Printed circuit variable impedance transmission line antenna
First Claim
1. A method of fabricating a meander line antenna having at least one radiating element, and at least one meander line fabricated using printed circuit techniques that do not require hand assembly, the method comprising the steps of:
- i) providing a meander line printed circuit board;
ii) forming a continuous non-overlapping conductor trace on at least one surface of said meander line printed circuit board, thereby forming said meander line;
iii) providing vias in the meander line printed circuit board for said conductor trace; and
iv) coupling said at least one meander line to each of said at least one radiating element.
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Accused Products
Abstract
A meander line antenna (MLA) is fabricated by using printed circuit techniques to form a one-piece meander line. Previous MLAs so constructed required hand assembly. The present method of the invention utilizes photolithographic methods and plated through hole construction to fabricate the antenna without the need for hand assembly. A conductor trace is etched on both sides of a printed circuit board, and slotted vias are milled into the board, wherein the vias are plated through to form the continuous meander line circuit.
31 Citations
15 Claims
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1. A method of fabricating a meander line antenna having at least one radiating element, and at least one meander line fabricated using printed circuit techniques that do not require hand assembly, the method comprising the steps of:
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i) providing a meander line printed circuit board;
ii) forming a continuous non-overlapping conductor trace on at least one surface of said meander line printed circuit board, thereby forming said meander line;
iii) providing vias in the meander line printed circuit board for said conductor trace; and
iv) coupling said at least one meander line to each of said at least one radiating element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of fabricating an integrated printed circuit board meander line, the method comprising the steps of:
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i) forming a continuous non-overlapping conductor trace around a printed circuit board material, wherein said trace makes one or more revolutions about said board;
ii) providing vias in said circuit board for said trace to make said revolutions;
iii) forming said traces on at least one edge of said circuit board to make said revolutions; and
iv) disposing said printed circuit board material onto a dielectric base. - View Dependent Claims (11)
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12. A printed circuit meander line, comprising:
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a dielectric substrate having a pair of substantially parallel opposed surfaces and at least one edge section;
a multiplicity of printed circuit conductors formed on the opposed surfaces of the substrate;
connector means serially connecting the multiplicity of printed circuit conductors to form a single continuous meander line with series connected alternating printed circuit conductors located on opposite surfaces of the substrate, wherein said connector means include printed circuit conductors formed on said at least one edge section; and
a dielectric layer mounted on one surface of the substrate over the printed circuit conductors on that surface. - View Dependent Claims (13, 14, 15)
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Specification