Smartphones have been developing towards lightness and thinness in recent years, with increasingly compact structures. Many fixed structure designs, such as screw and buckle structures, require a certain amount of space and uneven force points. It is difficult to position and fix ultra-thin and narrow border screens, as well as thinner and larger chips and other related components.

The adhesive material of polymer materials can not occupy the space of mobile phone structural components, and its self flowing filling characteristics can adapt to any structural surface without the need for precise surface treatment and processing. It is currently the best positioning and fixing structure assembly method for full screen mobile phones.