| Brand Name | HM |
| Type | Membrane Switch |
| Application | Telecommunication Equipment |
| Keypad Button Material | Other |
| Product name | Control panel overlay |
| Thickness | 0.175mm to 2.0mm usually according to different material |
| Finish | Glossy, matte, texture, etc |
| Ahesive | Backside adhesive or not |
| Printing | Silkscreen printing, digital printing, UV printing |
| Material | PET PC PVC PMMA Glass |
Acrylic membrane switch panels are flexible film panels manufactured from acrylic (plexiglass) material, integrating key functions, indicator components and instrument operating interfaces. Their structure typically comprises four layers: an acrylic panel layer printed with identification symbols, an upper circuit layer with contacts, an isolation layer, and a lower circuit layer. When external pressure is applied to the panel, the upper circuit contacts deform to make electrical contact with the lower circuit plates, establishing a conductive path. Upon release, the film rebounds to break the circuit, triggering the signal. This design combines decorative appeal with functionality, serving as a critical component in the human-machine interface of electronic devices.
Light transmission and aesthetic appeal: Acrylic offers light transmission comparable to glass. Combined with screen printing technology, it enables customisation of intricate patterns to meet high visual standards.
Environmental adaptability: The sealed casing design renders it suitable for humid environments, preventing internal circuitry from short-circuiting due to moisture ingress.
Durability: The material resists bending and heat, with a lifespan exceeding three years; its scratch-resistant surface maintains a pristine appearance over time.
Safety: It does not produce sharp fragments upon breakage and exhibits excellent resistance to high-voltage electric shocks.
Widely employed in medical equipment (enhancing operational precision), automotive electronics (control panels), industrial machinery, and smart home appliances. Its sealing properties are particularly suited to humid environments (such as kitchen appliances and outdoor equipment), whilst its customisable appearance aligns with the premium aesthetic demands of consumer electronics.