General Information

For general inquiries, you can reach us through the following channels:

  • Email:
  • Phone: +1 (510) 266 - 3700
  • Mailing Address: 3527 Breakwater Ave. Hayward, CA 94545 US

  • Our company is located at 3527 Breakwater Ave, Hayward, CA 94545, USA.
  • Working Hours: Monday to Friday, 8:30 AM to 5:30 PM Pacific Time (PT)  (excluding holidays)

Pricing and Billing

  • You can request a quote for SOI wafers, SSP, or DSP wafers directly through our website.



  • You can send us your request directly to
  • You can call us at +1 (510) 266- 3700 

At Ultrasil, we highly value our customers and recognize the importance of long-term partnerships. For details regarding discounts on bulk purchases or long-term commitments, please reach out to our dedicated sales team at We're here to ensure you receive the best possible pricing and service tailored to your specific needs.

We accept ACH, wire transfer, and credit card payments. Please note a 3% service fee applies to credit card transactions.

To update your payment information, please contact us through any of the following channels, or reach out to our sales representative.

  • Email:
  • Phone: +1 (510) 266 - 3700

Orders and Shipping

For internet orders: Choose from our ready-to-ship inventory; no modifications available. Track your order by creating an account. Upon ordering, you'll receive confirmation. Contact us directly to finalize payment. If we don't receive your payment method, we'll reach out to you.

For custom orders, please reach out to us via email or phone:

  • Email:
  • Phone: +1 (510) 266 - 3700

Once we send out the package, we will notify the designated email addresses you provided.
The tracking number will also be attached to the invoice.

Domestic: UPS, FedEx.
International: DHL, UPS, FedEx.
We offer various shipping options including overnight, 1 day, 2 days, and ground shipping, depending on the location and country.
If we use our account, shipping fees will be charged on the invoice. Alternatively, you can provide your own shipping account.

If your order is delayed or lost, please reach out to our customer support team promptly. We offer the option to add insurance to 100% of your order. We will investigate any delays or losses and provide a resolution. Contact us via email at or by phone at +1 (510) 266 - 3700. Your satisfaction is our priority, and we are here to assist you every step of the way.

You can change your shipping address if the package has not been shipped out to the carrier.

Yes, you can pick up your order at the Ultrasil location:

  • 3527 Breakwater Ave, Hayward, CA 94545.
  • Working Hours: Monday to Friday, 8:30 AM to 5:30 PM Pacific Time (PT)  (excluding holidays)

Returns and Exchanges

Return Policy for Internet Orders (Inventory Wafers):

Notification: For internet orders of inventory wafers, please inform Ultrasil in writing of any claims within thirty (30) days of the invoice date. Prior authorization from Ultrasil is necessary for returning goods for rework or credit. Returned materials must be received within thirty (30) days of RMA issue. Please note that customers are responsible for payment terms regardless.

Eligibility: To qualify for a return, the item must be unopened, unused, and in its original packaging. A receipt or proof of purchase is required to complete the return.

Return Policy for Customized Wafers:

Notification: For customized wafers, Ultrasil accepts returns solely based on workmanship issues within 90 days of the invoice date. Customers must notify Ultrasil in writing of any claims within this timeframe.

Eligibility: To qualify for a return, the issue must be attributable to workmanship. Items must be unused. A receipt or proof of purchase is required for processing the return.

Partial Refunds: No partial refunds are granted for customized wafers unless specifically agreed upon between Ultrasil and the customer.

Your satisfaction is important to us, and we're committed to addressing any workmanship-related concerns promptly. Please contact us at or call us at +1 (510) 266 - 3700 to initiate the return process or for any further assistance.

Upon receiving and inspecting the wafer, if you encounter any issues, please reach out to us immediately.

  • Email:
  • Phone: +1 (510) 266 - 3700

  • Contact our customer support team at or by phone at +1 (510) 266 - 3700. Provide details about the reason for the return, along with your order information.
  • Our team will guide you through the return process and provide you with a Return Merchandise Authorization (RMA) number and is required prior to any return.
  • Pack the item securely in its original packaging, if possible, and include RMA number on label, any accessories, documentation, or proof of purchase.
  • Ship the item to the address provided by our customer support team. We recommend using a trackable shipping method to ensure the safe return of your item.
  • Once we receive the returned item and verify its condition, we will process your refund or exchange according to our return policy.

  • The processing time for returns varies depending on factors such as the shipping method used, the time it takes for the returned item to reach us, and our internal verification process.
  • Typically, once we receive the returned item and verify its condition, we strive to process refunds or exchanges promptly within 3-5 business days. However, please note that it may take additional time for the credit amount to reflect in your account, depending on your bank or payment provider's processing times.
  • If you have any concerns or require further assistance regarding the status of your return, feel free to contact us.


Email:, including RMA on subject line

Phone: +1 (510) 266 - 3700

If the return is due to an issue related to our workmanship, Ultrasil covers the cost of return shipping. However, if the return is for reasons unrelated to our workmanship, such as a change of mind or ordering the wrong item resulting from internet order then the customer is responsible for the return shipping costs. Return item must be on original package and unopen.

Technical Support

To contact customer support, you can reach us through the following channels:

  • Email:
  • Phone: +1 (510) 266 - 3700
  • Contact your sales representative directly for assistance.

Our team aims to respond to all inquiries within 24-48 hours during our regular business hours. For urgent matters, please call our support hotline for immediate assistance.

Additionally, you can contact your sales representative directly for assistance. They will ensure your queries are addressed promptly and efficiently.

  • Detailed Description: Please provide a clear and detailed explanation of the issue or question you're experiencing. Include any relevant background information or context that may help us understand the situation better.
  • Account Information: If applicable, include your account username, email address, or any other relevant account details to help us identify and locate your account quickly.
  • Order Information: If your inquiry is related to a specific order or purchase, please provide the order number, date of purchase, and any other relevant details about the transaction.

Yes, we provide phone support during our business hours, which are from 8:30 AM to 5:30 PM Pacific Time (PT) Monday to Friday. You can reach us at Ultrasil by calling +1 (510) 266 - 3700, or by emailing us at While we currently do not offer live chat support, our phone support ensures that you can speak directly with a member of our team for prompt assistance with any inquiries or issues you may have.

Our support hours are from 8:30 AM to 5:30 PM Pacific Time (PT), Monday through Friday, excluding holidays. During these hours, you can reach our customer support team by phone at +1 (510) 266 - 3700 or by email at We strive to provide timely assistance and resolve any inquiries or issues you may have during our support hours.

Account Management

1. Click 'Register.'

2. Fill out the required information.

3. Check your email for a verification link and click to complete your account registration successfully.

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1. Click “Login”

2. Click “Forgot Password?”

A screenshot of a login page  Description automatically generated

3. Enter your Email.

4. Click “Send Password Reset Link”.

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5. You will receive an email containing a link to reset your password.

  • Change your password: Log in to your account and change your password to a strong, unique one that you haven't used elsewhere.
  • Secure your account: Review your account settings for any suspicious changes, such as email address, phone number. Update them if necessary.
  • Contact support: If you're unable to regain control of your account or suspect a security breach, contact our customer support team immediately for assistance. We will investigate the issue and help you secure your account.

Confidentiality and Export Control Agreement

1. Use of Buyer’s Information: The Seller agrees to use data, designs, drawings, specifications, and other information provided by the Buyer solely for the execution of this order. The Seller will not disclose such information to any third party, except as required to fulfill this order, and under similar confidentiality restrictions. Upon completion or termination of this order, the Seller shall return all provided information to the Buyer, including any copies made.

2. Confidentiality: This order is confidential between the Buyer and the Seller. The Seller agrees not to publish or disclose any details of this order to any third party without the Buyer’s written consent.

3. Export Control Compliance: The Seller acknowledges that the confidential information disclosed under this order may be subject to export control regulations. Compliance with appropriate United States Government regulations (e.g., International Traffic in Arms Regulations (ITAR), Export Administration Regulations (EAR), etc.) is required. The Seller agrees to:

Adhere to all applicable U.S. export control laws and regulations, including ITAR (22 CFR 120 et seq.) and the Export Administration Act (50 U.S.C. 2401 et seq.).

Obtain the necessary export licenses or applicable license exemptions before disclosing confidential information to foreign persons, businesses, or governments.

Not transfer any confidential information, export-controlled items, data, or services to foreign persons without the proper export license or exemption.

Obtain written consent from the Buyer prior to submitting any request for authority to export confidential information.

4. Indemnification: The Buyer shall indemnify and hold the Seller harmless from all claims, demands, damages, costs, fines, penalties, attorneys’ fees, and other expenses arising from the Seller’s failure to comply with this clause or applicable U.S. export control laws and regulations.

This agreement ensures the protection of sensitive information and compliance with legal requirements, thereby safeguarding both parties involved in the transaction.


We welcome your feedback and suggestions! You can provide them by emailing us at Alternatively, you can contact your sales representative directly. We appreciate your input and strive to continually improve our products and services.

We are always working on improving our products and services. For information on upcoming updates or new features, please subscribe to our newsletter or check the announcements section on our website. You can also reach out to our support team at for the latest news and updates.

Yes, we value our customers and offer a loyalty and referral program. For more information on how you can benefit from these programs, please contact us at or call us at +1 (510) 266 - 3700. Our team will provide you with all the details on how to participate and earn rewards.