Crystal keys are often used in high-end and delicate terminal equipment for password input. It is mainly composed of silicone keys + transparent plastic keycaps, which is one of the P+R keys.
The crystal button in this case was originally a design draft provided by the customer. When ES Dongcheng engineers got the originally designed machine buttons, they found the following problems:
In response to the above problems, ES Dongcheng proposed corresponding improvement plans:
From the customer’s point of view, ES Dongcheng fully considers the use, appearance, and time cost. The modification suggestions for this button have been recognized and praised by customers.