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Universal WLCSP Sockets

RTI Universal test sockets are designed for WLCSP and die level packages that share a common pitch. These sockets are available in a variety of footprints based on the size of the DUT.  They use a spring pin based contact set manufactured to the largest anticipated array you require.  Devices of the same pitch but with fewer test pads are aligned to the A1 corner of the pin array using a very low profile device specific plastic alignment plate feature.  These test sockets are designed for use with RTI's Window Lids which distribute the compression force between the DUT and the alignment feature. OEMs can take advantage of a universal WLCSP test socket to test entire families of parts using a single socket rather than a device specific test socket for each new package, ultimately reducing their cost of test.
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