Printed-circuit board having antennas and electromagnetic-tunnel-embedded architecture and manufacturing method thereof

Patent metadata

Field	Value
Publication number	US-2018131084-A1
Application number	US-201615372768-A
Country	US
Kind code	A1
Filing date	Dec 8, 2016
Priority date	Nov 8, 2016
Publication date	May 10, 2018
Grant date	—

Abstract

Disclosed is a printed circuit board (PCB) structure, in which an electromagnetic signal transmitting antenna and/or an electromagnetic signal receiving antenna, and an electromagnetic signal transferring tunnel (EM-tunnel) are embedded, the PCB structure including a PCB, an EM-tunnel that includes a dielectric core and a metal clad that surrounds the dielectric core and that is embedded in the PCB to be parallel to the PCB, and at least one transmitting antenna and/or at least one receiving antenna that are embedded in the PCB, wherein the transmitting antenna and/or the receiving antenna are arranged at an input port and an output port of the EM-tunnel embedded in the PCB to transmit and receive electromagnetic signals to and from the interior of the EM-tunnel.

First claim

What is claimed is:

1 . A printed circuit board (PCB) structure, in which an electromagnetic signal transmitting antenna and/or an electromagnetic signal receiving antenna, and an electromagnetic signal transferring tunnel (EM-tunnel) are embedded, the printed circuit board structure comprising:
a printed circuit board; an EM-tunnel that comprises a dielectric core and a metal clad that surrounds the dielectric core and that is embedded in the printed circuit board to be parallel to the printed circuit board; and at least one transmitting antenna and/or at least one receiving antenna that are embedded in the printed circuit board, wherein the transmitting antenna and/or the receiving antenna are arranged at an input port and an output port of the EM-tunnel embedded in the printed circuit board to transmit and receive electromagnetic signals to and from the inside of the EM-tunnel.

2 . The printed circuit board structure of claim 1 , wherein the transmitting antenna and/or the receiving antenna have planar shapes, and configurations of the transmitting antenna and/or the receiving antenna, at which the transmitting antenna and/or the receiving antenna are arranged at the input port and the output port of the EM-tunnel, are determined based on the transmitting and receiving directions of electromagnetic signals from the transmitting antenna and to receiving antenna.

3 . The printed circuit board structure of claim 2 , wherein the transmitting antenna and/or the receiving antenna are configured to be parallel the printed circuit board such that the electromagnetic signals are transmitted and received to and from the inside of the EM-tunnel when the transmitting and receiving directions of electromagnetic signals are parallel to surfaces of the transmitting antenna and/or the receiving antenna.

4 . The printed circuit board structure of claim 2 , wherein the transmitting antenna and/or the receiving antenna are configured to be perpendicular to the printed circuit board such that the electromagnetic signals are transmitted and received to and from the inside of the EM-tunnel when the transmitting and receiving directions of electromagnetic signals are perpendicular to surfaces of the transmitting antenna and/or the receiving antenna.

5 . The printed circuit board structure of claim 2 , wherein the transmitting antenna and/or the receiving antenna are configured to be parallel to the printed circuit board so as covering some open area of the input port and the output port formed on upper or lower side of the EM-tunnel such that the electromagnetic signals are transmitted and received to and from the inside of the EM-tunnel when the transmitting and receiving directions of electromagnetic signals are inclined at a specific angle with respect to surfaces of the transmitting antenna and/or the receiving antenna.

6 . The printed circuit board structure of claim 1 , wherein the transmitting antenna and/or the receiving antenna comprise a plurality of sets of transmitting antennas and receiving antennas, and
wherein the plurality of sets of transmitting antennas and receiving antennas transmit and receive electromagnetic signals of multiple channels to and from the EM-tunnel.

7 . The printed circuit board structure of claim 6 , wherein the plurality of sets of transmitting antennas and receiving antennas are embedded with multilayered structures, respectively, in the printed circuit board and are configured at the input port and the output port of a single EM-tunnel.

8 . The printed circuit board structure of claim 1 , wherein any one of the input port and the output port of the EM-tunnel is exposed to a surface of the printed circuit board and is coupled to a connector that connects the EM-tunnel to an electromagnetic signal transferring tube (E-tube) provided outside the printed circuit board.

9 . The printed circuit board structure of claim 1 , wherein the transmitting antenna and/or the receiving antenna are connected to a component of microstrip-to-waveguide transition that is placed on a surface of the printed circuit board or in the printed circuit board.

10 . A method for manufacturing a printed circuit board (PCB) structure, in which an electromagnetic signal transmitting antenna and/or an electromagnetic signal receiving antenna, and an electromagnetic signal transferring tunnel (EM-tunnel) are embedded, the method comprising:
embedding an EM-tunnel comprising a dielectric core and a metal clad that surrounds the dielectric core in the printed circuit board, the EM-tunnel being parallel to the printed circuit board; and embedding the transmitting antenna and/or the receiving antenna in the printed circuit board, wherein the embedding of the transmitting antenna and/or the receiving antenna comprises: configuring the transmitting antenna and/or the receiving antenna at an input port and an output port of the EM-tunnel such that electromagnetic signals are transmitted and received to and from the inside of the EM-tunnel.

Assignees

• Korea Advanced Inst Sci & Tech

Inventors

• Park Hyo-Hoon
• Bae Hyeon Min
• Song Ha Il
• Lee Dae-Seong
• Lee Harin

Classifications

• H01Q1/38 Primary

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01Q9/0485

  Dielectric resonator antennas · CPC title

• G02B6/12

  of the integrated circuit kind (electric integrated circuits H10B, H10D84/00 - H10D89/00, H10F19/00, H10F39/00, H10H29/00, H10K19/00, H10K39/00, H10K59/00, H10N19/00, H10N39/00, H10N59/00, H10N69/00, H10N79/00, H10N89/00) · CPC title

• H01P3/16

  Dielectric waveguides, i.e. without a longitudinal conductor · CPC title

• H05K1/0216 Primary

  Reduction of cross-talk, noise or electromagnetic interference (grounding H05K1/0215) · CPC title