Circuit board embedded inductor

Details Circuit board embedded inductor Circuit board embedded inductor

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.

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