ABSTRACT
“Composite particles” can be defined idiomatically as the particles fabricated with two or more components. The composite particles in a narrow sense are referred to as the particles that are fabricated to have a well-designed, established structure and more specifically, sophisticated functions. The composite particles can be conventionally classified into two types: monolithic structure and layered-structure. The major purpose of forming composite particles may be to compensate some disadvantages of one component with another component(s) and/or to give new or specific functionalities to the resulting particles through the composite formation of the components. Most of the currently available processes for particle production can be potentially applicable for the production of composite particles. Fluidized beds equipped with a spraying system are often used for this process, especially in the pharmaceutical field. Selection of materials is crucial in design and preparation of composite particles since the possible combinations of the components are almost infinite.
