic device of claim 2 , wherein the EMI shield device has been tuned to meet specific EMI requirements.

4. The electronic device of claim 1 , wherein the EMI shield device is implemented with single-piece construction.

5. The electronic device of claim 1 , wherein the EMI shield device comprises a plurality of apertures for interfacing with a standardized CRU frame.

6. The electronic device of claim 1 , further comprising a network interface, a power source, and a bus.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 27, 2011
From: LSI LOGIC CORPORATION
To: NETAPP, INC.
Reel/Frame 026661/0205 →
MERGER Recorded Feb 2, 2010
From: LSI LOGIC CORPORATION
To: LSI CORPORATION
Reel/Frame 023886/0023 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 25, 2007
From: TITUS, GREGORY C.
To: LSI LOGIC CORPORATION
Reel/Frame 019534/0269 →