A piece of PET sheet with glue containing metal shrapnel (guozzi), arrange the position of each metal shrapnel/guozzi according to the corresponding PAD (pad) position on the circuit board, and other components to set the corresponding avoidance Vacancies and positioning holes, etc. It serves as an important tactile switch between the user and the instrument. Small size, good touch of keys, strength can be customized according to customer requirements.

CASE