Photoresist Coatings in Photolithography Wafer Photoresist Coatings in Photolithography Wafer - Coating Systems - Cheersonic A simple, economical and repeatable process for photoresist coatings in photolithography wafer processing with fine control of flow rate, coating speed, and deposition amount using an advanced layering technique. Uniform thin film coverage of various surface profiles. Capable of coating high aspect ratio trenches with excellent uniformity. Non-clogging atomized spray. Ability to deposit [...]

Product Line of Coaters for Semiconductor and Electronics Product Line of Coaters for Semiconductor and Electronics - Cheersonic Common applications for polyimide and photoresist coatings include but are not limited to MEMS, lenses, microfluidic devices, microelectronics, and filters. Ultrasonic spray coating system is able to coat onto both flat and 3D substrates commonly including silicon wafers, glass, ceramic, and metal. Ultrasonic spray is a simple, economical and repeatable [...]

Alcohol Fuel Cell Sensor Alcohol Fuel Cell Sensor - Ultrasonic Fuel Cell Catalyst Coating Systems - Cheersonic First invented by Sir William Grove in 1839, fuel cells have been used in many devices in recent years as gas sensors for detecting oxidizable gases or vapors. Essentially, each fuel cell gas sensor consists of a working electrode (or anode) and a counter electrode (or cathode) separated by an electrolyte, [...]

Measuring Oxygen Purity With Fuel Cell Sensor Measuring Oxygen Purity With Fuel Cell Sensor - Fuel Cell Coating - Cheersonic High concentrations of oxygen are used in many chemical processes to increase yields without significantly increasing costs. Oxygen enrichment for chemical processes typically ranges from 80% to 100%. Oxygen supplied to the chemical processing industry is either cryogenically generated or consumed at moderate to low levels through pressure [...]

Programmable Photoresist Spray Solution Cheersonic provides precision ultrasonic coating systems for photoresist onto MEMs wafers, using patented ultrasonic spray technology to deposit uniform thin films of photoresist onto difficult to coat deep well topographies with high aspect ratios. The soft velocity spray provides superior coverage over spin coating with repeatable performance. Cheersonic's ultrasonic coating system is a complete programmable photoresist spray solution. Our ultrasonic coating solutions are environmentally-friendly, [...]

EMI Shielding Spray Coatings EMI Shielding Spray Coatings - Spray Pyrolysis Principle - Cheersonic Spray-on silver based shielding materials have been in use for several years. Thinner, lighter device designs have made the transition from board level shielding to IC Package shielding, enabling higher board density. Ultrasonic coated EMI shielding components have comparable characteristics to sputtered parts both for adhesion and shielding properties. At a fraction of the [...]

EMI Shielding Coating System EMI Shielding Coating System Technology applies a thin, uniform conformal coating of advanced EMI shield materials from all major suppliers. When properly applied, these new formulations provide equivalent performance and reliability compared to traditional sputtering techniques. Features & Benefits Complete thin film coverage of geometries with excellent uniformity Top surface to sidewall thickness ratio of: 1.0 to ~0.6-0.7 High through put Excellent surface conductivity [...]

Depositing Photoresist Onto MEMS Cheersonic has extensive application expertise in depositing photoresist onto MEMS and other semiconductor wafer substrates. Ultrasonic spray coating systems are proven for various applications in which uniform, repeatable coatings of photoresist or polyimide films are required. Our coating solutions are environmentally-friendly, efficient and highly reliable, and enable dramatic reductions in overspray, savings in raw material, water and energy usage and provide improved process repeatability, [...]