Printed circuit board including embedded resistor and method...

Details Printed circuit board including embedded resistor and method... Printed circuit board including embedded resistor and method...

2007-10-02

2007-10-02

Lee, K. Richard (Department: 2832)

Electrical resistors

With base extending along resistance element

Resistance element coated on base

C338S204000, C338S249000, C174S250000, C219S121140

Reexamination Certificate

active

11022074

ABSTRACT:
Disclosed is a PCB including an embedded resistor and a method of fabricating the same. The PCB includes a plurality of circuit layers in which circuit patterns are formed. A plurality of insulating layers is each interposed between the circuit layers. The embedded resistor is made of a resistive material and received in a receiving hole formed in the plurality of circuit layers and the plurality of insulating layers such that walls defining the receiving hole extends from one of the circuit layers to another circuit layer. The receiving hole has a closed section, and a conductive material is plated on the opposite walls of the walls defining the receiving hole.

REFERENCES:
patent: 6284982 (2001-09-01), Kusner et al.
patent: 6541137 (2003-04-01), Kingon et al.
patent: 2004/0000425 (2004-01-01), White et al.
patent: 2005/0175385 (2005-08-01), Cho et al.
patent: 2000-340956 (2000-12-01), None
patent: 2001-15909 (2001-01-01), None
patent: 2001-15920 (2001-01-01), None
patent: 2002-64274 (2002-02-01), None
patent: 2004-63722 (2004-02-01), None
Patent Abstracts of Korea for 2002-48111 filed Aug. 14, 2002.
Patent Abstracts of Korea for 2001-76218 filed Dec. 4, 2001.

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