Design and application of nanoparticle coating system with decoupled spray generation and deposition control

Abstract

Coatings are widely used in various biomedical applications to change the interaction of the surfaces with bioactive materials. The key factors that determine the quality of a spray-coated layer are the size (order of a few microns in diameter) and dimensional uniformity of droplets in the spray and the droplet impact velocity. For many applications, coating quality is strongly dependent on the method and equipment used during the application process. This paper presents the development of a decoupled system for spray coating and micro-printing, which includes an ultrasonic spray generation device and a nozzle for the spray deposition independently operated. Design and development of the system as well as testing for different applications are presented in this paper. The system design can be potentially used for large area coating, such as windows and solar panels, as well as micro-printing of electronic circuits and numerous other applications.

Research on the Application of Interaction Design in the Revival of Old Brands

“…As a design activity from the perspective of mass consumers, the concept of interaction design is not only a design concept, but also a psychological recognition [9]. From a user's point of view, interaction design is a new type of interaction between users and products, it can effectively shorten the distance between users and products, make the product more convenient to use, the core of interaction design is to understand the target customer expectations, interactive behavior and psychological behavior characteristics of the user, and through the design conveys the demand on product [10][11].…”

Flame-Assisted Spray Pyrolysis Using an Annular Flame Nozzle with Decoupled Velocity Control

“…The structure of a dual velocity deposition nozzle is described in [33], and a port for fuel gas input was added to the literature's nozzle design ( Figure 1) so that it can be used for flame spray pyrolysis. Plyum et al [29] produced micron-sized silver nanoparticles from the process.…”

“…The structure of a dual velocity deposition nozzle is described in [33], and a port for fuel gas input was added to the literature's nozzle design ( Figure 1) so that it can be used for flame spray pyrolysis. At the nozzle exit, there is a fuel gas cavity between the inner funnel and outer wall, which forms a narrow annular slit.…”

Comparison of Sublimation 3D Scanning Sprays in Terms of Their Effect on the Resulting 3D Scan, Thickness, and Sublimation Time

“…The main advantage of this approach is that it is usable for all conventional 3D scanners. The disadvantage of this approach is that the applied coating can change the geometry of the scanned object because it is an added material on the surface of the scanned body, as was stated in the work of Rukosuyev [ 7 ]. For accurate 3D scanning, the coating thickness must be as thin as possible and at the same time must sufficiently improve the optical properties of the scanned surface.…”