Semiconductor device including antenna
First Claim
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1. A semiconductor device comprising:
- an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire;
a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and
an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer,wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer,wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate,wherein at least one of the power supply wire and the ground wire is arranged in a non-circular shape; and
wherein the element forming layer and the antenna are provided so as to overlap each other at least partially.
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Abstract
A semiconductor device that can prevent reduction in the amplitude of electromagnetic waves transmitted from a reader/writer, and can prevent heating of an element forming layer due to a change in a magnetic field. The semiconductor device of the invention has an element forming layer formed over a substrate, and an antenna connected to the element forming layer. The element forming layer has at least wires such as a power supply wire and a ground wire that are arranged in a non-circular shape. The element forming layer and the antenna may be provided so as to overlap each other at least partially. The antenna may be provided above or below the element forming layer.
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Citations
12 Claims
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1. A semiconductor device comprising:
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an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire; a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer, wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer, wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate, wherein at least one of the power supply wire and the ground wire is arranged in a non-circular shape; and wherein the element forming layer and the antenna are provided so as to overlap each other at least partially. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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2. A semiconductor device comprising:
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an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire; a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer, wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer, wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate, wherein at least one of the power supply wire and the ground wire is arranged in a U-shape; and wherein the element forming layer and the antenna are provided so as to overlap each other at least partially.
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3. A semiconductor device comprising:
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an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire; a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer, wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer, wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate, wherein at least one of the power supply wire and the ground wire is arranged in a comb shape; and wherein the element forming layer and the antenna are provided so as to overlap each other at least partially.
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4. A semiconductor device comprising:
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an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire; a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer, wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer, wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate, wherein at least one of the power supply wire and the ground wire is arranged in a cross shape; and wherein the element forming layer and the antenna are provided so as to overlap each other at least partially.
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5. A semiconductor device comprising:
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an element forming layer provided over a substrate, the element forming layer comprising an insulating layer, a first conductive layer, a second conductive layer, a power supply wire, and a ground wire; a memory element electrically connected to the element forming layer, the memory element being in contact with the first conductive layer; and an antenna electrically connected to the element forming layer, the antenna being in contact with the second conductive layer, wherein the first conductive layer and the second conductive layer are provided over and in contact with the insulating layer, wherein the substrate is selected from a glass substrate, a quartz substrate, a ceramic substrate, and a metal substrate, wherein at least one of the power supply wire and the ground wire is arranged in a zigzag shape; and wherein the element forming layer and the antenna are provided so as to overlap each other at least partially.
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Specification