Proudly Serving


The Calibration World

Since 1962.

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“Where precision is standard”

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The Roger K. Sherman Company specializes in the production and certification of precision Line Width Calibration Standards. We have proudly served the semiconductor, magnetic head and biomedical industries for over 50 years.

Our products include a selection of Line Width Calibration Standards containing Lines, Spaces and Circles ranging from 0.5 microns to 1,050 microns. For complete details on these products, please click on Products & Services or select the model of interest from above.  Custom orders are welcome.

Reliability of Line Width Calibration Standards can only be guaranteed if they are inspected and Re-certified at regular intervals. We recommend that this be done annually or at the first sign of damage or contamination. All Standards shipped to us for Re-certification receive our highest priority and will be returned within five working-days.

We take great pride in providing our customers with personal, convenient and expedient service. Our customers always come first! If you have any questions or comments regarding our products or services, please click on Contact Us or feel free to call us at 650-941-8300.

Thank you for visiting our website and allowing us to continue serving your calibration needs.

Roger K. Sherman, President/Owner          Diana Kravel, Co owner, Products & Services Mgr.

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Roger K. Sherman Co.

 325 Los Altos Ave., Los Altos, CA 94022

(650) 941-8300