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Advanced Imaging Magazine

Updated: July 8th, 2008 05:26 PM CDT

New Failure Analysis Tool From JEOL

High Spatial Resolution for Precise Defect Location through Multiple Layers
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The high spatial resolution and flexibility of the JEOL Beam Tracer allows this new failure analysis tool to precisely locate and mark defect sites in multi-layer semiconductor devices. The Beam Tracer images marginal and failed interconnects and junctions through several complex layers. It allows measurement of individual transistors, performs electrical characterization, and includes a patented Voltage Distribution Contrast method for devices produced under the 65nm design rule.

A precision probing system based on SEM technology, the Beam Tracer incorporates four mechanical probes that can be moved in increments of less than 1nm.

The probes detect electron beam absorption current to evaluate electrical characteristics in ICs and identify abnormal resistance in interconnects and contacts.

Using the patented voltage distribution contrast (VDIC) method, the Beam Tracer detects a wide range of multiple marginal failures without repositioning the probes. This flexible tool can detect resistive areas from 100 ohms to infinity.

An e-beam assisted marking tool makes it easy to rapidly locate defects for further analysis using a FIB for TEM analysis.

JEOL Peabody, Mass. www.jeolusa.com



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