Electrical lead suspension having partitioned air slots

Details Electrical lead suspension having partitioned air slots Electrical lead suspension having partitioned air slots

2005-01-18

2009-02-10

Miller, Brian E (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S244300, C360S246000

Reexamination Certificate

active

07489479

ABSTRACT:
An electrical lead suspension (ELS) having partitioned air slots. The ELS includes a laminate. A first plurality of signal traces and a second plurality of traces are in a first formed layer of the laminate. The second plurality of traces may be signal traces or power traces. The laminate has a dielectric layer between the first formed layer and a second formed layer. A plurality of partitioned air slots is in the second formed layer of the laminate. The portion of the ELS having a plurality of partitioned air slots supporting the at least the first plurality of signal traces and the portion of the ELS having a second plurality of partitioned air slots or patterns supporting the second plurality of traces. The supporting of the first plurality of signal traces separate from the second plurality of traces reduces write-to-read cross talk and signal loss. Offsetting the first plurality of air slots from second plurality of air slots further reduces cross talk and signal loss and restores some of the structural rigidity lost due to in line (e.g., aligned) slots.

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