Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2005-07-06
2008-08-19
Kim, Paul D (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S607000, C228S175000, C228S180220, C228S219000, C336S083000, C336S110000, C336S175000, C336S178000, C336S184000, C363S017000, C363S048000, C363S058000
Reexamination Certificate
active
07412766
ABSTRACT:
A method of fabricating a coil-embedded inductor provides steps for obtaining uniform density of coil-embedded inductor. The cavity of a first die is filled with dust before being flipped, and then filled with dust a second time. The dust in the cavity is pressed only once for improving the density.
REFERENCES:
patent: 6311387 (2001-11-01), Shikama et al.
patent: 2001/0016977 (2001-08-01), Moro et al.
patent: 2002/0002771 (2002-01-01), Lin et al.
patent: 2003/0141952 (2003-07-01), Moro et al.
Lee Cheng-Hong
Shiu Ming-Shan
Birch & Stewart Kolasch & Birch, LLP
Delta Electronics , Inc.
Kim Paul D
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