High frequency polymer on metal radiator
First Claim
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1. A unit cell of a phased array antenna comprising:
- a metal plate having a hole, a first side and a second side opposite the first side;
a first plurality of laminate layers disposed on the first side;
a second plurality of laminate layers disposed on the second side of the metal plate;
a radiator disposed in the first plurality of laminate layers on the first side;
a feed circuit disposed in the second plurality of laminate layers on the second side and configured to provide excitation signals to the radiator;
a first plurality of vias extending through and contained in a length of the hole connecting the feed circuit to the radiator; and
a second plurality of vias located outside of the hole at respective distances from the first plurality of vias connecting the radiator to the metal plate through the first plurality of laminate layers.
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Abstract
In one aspect, a unit cell of a phased array antenna includes a metal plate having a hole, a first side and a second side opposite the first side, a first plurality of laminate layers disposed on the first side, a second plurality of layers disposed on the second side of the metal plate, a radiator disposed in the first plurality of layer on the first side, a feed circuit disposed in the second plurality of laminate layers on the second side and configured to provide excitation signals to the radiator and a first plurality of vias extending through the hole connecting the feed circuit to the radiator.
92 Citations
20 Claims
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1. A unit cell of a phased array antenna comprising:
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a metal plate having a hole, a first side and a second side opposite the first side; a first plurality of laminate layers disposed on the first side; a second plurality of laminate layers disposed on the second side of the metal plate; a radiator disposed in the first plurality of laminate layers on the first side; a feed circuit disposed in the second plurality of laminate layers on the second side and configured to provide excitation signals to the radiator; a first plurality of vias extending through and contained in a length of the hole connecting the feed circuit to the radiator; and a second plurality of vias located outside of the hole at respective distances from the first plurality of vias connecting the radiator to the metal plate through the first plurality of laminate layers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 20)
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18. A method of manufacturing a unit cell of a phased array antenna, comprising:
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machining a metal plate to have at least one hole; filling the at least one hole with a laminate; adding a first plurality of laminate layers to a first surface of the metal plate; adding a second plurality of laminate layers to a second surface of the metal plate opposite the first surface; and adding a radiator in the first plurality of laminate layers on the first side; adding a feed circuit in the second plurality of laminate layers on the second side and configured to provide excitation signals to the radiator; adding a first plurality of vias extending through and contained in a length of the hole connecting the feed circuit to the radiator; and adding a second plurality of vias located outside of the hole at respective distances from the first plurality of vias connecting the radiator to the metal plate through the first plurality of laminate layers. - View Dependent Claims (19)
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Specification