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Magnetic Current Imaging System (Circuit Scan® 1000)

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Micro Magnetics' Circuit Scan 1000 is a scanning magnetic microscope capable of capturing external magnetic fields generated by an operating circuit, and then analyzing these fields to provide a map of the current density distribution, with a spatial resolution on the order of tens of nanometers. 

The CS1000 maps currents at extremely small scales through any dielectric or nonferrous overlayers, and has superior linear response over the full signal range seen in integrated circuits. Our proprietary magnetic sensors have a wide frequency response (0-5 GHz), and are thermally stable, requiring no special environmental controls. Additionally, they have outstanding spatial resolution, resolving features to date as small as 60 nanometers, a feature size well below the current state-of-the-art in the semiconductor industry.

The system is designed to be straight-forward and easy to use. Some of the features which come standard on the CS1000 are full optical and/or NIR navigation and ROI selection, automatic field and current density map overlay, sample surface detection and mapping, automatic sample tilt and contour correction, five distinct contact and non-contact scanning modes, a small-footprint vertical sensing probe, intuitive image stitching, a “Repeat Scan” function to automatically vary parameters, and a full set of calibration functions.

The system also includes our powerful VIsta stand-alone analysis package, which features flexible data display and interpretation, a quantitative analysis package for extraction of all relevant current parameters (including current amplitude and conductor width and depth), two powerful current density conversion algorithms, compact data file formats, exporting of data and images to common file formats, an image comparison and subtraction suite, and automatic overlay of magnetic and current density maps.

Product Brochure

CS 1000 Frequently Asked Questions

Case Study 1: Power-to-ground short circuit

Case Study 2: Quantitative analysis of current flow

Case Study 3: Sub-micron die-level current mapping

Failure Analysis and Magnetic Imaging Services:

Micro Magnetics offers failure analysis services on a contractual basis. We maintain two current density metrology systems at our headquarters in Fall River and can produce maps of current flow in a wide variety of ICs and packages, usually with initial results delivered within 48 hours. Our engineers will work closely with you to understand and interpret the results in order to determine the root cause of the failure. In most cases we can send initial results to you in an electronic report within 48 hours of receiving your sample.

We also offer contract magnetic imaging services for non-semiconductor applications. Our employees include several experts in the fields of magnetic imaging and magnetic materials who can interpret and analyze the results in a timely manner.

Please contact to discuss your magnetic sensing and imaging needs further with us.