On die RFID tag antenna
First Claim
Patent Images
1. An RFID tag comprising:
- a) an active device area comprising transistors;
b) an on-die antenna having wiring that resides outside said active device area; and
, c) a conductive path that runs from said on-die antenna to said active device area.
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Abstract
Wirelessly testing an RFID tag before it is packaged or otherwise entered into a process reserved for “working” RFID tags is described. Various processes that employ such wireless testing as well as various “on-die” RFID tag antennae designs for facilitating the wireless testing are also described.
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Citations
40 Claims
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1. An RFID tag comprising:
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a) an active device area comprising transistors;
b) an on-die antenna having wiring that resides outside said active device area; and
,c) a conductive path that runs from said on-die antenna to said active device area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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- 23. An RFID tag comprising an on-die antenna, said on-die antenna comprising wiring that resides outside said RFID tag'"'"'s active device area, an open path existing along a semiconductor substrate surface of said RFID tag from a die edge of said RFID tag to said active device area, said open path not crossing through a die seal ring structure in order to reach said active device area.
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29. A semiconductor chip, comprising:
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a) an active device area;
b) a die seal ring surrounding said active device area;
c) an antenna outside said die seal ring, said antenna electrically isolated from said die seal ring; and
,d) a conductive path coupled to said antenna and wiring within said active device area, said conductive path electrically isolated from said die seal ring. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification