Visa Information


Visa Information

Visa Requirements
Citizens of certain countries may be able to travel under the United States Visa Waiver Program without a visa, however you must be authorized through the Electronic System for Travel Authorization.

If you live in a country that is not part of the United States Visa Waiver Program, you will require a B-1 Temporary Business Visa in order to enter the United States and attend the 2018 International Workshop on Acoustic Transduction Materials and Devices - IWATMD.


Visa Invitation Letter

If you require an invitation letter for your visa application, please email your requrest to Sandie Elder, Conference Coordinator at, and include the following information:

  • Name, Presentation Title, and Institutional Affiliation

Once your conference registration has been confirmed and payment has been made in full, the invitation letter will be emailed to you in PDF format. Note: Payment of the registration fees is required in order to obtain a visa letter.