Integrated on-chip half-wave dipole antenna structure
First Claim
1. An antenna formed on a semiconductor structure, said semiconductor structure comprising:
- a substrate, containing electrical circuits operationally related to the functionality of the antenna;
a first antenna element and a second antenna element formed on said substrate, wherein said first and second antenna elements each have a longitudinal axis and each of said longitudinal axes lies along substantially the same linear axis, and are separated by a gap;
wherein each of said first and second antenna elements are in electrical contact with said electrical circuits; and
wherein each of said first and second antenna elements are solder bumps.
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Abstract
A semiconductor device is presented which is composed of two adjacent semiconductor chips. Each semiconductor chip has an integrated half-wave dipole antenna structure located thereon. The semiconductor chips are oriented so that the half-wave dipole antenna segments extend away from each other, allowing the segments to be effectively mated and thus form a complete full-wave dipole antenna. The two solder bumps which form the antenna are separated by a gap of approximately 200 microns. The length of each solder bump antenna is based on the wavelength and the medium of collection. Phased array antenna arrays may also be constructed from a plurality of these semiconductor chip antennae.
30 Citations
16 Claims
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1. An antenna formed on a semiconductor structure, said semiconductor structure comprising:
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a substrate, containing electrical circuits operationally related to the functionality of the antenna;
a first antenna element and a second antenna element formed on said substrate, wherein said first and second antenna elements each have a longitudinal axis and each of said longitudinal axes lies along substantially the same linear axis, and are separated by a gap;
wherein each of said first and second antenna elements are in electrical contact with said electrical circuits; and
wherein each of said first and second antenna elements are solder bumps. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An antenna formed on a semiconductor structure, said semiconductor structure comprising:
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a substrate, containing electrical circuits operationally related to the functionality of the antenna, wherein the substrate is selected from a group consisting of bulk crystalline silicon, silicon-on-insulator, silicon-on-sapphire, gallium arsenide, indium phosphide, or arsenides, phosphides, antimonides, and nitrides of group III and group V transition elements;
a first antenna element and a second antenna element formed on said substrate, wherein said first and second antenna elements each have a longitudinal axis and each of said longitudinal axes lies along substantially the same linear axis, and are separated by a gap;
wherein each of said first and second antenna elements are in electrical contact with said electrical circuits; and
wherein each of said first and second antenna elements are solder bumps.
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8. A method of forming an antenna structure on a semiconductor substrate comprising the steps of:
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providing a semiconductor substrate;
providing semiconductor devices fabricated within at least one layer of said semiconductor substrate;
forming at least one solder bump antenna element on the semiconductor substrate; and
forming at least one connecting device to electrically connect said solder bump antenna element and at least one of said semiconductor devices. - View Dependent Claims (9, 10, 11)
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12. A method of forming a phased antenna array of semiconductor chip antennae comprising:
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providing a plurality of semiconductor substrates;
forming a plurality of on-chip solder bump antennae on said semiconductor substrates; and
manipulating said plurality of on-chip solder bump antennae. - View Dependent Claims (13, 14)
tuning the antennae to provide steerable transmission beams; and
tuning the antennae to provide steerable reception beams.
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15. A semiconductor packaging structure comprising:
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a semiconductor chip having an antenna formed on a first surface thereof, wherein said antenna is formed from at least one solder bump;
a plurality of electrical interconnects formed on the first surface; and
a device for connecting to said semiconductor chip via said electrical interconnects, said device having structural refinements to operationally accommodate said antenna. - View Dependent Claims (16)
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Specification