19 June 2015
It is well known that the Condor Sigma is the most accurate bondtester on the market, featuring unparalleled 0.075% accuracy. Fewer people know that it is also the fastest bondtester in the world. In a controlled study with experienced users, the throughput of both the Condor Sigma and the most well known competiting system were compared. The Condor Sigma proved to be up to 39% faster.
The throughput or units per hour (UPH) is affected by the many different test requirements and sample types. This comparison was made for fine wire first bond shear and fine wire pull. These being tests that typically require a high UPH. The shear tests were done on a sample with 35μm gold ball bond at 50μm pitch. The pull tests were done on 25μm aluminium wire at 150μm pitch.
The study shows that in the shear tests the Sigma is 4,1% faster than the competitor. In the pull tests with auto hook the Sigma is 23,7% faster and without auto hook the difference is even bigger at 39,3%.
It should be noted that these test were a basic comparison for the time to test a single row of bonds. This makes the comparison possible with identical setups on the two machines. In practice the sample would have to be moved long distances between the die, and/or turned to test other rows on the die or lead frame. If these times were taken into account, the Sigma would clearly increase its lead over the competition because of its following advantages:
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