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US 2022/0045431 A1Published application
Injection molded dielectric antenna formed with an antenna mold that compensates the dielectric during curing
AssigneeAT&T Intellectual Property I, L.P.
InventorDavid M. Britz
Life of this patent
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Abstract
In accordance with one or more embodiments, a method includes injection molding of a dielectric material in a pre-distorted antenna mold; and curing the dielectric material. The pre-distorted dielectric mold has a shape that compensates for shape distortion of the dielectric material during the curing.
Claims20
A method, comprising:
- determining, by a processing system comprising a processor, a predetermined dimension and a predetermined shape of a dielectric antenna system comprising a dielectric antenna having a feed point and a dielectric core portion in communication with the feed point, wherein the dielectric antenna defines an external surface;
- identifying, by the processing system, a curing-induced shape distortion according to a curing process, the predetermined dimension, and the predetermined shape of the dielectric antenna;
- and
- defining, by the processing system, a pre-distorted interior surface shape based on the curing-induced shape distortion, the predetermined dimension and the predetermined shape,
- wherein an antenna mold comprising the pre-distorted interior surface shape, accommodates injection of a dielectric material, molding the dielectric material according to the pre-distorted interior surface shape,
- wherein the curing-induced shape distortion induced by a curing-induced volumetric strain of the dielectric material during the curing process yields dielectric antenna according to the predetermined dimension and the predetermined shape, and
- wherein the dielectric antenna system facilitates transmission of first electromagnetic waves, the first electromagnetic waves guided by the dielectric core portion, without requiring an electrical return path, to the feed point of the dielectric antenna.
4 more elements
A method, comprising:
- injecting a dielectric liquid into a mold to obtain a dielectric antenna system comprising a solid dielectric antenna having a feed point and a dielectric core portion in communication with the feed point, wherein the solid dielectric antenna further defines an external surface according to a predetermined dimension and a predetermined shape, wherein the mold defines an interior surface distorted from the predetermined shape to compensate for a curing-induced volumetric strain of the dielectric liquid;
- facilitating, within the mold, a curing of the dielectric liquid to obtain a cured dielectric antenna system comprising the solid dielectric antenna;
- and
- removing, from the mold, the cured dielectric antenna system comprising the solid dielectric antenna defining an external surface according to the predetermined dimension and the predetermined shape, wherein the cured dielectric antenna system facilitates transmission of first electromagnetic waves, the first electromagnetic waves guided by the dielectric core portion, without requiring an electrical return path, to the feed point of the solid dielectric antenna.
1 more element
A dielectric antenna system, comprising:
- a portion of a dielectric core;
- and
- a dielectric antenna having a feed point in communication with the portion of the dielectric core, wherein the dielectric antenna is produced according to a process comprising:
- determining a predetermined size and a predetermined shape of the dielectric antenna, the dielectric antenna defining an external surface;
- determining a curing-induced shape distortion according to a curing process, the predetermined size, and the predetermined shape of the dielectric antenna;
- identifying a pre-distorted interior surface shape based on the curing-induced shape distortion, the predetermined size and the predetermined shape;
- and
- injecting a dielectric liquid into a mold comprising the pre-distorted interior surface shape to obtain a molded dielectric liquid, wherein a curing of the molded dielectric liquid induces a curing-induced volumetric strain to the molded dielectric liquid during the curing process resulting in a solid dielectric antenna according to the predetermined size and the predetermined shape, and wherein the dielectric antenna system facilitates transmission of first electromagnetic waves, the first electromagnetic waves guided by the portion of the dielectric core, without requiring an electrical return path, to the feed point of the dielectric antenna.
5 more elements
Dependencies are inferred from the claim text.