Rotating coating machineIt is a device that uses rotational centrifugal force to uniformly coat colloids or solutions on a substrate. It involves dropping various colloids or solutions onto a high-speed rotating substrate, and using centrifugal force to evenly coat the gel or solution dropped onto the substrate. The thickness of the formed film is related to various factors, such as the viscosity of the colloid or solution, the viscosity coefficient between the colloid and the substrate, rotation speed, spin coating time, and the quality of substrate cleaning.

The rotary coating machine is widely used in fields such as semiconductor materials, optical devices, solar cells, etc., and has become a necessary process equipment for these fields. The instrument operation process is as follows:

Substrate preparation: Clean the substrate thoroughly, remove surface oil stains and impurities, and ensure that the coating can firmly adhere to the substrate.

Equipment debugging: Adjust the rotary coating machine to the appropriate speed and spin coating time to ensure the uniformity and thickness of the coating meet the requirements.

Dropping colloid or solution: Drop colloid or solution onto the center of the substrate, with the droplet size suitable to cover most of the surface of the substrate.

Start the device: Start the rotary coating machine to make the substrate rotate at high speed, and the colloid or solution is uniformly coated on the substrate under the action of centrifugal force.

Coating curing: Place the coated substrate on a drying table for drying and curing treatment to make the coating more firm and stable.

With the development of the Internet of Things and intelligent technology, rotary coating machines will gradually achieve intelligent control, improve production efficiency and product quality. Meanwhile, with the development of new materials and technologies, rotary coating machines will achieve higher precision coating control and meet a wider range of application needs.