Membrane Switch Key:
Material: Matte PC (smooth), gloss PC + matte oil, gloss PC, PET, and PVC
Thickness: 0.05---1.0mm
LED windows: Transparent, translucent, matte, gloss
Embossed keys: No embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and domes
Adhesive: 3M9448, 3M9080, 3M467, 3M468, and no adhesive
Tail: Tail with clear mask or green mask
Specialize in manufactuing membrane switch:
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
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 - +80, Storage temperature: -40 - +85
Humidity: 40, 90% -95%, 240 hours
Shenzhen Lunfeng Engrave Board Co., Ltd. is a manufacturer engaged in the production, sale, and service of membrane switch, scutcheon, nameplate, acrylic nano lens, adhesive sticker, and hot press/injection molding thermosetting composite material (BMC/SMC).
Established in 1995, Shenzhen Lunfeng Engrave Board., Ltd. is located at Hengfeng Industrial Zone and Shajing Pioneer Industrial Estates, Baoan, Shenzhen, and covers more than 6000 square meters of modern plant, with large dust-free screen printing workshop, automatic screen printing machine, CNC carving machine, CNC cutting machine, 500T exclusive press and 218T injection molding machine, as well as punching, milling, grinding, drilling, production and testing equipment; Our company gatherers a group of experienced R&D Engineer and production workers. The production capacity of nameplate is more than 150 million annually.
Due to many years' experience, the quality of our products and service are widely praised by the industry field. Our company has maintained good cooperative relations with hundreds of companies in many countries and regions, such as Japan, Korea, Europe, America, Africa, Mid East and Southeast Asia. We have successfully provided products and services for well-known enterprises at home and abroad, such as SANYO, Haier, Midea, Mitsubishi.
Since founded, We have received various awards and honorary titles issued by the Government. Meanwhile, our company has passed ISO9001 International Management System Certification as early as 2001. Enterprise sticks to organize production\Insure Quality\strong quality inside\foster a good and healthy company image according to the ISO9001: 2008.
Primary Competitive Advantages:
1. Prompt Delivery
2. Quality Control (IQC, On Line Inspection, OQC, ISO9001: 2008 and 5S)
3. Reputation
4. Service
5. Small Orders Accepted
6. Superior R&D background (continuously new product development and current product improvement)
7. Customize Design / Production (OEM/ODM business, flexible designs for customers' special requirements)
