Buffer assembly and application method thereof

An application method of a buffer assembly, the method comprising:

• obtaining the buffer assembly, the buffer assembly comprising a buffer body and an adhesive layer, the buffer body comprising a buffer portion, a mounting portion surrounding the buffer portion, and a first cutting line disposed between the buffer portion and the mounting portion, the adhesive layer comprising a first adhesive portion, a second adhesive portion surrounding the first adhesive portion, and a second cutting line disposed between the first adhesive portion and the second adhesive portion, the first adhesive portion and the second adhesive portion respectively corresponding to the buffer portion and the mounting portion, and the second cutting line superposing the first cutting line;
• aligning the buffer body of the buffer assembly with a component, and adhering the buffer body of the buffer assembly to the component via the adhesive layer;
• and
• separating the mounting portion and the second adhesive portion from the buffer assembly by shearing along the first and second cutting lines.