JH pitches ultrasonic coating systems for thin films and solar manufacturing

Hangzhou Precision Machinery Co., Ltd. is promoting ultrasonic spray and coating systems for photovoltaic, semiconductor and other thin-film manufacturing. The company says the technology can reduce overspray, improve uniformity and support clog-free, high-volume production.

Why it matters: - Thin-film manufacturers need uniform coatings, low waste and stable operation to keep solar, semiconductor and electronics lines productive. - JH says ultrasonic atomization can cut overspray, reduce clogging and improve coating consistency on fragile substrates. - The company also positions the systems as a way to scale from lab testing to inline production.

What happened: - Hangzhou Precision Machinery Co., Ltd. (JH) outlined its precision ultrasonic spray coating systems for thin-film and solar cell manufacturing. - The company framed the systems as an alternative to pneumatic spray nozzles and hydraulic atomizers. - JH promoted use cases in photovoltaic solar cells, semiconductor manufacturing, functional glass, fuel cells and advanced electronics. - The company provided technical details and a product inquiry link through its official portal: More information.

The details: - JH says conventional pneumatic spraying can create turbulent spray plumes, uneven coating thickness, droplet bounce-back and overspray above 50% to 80%. - JH ultrasonic systems use mechanical vibration through titanium alloy nozzles instead of compressed-air atomization. - The company says spray exit velocity stays below 0.5 m/s under ambient pressure. - JH says the low-velocity mist can deliver coating uniformities above 95% and save up to 80% of functional materials. - The systems are designed to generate standing capillary waves that release tightly uniform droplets. - JH says nozzle resonant frequency ranges from 20 kHz to 120 kHz. - A 60 kHz nozzle produces a median droplet size around 20 microns, with a 10–45 micron range. - JH says the resulting droplet control supports dry film thickness from 20 nanometers to 100 microns. - The company says its nozzles use a wide central feed channel and an open atomizing tip made from corrosion-resistant titanium alloy. - Liquid delivery can use gravity or programmable syringe pumps under low pressure. - JH says continuous acoustic vibration helps prevent tip clogging and eliminates mechanical wear and internal moving seals. - The company says precision low-pressure carrier gas channels can shape the plume for lines as narrow as 2 mm or for wide photovoltaic sheets. - JH says systems can be configured with convergent, divergent or spiral gas-shaping geometries under diversion pressures at or below 0.15 MPa. - JH says its product line spans benchtop laboratory coating stations, automated multi-axis XYZ motion systems and multi-nozzle inline deposition arrays. - The JH-TWG05 platform can include XYZ three-axis servo positioning, G-code motion programming, ultrasonic homogenizer slurry dispersion and multi-zone vacuum substrate heating plates up to 500°C. - JH says its digital frequency-tracking generators and amplitude regulation support consistent acoustic energy transfer across different liquid viscosities.

Between the lines: - The pitch is aimed at manufacturers dealing with costly precursor solutions, high-solid slurries and fragile substrate surfaces. - JH is trying to position ultrasonic spray coating as both a quality upgrade and a material-savings tool. - The emphasis on clog-free operation and continuous use suggests the company is targeting production uptime as much as coating performance. - The reference to CE-certified manufacturing and 15 years of ultrasonic homogenizer work is part of JH's credibility argument, not a standalone product specification.

What's next: - JH is inviting manufacturers to request technical specifications, plume geometry details, substrate coating trial data and custom quotations. - The company says direct technical consultations are available for thin-film deposition parameters, perovskite solar cell coating, conductive ink atomization and inline production integration. - JH appears to be pushing the systems toward broader factory adoption across lab, pilot and commercial settings.

The bottom line: - JH is betting that ultrasonic atomization can replace high-pressure spray methods with a cleaner, more controllable and more material-efficient path for thin-film manufacturing.