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A membrane switch is an electrical switch for turning a circuit on and off. It differs from a mechanical switch. Membrane switch is very thin and soft. The touch surface material usually is PET or PC. The circuit can be PET, FPC or even PCB. Membrane switches are user-equipment interface utilities that allow for the communication of commands from users to electronic devices. 
---PRODUCTION DESCRIPTION---
>Â Construction:Â
A membrane switch typically has 6 or more or less layers. The top layer of a membrane switch is the graphic overlay interface between the user and the machine. The other critical layer is a the circuit layer. It can also be PET, FPC or PCB. All the layers are normally assembled using pressure-sensitive adhesives. Contact between two traces can be made through a printed shorting pad or through a metal dome that stands on legs.Â
>Â Membrane Keypad Structure
1) 4 layers structure: Graphic overlay + Spacer + Circuit(can be PET circuit or FPC circuit) + Back Adhesive
2) 6 layers structure: Graphic overlay + Spacer: Dome Retainer + Spacer + Circuit(can be PET circuit or  FPC circuit) + Back Adhesive;
3) Other Structure
   3.1) Overlay + Rubber Adhesive + Rubber Keypad + Rubber Adhesive + Retainer + Spacer + Circuit + Back Adhesive;
   3.2) Overlay + Spacer + Retainer + PCB Circuit;
And also there are many other kinds of structures for the interface keypads structure. It based on customer's real needs and we can design the suitable and economical structure for our customer's final application.
> Main Technical Specifications:
Â
Item
Description
Technical capabilities
1
Max. Size
1200mm x 1000mm
2
Overlay Material
PET: Autotype (Autotex F150, F200, F280, V150, V200, V280,Â
              Autoflex EBG130, EBG180, EBG250, EBA130, EBA180, EBA250)
     Autotex : XEV150, XEF200;
     Autostat CT3, CT4, CT5, CT7
     DuPont etc.
PC: Â GE LEXAN--8010 8B35 8B35F HP92S HP40 Â FR700 FR60
3
Spacer
3MÂ Adhesive, NITTO, TESA, SONY, SEKISUI, Domestic Adhesive
4
Back Adhesive
3M(Mainly), Others(Little)
5
Silver Paste
CHANGSUNG: CSP-3163, CSP-3352, CSP-5150;
ACHESON: ED 725A(6S-61), ED 427SS, ED 479SS, ED 976SS HV;
FUJIKURA and OTTI
6
Oil Ink
SEIKO, JUJO, DUBUIT, PROELL, NORCOTE UV
7
Carbon Paste
FUJIKURA, ACHESON ED 581SS, OTTI
8
6 Layers Metal dome Type Membrane Switch Structure
Overlay + Spacer + Dome Retainer + Spacer + Circuit Layer+ Back adhesive
9
4 Layers Polydome Type Membrane Switch Structure
Overlay + Spacer + Circuit + Back adhesive
10
Contact Resistance
0.5-10Ω
11
Insulation Resistance
≥10MΩ (100VDC)
12
Base Material Voltage Durable
≤ 2000V DC
13
Bounce Time
≤ 5ms
14
Working Current
≤ 100mA
15
Working Voltage
≤ 50VDC
16
Life
≥ 1,000,000 times
17
Key Travel
Flat type: 0.05mm-0.5mm, Tactile Type: 0.1-1.5mm
18
Working Temperature
-40ºC-+80ºC
19
Actuation Force
20-550g
20
Storage Condition
Temperature: -40ºC~+85ºC ,Humidity: ≤98% RH
21
PET Circuit Tail Flexible Feature
180°to any angle
---PACKAGING & SHIPPING---
Packaging Details
10 pcs in PP bag, then in hard carton box or Meet Customer's Demand
Delivery Detail
13~14 working days
Shipping
 TNT, DHL, Ups, FedEx            Â
---OUR SERVICE---
>Â Pre-Sale Support:Â
Â
1) Communicate with customers carefully for all requirements and specifications;
Â
2) Give our design improvement suggestions to customers;
Â
3) Provide several different solutions for our customers to comparision;
Â
4) Design the engineering artwork for customer's approval;
Â
5) Provide relevant materials datasheets and certificates.
Â
>Â LUPHI's gold after-sales service includes:
Â
1)Communicate with customer before the shipment and help customer to select a high cost performance of shipping method;
Â
2)Use the best packing method to ensure the economical shipping fees and also protect the products well;
Â
3)After shipped out the products, we will inform customer in time and tell the express tracking number to them so that they can trace the packages;
Â
4)After customer received goods, follow up the goods quality timely;
Â
5)If the customer met some assembly problems, our engineers can provide the technique support on line or at customer's factory;
Â
6)If the delivered products have quality problems, and if the quality problems were really caused by LUPHI, then we can make the replacement production for customer at once and the replacement production will be at the top priority.
---COMPANY INFORMATION---
> Location
Â
Dongguan LuPhi Electronics Technology Co., Ltd.(short for LUPHI bellow) located in Ziliang High-Tech Industrial Park, Huaide, Humen of Dongguan. Â It close neighbors to Shenzhen, Guangzhou and Hongkong. To Shenzhen airport is just about 30 minutes and to Guangzhou Baiyun Airport is just about 1 hour.Â
Â
Â
> Scale
Â
The factory area is about 16,150 square foot.We invested big money to get many new and high accuracy big size semi-auto silk screen printing machines, high-performance pneumatic punching machines, hot embossing machine, high accuracy laser cutting machine, auto die cutting machine etc.Â
Â
Â
> Quality
Â
LUPHI always regards the quality as our life. We promise to use high quality raw materials to ensure our products achieve the quality goal of our customers.We established our inner testing room. We have many high-grade testing machines and equipments in our testing room, like the life testing instruments, 2D measurement instrument, high-low temperature environment test equipment, friction tester, dropping tester, electrical function testing instruments, ink adhesion tester etc. In addition, we also have the high clean room and anti-static clean booth to ensure the product reliability and stability for those high-accuracy and anti-static required products. By such kind of advanced hardware facilities and our experienced quality management team to ensure that each batch delivery to meet our customers' high quality requirements. 
---FAQ---
> Question 1: What kind of membrane switches we can produce?
Super big size membrane switches, membrane keypads, graphic overlays, membrane circuits, LED backlighting membrane switches, LGF backlighting membrane switches, EL backlighting membrane switches, capacitive membrane switches, rubber keypad membrane switches, FPC circuit membrane switches, PCB circuit membrane switches, metal back panel membrane switches, Acrylic/PC back panel membrane switches,, waterproof membrane switch, anti-UV membrane switch, anti-scratch membrane switch, digital printing membrane switch etc.Â
> Question 2:Â What are our main businesses?
Â
Answer: PCBA, FPCA, Electronics Assembly, Turnkey Project Design and assembly, Total Solution, Components Soursing and assembly, Suncontracting PCBA manufacturing, OEM, ODM etc.
> Question 3: What kind of documents do we need for PCB assembly?
Answer: Gerber file for PCB or FPC, BOM list, test method;
> Question 4: What is our shipping method?
Answer: for small quantity with low weight, we ship by FedEx, UPS, DHL, TNT express; for big quantity with high weight, we ship by sea or by plane; We also make shipment as per customer's instruction;
> Question 5: What is our payment terms?
Answer: for the new customer, we will do 50% in advance and the rest 50% before the shipment. For long term cooperated customers, we do Monthly Statement;
> Question 6: What is our certification?
Answer: ISO9001:2008;
> Question 7: Can we provide the design service to our customer?
Answer: yes;
> Question 8: Can we provide the material sourcing service? for example sourcing the electronics components, plastic, metal, rubber, wireharness etc. parts for customer's PCBA projects?
Â
Answer: yes;
Multi Colors overlays High quality stainless aluminum plate membrane switch
AÂ membrane switch is an electrical switch for turning a circuit on and off. It differs from a mechanical switch. Membrane switch is very thin and soft. The touch surface material usually is PET or PC. The circuit can be PET, FPC or even PCB. Membrane switches are user-equipment interface utilities that allow for the communication of commands from users to electronic devices.Â
---PRODUCTION DESCRIPTION---
>Â Construction:Â
A membrane switch typically has 6 or more or less layers. The top layer of a membrane switch is the graphic overlay interface between the user and the machine. The other critical layer is a the circuit layer. It can also be PET, FPC or PCB. All the layers are normally assembled using pressure-sensitive adhesives. Contact between two traces can be made through a printed shorting pad or through a metal dome that stands on legs.Â
>Â Membrane Keypad Structure
1) 4 layers structure: Graphic overlay + Spacer + Circuit(can be PET circuit or FPC circuit) + Back Adhesive
2) 6 layers structure: Graphic overlay + Spacer: Dome Retainer + Spacer + Circuit(can be PET circuit or  FPC circuit) + Back Adhesive;
3) Other Structure
   3.1) Overlay + Rubber Adhesive + Rubber Keypad + Rubber Adhesive + Retainer + Spacer + Circuit + Back Adhesive;
   3.2) Overlay + Spacer + Retainer + PCB Circuit;
And also there are many other kinds of structures for the interface keypads structure. It based on customer's real needs and we can design the suitable and economical structure for our customer's final application.
> Main Technical Specifications:
Â
Item
Description
Technical capabilities
1
Max. Size
1200mm x 1000mm
2
Overlay Material
PET: Autotype (Autotex F150, F200, F280, V150, V200, V280,Â
              Autoflex EBG130, EBG180, EBG250, EBA130, EBA180, EBA250)
     Autotex : XEV150, XEF200;
     Autostat CT3, CT4, CT5, CT7
     DuPont etc.
PC: Â GE LEXAN--8010 8B35 8B35F HP92S HP40 Â FR700 FR60
3
Spacer
3MÂ Adhesive, NITTO, TESA, SONY, SEKISUI, Domestic Adhesive
4
Back Adhesive
3M(Mainly), Others(Little)
5
Silver Paste
CHANGSUNG: CSP-3163, CSP-3352, CSP-5150;
ACHESON: ED 725A(6S-61), ED 427SS, ED 479SS, ED 976SS HV;
FUJIKURA and OTTI
6
Oil Ink
SEIKO, JUJO, DUBUIT, PROELL, NORCOTE UV
7
Carbon Paste
FUJIKURA, ACHESON ED 581SS, OTTI
8
6 Layers Metal dome Type Membrane Switch Structure
Overlay + Spacer + Dome Retainer + Spacer + Circuit Layer+ Back adhesive
9
4 Layers Polydome Type Membrane Switch Structure
Overlay + Spacer + Circuit + Back adhesive
10
Contact Resistance
0.5-10Ω
11
Insulation Resistance
≥10MΩ (100VDC)
12
Base Material Voltage Durable
≤ 2000V DC
13
Bounce Time
≤ 5ms
14
Working Current
≤ 100mA
15
Working Voltage
≤ 50VDC
16
Life
≥ 1,000,000 times
17
Key Travel
Flat type: 0.05mm-0.5mm, Tactile Type: 0.1-1.5mm
18
Working Temperature
-40ºC-+80ºC
19
Actuation Force
20-550g
20
Storage Condition
Temperature: -40ºC~+85ºC ,Humidity: ≤98% RH
21
PET Circuit Tail Flexible Feature
180°to any angle
---PACKAGING & SHIPPING---
Packaging Details
10 pcs in PP bag, then in hard carton box or Meet Customer's Demand
Delivery Detail
13~14 working days
Shipping
 TNT, DHL, Ups, FedEx            Â
---OUR SERVICE---
>Â Pre-Sale Support:Â
Â
1) Communicate with customers carefully for all requirements and specifications;
Â
2) Give our design improvement suggestions to customers;
Â
3) Provide several different solutions for our customers to comparision;
Â
4) Design the engineering artwork for customer's approval;
Â
5) Provide relevant materials datasheets and certificates.
Â
>Â LUPHI's gold after-sales service includes:
Â
1)Communicate with customer before the shipment and help customer to select a high cost performance of shipping method;
Â
2)Use the best packing method to ensure the economical shipping fees and also protect the products well;
Â
3)After shipped out the products, we will inform customer in time and tell the express tracking number to them so that they can trace the packages;
Â
4)After customer received goods, follow up the goods quality timely;
Â
5)If the customer met some assembly problems, our engineers can provide the technique support on line or at customer's factory;
Â
6)If the delivered products have quality problems, and if the quality problems were really caused by LUPHI, then we can make the replacement production for customer at once and the replacement production will be at the top priority.
---COMPANY INFORMATION---
> Location
Â
Dongguan LuPhi Electronics Technology Co., Ltd.(short for LUPHI bellow) located in Ziliang High-Tech Industrial Park, Huaide, Humen of Dongguan. Â It close neighbors to Shenzhen, Guangzhou and Hongkong. To Shenzhen airport is just about 30 minutes and to Guangzhou Baiyun Airport is just about 1 hour.Â
Â
Â
> Scale
Â
The factory area is about 16,150 square foot.We invested big money to get many new and high accuracy big size semi-auto silk screen printing machines, high-performance pneumatic punching machines, hot embossing machine, high accuracy laser cutting machine, auto die cutting machine etc.Â
Â
Â
> Quality
Â
LUPHI always regards the quality as our life. We promise to use high quality raw materials to ensure our products achieve the quality goal of our customers.We established our inner testing room. We have many high-grade testing machines and equipments in our testing room, like the life testing instruments, 2D measurement instrument, high-low temperature environment test equipment, friction tester, dropping tester, electrical function testing instruments, ink adhesion tester etc. In addition, we also have the high clean room and anti-static clean booth to ensure the product reliability and stability for those high-accuracy and anti-static required products. By such kind of advanced hardware facilities and our experienced quality management team to ensure that each batch delivery to meet our customers' high quality requirements.Â
---FAQ---
> Question 1: What kind of membrane switches we can produce?
Super big size membrane switches, membrane keypads, graphic overlays, membrane circuits, LED backlighting membrane switches, LGF backlighting membrane switches, EL backlighting membrane switches, capacitive membrane switches, rubber keypad membrane switches, FPC circuit membrane switches, PCB circuit membrane switches, metal back panel membrane switches, Acrylic/PC back panel membrane switches,, waterproof membrane switch, anti-UV membrane switch, anti-scratch membrane switch, digital printing membrane switch etc.Â
> Question 2:Â What are our main businesses?
Â
Answer: PCBA, FPCA, Electronics Assembly, Turnkey Project Design and assembly, Total Solution, Components Soursing and assembly, Suncontracting PCBA manufacturing, OEM, ODM etc.
> Question 3: What kind of documents do we need for PCB assembly?
Answer: Gerber file for PCB or FPC, BOM list, test method;
> Question 4: What is our shipping method?
Answer: for small quantity with low weight, we ship by FedEx, UPS, DHL, TNT express; for big quantity with high weight, we ship by sea or by plane; We also make shipment as per customer's instruction;
> Question 5: What is our payment terms?
Answer: for the new customer, we will do 50% in advance and the rest 50% before the shipment. For long term cooperated customers, we do Monthly Statement;
> Question 6: What is our certification?
Answer: ISO9001:2008;
> Question 7: Can we provide the design service to our customer?
Answer: yes;
> Question 8: Can we provide the material sourcing service? for example sourcing the electronics components, plastic, metal, rubber, wireharness etc. parts for customer's PCBA projects?
Â
Answer: yes;
Multi Colors Overlays High Quality Stainless Aluminum Plate Membrane Switch
Model NO.: TT-16182
Number of Switch: Multi Control Switch
Detection Method: Electrical Testing
Brand: Luphi
Certification: ISO9001, UL, CE, CCC
Place of Origin: Guangdong, China
Logo: Customized Logo
Printing: Silk Screen Printing
Size: Customized Size
Lifetime: ≥ 1,000,000 Times
Back Board: Stainless Aluminum Plate
Embossing Style: Rim Embossed
Trademark: LUPHI
Transport Package: 10PCS in a PP Bag, Then in a Hard Carton Box
Specification: CE, ROHS
Origin: China
HS Code: 85439090
Model NO.: TT-16182
Number of Switch: Multi Control Switch
Detection Method: Electrical Testing
Brand: Luphi
Certification: ISO9001, UL, CE, CCC
Place of Origin: Guangdong, China
Logo: Customized Logo
Printing: Silk Screen Printing
Size: Customized Size
Lifetime: ≥ 1,000,000 Times
Back Board: Stainless Aluminum Plate
Embossing Style: Rim Embossed
Trademark: LUPHI
Transport Package: 10PCS in a PP Bag, Then in a Hard Carton Box
Specification: CE, ROHS
Origin: China
HS Code: 85439090
Multi Colors overlays High quality stainless aluminum plate membrane switch