Electronic device and method of manufacture the same
First Claim
Patent Images
1. A method of manufacturing an electronic device, comprising the steps of:
- providing an IC chip having a memory to store predetermined information and first and second external electrodes provided on front and back sides thereof, respectively;
providing first and second antennae, each having a dumet at one end thereof;
providing a glass tube;
inserting a portion of the dumet of the first antenna into the glass tube;
placing the IC chip on the dumet of the first antenna arranged in the glass tube such that the first external electrode is disposed on a side of the first antenna dumet;
placing a portion of the dumet of the second antenna on the IC chip arranged in the glass tube such that the dumet of the second antenna is disposed on a side of the second external electrode; and
melting the glass tube to fix the IC chip and the dumets of the first and second antennae.
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Abstract
An electronic device, in which a flat plate semiconductor and dumets connected to surface electrodes on the front and back surfaces of the semiconductor and to lead wires are encapsulated in a glass tube.
14 Citations
33 Claims
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1. A method of manufacturing an electronic device, comprising the steps of:
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providing an IC chip having a memory to store predetermined information and first and second external electrodes provided on front and back sides thereof, respectively;
providing first and second antennae, each having a dumet at one end thereof;
providing a glass tube;
inserting a portion of the dumet of the first antenna into the glass tube;
placing the IC chip on the dumet of the first antenna arranged in the glass tube such that the first external electrode is disposed on a side of the first antenna dumet;
placing a portion of the dumet of the second antenna on the IC chip arranged in the glass tube such that the dumet of the second antenna is disposed on a side of the second external electrode; and
melting the glass tube to fix the IC chip and the dumets of the first and second antennae. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 13, 14, 31, 32, 33)
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9. A method of manufacturing an electronic device comprising the steps of:
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interposing an IC chip, which has a memory to store predetermined information and first and second external electrodes provided on front and back sides thereof, between first and second antennae in a glass tube; and
melting the glass tube to encapsulate the IC chip and connections of the IC chip and the first and second antennae. - View Dependent Claims (11, 12, 15)
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10. A method of operating an electronic device, the method comprising the steps of:
when a radio wave is to be transmitted from a reader to a transponder, beginning in a state, in which no radio wave is transmitted, transmitting a radio wave, then temporarily stopping transmission of the radio wave, and since a state at that time, sending data in the transponder to the reader from the transponder.
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16-30. -30. (canceled)
Specification