# US 11,909,118 B2 · Antenna

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- Number: US 11,909,118 B2
- Document ID: US11909118B2
- Status: Granted
- Kind: B2
- Application number: 17/547,647
- Filed: 2021-12-10
- Published: 2022-03-31
- Granted: 2024-02-20
- Earliest claimed: 2021-06-30
- Assignees: Shanghai Tianma Micro-Electronics Co., Ltd.
- Applicants: Shanghai Tianma Micro-Electronics Co., Ltd.
- Inventors: Zhenyu Jia; Kerui Xi; Baiquan Lin; Linzhi Wang; Qinyi Duan; Zuocai Yang; Feng Qin
- Web page: https://patentgrep.com/patent/US11909118B2

## CPC

- H01Q 21/0075: {Stripline fed arrays (H01Q21/065 takes precedence)}
- H01Q 1/38: 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)}
- H01Q 3/36: with variable phase-shifters
- H01Q 3/44: varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q 9/0457: {electromagnetically coupled to the feed line}
- H01Q 21/0087: {Apparatus or processes specially adapted for manufacturing antenna arrays (manufacturing waveguides H01P11/00)}
- H01Q 21/065: {Patch antenna array}
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

Provided is an antenna. The antenna includes a first metal electrode, a second metal electrode, and a dielectric functional layer. The first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode includes a plurality of transmission electrodes. The antenna further includes a flexible coplanar waveguide and a feed network. The flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network.

## Claims

### Claim 1

An antenna, comprising a first metal electrode, a second metal electrode, and a dielectric functional layer,
wherein the first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode comprises a plurality of transmission electrodes; and
the antenna further comprises:
a flexible coplanar waveguide and a feed network, wherein the flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network;
wherein the feed network is disposed at a same layer as the plurality of transmission electrodes;
the antenna further comprises a first flexible substrate, wherein the first metal electrode is disposed on the first flexible substrate;
wherein the flexible coplanar waveguide comprises a flexible support layer, and a central band and a grounding band which are located on the flexible support layer;
the first flexible substrate and the flexible support layer are an integrated structure; and
the first metal electrode further comprises the central band and the grounding band;
wherein the antenna further comprises a flexible circuit board;
wherein the flexible circuit board comprises a second flexible substrate and a metal transmission line located on the second flexible substrate;
the first flexible substrate, the second flexible substrate, and the flexible support layer are an integrated structure; and
the first metal electrode further comprises the metal transmission line.

### Claim 2 (depends on 1)

The antenna of claim 1, wherein a fixed potential is provided for the second metal electrode.

### Claim 3 (depends on 1)

The antenna of claim 1, wherein the dielectric functional layer comprises a photo-dielectric change layer or a liquid crystal layer.

### Claim 4

A method of manufacturing an antenna, comprising:
providing an antenna base plate and a flexible coplanar waveguide, wherein the antenna base plate comprises a first metal electrode, a second metal electrode, a dielectric functional layer, and a feed network; the first metal electrode and the second metal electrode are located on two opposite sides of the dielectric functional layer, respectively; and the first metal electrode comprises a plurality of transmission electrodes;
disposing the flexible coplanar waveguide on the antenna base plate, wherein the flexible coplanar waveguide is electrically connected to the feed network and configured to feed an electrical signal to the feed network; wherein the feed network is disposed at a same layer as the plurality of transmission electrodes;
providing a first flexible substrate, wherein the first metal electrode is disposed on the first flexible substrate; wherein the flexible coplanar waveguide comprises a flexible support layer, and a central band and a grounding band which are located on the flexible support layer; the first flexible substrate and the flexible support layer are an integrated structure; and the first metal electrode further comprises the central band and the grounding band; and
providing a flexible circuit board, wherein the flexible circuit board comprises a second flexible substrate and a metal transmission line located on the second flexible substrate; the first flexible substrate, the second flexible substrate, and the flexible support layer are an integrated structure; and the first metal electrode further comprises the metal transmission line.