Shenzhen Haiwen Membrane Switch Co., Ltd.
| Packaging Details | First put in a polybag per 50 pcs usually, then packed in a big carton. |
| Supply Ability | 150000 Piece/Pieces per Month Customized Keyboard |
| Type | Membrane keyboard |
| Application | Computer Keyboard |
| Keypad Button Material | V200 PET |
| Material | V200PET/ 3M9495Le/ Silver paste |
| Printing | Silk Screen Printing |
| Product | 18 Years Experience |
| Pitch | 2.54mm |
| Cable Length | As requirement |
| Connector | Female /Male/DoPont Connector |
| Key | embossed or flat |
| surface | glossy surface or matte surface |
| Finish | Matte/Glossy |
| Port | Shenzhen |
| Place of Origin | Guangdong, China |
| Brand Name | Haiwen |
| Model Number | HW-90420087 |
| Certification | ISO9001/ CE |
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Product Specification
| Packaging Details | First put in a polybag per 50 pcs usually, then packed in a big carton. | Supply Ability | 150000 Piece/Pieces per Month Customized Keyboard |
| Type | Membrane keyboard | Application | Computer Keyboard |
| Keypad Button Material | V200 PET | Material | V200PET/ 3M9495Le/ Silver paste |
| Printing | Silk Screen Printing | Product | 18 Years Experience |
| Pitch | 2.54mm | Cable Length | As requirement |
| Connector | Female /Male/DoPont Connector | Key | embossed or flat |
| surface | glossy surface or matte surface | Finish | Matte/Glossy |
| Port | Shenzhen | Place of Origin | Guangdong, China |
| Brand Name | Haiwen | Model Number | HW-90420087 |
| Certification | ISO9001/ CE | ||
| High Light | Embossed Domes PET Circuit Membrane Switch ，Keyboard PET Circuit Membrane Switch ，Embossed Domes Waterproof Membrane Switch | ||
Customized Embossed Domes Waterproof Membrane Keyboard Switch With LED
Metal domes added to the membrane keyboard provide the upper circuit layer. That contributes the keys to visual, audible, and tactile feedback. The keyboard can performance well in high temperature environment. The product are mainly used as control keyboard for medical equipment. Also, keyboard of Haiwen can be customized based on customer’s design such as button icons, colors etc. Selecting Autotype V200 matte PET to screen print the overlay appears elegant and colorful. The circuits are made of Acheson ED-820B silver paste, so that it can be low resistance and function well. The rear adhesive is 3M300Lse.
Membrane switch flexible polycarbonate or polyester film printed with conductive paste made of the switch contact circuit is a contact switch.
Membrane switch has the advantage of the whole flat, thin shape, quality, small, dust-proof, good, good water resistance, is a semi-enclosed structure. In addition, the panel design, and great freedom of choice of colors. Positive range of applications of desktop computers, copiers, fax machines, toys, square computer, word processor and other areas of expansion.
| The main technical parameters of Haiwen membrane switch | |
| (1) Electrical Properties | |
| 1, operating voltage: | ≤ 50VDC |
| 2, working current: | ≤ 100mA |
| 3 Contact resistance: | 0.5 ~ 5Ω |
| 4 Insulation resistance: | ≥ 100MΩ (100VDC) |
| 5, substrate voltage: | 2kDVC |
| 6, spring time: | ≤ 6ms |
| 7, loop resistance: | 20Ω |
| 8, insulation ink voltage: | 100VDC |
| (2) Mechanical Properties | |
| 1, reliability, service life: | > 1 million times |
| 2, closed displacement: | 0.1 ~ 0.4mm (no touch-type) 0.4 ~ 1.0mm |
| 3, health standard for power: | 280g Power |
| 4, Silver migration: | In 55 ℃, humidity 90%, 56 hours later, the second-line between the 10MΩ/50VDC |
| 5, Silver online no oxidation, no impurities | |
| 6, Silver width | ≥ 0.3mm, the smallest interval of 0.3mm, line edges <1 / 3, the line gap of <1 / 4 width |
| 7, pin spacing standard | 2.54mm |
| 8, lead anti-curvature, with d | 10mm steel rod line pressure roller 80 constantly. |
| (3) environmental performance | |
| 1, operating temperature: | -40 ℃ ~ +80 ℃ |
| 2, storage temperature: | -40 ℃ ~ +85 ℃ temperature of 95% ± 5% |
| 3, atmospheric pressure: | 86 ~ 106kDa |
| (4) print index | |
| 1, print size deviation | ± 0.15mm, clear code looks bad ≤ 0.1mm edges |
| 2, chromatic deviation | ± 0.11mm/100mm, insulated cover all the Silver Line Ink |
| 3, no ink dispersion, writing non-defective | |
| 4, chromatic aberration is not more than two | |
| 5, may have creases, paint stripping | |
| 6, transparent windows transparent clean, uniform color, not a scratch, and impurity | |
| Q1. What is your terms of packing? A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment? A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
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| Q3. What is your terms of delivery?
Q6. What is your sample policy? | |
| Q7. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship? A:1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from. | |
Company Details
Business Type:
Manufacturer
Year Established:
2009
Total Annual:
3000000-5000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Haiwen Membrane Switch Limited. Our company established in June 2009 and specialized in manufacturing membrane switches for years. Our mainly products category are membrane switches keypad, graphic overlay, PC/PET/glass/acrylic overlay, FPC/FFC/PCB circuit, circuit board assembly, etc. Haiwen sta... Haiwen Membrane Switch Limited. Our company established in June 2009 and specialized in manufacturing membrane switches for years. Our mainly products category are membrane switches keypad, graphic overlay, PC/PET/glass/acrylic overlay, FPC/FFC/PCB circuit, circuit board assembly, etc. Haiwen sta...
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