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Manufacturer of precision ultrasonic spraying systems for a myriad of applications. Our patented technologies produce micron size uniform droplets, creating ultra thin layers onto any size or shape substrate.

Manufacturer of Assembly Equipment

Sono-Tek Corporation is the world leader in ultrasonic spray systems for applying precise, thin film coatings. We are a green technology company, creating patented high performance ultrasonic spray coating technology used in manufacturing precision electronics, fuel cells, solar cells, medical devices, float and panel glass, nanotechnology coatings and other industrial applications. Since 1975, we have been supplying superior coating solutions to companies globally.

Our environmentally friendly ultrasonic spray systems provide high performance functional coatings, with dramatic reductions in overspray, savings in raw material, water and energy usage, improved process repeatability and transfer efficiency, high uniformity and reduced emissions.

8 products »
FlexiCoat Inline

XYZ Programmable Standalone Ultrasonic Spray Coating System. The FlexiCoat System is an inline programmable 3-axis small footprint automated coating system that is suitable for almost any spray coating application. Fully automated cont...

Coating Equipment

FlexiCoat Inline
SelectaFlux Retrofit Spray Fluxing System

A complete, ready-to-integrate selective fluxing system. SelectaFlux easily retrofits into all major selective wave soldering machines and features minimal waste and overspray with a significant reduction in flux consumption. ...


SelectaFlux Retrofit Spray Fluxing System
SelectaFlux OEM Spray Fluxing System

Designed for OEM applications requiring maximum flexibility in integration. The system is also ideal for tinning and odd-shaped components. SelectaFlux OEM Spray System benefits: Compatible with ALL...


SelectaFlux OEM Spray Fluxing System
Ultrasonic Spray Nozzles

Ultrasonic spray nozzle systems are replacing pressure nozzles in a wide range of industrial and R&D applications. Concerns over the environment and unacceptable quantities of waste have caused scientists, engineers and designers to adopt u...


Ultrasonic Spray Nozzles
SonoFlux 2000F Ultrasonic Spray Fluxer for Wave Soldering

For high volume dedicated lines, with the ability to run all flux types (including high solids rosin). The 2000F ultrasonic spray fluxing system is ideal for high volume production using high solids rosin flux. It ...


SonoFlux 2000F Ultrasonic Spray Fluxer for Wave Soldering
SonoFlux EZ Ultrasonic Spray Fluxer for Wave Soldering

An economical ultrasonic spray fluxing system on a reciprocating platform. Available in PCB width range of 2-18 inches (50-457 mm) using high impact flux transfer system, recipe storage and user-friendly LCD display control module....


SonoFlux EZ Ultrasonic Spray Fluxer for Wave Soldering
SonoFlux Servo Automated Reciprocating Ultrasonic Spray Fluxer for Wave Solder

A fully automated ultrasonic spray fluxing system designed on a high accuracy reciprocating platform. SonoFlux Servo is a reciprocating ultrasonic spray fluxing system with automated user friendly PLC control, selective fluxing cap...


SonoFlux Servo Automated Reciprocating Ultrasonic Spray Fluxer for Wave Solder
SelectaFlux Inline - Ultrasonic Spray System for Selective Fluxing

Sono-Tek’s SelectaFlux Inline ultrasonic selective spray fluxing system is a standalone PCB selective fluxing system incorporating our precision SelectaFlux ultrasonic nozzle<...


SelectaFlux Inline - Ultrasonic Spray System for Selective Fluxing
1 technical article »
Coating Drug-eluting Arterial Stents Using Ultrasonic Spray Nozzles

Feb 04, 2009 | Harvey L. Berger

One proven method used to treat clogged arteries employs tubular, mesh-like metal structures, known as stents, inserted into an affected artery to relieve the blockage. Bare metal stents often cause a condition called restinosis, the buildup of scar tissue around the stent, causing re-blockage. To counter this, polymer coatings containing drugs that are released over time are used to inhibit restinosis. Applying coatings to stents, which have intricate geometries, is challenging. Using ultrasonic atomizing spray nozzles has proven effective in achieving continuous and uniform coatings. This paper describes the unique nozzle designs employed, the methodology used, and the results obtained....

65 news releases »
Sono-Tek Corporation Promotes Brian Booth to Senior Territory Manager

Jan 16, 2017 | Sono-Tek Corporation today announced that Brian Booth has been promoted from Regional Sales Manager to Senior Territory Manager in addition to his position as Fluxer Product Manager.

Brian Booth Senior Territory Manager & Fluxer Product Manager.
Sono-Tek Expands Sales Engineering Team

Nov 01, 2016 | Sono-Tek Corporation (OTC BB: SOTK) today announced the hire of Alex Papa to the position of Jr. Sales Engineer in its Electronics & Advanced Energy division. Papa holds a BS in Mechanical Engineering from Binghamton University in NY. His technical background is an important asset to Sono-Tek’s sales team, and, combined with his excellent communication skills, brings instant value to Sono-Tek’s ability to provide superior support for both customers and reps in the field.

Alex Papa Jr. Sales Engineer in its Electronics & Advanced Energy division.
Sono-Tek Corporation to Introduce Game-Changing Photoresist Ultrasonic Coating System at SEMICON West

Jul 02, 2016 | Sono-Tek Corporation (OTC BB: SOTK) today announced plans to unveil a new photoresist ultrasonic coating system in Booth #2146 at SEMICON West, scheduled to take place July 12-14th at the Moscone Center in San Francisco, CA. The new photoresist coating system, SPT200, has been designed specifically to meet the unique challenges of coating high aspect ratios and deep well topographies such as MEMS wafers with photoresist.

Photoresist Ultrasonic Coating System,SPT200.
Sono-Tek Corporation Announces the Appointment of a New Director for the Electronics & Advanced Energy “E&AE” Division

Mar 23, 2016 | Sono-Tek is pleased to announce that Bennett Bruntil, Regional Sales Manager and Marketing Brand Manager for Sono-Tek since 2007, was promoted to strategic business unit director of the Electronics & Advanced Energy (E&AE) Division, effective March 2016. In his new role, Bruntil will oversee the sales, marketing and new product development efforts worldwide in applications for the E&AE strategic business unit.

Bennett Bruntil was promoted to strategic business unit director of the Electronics & Advanced Energy (E&AE) Division, effective March 2016.
New Patents Awarded to Sono-Tek Corporation

Feb 23, 2016 | Sono-Tek Corporation is pleased to announce that it has been awarded three new patents for its ultrasonic spray technology. The patents relate to Sono-Tek’s flagship ECHO Multiband Ultrasonic Generator, a continuation in part for its unique SonicSyringe, and an ultrasonic spray process for applying coatings directly onto food products (currently an issue notification with an issue date of March 1, 2016).

Sono-Tek Corporation to Debut Integrated Ultrasonic Nozzle Generator for All Fluxers in Its SonoFlux Line at APEX

Feb 16, 2016 | Sono-Tek Corporation will showcase a new integrated ultrasonic nozzle generator for all fluxers in its SonoFlux line in Booth #1141 at the 2016 IPC APEX EXPO, scheduled to take place March 15-17, 2016 at the Las Vegas Convention Center.

Robust new cabling will be featured on new SonoFlux systems in 2016 (nozzle shown with rear protective cover removed to show cabling).
Sono-Tek Corporation Sells 4,000 Fluxers in 40 Years

Dec 13, 2015 | Sono-Tek Corporation is proud to announce the sale of its 4,000th fluxer to Jabil Circuit Inc. This milestone was achieved in Sono-Tek’s 40th year in business.

Some of the members of Sono-Tek’s production and service team that were involved in Sono-Tek’s 4000th ultrasonic spray fluxer milestone.
Sono-Tek Corporation to Show the New QR Impact Jet on Its Spray Fluxer at productronica

Oct 21, 2015 | Sono-Tek Corporation (OTC BB: SOTK) will highlight the QR Impact Jet on the SonoFlux ultrasonic spray fluxer in Hall A4, Booth 141 at the productronica International Trade Fair, scheduled to take place Nov. 10-13, 2015 at the Messe München exhibition center in Munich, Germany. The Impact atomizing assembly is used in both the SonoFlux Servo and SonoFlux EZ system and incorporates an air deflector that drives the flux droplets to the PCB for maximum top side fill and unsurpassed through-hole penetration.

QR Impact Jet on Its Spray Fluxer.
Sono-Tek Expands Its Application Engineering Team

Aug 11, 2015 | Sono-Tek Corporation announce the addition of Michael Delia to its Application Engineering Team. His expertise in electronics, semiconductors and advanced energy applications is a valuable enhancement to Sono-Tek’s capabilities.

Michael Delia to its Application Engineering Team.
Sono-Tek Corporation Introduces Plottec as Spray Fluxing Distributor in Brazil

Mar 21, 2015 | Sono-Tek Corporation (OTC QB: SOTK) is pleased to announce that it introduced Plottec as the company's new distributor for spray fluxing systems in Brazil during the 2015 IPC APEX EXPO. Owner Roberto da Cruz and his team of service engineers have many years of experience with Sono-Tek equipment. Serving the electronics manufacturing industry for more than 20 years, the Plottec group has local support throughout the country for Sono-Tek and its line of electronic equipment for PCB manufacturing.

From left to right: Steve Harshbarger - Sono-Tek President, Roberto da Cruz - Owner, Plottec, and Brian Booth - Sono-Tek RSM.

55 more news from SONO-TEK CORPORATION »

Contact information


2012 Route 9W
Milton, New York, 12547

  • Phone 845-795-2020
  • Fax 845-795-2720


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Lead Free Wave Solder - 1 Click SMT