Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2006-10-10
2010-11-16
Kim, Paul D (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S603040, C029S603060, C029S603070, C216S062000, C216S065000, C216S066000, C360S244200, C360S244800, C360S245200, C360S245400, C360S294400
Reexamination Certificate
active
07832082
ABSTRACT:
A method for manufacturing an integrated lead suspension component. One or more first conductive ground planes are formed on a stainless steel base layer. One or more second conductive ground planes, including portions on the surface of the first conductive ground planes, are formed at void portions and backed portions of the stainless steel base layer. The material of the second conductive ground planes is non-reactive to a first etchant. An insulating layer is formed on the second ground planes on the side opposite the stainless steel base layer and on the stainless steel base layer. Traces are formed on the insulating layer. Voids are formed in void portions of the stainless steel base layer using the first etchant and the second conductive ground planes at the void portions as etch stops.
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Hentges Reed T.
Ladwig Peter F.
Swanson Kurt C.
Faegre & Benson LLP
Hutchinson Technology Incorporated
Kim Paul D
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