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11 Reliability
11.26 EM Vstress2[6]: Electromigration test, voltage stressed, 6 SMUs (A.03.10)
[Supported Analyzer]
B1500A
[Description]
Performs the Electromigration (EM) test for a wiring device with extrusion lines, and plots the stress time vs
resistance characteristics. This test is performed by the sampling measurement mode as shown below.
1. applies stress voltage
2. performs measurement and saves measurement data
3. calculates the device failure time
[Device Under Test]
Wiring device with extrusion lines, 6 terminals
[Device Parameters]
D: Wiring pattern length
W: Wiring pattern width
Temp: Temperature (deg C)
[Test Parameters]
Port1: SMU connected to Port1, constant voltage output
Port2: SMU connected to Port2, constant voltage output
Port3: SMU connected to Extrusion Line, constant voltage output
Port4: SMU connected to Extrusion Line, constant voltage output
VM1: SMU for Port1 voltage monitoring, constant voltage output
VM2: SMU for Port2 voltage monitoring, constant voltage output
TotalStressTime: Total stress time.
FailureCondition: Measurement stop condition 1 (%changes of wire resistance)
ExtCondition: Measurement stop condition 2 (current to extrusion line)
V1Stress: Port1 stress voltage
I1Limit: Port1 current compliance
I3Limit: Port3 current compliance
I4Limit: Port4 current compliance
IntegTime: Integration time
PointPerDecade: Number of samples in 1 decade
Interval: Sampling interval
[Extended Test Parameters]
V2: Port2 voltage
V3: Port3 voltage
V4: Port4 voltage
IM1: VM1 output current
IM2: VM2 output current
HoldTime: Hold time
Port1MinRng: Minimum range for Port1 current measurement
Port3MinRng: Minimum range for Port3 current measurement
Port4MinRng: Minimum range for Port4 current measurement
R_Max: Y axis maximum value for resistance
StoringRuntimeData: Data save during stress output, Yes or No
Agilent EasyEXPERT Application Library Reference, Edition 8
11-60