IP Library Granted Patent US 7,742,257
Granted Patent B2
US 7,742,257 · App. 11/624,420 · Granted Jun 22, 2010

Acoustic damping pad that reduces deflection of a circuit board

Assignee: Seagate Technology LLC
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Quick Facts
Patent No.
US 7,742,257
App. No.
11/624,420
Granted
Jun 22, 2010
Kind
B2
Abstract

A acoustic damping pad is provided. The acoustic damping pad includes a first surface and an opposing second surface that are defined by a periphery. A first set of perforations extend between the first surface and the second surface of the acoustic damping pad. Each adjacent perforation in the first set of perforations is uniformly spaced apart from each other across a first select surface area of the first surface and across a corresponding first select surface area of the opposing second surface to form a uniform pattern.

Claims (35)

1. An electronic device comprising:

an enclosure;

a printed circuit board assembly:

an acoustic damping pad positioned between the enclosure and the printed circuit board assembly of the electronic device, the acoustic dampening pad comprising:

a first surface and an opposing second surface defined by a periphery; and

a first set of perforations extending between the first surface and the second surface of the acoustic damping pad, wherein each adjacent perforation in the first set of perforations is uniformly spaced apart from each other across a first select surface area of the first surface and a corresponding first select surface area of the opposing second surface to form a uniform pattern.

2. The electronic device of claim 1 , wherein the periphery of the pad corresponds with a periphery of the printed circuit board assembly which is secured to the acoustic dampening pad.

3. The electronic device of claim 2 , wherein the first set of perforations is positioned on the acoustic damping pad at a location that corresponds with a location on the printed circuit board assembly which includes deflection.

4. The electronic device of claim 1 , wherein each of the first set of perforations is substantially circular shaped.

5. The electronic device of claim 1 , wherein each of the first set of perforations have substantially similar sizes and geometric shapes.

6. The electronic device of claim 1 , further comprising a second set of perforations extending between the first surface and the second surface of the acoustic damping pad, wherein each adjacent perforation in the second set of perforations is uniformly spaced apart from each other across a second select surface area of the first surface and a corresponding second select surface area of the opposing second surface to form a uniform pattern.

7. The electronic device of claim 6 , wherein each of the second set of perforations have substantially similar sizes and geometric shapes.

8. The electronic device of claim 6 , wherein each of the first set of perforations include different sizes and geometric shapes than each of the second set of perforations.

9. The electronic device of claim 6 , wherein the first set of perforations and the second set of perforations include geometric shapes selected from one of a circle, an ellipse and a rectangle.

10. An electronic device comprising:

a housing including an external surface;

a printed circuit board assembly coupled to the housing, the printed circuit board assembly including at least one area susceptible to deflection when coupled to the housing; and

an acoustic dampening pad compressively positioned between the external surface of the housing and the printed circuit board assembly, the acoustic dampening pad including a first surface facing the external surface of the housing, a second surface facing the printed circuit board assembly and a plurality of perforations extending between the first surface and the second surface of the pad that are positioned on the acoustic dampening pad in a location that corresponds with the at least one area of deflection of the printed circuit board assembly.

11. The electronic device of claim 10 , wherein the plurality of perforations comprises a first set of perforations uniformly spaced apart from each other across a first select surface area of the first surface and a corresponding first select surface area of the opposing second surface to form a uniform pattern.

12. The electronic device of claim 11 , wherein each perforation of the first set of perforations comprises similar geometric shapes and sizes.

13. The electronic device of claim 10 , wherein the plurality of perforations comprises:

a first set of perforations uniformly spaced apart from each other across a first select surface area of the first surface and a corresponding first select surface area of the opposing second surface to form a uniform pattern; and

a second set of perforations uniformly spaced apart from each other across a second select surface area of the first surface and a corresponding second select surface area of the opposing second surface to form a uniform pattern.

14. The electronic device of claim 13 , wherein each perforation of the second set of perforations comprises similar geometric shapes and sizes.

15. The electronic device of claim 13 , wherein the wherein each of the first set of perforations include different sizes and geometric shapes than each of the second set of perforations.

16. The electronic device of claim 13 , wherein the first set of perforations and the second set of perforations include geometric shapes selected from one of a circle, an ellipse and a rectangle.

17. An electronic device comprising:

an acoustic damping pad compressively positioned between an enclosure and a printed circuit board assembly of the electronic device, the acoustic dampening pad comprising:

a first surface and an opposing second surface defined by a periphery; and

a plurality of perforations extending between the first surface and the second surface of the pad that are positioned in a location that correspond with at least one area of deflection on the printed circuit board assembly, wherein each adjacent perforation is uniformly spaced apart from each other to form at least one uniform pattern.

18. The electronic device of claim 17 , wherein the plurality of perforations comprises a first set of perforations uniformly spaced apart from each other across a first select surface area of the first surface and a corresponding first select surface area of the opposing second surface to form a uniform pattern.

19. The electronic device of claim 17 , wherein the plurality of perforations comprises:

a first set of perforations uniformly spaced apart from each other across a first select surface area of the first surface and a corresponding first select surface area of the opposing second surface to form a uniform pattern; and

a second set of perforations uniformly spaced apart from each other across a second select surface area of the first surface and a corresponding second select surface area of the opposing second surface to form a uniform pattern.

20. The electronic device of claim 19 , wherein the wherein each of the first set of perforations include different sizes and geometric shapes than each of the second set of perforations.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded Jul 23, 2025
From: THE BANK OF NOVA SCOTIA
To: SEAGATE TECHNOLOGY PUBLIC LIMITED COMPANY; SEAGATE TECHNOLOGY; SEAGATE TECHNOLOGY HDD HOLDINGS; I365 INC.; SEAGATE TECHNOLOGY LLC; SEAGATE TECHNOLOGY INTERNATIONAL; SEAGATE HDD CAYMAN; SEAGATE TECHNOLOGY (US) HOLDINGS, INC.
Reel/Frame 072193/0001 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS Recorded Jul 19, 2013
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT AND SECOND PRIORITY REPRESENTATIVE
To: SEAGATE TECHNOLOGY LLC; EVAULT INC. (F/K/A I365 INC.); SEAGATE TECHNOLOGY INTERNATIONAL; SEAGATE TECHNOLOGY US HOLDINGS, INC.
Reel/Frame 030833/0001 →
SECURITY AGREEMENT Recorded Mar 24, 2011
From: SEAGATE TECHNOLOGY LLC
To: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT
Reel/Frame 026010/0350 →
RELEASE Recorded Jan 19, 2011
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: SEAGATE TECHNOLOGY HDD HOLDINGS; MAXTOR CORPORATION; SEAGATE TECHNOLOGY LLC; SEAGATE TECHNOLOGY INTERNATIONAL
Reel/Frame 025662/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2009
From: MAXTOR CORPORATION
To: SEAGATE TECHNOLOGY LLC
Reel/Frame 022987/0909 →
SECURITY AGREEMENT Recorded May 15, 2009
From: MAXTOR CORPORATION; SEAGATE TECHNOLOGY LLC; SEAGATE TECHNOLOGY INTERNATIONAL
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT AND FIRST PRIORITY REPRESENTATIVE; WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT AND SECOND PRIORITY REPRESENTATIVE
Reel/Frame 022757/0017 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2007
From: ACCIARDI, EDWARD G.; MICHAEL, A. DAVID; HAYNES, JONATHAN S.; MANN, KIMBERLY C.; LEIS, MICHAEL D.
To: MAXTOR CORPORATION
Reel/Frame 018804/0107 →
Continuity (2)
Provisional Application 6075980600 · Jan 18, 2006
Related Publication 20070165328A1 · Jul 19, 2007