Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2006-02-14
2006-02-14
Nguyen, Tuyen T (Department: 2832)
Metal working
Method of mechanical manufacture
Electrical device making
C438S003000, C336S200000
Reexamination Certificate
active
06996892
ABSTRACT:
A circuit board having an embedded inductor and a process for making the circuit board is provided. In general, the process begins by providing a core structure including a dielectric core layer and a first metal layer on a top surface of the dielectric core layer. The first metal layer is etched to form first inductor windings. A material, such as an epoxy material, including magnetic filler material is deposited over the first inductor windings. Thereafter, a prepreg layer is placed over and attached to the material deposited over the first inductor windings to form the circuit board having the embedded inductor.
REFERENCES:
patent: 3290758 (1966-12-01), Moyer
patent: 2002/0013005 (2002-01-01), Rhee
patent: 2002/0182374 (2002-12-01), Tung
patent: 2003/0109118 (2003-06-01), Ott et al.
patent: 2004/0103522 (2004-06-01), Ahn et al.
Dening David
Dorn Steve
Jorgenson Jon
Kay Michael
Rao Yang
Nguyen Tuyen T
RF Micro Devices, Inc.
Withrow & Terranova , PLLC
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