# US 2014/0153200 A1 · Printed circuit board

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- Number: US 2014/0153200 A1
- Document ID: US20140153200A1
- Status: Published application
- Kind: A1
- Application number: 14/086,982
- Filed: 2013-11-22
- Published: 2014-06-05
- Earliest claimed: 2012-12-04
- Assignees: Hon Hai Precision Industry Co., Ltd.
- Applicants: Hon Hai Precision Industry Co., Ltd.
- Inventors: SHAO-YOU TANG
- Web page: https://patentgrep.com/patent/US20140153200A1

## CPC

- H05K 1/0236: {Electromagnetic band-gap structures}
- H01P 1/2005: {Electromagnetic photonic bandgaps [EPB], or photonic bandgaps [PBG]}
- H05K 1/05: Insulated {conductive substrates, e.g. insulated} metal substrate
- H05K 1/165: {incorporating printed inductors}
- H05K 2201/09327: Special sequence of power, ground and signal layers in multilayer PCB
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B)

## Abstract

A printed circuit board includes a ground layer, a metal board, a via, and a power layer. The metal board is arranged between the ground layer and the power layer. The via is electrically connected between the metal board and the power layer. The power layer is made of a number of wires.

## Claims

### Claim 1

A printed circuit board (PCB) comprising a ground layer, a metal board, a via, and a power layer, wherein the metal board is arranged between the ground layer and the power layer, the via is connected between the metal board and the power layer, and the power layer comprises a plurality of wires.

### Claim 2 (depends on 1)

The PCB of claim 1, wherein the plurality of wires intersect at a central terminal, a first end of the via is electrically connected to the central terminal, and a second end of the via is connected to the metal board, the plurality of wires are bent to generate inductance, each wire together with a neighboring wire generate capacitance.

### Claim 3 (depends on 2)

The PCB of claim 2, wherein the plurality of wires comprises a first wire and a second wire, the first wire and the second wire are opposite each other about the central terminal, and an end of each of the first and second wires is connected to the central terminal

### Claim 4 (depends on 3)

The PCB of claim 3, wherein a first parallel circuit made up of a first capacitor and a first inductor is generated by the first wire and second wire.

### Claim 5 (depends on 4)

The PCB of claim 4, wherein the plurality of wires further comprises a third wire and a fourth wire, the third wire and the fourth wire are opposite each other about the central terminal, and an end of each of the third and fourth wires is connected to the central terminal.

### Claim 6 (depends on 5)

The PCB of claim 5, wherein a second parallel circuit made up of a second capacitor and an second inductor are generated by the third wire and the fourth wire, the first parallel circuit is connected to the second parallel circuit, a node between the first parallel circuit and the second parallel circuit is connected to a third capacitor through a third resistor, wherein the third capacitor and the third resistor are generated by the PCB.

### Claim 7 (depends on 6)

The PCB of claim 6, wherein the PCB has two bands 4.04 GHz-8.93 HGz, and 11.24 GHz-14.81 GHz, in which simultaneous switching noise cannot exist.