tag: contact resistance

Digging Much Deeper With Unit Retest
By Anne Meixner - 08 Jun, 2021 - Comments: 0

Keeping test costs flat in the face of product complexity continues to challenge both product and test engineers. Increased data collection at package-level test and the ability to respond to it in a never-before level of detail has prompted device makers and assembly and test houses to tighten up their retest processes. Test metrology, socket contamination, and mechanical alignment have alw... » read more

Managing Wafer Retest
By Anne Meixner - 19 May, 2021 - Comments: 1

Every wafer test touch-down requires a balance between a good electrical contact and preventing damage to the wafer and probe card. Done wrong, it can ruin a wafer and the customized probe card and result in poor yield, as well as failures in the field. Achieving this balance requires good wafer probing process procedures as well as monitoring of the resulting process parameters, much of it ... » read more

Inside Next-Gen Transistors
By Mark LaPedus - 20 Apr, 2017 - Comments: 0

David Fried, chief technology officer at [getentity id="22210" e_name="Coventor"], sat down with Semiconductor Engineering to discuss the IC industry, China, scaling, transistors and process technology. What follows are excerpts of that conversation. SE: In a recent roundtable discussion you talked about some of the big challenges facing the IC industry. One of your big concerns involves th... » read more

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