What is Flexible PCB ?

Flexible PCB stands for  Flexible Printed Circuit Board (FPCB)  or sometimes we just called it FPC which is made of a flexible plastic substrate, copper foil, and adhesive laminate,  with very thin and high levels of bendability, tensile strength, and physical flexibility. Its lightweight, high precision, can have multiple layers of traces, and can be used to paste wafers or SMT wafers on the board. The circuitry is usually combined with electronic components such as led, IC chips, capacitors, and resistors to make the electronic product functional. Like other PCB, Flex PCB is constantly pursuing higher line density and number of layers to improve the performance of flexible boards and reduce power

flexible pcb

Benefits of Flexible PCB

Saving Space. Flexible PCB can be bent and concave and are thin, so they are often used for connections where there is less space and the components are more. Its’ design requires only about 10 percent of the space and weight of an ordinary circuit board assembly, offering greater installation and packaging freedom. 

 Maximum Reliability & Durability. Flex PCB requires fewer interconnects, which in turn requires fewer contact crimps, connectors, and solder joints. It can move and flex up to 500 million times without failure. It does not contain as many potential sources of failure, which enhances its reliability, and durability

Enhanced Capabilities. They are compatible with virtually any type of connector or component and work well with options such as a ZIP connector. The thermal stability of Polyimide flex materials is performing extremely well in very high temperatures, they also offer superior resistance to oils, radiation, and chemicals.

• Cost Savings. It reduced material and packaging demands, lower parts replacement costs, and assembly errors that could result in the need for repairs. 

Types of Flex PCB

Single-sided: basic types of flexible boards, consisting of a conductor layer coated with a bonding layer, followed by a dielectric layer. Advantages include an easy manufacturing process and lower prices. 

Double-sided: A double-sided substrate is used to form the circuit, and after the circuit is formed on both sides, a covering film is added to each side. the Main Benefits of double Flex PCBs is more flexibility in design, space-saving and double-sided soldering

Multilayer FPC: Mainly made up of single or double panels, and drilled to allow the conductive layers to pass through, increasing the density of the circuit and improving reliability. Enables more compact package more flexible in 3D designs with PTH, blind, and buried vias.

Rigid-Flex PCB:  FPC is pressed together in series between two rigid PCBs to form as one printed circuit board, which is called a Rigid-flex PCB. Most rigid-flex circuit boards consist of multiple layers of flexible circuit substrates attached to rigid boards externally and/or internally. The flexible substrates are designed to be in a constant state of flex, and are usually formed in a flexed curve during manufacturing or installation. This is dependent upon the design of the application.

Flexible PCB Structure

fpcsinglesided1
Single Sided Flex PCB
fpc multilayer structure
Double Sided Flex PCB
fpc multilayer structure
Multi-Layer Flex PCB

Application of Flexible PCB

FPC has a wide range of applications, technology products are used wherever they are found with downstream end-products including smartphones, tablets, computers, medical, wearable devices, other consumer electronics, automotive electronics, and the military industries. FPC is becoming more important as modern products become thinner and shorter.

MKS STANDARD FPC

 TYPE

Prototypes costs CAPABILITYDELIVERY

official quotation is available on customers’ spec. & drawings

Contacts:

TEL: 02-22679000 #604

Email:mks@mks.com.tw

Single Sided 

US$250~

Min Width/Spacing 2.5mil

6 work days~

Double Sided 

US$350~

Min Width/Spacing 3.5mil

7 work days~

Multi Layer 

according to customers’ drawing files

Min Width/Spacing 4mil

according to  customers’ drawing files

Rigid-Flex 

according to customers’ drawing files

Min Width/Spacing 4mil

according to customers’ drawing files

Special Treatments

Tin – Plating, Nickel, Gold, EN IG, OSP/ Impedance control / EMI shield

S.M.T for all kinds of active and passive components, including LED, Resistor, Diode, etc.

Certification

ISO 9001 / IATF16949 / ISO14001 / UL 94V-0

fpc+rubberblack
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Rigid Flex PCB with USB
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flex pcb with metal dome
fpc 3d
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FPC COMBINE4
flexible printed circuited board
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