US Travel Visas

Travel to the United States for a conference requires a type B visa.

NMDC 2018 will provide documentation for registered attendees and authors of accepted papers to support obtaining a travel visa to the USA.

Below is some helpful information. Fill in the form at the bottom of the page to request a Visa letter from NMDC.

General Information on Travel Visas
If you are not a US citizen, you may need a visa for entry into the US.  For additional information regarding visas and/or passports, wait times, please visit the Bureau of Consular Affairs or the US Consulate in your country.

Travel Visa
Do not delay in making VISA arrangements for entry into the United States if needed. Such arrangements are the responsibility of attendees and other participants and may take up to a few months.

How To Obtain a Visa
Complete information on how to apply for a VISA to enter the US can be found on the U.S. Department of State’s Visa Wizard.

Conference Invitation Letter for Authors
Authors will have access to a more customized invitation letter (to include your name and paper information) once your paper has been accepted and you have paid the registration fee.  Use the form at the bottom of this page.

We look forward to your participation in NMDC 2018.

U.S. Point of Contact Information
(for visa application purposes; to request invitation letter use form below)

James Morris, NMDC 2018 Chair
Portland State University
PO Box 751 (ECE)
Portland, OR 97201-0751
Tel: +1-503-725-9588

Helpful Links

Visa FAQ:

Directory of Visa Resources:


Send your request for a US Visa letter by filling out this form.

    Your Name (required)

    Your Email (required)

    Applicant Information

    Name: (required)

    First Name:
    Last Name:

    Salutation/Suffix (e.g. Prof, Dr., PhD): (required)

    Affiliation (Dept, Lab, Co., etc.): (optional)

    Paper ID: (required - from acceptance email)

    Paper title: (required - from acceptance email)

    List all co-authors: (required; enter "none" if none)

    Registration Invoice/Confirmation # (required)

    Additional Message





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