Sono-Tek Announces Technical Collaboration with Diamond Quanta to Support Precision Coating Integration for Engineered Diamond Applications

Rhea-AI Summary

Sono-Tek (Nasdaq: SOTK) announced a technical collaboration with Diamond Quanta to integrate Sono-Tek’s precision ultrasonic coating systems into Diamond Quanta’s engineered diamond manufacturing workflows. The effort targets repeatable thin-film deposition, improved film uniformity, and progression toward OEM qualification and scalable manufacturing.

The collaboration emphasizes standardized process architecture to align engineered diamond-on-glass materials with semiconductor and electronics toolchains, supporting multilayer integration and manufacturability as Diamond Quanta advances toward qualification.

News Market Reaction – SOTK

-5.22%

1 alert

-5.22% News Effect

On the day this news was published, SOTK declined 5.22%, reflecting a notable negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Reality Check

Price: $4.05 Vol: Volume 35,167 vs 20-day a...

normal vol

$4.05 Last Close

Volume Volume 35,167 vs 20-day average 31,603 (relative volume 1.11x). normal

Technical Price $4.41 is trading above 200-day MA $3.94, indicating an established uptrend pre-news.

Peers on Argus

SOTK rose 5.25% while peers showed mixed moves: ODYS +5.16%, MIND +6.97%, ACFN f...

SOTK rose 5.25% while peers showed mixed moves: ODYS +5.16%, MIND +6.97%, ACFN flat, GNSS flat, WRAP -1.24%. No broad, confirmed sector momentum from scanners.

Historical Context

5 past events · Latest: Mar 11 (Positive)

Pattern 5 events

Date	Event	Sentiment	Move	Catalyst
Mar 11	Medical order win	Positive	+3.6%	Announced $820K ultrasonic coating order for diagnostic medical devices.
Jan 13	Earnings update	Positive	-0.5%	Reported Q3 FY26 results with higher margins, net income growth, and record backlog.
Oct 14	Earnings update	Positive	-3.6%	Reported record first-half FY26 revenue and strong net income and margin expansion.
Oct 13	Large order win	Positive	-3.5%	Won >$2.8M order for advanced medical device coating systems from major customer.
Oct 07	Conference call	Neutral	-1.0%	Announced schedule and access details for upcoming earnings conference call.

Pattern Detected

Recent history shows multiple positive operational updates where the stock traded down, indicating a tendency for good news to face selling pressure.

Recent Company History

Over the last several months, SOTK has reported multiple medical-device coating orders and steady earnings, with quarterly sales above $5M and record backlogs above $11M. Large orders of $5M and $2.8M supported record first-half fiscal 2026 revenue and higher-margin mix. An $820K medical device order in March 2026 continued this momentum. Today’s collaboration news fits a pattern of operational progress alongside generally modest and sometimes contrarian share reactions.

Market Pulse Summary

The stock moved -5.2% in the session following this news. A negative reaction despite collaboration ...

Analysis

The stock moved -5.2% in the session following this news. A negative reaction despite collaboration news would fit a pattern where SOTK occasionally traded down on fundamentally positive updates, such as prior earnings beats and large medical orders that saw declines of up to several percent. The stock had been trading above its 200-day MA of $3.94, so any sharp pullback could reflect profit-taking rather than a clear shift in fundamentals. Future order flow, margin trends, and additional partnership details would remain key reference points.

Key Terms

ultrasonic coating, thin-film deposition, semiconductor, oem qualification

4 terms

ultrasonic coating technical

"Sono-Tek’s precision ultrasonic coating technology is expected to be integrated"

Ultrasonic coating is a manufacturing technique that uses high‑frequency vibrations to turn liquids into a very fine mist or to assist precise deposition, creating ultra-thin, uniform layers on parts or devices. It matters to investors because it can raise product quality and consistency, lower material waste and production costs, and improve manufacturing scale and regulatory compliance—similar to using a fine spray nozzle to evenly paint delicate components rather than brushing them by hand.

thin-film deposition technical

"to support repeatable thin-film deposition and multilayer integration"

Thin-film deposition is the process of applying extremely thin layers of material—often just atoms or molecules thick—onto a surface to give it new electrical, optical, or protective properties. Think of it like spreading a very fine coat of paint or frosting that changes how a product behaves; for investors it matters because the quality, cost and scalability of these coatings directly affect product performance, manufacturing yield, unit cost and competitive advantage in tech-driven industries.

semiconductor technical

"materials for optics, thermal, semiconductor, and quantum systems"

Semiconductors are materials and the tiny electronic components made from them that control the flow of electricity inside devices—think of them as the brains and traffic controllers of modern gadgets, cars, and industrial machines. They matter to investors because their production, supply and demand drive revenue, margins and capital spending across whole industries, so shortages or breakthroughs can quickly change company profits and stock prices.

oem qualification technical

"toward OEM qualification and scalable manufacturing environments"

OEM qualification is the formal approval process by which an original equipment manufacturer tests and accepts a supplier’s part, component or system for use in its products. It checks that the item meets technical specs, safety and regulatory standards and can be reliably manufactured at scale. For investors, an OEM qualification signals validated demand, lower sales risk and potential long-term contracts—similar to a supplier earning a trusted stamp that opens a steady sales channel.

AI-generated analysis. Not financial advice.

MILTON, N.Y., March 17, 2026 (GLOBE NEWSWIRE) -- Sono-Tek Corporation (Nasdaq: SOTK), a global provider of precision ultrasonic coating systems, today announced a technical collaboration with Diamond Quanta (DQ), a developer of engineered diamond-on-glass and engineered-diamond materials for optics, thermal, semiconductor, and quantum systems.

Under the collaboration, Sono-Tek’s precision ultrasonic coating technology is expected to be integrated into Diamond Quanta’s manufacturing workflow to support repeatable thin-film deposition and multilayer integration across engineered diamond applications.

The collaboration is focused on strengthening process repeatability, film uniformity, and manufacturability as Diamond Quanta advances its materials platform toward OEM qualification and scalable manufacturing environments.

Supporting Standardized Process Architecture

Diamond Quanta has described its approach as a standardized process architecture designed to integrate engineered diamond interfaces into repeatable, qualification-ready manufacturing workflows compatible with existing semiconductor and electronics toolchains.

Through this collaboration, Sono-Tek systems are expected to support:

• Repeatable thin-film deposition within multilayer diamond stacks
• Improved coating uniformity and process consistency
• Structured progression toward OEM qualification environments
• Alignment with established semiconductor and electronics manufacturing ecosystems

“Sono-Tek’s precision ultrasonic coating systems are designed to enable consistent, high-uniformity thin-film integration across advanced device architectures,” said Steve Harshbarger, Chief Executive Officer of Sono-Tek. “We are pleased to collaborate with Diamond Quanta as they advance their engineered diamond technologies toward scalable manufacturing.”

“Establishing a repeatable manufacturing architecture requires not only breakthrough materials but standardized process modules that OEMs can adopt with confidence,” said Adam Khan, Founder and CEO of Diamond Quanta. “Our collaboration with Sono-Tek strengthens the integration layer of our engineered diamond-on-glass platform and supports disciplined progression toward scalable qualification.”

About Sono-Tek

Sono-Tek Corporation (Nasdaq: SOTK) designs and manufactures precision ultrasonic coating systems used to apply thin films across a wide range of advanced manufacturing applications. The Company’s systems serve customers in microelectronics, alternative energy, medical devices, advanced industrial manufacturing, and research and development markets worldwide.

Sono-Tek’s technology enables uniform, repeatable thin-film deposition and supports the transition from development to scalable production environments. The Company distributes its products globally through a combination of direct sales personnel, independent distributors, and sales representatives.

For more information about Diamond Quanta, please visit www.diamondquanta.com.

Safe Harbor Statement

This news release contains forward looking statements regarding future events and the future performance of Sono-Tek Corporation that involve risks and uncertainties that could cause actual results to differ materially. These “forward-looking statements’ are based on currently available competitive, financial and economic data and our operating plans. They are inherently uncertain, and investors must recognize that events could turn out to be significantly different from our expectations and could cause actual results to differ materially. These factors include, among other considerations, general economic and business conditions, including political, regulatory, tax, competitive and technological developments affecting our operations or the demand for our products; inflationary and supply chain pressures; continued strength of sales to the medical device market; continued private and public funding for the clean energy sector; continued strong demand for Sono-Tek’s suite of thin film coating solutions and application consulting services in the clean energy and other markets; maintenance of order backlog; evolving tariff policies; timely development and market acceptance of new products and continued customer validation of our coating technologies; adequacy of financing; capacity additions, the ability to enforce patents; maintenance of operating leverage; consummation of order proposals; completion of large orders on schedule and on budget; successful transition from primarily selling ultrasonic nozzles and components to a more complex business providing complete machine solutions and higher value subsystems; and realization of quarterly and annual revenues within the forecasted range of sales guidance. We undertake no obligation to update any forward-looking statement.

For more information

Sono-Tek Corp.
Stephen J. Bagley
Chief Financial Officer
Ph: (845) 795-2020
info@sono-tek.com

Investor Relations
Kirin Smith
PCG Advisory, Inc.
ksmith@pcgadvisory.com

FAQ

What does the Sono-Tek and Diamond Quanta collaboration mean for SOTK shareholders?

It signals increased commercial focus on precision coating integration for engineered diamond applications, potentially expanding addressable markets. According to the company, Sono-Tek systems will support repeatable thin-film deposition, film uniformity, and manufacturability as Diamond Quanta advances toward OEM qualification.

How will Sono-Tek’s ultrasonic coating systems be used in Diamond Quanta’s manufacturing (SOTK)?

They will be integrated to enable repeatable thin-film deposition and multilayer integration across engineered diamond stacks. According to the company, the systems aim to improve coating uniformity and align processes with semiconductor and electronics toolchains for qualification.

Does the announcement state a timeline for OEM qualification or scaled production for Diamond Quanta (SOTK)?

No explicit timeline for OEM qualification or scaled production is provided in the announcement. According to the company, the collaboration focuses on structured progression toward OEM qualification and scalable manufacturing but gives no specific dates.

What technical goals did Sono-Tek and Diamond Quanta highlight in the March 17, 2026 collaboration?

Key goals include process repeatability, improved film uniformity, and manufacturability for engineered diamond-on-glass materials. According to the company, the collaboration supports standardized process architecture compatible with existing semiconductor toolchains.

Will Sono-Tek’s collaboration with Diamond Quanta change existing manufacturing toolchain compatibility (SOTK)?

The collaboration aims to align engineered diamond processes with current semiconductor and electronics toolchains, enhancing compatibility. According to the company, Sono-Tek systems are expected to support qualification-ready workflows compatible with established manufacturing ecosystems.