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Rigid PCB

Rigid PCB


Rigid PCBs are widely used and are made of a solid substrate material, which ensures that the circuit board is not distorted. Rigid PCBs, which range from single layer to multilayer, are useful where they need to be established in shape and maintained over the life of the device. Because of their small size and ease of maintenance, they are suited for use in a wide range of applications where components must be fastened and there is application stress as well as increased temperatures.


The Advantages of Rigid PCB

  • Compact Size: The compact size of a rigid PCB is a significant advantage. It is known to take up less space, and with miniaturization on the rise, the significance of these PCBs cannot be emphasized.
  • Low Electronic Noise: Rigid PCBs have been shown to reduce electronic noise. This is made feasible by the way electronic components are put together to limit current flow between them. This also prevents the PCB from picking up electromagnetic waves and lowers crosstalk.
  • Immunity to Movement: When solder flux is applied to secure components to the board, they do not move even when exposed to hostile environments.
  • Repairability: These PCBs are easily repairable. The assembly method is also pretty simple.


GESP  Rigid PCB Capability

Layer Count
Final Thickness
0.0024″ – 0.16″ (0.06-4.0mm)
Surface Treatment
Lead-free: ENG Gold; OSP, Immersion silver, Immersion Tin
Max / Min Board Size
Min: 0.2″x0.3″  Max: 20.5″x13″
Min Trace Width
Min Clearance Inner
0.5oz: 4/4mil
1oz: 5/5mil
2oz: 5/7mil
Min Trace Width
Min Clearance Outer
1/3oz-0.5oz: 4/4mil
1oz: 5/5mil
2oz: 5/7mil
Min Hole Ring Inner
0.5oz: 4mil
1oz: 5mil
2oz: 7mil
Copper Thickness
1/3oz – 2oz
Max / Min Insulation Thickness
2mil/0.5mil (50um/12.7um)
Min Hole Size&Tolerance
Min hole: 8mil
Tolerance: PTH±3mil, NPTH±2mil
Min Slot
24mil x 35mil (0.6×0.9mm)
Silkscreen Line Width
Gold Plating
Nickel: 100u” – 200u”
Gold: 1u”-4u”
Immersion Nickel / Gold
Nickel: 100u” – 200u”
Gold: 1u”-5u”
Immersion Silver
Silver: 6u” – 12u”
Film: 8u” – 20u”
Test Voltage
Testing Fixture: 50-300V
Profile Tolerance of Punch
Accurate mould: ±2mil
Ordinary mould: ±4mil
Knife mould: ±8mil
Hand-Cut: ±15mil


Rigid PCBs Fabrication Applications

Rigid-Flex PCBs offer a wide array of applications, ranging from smart devices to cell phones and digital cameras. Increasingly, rigid-flex board fabrication has been used in medical devices such as pacemakers for their space and weight reduction capabilities. The same advantages for rigid-flex PCB usage can be applied to smart control systems.

In consumer products, Rigid-Flex doesn’t just maximize space and weight but greatly improves reliability, eliminating many needs for solder joints and delicate, fragile wiring that are prone to connection issues. These are just some examples, but Rigid-Flex PCBs can be used to benefit nearly all advanced electrical applications including testing equipment, tools, and automobiles.



Industrial Electronics

Rigid PCBs find wide use industrial electronics and automation applications such as robotics, pick and place equipment and more.

Medical Equipment

  1. In large sized, non-portable medical equipment, rigid PCBs find widespread use. 
    Rigid PCBs find use in:
    AC/DC power converters
    Electronic Computer Units (ECUs)
    Transmission sensors, and more.
    Rigid PCBs are used here on account of their high temperature environments. Some of the areas where they find application include:
    Cockpit Instrumentation
    Temperature Sensors, and more.

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