When to Choose Rigid Circuit vs. Flex Circuit Boards

- Jun 16, 2019-


Rigid circuit boards remain the most common form of Printed Circuit manufacture. However, as consumer need for smaller sized tools increases, producers and designers are face with the challenge of making it possible for boosted efficiency in smaller as well as smaller sized form aspects to fulfill consumer choices. This proceeded drive to smaller sized, faster, affordable is a prominent consider the boosted application of flexible circuit remedies.


Flexible circuits are excellent for medical tools, implants, sensing units, as well as mobile consumer electronic devices because they fit where space and/or weight is restricted. Flexible circuitry is the recommended and advised option for products that need:


  • Circuitry services that fit where rigid boards can not.

  • Thin, lightweight products that are long lasting.

  • Miniaturized versions of existing modern technologies.

  • Three-dimensional packaging geometry.

  • A reduced variety of tool interconnects.

  • Shock and vibration resistance.

  • Flex-circuits support the reduction of an application's size as well as weight; as well as are suitable for heat and high-density applications.


High Temperature and High-Density Applications.

Flex circuits are chosen by engineers for industrial and also manufacturing applications due to the fact that they are little and also sturdy, with the ability of withstanding direct exposure to high warmth and also immune to chemicals, radiation and UV exposure. Flex circuits are normally made of polyimide or a similar polymer, that dissipates warm far better than the products utilized to compose rigid circuit boards. The polyimide or polymer variant enables the flex-circuit to be placed in products that experience severe problems without a negative impact on the item's performance. For instance, industrial sensor technologies.


Will Flex Circuits replace rigid circuit boards for all applications?

No, while flexible circuit boards serve and give an array of application uses, they will not change rigid circuit boards.


The costs associated with the performance of implementing a solely flexible circuit board design in a consumer item can be high for the maker, trickling down to the customer. Rigid circuit boards are less costly to make and install (when making use of a typical automated high-volume making center).


A majority of ingenious items include flexible wiring when required, as well as utilize strong, dependable rigid circuit boards where possible to maintain production and setting up costs down.


Some producers, like XPCB utilize hybrid rigid-flex PCB boards, PCB maker makes rigid circuit boards attached to one other utilizing ribbon-like flexible circuits. Rigid-flex circuit boards can be intensified as well as made to satisfy any variety of design requirements by focusing on the particular toughness of each circuit board base modern technology. These boards are commonly utilized in the medical equipment, industrial control and other high integrity products.