User Interface Data Requirements

When it comes to any human-machine interface product, there is a minimum amount of data requirements that are needed. This will help provide you with an accurate quote and proposal that outlines all the specific requirements that are needed for your design.

Our Engineering team will perform a full design review to ensure there are no manufacturing issues before production is started.


SMART User Interfaces

  • Product drawing (File formats: .PDF, .DWG, .DXF)
    • Product drawing should include:
      • Mechanical dimensions of finished part
      • Dimensions of display viewing area
      • Overlay material and finish
      • Color specifications (Pantone Matching System preferred)
      • Type of switch (non-tactile, tactile with metal domes, capacitive touch)
      • Embossing requirements (type and location)
        • Rim emboss
        • Pillow emboss
      • Tail exit location
      • Tail length
      • Tail termination method:
        • ZIF
        • Female connector
        • Solder tabs
      • Tail pitch
      • LED color specifications
      • Backlighting requirements (if required)
      • Shielding requirements (if required)
      • Environmental/sealing requirements (IP rating, UV protection, etc.)
      • Mounting method (studs, rear adhesive, etc.)
    • Graphic overlay artwork (.AI preferred; .DWG, .DXF is acceptable)
    • Schematic (File formats: .PDF, .DWG, .DXF)
    • Requirements document (.PDF)
      • Provide a block diagram for all electrical I/O
      • List any quality, testing, and certification requirements
      • Power Requirements:
        • Available Voltage(s)
        • Available Current
        • Maximum Power Allowed
        • AC or DC
      • Define electrical signals for all I/O:
        • Analog signal interface (quantity, amplitude ranges)
        • Digital signal interface (formats/data rates, etc.)
        • Data presentation accuracy/tolerance (describe all signals that will require processing to a specific level of accuracy)
        • Non-volatile data retention required? (save captured data for analysis, etc.)
        • Define electrical communications protocols, if necessary (USB, RS232, etc.)
        • Expected throughput (system update speeds, etc.)

Membrane Switches

  • Product drawing (File formats: .PDF, .DWG, .DXF)
    • Product drawing should include:
      • Mechanical dimensions of finished part
      • Overlay material and finish
      • Color specifications (Pantone Matching System preferred)
      • Type of switch (non-tactile or tactile with metal domes)
      • Tail exit location
      • Tail length
      • Tail termination method:
        • ZIF
        • Female connector
        • Solder tabs
      • Tail pitch
      • Pinout and PIN 1 location
      • Embossing requirements (type and location)
        • Rim emboss
        • Pillow emboss
      • LED color specifications
      • Backlighting requirements (if required)
      • Shielding requirements (if required)
      • Environmental/sealing requirements (IP rating, UV protection, etc)
  • Graphic overlay artwork (.AI preferred; .DWG, .DXF is acceptable)

Silicone Rubber Keypads

  • 3D CAD file (File format: .STEP, .IGS, .SLDPRT (SolidWorks 2016))
  • Product drawing (File format: .PDF, .DWG, .DXF)
    • Product drawing should include:
      • All critical mechanical dimensions for inspection
      • Durometer specification (Shore A)
      • Color specifications (Pantone Matching System preferred)
      • Type of switch (carbon pill or metal domes)
      • Switch actuation force
      • Circuit material
        • Rigid printed circuit board
        • Polyimide flex printed circuit
        • Polyester circuit with silver conductive ink
      • Interface method (SMT connector or tail)
        • Tail length
        • Tail termination method
          • ZIF
          • Female connector
          • Solder tabs
        • Tail pitch (if required)
        • Pinout and PIN 1 location
      • Backlighting requirements (if required)
      • Shielding requirements (if required)
      • Environmental/sealing requirements (IP rating, UV protection, etc)
  • Key top artwork (.AI preferred; .DWG, .DXF is acceptable)

Graphic Overlays

  • Product drawing (File formats: .PDF, .DWG, .DXF)
    • Product drawing should include:
      • Mechanical dimensions of finished part
      • Overlay material and finish
      • Color specifications (Pantone Matching System preferred)
      • Embossing requirements (type and location)
        • Rim emboss
        • Pillow emboss
      • Rear adhesive requirements
  • Graphic overlay artwork (.AI preferred; .DWG, .DXF is acceptable)
Celebrating 65 Years of Manufacturing Excellence  Learn More →
America's Oldest. A History of Innovation.

Today at Epec, the customer comes first, and everything we do must be put through that filter. Whether it is developing e-commerce platforms to make it easier to work with us, or creating a NPI (new product introduction) process that helps our customers get to market faster, or the other 10 new projects we have in process, we must focus on building the new. By doing that every day, and by always making the customer our top priority, we plan on being here for another 65 years and then some.

Learn more about our 65 year story →



Celebrating 65 Years - Epec Engineered Technologies