The dispenser is a smaller version of the large automatic dispensing machine, it also has some good basic function, large dispensing equipment such as visual positioning, high precision control, trace glue dispensing, dispensing velocity and so on, the basic functions are well preserved, but also is the main reason for application in camera module capable of dispensing desktop visual automatic dispensing machine, using a desktop type dispensing machine than the use of large-scale automatic dispensing machine is more convenient. Large automatic dispensing machine for power and cost are very large, dispensing machine is generally use 220V voltage, large automatic dispensing machine needs to use the 380V, electricity costs will be high, the most important is the cost of a large automatic dispensing machine need cost is ten, while desktop visual automatic dispensing machine only tens of thousands, only a few of some simple functions, the use of desktop visual automatic dispensing machine to complete the camera module can meet the dispensing. Camera module for dispensing dispensing machine requirements is very high, a little flaw problem in the dispensing process or not, will affect the quality of products, which is why many of the automatic dispensing machine market, used in the camera module can only two Taiwan glue dispensing machine, precision control and glue desktop visual automatic dispensing machine are the country's top products, camera module can meet the needs of dispensing.