Printed circuit board having a layered signal line pair, a...

Details Printed circuit board having a layered signal line pair, a... Printed circuit board having a layered signal line pair, a...

2011-07-26

2011-07-26

Dinh, Tuan T (Department: 2835)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S245900, C174S250000, C174S251000, C361S770000

Reexamination Certificate

active

07986495

ABSTRACT:
A first insulating layer is formed on a suspension body, and a write wiring trace and a read wiring trace are formed on the first insulating layer. A second insulating layer is formed on the first insulating layer so as to cover the wiring traces. A write wiring trace and a read wiring trace are formed on the second insulating layer. A third insulating layer is formed on the second insulating layer so as to cover the wiring traces. The width of the wiring trace is larger than the width of the wiring trace, and the width of the wiring trace is larger than the width of the wiring trace.

REFERENCES:
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patent: 5995328 (1999-11-01), Balakrishnan
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patent: 7019959 (2006-03-01), Chua
patent: 2004/0070884 (2004-04-01), Someya et al.
patent: 2006/0092572 (2006-05-01), Kiyono
patent: 2007/0133128 (2007-06-01), Arai
patent: 2004-133988 (2004-04-01), None

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