Edge crack detection system
First Claim
Patent Images
1. A method of detecting edge cracks in a die under test, comprising:
- encircling a die under test with an antenna of a radio frequency identification (RFID) tag, the antenna being disposed outside of a seal ring of the die under test;
receiving a first command signal at the RFID tag;
based on the first command signal, transmitting a response signal using the RFID tag;
receiving a second command signal at the RFID tag after the transmitting of the response signal; and
self-destructing the RFID tag based on the second command signal.
0 Assignments
0 Petitions
Accused Products
Abstract
According to an exemplary embodiment, a method of detecting edge cracks in a die under test is provided. The method includes the following operations: receiving a command signal; providing power from the command signal; providing a response signal based on the command signal; and self-destructing based on the command signal.
-
Citations
20 Claims
-
1. A method of detecting edge cracks in a die under test, comprising:
-
encircling a die under test with an antenna of a radio frequency identification (RFID) tag, the antenna being disposed outside of a seal ring of the die under test; receiving a first command signal at the RFID tag; based on the first command signal, transmitting a response signal using the RFID tag; receiving a second command signal at the RFID tag after the transmitting of the response signal; and self-destructing the RFID tag based on the second command signal. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A method of detecting edge cracks in a die under test, comprising:
-
transmitting a first command signal to a radio frequency identification (RFID) tag, the RFID tag including an antenna that encircles a die under test; receiving a response signal from the RFID tag; and transmitting a second command signal to the RFID tag based on the response signal, the second command signal comprising an indication that commands the RFID tag to perform a self-destruction process. - View Dependent Claims (8, 9)
-
-
10. An edge crack detection system comprising:
-
a die under test; and a radio frequency identification (RFID) tag comprising an antenna that completely encircles the die under test, the RFID tag being configured to receive a first command signal via the antenna, based on the first command signal, transmit a response signal, receive a second command signal after the transmitting of the response signal, and self-destruct based on the second command signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
-
-
18. An edge crack detection system comprising:
a radio frequency identification (RFID) reader configured to connect wirelessly to an RFID tag, transmit a first command signal to the RFID tag, the RFID tag including an antenna that encircles a die under test, receive a response signal from the RFID tag, and transmit a second command signal to the RFID tag based on the response signal, the second command signal comprising an indication that commands the RFID tag to perform a self-destruction process. - View Dependent Claims (19, 20)
Specification