Semiconductor device
First Claim
1. A semiconductor device comprising:
- a first conductor over a substrate, the first conductor being capable of being electrically connected to a first device wirelessly;
a first power supply circuit electrically connected to the first conductor;
a second conductor over the substrate, the second conductor being capable of being electrically connected to a second device wirelessly while the first conductor is electrically connected to the first device wirelessly; and
a second power supply circuit electrically connected to the second conductor;
wherein the second conductor is lateral to the first conductor, and so thatwherein the second conductor does not overlap with the first conductor.
0 Assignments
0 Petitions
Accused Products
Abstract
In an RF tag, a mask ROM or a flash memory is used for storing data such as an ID number. Although the mask ROM can be realized at a low price, rewriting is not possible. In addition, in the flash memory, although electric rewriting is possible, production cost increases. Accordingly, it is difficult to provide an RF tag by which data rewriting is possible at a low price. An RF tag is provided with a power supply circuit having a function to generate a power supply voltage from a weak radio signal and a memory which can hold data stored in a data holding portion by the power supply voltage. With the above structure, a high-performance RF tag capable of rewriting data such as an ID number after production can be provided at a low price.
17 Citations
17 Claims
-
1. A semiconductor device comprising:
-
a first conductor over a substrate, the first conductor being capable of being electrically connected to a first device wirelessly; a first power supply circuit electrically connected to the first conductor; a second conductor over the substrate, the second conductor being capable of being electrically connected to a second device wirelessly while the first conductor is electrically connected to the first device wirelessly; and a second power supply circuit electrically connected to the second conductor; wherein the second conductor is lateral to the first conductor, and so that wherein the second conductor does not overlap with the first conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A semiconductor device comprising:
-
a first conductor configured to receive a first power wirelessly; a first power supply circuit configured to generate a first voltage from the first power received by the first conductor; a first circuit configured to operate using the first voltage; a second conductor configured to receive a second power wirelessly while the first conductor receives the first power wirelessly; a second power supply circuit configured to generate a second voltage from the second power received by the second conductor; and a second circuit configured to operate using the second voltage, wherein the first voltage is higher than the second voltage, wherein the second conductor is lateral to the first conductor, and wherein the second conductor does not overlap with the first conductor. - View Dependent Claims (12, 13, 14, 15, 16, 17)
-
Specification