MANUFACTURERS OF QUALITY MEMBRANE SWITCHES

History: For more than 2 decades, we have had a deep commitment to customer service. Our success in the marketplace is a direct result of our ability to deliver and execute innovative solutions designed to match individual requirements, while meeting the highest quality standards at competitive prices. Our products provide design engineers and purchasing professionals with a low-cost, highly reliable and visually appealing solution to the need for a versatile switching device. Also, since Northpoint provides single-sourcing responsibilities for your project, you can be assured of a reliable product delivered on time.

Experience: When you come to Northpoint Technologies for your Membrane Switch needs, you’ll receive the personal attention of experienced professionals and craftsmen at every stage-from initial design through manufacturing, assembly, and shipping. For both small and large customers, our dedicated team is focused on helping you develop a custom membrane switch that will enhance your products and perform reliably for years to come.

Service: Our goal is 100% customer satisfaction in meeting your membrane switch requirements. We know time is critical. Our experienced application team will move your custom membrane switch concept to working prototypes in the shortest possible time frame.

Affordable: We continue to grow because we provide affordable leading edge membrane switches. We recognize the need to supply competitive pricing to remain ahead in this ever changing environment. At all levels, management continually employs advanced core technologies throughout our facilities to remain a world class affordable leader.

Satisfaction: We have some of the shortest lead times in the industry. Speeding your custom membrane switch prototypes and production is our focused goal with 100% customer satisfaction.

Additional Products: Northpoint Technologies, Inc. manufactures additional products including Flexible Circuits, PCB’s and Touchscreens. For more information, please visit our websites listed below. 

Non-Tactile Membrane Switch

Non-Tactile Membrane Switch
Polyester circuit layers printed with silver ink
Layers are sandwich around insulating spacer
Layers are die-cut at specific contact points
Layer are sealed permanently
Graphic Overlay with customer’s Logo/design
Non-Tactile Membrane Switch2
Switch is virtually impervious to harsh environment
Typically our switch will not exceed 0.03 thickness
An EMI/ESD shielding panel can be added
Non-Tactile Membrane Switch3
Switch still remains thin and flexible with panel
Switches are mechanically self-supporting
Switches are easy to install in the field
Switches can easily be changed for an upgrade
Design-Guide-Non-Tactile Membrane Switch

 

Tactile Membrane Switch

Tactile Membrane Switch1
Polyester circuit layers printed with silver ink
Layers are sandwich around insulating spacer
Layers are die-cut at specific contact points
Layer are sealed permanently
Dome-shaped disks of polyester, or stainless steel
Graphic Overlay with customer’s Logo/design
Tactile Membrane Switch2
Polyester dome will operate flawlessly for as many as 1,000,000 operations under all but the most severe temperature conditions

Stainless steel dome will operate for as many as 3,000,000 operations under the same conditions

Tactile Membrane Switch3
Switches are mechanically self-supporting
Switches are easy to install in the field
Switches can easily be changed for an upgrade
Design-Guide-Tactile Membrane Switch

Membrane Switches Design Options

Materials: Polycarbonate (Lexan)
Polyester
Vinyl,
Acrylic are among the most widely-used materials
Surface Texturing: Standard surface textures include velvet, suede, matte, and gloss
Ultraviolet (UV) processed
Lens Filtering: Standard red, green and gray for use with LEDs or fluorescent displays
Graphic or window are deadfronted to keep invisible until backlit.
Embossing: Full Pad (pillow)
Rim embossing
Create a 3-dimensional appearance
Shielding: EMI
RFI
ESD
Terminating: Can be supplied unterminated
With Terminal Pads
Slide-in Pressure Connectors
DuPont/Berg Clincher Connectors

Membrane Switch Specifications

Electrical Specifications Non-Tactile Metal-Dome Tactile Embossed Polyester Tactile
Voltage 30VAC/DC 30VAC/DC 30VAC/DC
Current 100mA (Max) 100mA (Max) 100mA (Max)
Power 1 Watt (Max) 1 Watt (Max) 1 Watt (Max)
Resistance < 100 Ohms < 100 Ohms < 100 Ohms
Capacitance < 20pF < 20pF < 20pF
Contact Bounce 10 ms (Typ.) 10 ms (Typ.) 10 ms (Typ.)
MECHANICAL SPECIFICATIONS
Key Travel .007 – .010 in .015 – .025 in .010 – .030 in
Operating Force 3 – 8 oz. 5 – 18 oz. 5 – 18 oz.
Life Expectancy 5,000,000 cycles 3,000,000 cycles 1,000,000 cycles
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature -30° to + 75° C -30° to + 65° C -20° to + 55° C
Storage Temperature -40° to + 80° C -40° to + 65° C -40° to + 80° C

QUICK QUOTE: NON-TACTILE AND TACTILE MEMBRANE SWITCHES

Membrane Switch Specification

Quantity:______ Overall Size: Length_______ Height________
Number of Switches:______
Tactile: Yes____ No____ Domes: Metal _____ Plastic______
Circuit Type: Matrix_____ Common_____
Circuit Diagram Supplied: Yes_____ No_____
Pin Out specified: Yes____ No____ Circuit Resistance__________________
Max Voltage __________at__________
Current: Number of Terminating Tail(s)_______________
Length of Tail(s)_________ Conductors Required: Yes________ No_______
Type _________ Shielding: ESD_____EMI_____RFI_____ None___________
Shielding Terminated Through: Connector______ Separate Tab _________
Mounting Plate: Yes_____ No_____ Environmental Specs_______________
Any Other Details: Yes_____ No _____ Describe _______________________

Graphic Overlay Requirements

Overall Size: Length _________ Height_________
Material: Polyester ______ Polycarbonate______ Other______
Number of Colors: _____ List of Colors: (Include Black and White) _______

________________________________________________________________

Display Window(s): Yes_____ No _____ Color(s): ______________________
Standard Texture: Velvet______ Suede ______ Matte ______ Gloss _______
UV Selective Texture: Yes ______ No ______ Explain: __________________

________________________________________________________________

Embossed: Yes ____ No ____Type of Embossing: Full Pad _____ Rim ____
Any other Requirements: Yes _____ No _____ Specify __________________

________________________________________________________________

Send us your CAD FILES, DRAWINGS, or SKETCHES to sales@northpointech.com
We can work with Gerber, DWG and DXF files. Sketches and drawings can be faxed to: 847-566-9099.
Please include your contact information so we can clarify any issues that may arrive to help us speed your membrane switch requirements along.

Our goal is to provide high quality membrane switch at affordable prices.