Membrane switch is an electrical switch for turning a circuit on and off. It differs from a mechanical switch, which is usually made of copper and plastic parts: a membrane switch is a circuit printed on PET or ITO. The ink used for screen printing is usually copper / silver / graphite filled and therefore conductive.
The most widely used materials are polycarbonate and polyester. Polyester : Highly versatile for embossing Highly resistant to chemicals Better durability For internal and external use
Polycarbonate : Wide range of surface finishes and thicknesses More cost-effective For internal and external us The material loses its chemical resistance if embossed.
Gloss : It Is very similar to glass Easy to clean Allows for the use of clear windows
Textured : Print and scratch resistant Available in different glosses, from semi-gloss to matte Available in a variety of finishes (suede, velvet, brushed, etc.)
Graphic overlays can be embossed in order to insert domes (tactile), leave space for mechanical keys and provide tactile indications. Pedestal embossing Rim embossing Pillow embossing Dimple embossing : Braille
Graphic overlays for devices that have a display are equipped with a window. The transparency of the window can vary depending on the materials uses and the specific requirements of your project. MBR can also print colours and transparent finishes.
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1.Graphic Overlay – PET/PC is usually the material of choice due to its superior chemical resistance and flex life . MEIBORUI can either digitally print, screen-print, or employ a combination of both methods to ensure you get the right colors, textures and finishes your design requires. 2.Overlay Adhesive – This adhesive layer bonds the graphic overlay to the top circuit layer, and is typically an acrylic adhesive. The material is same as the fourth layer. Only the thickness will be different according to the physical truth. 3.Top Circuit Layer – The material of this layer is special. This is a 0.1mm heat stabilized PET printed with silver-filled electrically conductive inks and also dielectric inks, which used for fastening metal domes. 4.Circuit Spacer – This layer separates the top circuit from the bottom circuit so the switch remains normally open until the keypad is pressed. The circuit spacer is a polyester spacer with adhesive on both sides. 5.Lower Circuit Layer – This layer is a 0.1mm--0.25mm heat stabilized polyester printed with silver-filled electrically conductive inks and also dielectric inks. This layer terminates as a flexible tail that serves as the interconnect to controller PCBs or other electronics. 6.Rear Adhesive Layer – This adhesive layer bonds the entire membrane switch package to the product enclosure, housing, or to a rigid support panel. MEIBORUI can specify the appropriate adhesive type and thickness to bond your membrane keypad to your equipment.
MEIBORUI Electronic Information Technology Company was established in 1990 with a history of almost 27 years. We mainly engaged in manufacturing and researching membrane switches, Overlays as well as other correlate products. MEIBORUI has been a golden member of Alibaba Trade Pass for more than 15 years which is the first company in the same industry. Early in 2003, MEIBORUI passed the international ISO 9001 certifications and we have been a member of it till now.Recently we get the high reputation and the certificate of Small and Medium High-tech Company of Hebei Province was awarded by the Science and Technology Office of Hebei Province.
From establishment, our company is continuously expanding, so our products won the international market’s recognition including Siemens, ABB, Haier and some well known enterprise. We took part in high speed railway locomotive control, three gorges project, aerospace industry and other state-owned project, and formed our own stable client base. The products exported to Germany and America reached 1 million pieces annually.
Nowadays, MEIBORUI owns sixty professional mold-making machines controlled by digital computers, which successfully transformed silkscreen printing to digital printing. There are 4 Japanese Mimaki heat-setting digital printers and 11 cold light printers of various models. We have independent laser cutting workshops and 18 laser cutting machines of different models. The equipment of all departments includes 7 pressure machines, 4 cutting mould machines, 37 silkscreen printing machines, 3 drying tunnels, 8 curing machines, 6 punching machines, 7 digital engraving machines, 5 linear cutting machines and others machines.
Payment & Shipping Term Price:1.5-5.0/piece Minimum Order Quantity:10pieces Packaging Details:PE bag, Carton, Wooden crate Delivery Time:5-20 days Payment Terms:L/C,T/T Supply Ability:100000 pieces per Month
the sample time was 1-3days small order :5-7days big order:10-20days
1.How can i get a sample to check your sample?
After price confirmation, you can require for samples to check our quality. If you need the samples, we can send you the samples by free( depends on the kind and qty of samples) or you can pay for sample cost, and it can be refundable after order confirmation when your quantity of the order is bigger than our MOQ.
2. How long can I expect to get the sample? After you pay for the sample charge and we confirm the drawing with each other, the samples will be ready for 3-5 days. The samples will be sent to you via express and arrive in 3-5 days. You can use your own express account or prepay us if you do not have an account.
3. Can you do the design for us? Yes. We have a professional engineer having rich experience in wire harness & cable assembly design. Just let us know your ideas and we will help to carry out your ideas into perfect products. It does not matter if you do not have someone to complete files. Tell us your detalied SPEC. of products, and we will send you finished drawing for confirmation.
4. What about the lead time for mass production? Honestly, it depends on the order quantity and the season you place the order. The lead time of MOQ is about 10 to15 days. Generally speaking, all of the goods can be reach your address within 4 weeks.