Reduced-gasket EMI-shielding solutions for hard disk drives...

Details Reduced-gasket EMI-shielding solutions for hard disk drives... Reduced-gasket EMI-shielding solutions for hard disk drives...

2006-06-20

2006-06-20

Ngo, Hung V. (Department: 2831)

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

C361S689000

Reexamination Certificate

active

07064265

ABSTRACT:
The present invention provides a configuration of a hard-drive containment system and method for manufacture in which a polymer including an electromagnetic interference shielding (EMI shielding) is configured such that shielding gaskets may be reduced or eliminated completely. Patterned sinusoidal “cuts” that are molded into one or more sides of a disk-drive container made of Premier® or another EMI shielding polymer material that provides sufficient EMI shielding, such that further shielding, such that the need for gaskets is reduced or eliminated.

REFERENCES:
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patent: 4759466 (1988-07-01), Chase et al.
patent: 6870092 (2005-03-01), Lambert et al.
patent: 6879495 (2005-04-01), Jiang
patent: 2005/0029000 (2005-02-01), Aisenbrey
Search No. Question No.- 1272050.009, TORP.5A, One-Hit Stamping/Cutting for EMI Shielding, Gene O'Neil, Investigator, Dec. 23, 2004 (28 pages).
Question No.- 1272050.008, TORP5.A, One-Hit Stamping/Cutting for EMI Shielding, Gene O. Neil, Investigator, Dec. 23, 2004 (8 pages).
Jan Carlsson and Per-Simon Kildal, “Analysis of Corregated Soft Edges to Reduce Scattering from Gaps Between Reflecting Panels,” IEEE, 1993.
Carlsson and Kildal, “Transmission Through Corregated Slots,” IEEE Transactions on Electromagnetic Compatibility, vol., 37, No. 1, Feb. 1995.

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