Fishing – trapping – and vermin destroying
Patent
1990-05-16
1992-06-30
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437 52, 437 59, 437170, 437193, 437922, 148DIG55, H01L 21326, H01L 2170
Patent
active
051262827
ABSTRACT:
An already- programmed anti-fuse is DC soaked by passing DC current through the anti-fuse from a DC voltage source applied across the electrodes of the anti-fuse. The anti-fuse resistance is lower when the DC voltage being applied such that the positive end of the voltage source is applied to the electrode having the higher arsenic concentration.
An already programmed anti-fuse is AC soaked, by passing alternating current pulses through the anti-fuse from an AC voltage source applied across the anti-fuse electrodes. This AC soak may even be applied following the controlled polarity DC soak disclosed herein. The AC soaked anti-fuse resistance is even lower than DC soaked anti-fuse under the same soak current level.
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Chiang Steve S.
Elashmawi Esam
Speers Theodore M.
Winemberg LeRoy
Actel Corporation
D'Alessandro Kenneth
Fleck Linda J.
Hearn Brian E.
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