膜敲键盘的金属圆顶

Membrane keyboard with metal domes Specifications/Special Features: Material: matte PC (smooth), gloss PC + matte oil, gloss PC, matte PET, gloss PETThickness: 0.05---1.0mmLED windows: transparent and translucentEmbossed keys: no embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and domesAdhesive: 3M9448,3M9080,3M467,3M468, and no adhesiveTail: tail with clear mask or green maskSpecialize in manufactuing membrane keyboard: Overlay+circuit+LED+metal dome or poly dome array+connector+double side tape EL backlight+Rubber keys Aluminum plate+Rubber keys Metal domes Flat without Tactile Effect Embossing with Tactile Effect Embossing with Metal Dome Membrane switch with FPC membrane switch,membrane keypad,membrane keyboard Advantages: 1.Beautiful appearance, rich and bright in color,design can be arbitrary, the products can fully reflect the individual style of the product itself and designer. 2. Panel can wash, good protection of durable color, characters, logos and other panel contents without injury. 3. Small size, light weight, thin thickness, good tactility,abrasion resistant,installation and connection convenience. 4. Tightness is good, moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion and erosion of harmful gases proof, acid and alkali proof, quakeproof. 5. Low cost, high lifespan, membrane switchs design and manufacture are using the keyboard as a whole way, whether on the material or mold charges, the costs are lowest,the life expectancy of different types of membrane switch is more than 100 million times. 6. Easy to operate, intuitive, safe and reliable,In-house 100% functionally tested,components are guaranteed without any intermittent problem. 7.Customized specification is available and keys can make different shapes. Performance indicators: 1. Electronic characteristics Circuit rating: 35V (DC), 100mA, 1W Contact resistance: 10Ω--500Ω (According the trace length and materials to comfirm) Insulation resistance:> 100MΩ 250V DC Contact bounce: ≤ 5ms Dielectric withstand:250VRms (50-60Hz 1min) Life expectancy: flat type ≥ 500 million times, tactile type: ≥ 100 million times 2. Mechanical Properties Actuation force:flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: flat type 0.1-0.5mm, tactile type 0.6-1.5mm 3. Environmental parameters Operating Temperature: -40 oC- +80oC , Storage temperature: -40oC - +85oC Humidity: 40oC , 90% -95%, 240 hours