Wireless suspension design with ground plane structure

Details Wireless suspension design with ground plane structure Wireless suspension design with ground plane structure

2007-01-09

2007-01-09

Klimowicz, William J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S246000, C360S244300

Reexamination Certificate

active

10195471

ABSTRACT:
Methods and devices are described that provide improved electromagnetic interference (EMI) protection for suspension assemblies. In one embodiment, a ground line is provided among the traces that are used in the suspension. Alternatively, a top ground plane is provided on top of the conductive traces with an interposed insulative layer. The ground line and/or the top ground plane provide EMI protection for read and write signals traveling through the traces (e.g., read and write traces) of the suspension assembly. The ground line and/or the top ground plane reduce the interaction between the read and the write traces, thus minimizing cross talk.

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patent: 6785094 (2004-08-01), Arya et al.
patent: 02236804 (1990-09-01), None

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