[SI-LIST] milliohm measurement probe and cable
- From: "ben chia" <bchia@xxxxxxxxxxx>
- To: "'Si-List'" <si-list@xxxxxxxxxxxxx>
- Date: Thu, 9 Oct 2014 10:11:47 -0700
Hi All,
I try to measure the package VCC or VSS resistance to match the simulation
report from vendor. Vendor said that the resistance should be less than 2
milliohm from bump to ball. The setup in my lab is Agilent multi-meter ( up
to 1 milliohm resolution, 4 wire ). I use GGB 40A 150um center pin to touch
the bump. A 26G coax cable to connect the probe to multi-meter. The measured
result is stable up to 1-2 milliohm, but resistance value is more than tens
of milliohm. Can anyone recommend a different setup?
Thanks,
Ben Chia
High Speed Design Center
www.HighSpeedDC.com
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