Products
Thin Film Switch Product Series Introduction
Thin film switches are essential human-machine interfaces in modern electronic devices. Known for their superior performance and highly flexible customization capabilities, they are widely used across numerous fields including industrial control, medical devices, household appliances, automotive electronics, and instrumentation. We are committed to providing customers with high-quality, highly reliable thin film switch solutions.
Why Choose Our Thin Film Switches?
Our product portfolio ranges from standard types to highly integrated complex modules, designed to meet the specific requirements of various industries:
Construction & Technology: We utilize advanced premium substrate materials such as PET/PC. Combined with precision screen printing, metal domes, LED backlighting, surface hardening treatments, and EMI shielding technologies, we ensure our switches deliver excellent tactile feedback, clear and durable graphics, superior environmental resistance (e.g., scratch resistance, dust/waterproofing, chemical resistance), and long service life.
Customized Design: We deeply understand the uniqueness of each application. Our engineering team can provide comprehensive customization based on your specific needs. This includes electrical properties (circuit design, contact resistance), mechanical properties (travel, actuation force), optical properties (LED color, uniform brightness), aesthetics (color, graphics, texture), and interface types (FPC, ZIF connectors, lead wires), ensuring a perfect match with your end product.
Quality & Reliability: All products adhere to a stringent quality control system. From incoming materials to final shipment, each unit undergoes multiple tests, including life cycle testing (typically exceeding 1 million actuations), environmental endurance testing, and electrical performance testing. This ensures every thin film switch delivers stable performance and reliable quality.
Application Fields:
Industrial Control: Machinery control panels, PLC HMI interfaces.
Medical Devices: Control panels for medical equipment, meeting specific requirements for cleanliness and ease of sterilization.
Consumer Electronics: Control panels for home appliances, smart home control terminals.
Automotive Electronics: In-vehicle infotainment/control panels, control buttons.
Other Fields: Security equipment, office automation, measuring instruments, and more.
We provide more than just products; we aim to be your trusted partner. From concept design and prototyping to mass production and after-sales support, our professional team offers full-process technical support and efficient service to help your product stand out in the market.
Explore our specific product categories, or contact our team anytime to begin your journey toward a tailored thin film switch solution.
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Durable Self-Adhesive Rubber Metal Buttons PET PC Membrane
PRODUCT PARAMETERS Available Material PC, PMMA,PVC,PET,ABS,PP,etc Commonly used thickness PC: 0.125—6.0mm (matt, anti-glare, anti scratch, anti-UV) PMMA: 0.5-10.0mm (matt, anti-glare, anti scratch, anti-UV) Max printing size 1300x700 mm Max cut size 2500x1000mm Color As requested MOQ 10 PCS Double side adhesive 3M467,3M93020,3M9080,VHB4920,etc. Operating temperature PC: 40-90° PMMA: -40-80° Available finish Anti-glare surface/Anti-fog surface/Anti-fingerprint surface/Gloosy surface/Frosted surface Printing Silk-screen printing Shipping method DHL,Fedex,UPS,etc. Molding method CNC cutting or die cutting, without tooling Advantage Glossy surface, colorful printing appearance, good texture, safety and eco-friendly Plastic lens OEM graphic overlay, front panels, logos, nameplates, stickers, CNC precision parts and other plastic parts OEM vservices Silk screen printing, custom die cutting/CNC cuttin
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Waterproof Membrane Keyboard
Q1:What is the main business scope of your company? A:We are professional distributors and manufacturers, with our own warehouses and factories. We have a large inventory of products and also offer customized products according to customer needs. Additionally, we have a series of complementary products. Our goal is to provide our customers with the highest quality products and services. Q2: What payment methods you support ? A:We accept the Trade Assurance Order on Alibaba , T/T , PayPal and WESTERN UNION etc. Q3:How can I trust your product quality? A:We have more than 10 years experience in touch screen industry. From material purchasing to product delivery, we have own professional staff and procedures to prevent potential quality risk. Q4:Could you test my order before shipping ? A:All orders will undergo strict testing before shipment to ensure everything is in good condition. Q5:What's your after-sale service? If you have any questions, please contact us with the pictures and videos. You will receive our reply within 24 hours. Our professional and powerful technical team will provide you with a solution.
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PVC Flexible Membrane Switch
The membrane switch keyboard is a popular subcategory of membrane technology, designed for reliability, cost-effectiveness, and ease of use. Constructed from flexible yet durable polyester and polycarbonate materials, the membrane switch is overlaid with legends and graphics for clear, custom labeling. The core function relies on opening and closing an electrical circuit via layered flexible sheets; when a user presses a key, the circuit is completed momentarily, rapidly registering input and minimizing contact bounce issues seen in older mechanical contacts. This type of keyboard is especially common as membrane keypads in household appliances such as washing machines, microwaves, air conditioners, remote controls, and smart home panels, where moisture and dust resistance are paramount. They are also widely used in point-of-sale (POS) systems, kiosks, copying machines, industrial HMI panels, medical devices, automotive consoles, vending machines, printers, and telecommunications equipment, highlighting their extensive role in both consumer and industrial environments. Critical components of a membrane switch keyboard include several precision-made layers, each serving a dedicated purpose to deliver reliable, long-term performance in high-use environments: Graphic Overlay – This uppermost layer forms the visible user interface and is often coated with durable, UV-resistant graphic inks to prevent fading. It is constructed from flexible polyester or polycarbonate for flexibility and longevity, often featuring customized icons, branding, or backlighting window openings for control panel integration. Domes – Domes are integral to tactile membrane keypads, providing a physical response or ‘snap’ when pressed. Plastic (polyester or polycarbonate) is common for most consumer goods, while metal domes are used for higher precision and longer service life. Dome size, shape (such as four-legged, triangular, round, or oblong), and material directly influence tactility, key travel, and actuation force. Spacer – The spacer maintains circuit separation and defines travel distance for each keystroke. It contains punctured holes (die-cut windows) directly beneath each keypad position to permit contact between the overlay and the conductive circuit layer, preserving the reliability of the switch actuation. Circuit Layer – The circuitry, often produced via screen printing (with silver, carbon, or copper-based conductive inks) or photochemical etching, forms the functional heart of the device. Advanced designs may use printed circuit boards (PCBs) for enhanced complexity and durability, allowing for double-layer or multi-layer circuits to accommodate complex functionalities, such as multi-zone lighting or integrated sensors. Circuit Terminal – A flat ribbon cable or flexible tail connects the membrane keypad to the main controller, ensuring quick and secure integration with embedded systems, PLCs, microcontrollers, or PCBs.
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Pc Durable MembraneSwitches
Gasket seal A gasket seal is used to protect the conductors against humidity and splashes. When humidity seeps into an unprotected membrane switch, migration and oxidation of the conductors can occur. Bolin recommends adding a seal as a precaution if there is humidity or liquid present. EMI / RFI / ESD Shielding EMI : Electro-magnetic interference RFI : Radio frequency interference ESD : Electro-static discharge An aluminum foil shielding is laminated to the circuit to absorb electro-static discharges. The ground can be connected to the switch cable or be separated as a stand-alone cable. If there are transparent windows on your graphic overlay (LCD display for instance), it is possible to use a clear ITO electrical conductive polyester which will provide the same protection as the aluminum shielding.
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Membrane Switch Keyboard with 3M
CSI Keyboards uses copper flex circuitry in the majority of our custom keypad designs due to its excellent dielectric strength, thermal stability, chemical resistance and flexibility. Copper flex, also known as Kapton circuits, have become the superior choice over printed silver especially for outdoor applications. A printed silver circuit can be replaced with a copper and polyimide construction with minimal additional cost. Copper flex circuitry construction designs offer a significant advantage over printed silver. Copper Flex membrane switch panels are produced using polyimide (Kapton) as the base material. Copper flex keypad switches are manufactured by laminating a thin sheet of copper to a flexible film substrate. The copper is then chemically etched away, leaving the copper traces. An additional layer of polyimide is laminated to the circuit leaving the gold contacts exposed
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Resistance Industrial Keypad Membrane Technology
Tactile membrane keypads are designed to provide physical, tactile feedback. The response is typically a “snap” or “click” when the switch is pressed. This is usually a function of a dome switch that is selected for the application. The size, force, and snap required to activate the switch can be customized to your specifications. A non-tactile membrane switch has no tactile response that indicates the button has been pressed. Instead, the response is typically indicated through lights, sound, or reading on the instrument display. With a non-tactile membrane switch, the bottom side of the overlay is connected to a conductive pad, or an upper circuit layer is printed with conductive traces. When the overlay is pressed down the conductive traces connect to the lower circuit layer, which sends a signal to a printed circuit board. Non-tactile membrane switches are more resilient than tactile membrane switches and they are completely sheltered from the outside environment. This allows them to be rated for three times as many activations as a tactile membrane switch.
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Circuit Wholesale Switch Sticke
Tactile membrane keypads are designed to provide physical, tactile feedback. The response is typically a “snap” or “click” when the switch is pressed. This is usually a function of a dome switch that is selected for the application. The size, force, and snap required to activate the switch can be customized to your specifications. A non-tactile membrane switch has no tactile response that indicates the button has been pressed. Instead, the response is typically indicated through lights, sound, or reading on the instrument display. With a non-tactile membrane switch, the bottom side of the overlay is connected to a conductive pad, or an upper circuit layer is printed with conductive traces. When the overlay is pressed down the conductive traces connect to the lower circuit layer, which sends a signal to a printed circuit board. Non-tactile membrane switches are more resilient than tactile membrane switches and they are completely sheltered from the outside environment. This allows them to be rated for three times as many activations as a tactile membrane switch.
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Push Button Membrane Keypad Switch
1.Customizability: Our custom push button membrane keypad with LED features a customizable design allowing you to choose your preferred contact configuration, contact current (25~100mA), voltage rating (2~24V), insulation resistance (500VDC\500MΩ), temperature range (-40~+70), and color theme (Pantone or RAL). 2.Environmental Protection: The product is equipped with a high-quality LED backlight, ensuring clear visibility in various lighting conditions. In addition, the waterproof membrane switch is resistant to water, dust, and other environmental factors, making it ideal for use in harsh environments. 3.Advanced Detection: The keypad utilizes retro-reflective mode detection, providing reliable and accurate data transmission, which is essential for advanced equipment like telecom equipment. 4.Branding Opportunity: You can showcase your brand identity by customizing the keyboard's logo. The keypad will feature your chosen Pantone or RAL color, allowing it to complement your product's aesthetics. 5.Quality Assurance: Our custom membrane keypad is manufactured with stringent quality control measures. The product complies with international standards, including RoHS, ISO9001:2000 certification, ensuring high-quality, reliable, and long-lasting performance. These features will make our customized push button membrane keypad an ideal choice for your application. With its versatile design, compatibility with various environmental conditions, and added brand visibility, our product offers a comprehensive solution for your needs.
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