Flexible Circuits

Applications

1. Mobile

2. Automatic doors

3. LED lighting systems

4. Automotive

5. Aerospace

6. RF-microwave

Flexible Circuits are made from materials allowing for a non-planar positioning within the end product. Typical materials are polyimide-based, and can go under trade names such as Kapton (DuPont).

Applications for Flex circuits include products featuring repeated flex cycles (cellular phones, automatic doors).

They are also being used as connectors for LED-based lighting systems. Often, there are two components:

Metal substrate LED PCB
FR-4 based digital driver PCB

These two devices are often connected with a high profile and sometimes costly connector cable; however, a flexible PCB provides a lower profile, slimmer design, and higher reliability.

Sample Boards

To view examples of this technology, scroll down and mouseover thumbnail images.

Mouse over pictures below to see description

Flexible Printed Circuit Sample Boards

Click the enlarged version of the board you are interested in or scroll down and choose from the links below.

Medical Flex Circuit
medical-fpc

Flex Board with stiffener for added flex component support.
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Flexible LED PCB

al-stiffener_flex-led

Flex Circuit with 0.030" non-continuous aluminum stiffener heatsinks.
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Long Cable HDI

Flexible Circuit with 16" long cable and blind microvia.
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Stiffeners for Handling

stiffener-tabs-handling

Flex Board with partially-attached stiffener tabs for handling.
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HDI Long Cable
hdi-fpc-cable

Flexible Circuit with blind microvia; 0.004" thickness.
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Small Flex Board

enig-finish-flex

Flex Circuit with ENIG finish.
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Commercial Flex Board

double-side-flex-circuit

Flex with overhanging / midpoint stiffeners.
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