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JingHongYi PCB (HK) Co., Limited

Flexible PCB Manufacturing Capability
Flexible PCB Manufacturing Capability

Flexible circuits (also variously referred to around the globe as flex circuits, flexible printed circuit boards, flex print, flexi-circuits) are members of electronic and interconnection family. They consist of a thin insulating polymer film having conductive circuit patterns affixed thereto and typically supplied with a thin polymer coating to protect the conductor circuits. The technology has been used for interconnecting electronic devices since the 1950s in one form or another. It is now one of the most important interconnection technologies in use for the manufacture of many of today's most advanced electronic products.

In practice, there are many different kinds of flexible circuits, including one metal layer, double-sided, multilayer and rigid flex circuits. The circuits can be formed by etching metal foil cladding (normally of copper) from polymer bases, plating metal or printing of conductive inks among other processes. Flexible circuits may or may not have components attached. When components are attached, they are considered by some in the industry to be flexible electronic assemblies.


Flexible PCB | PCB manufacturing
A Flex PCB or FPCB is a patterned arrangement of printed circuitry and components that utilize flexible based material with or without flexible overlay. These flexible electronic assemblies may be fabricated using the same components used for rigid printed circuit boards, but allowing the board to conform to the desired shape (flex) during its application.

Flexible PCB Advantages

There are many advantages that come with using flexible circuit technology beyond the initial flex capabilities. Performance advantages, such as, dynamic flexing and increased heat dissipation allow engineers to design these circuits into applications where extreme temperatures and vibrations are common. Other advantages with using flexible circuits include less weight, increased package density, and more integrated design. Flexible circuits can cost less than traditional assemblies because one flex assembly can replace several, single circuits.

Flex circuits also allow design engineers to utilize space three-dimensionally which cuts down on the overall footprint of the circuit and saves space.

The primary benefits of flexible circuits compared to traditional cabling and rigid boards include the following benefits listed below.

Flex boards benefit also include:
  • Reduced wiring errors
  • Elimination of mechanical connectors
  • Unparalleled design flexibility
  • Higher circuit density
  • More robust operating temperature range
  • Stronger signal quality
  • Improved reliability and impedance control
  • Size and weight reduction
Flexible PCB Applications

Applications of flexible circuits range in a variety of fields. Flexible circuits are used in cell phones, LCD televisions, antennas, and laptops. Flexible circuits have evolved and help provide durability and reliability. Flexible circuits are also used in the aviation field. Other applications of flexible circuits are in hearing aids, calculators, cameras, printers, and in satellites.

FPCBs are used widely in everyday technology and electronics in addition to high-end, complex completed components. A few of the most prominent examples of flexible circuits usage is in modern portable electronics, devices, hard disk drives.

Flexible circuits are also used extensively in other applications and industries including:
  • Communications
  • Consumer Electronics
  • Automotive
  • Medical
  • Industrial
  • Aerospace
  • Military
  • Transportation
In transportation, they are extensively used due to their improved resistance to vibrations and movement.

Our Capabilities

Learn more about JHY PCB by exploring the manufacturing capability of Flexible PCB below. We can do more than you can imagine.


Gold fingers Stiffene
Items Manufacturing Capability
PCB Layers 1 - 8layers
Laminate DuPont PI, Shengyi PI
Maximum PCB Size(Length x Width) Single Sided PCB 480*4000mm
Double Sided PCB 480*1800mm
Multilayers 236*600mm
Minimum Board Thickness Single Sided PCB 0.05mm+/-0.02mm
Double Sided PCB 0.08mm+/-0.02mm
Multilayers As per Gerber
Finished Board Thickness 1-6L 0.05mm-0.6mm
8L 1.6mm
Min Tracing/Spacing Copper Thickness 1/3 oz: 0.076mm/0.076mm (1-6L)
0.05mm/0.05mm (8L)
Copper Thickness 1/2 oz: 0.076mm/0.076mm (1-6L)
0.06mm/0.06mm (8L)
Copper Thickness 1oz: 0.1mm/0.1mm (1-6L)
0.065mm/0.065mm (8L)
Min. Annular Ring 4mil
Minimum Hole Size 1-6L 0.2mm(8mil) (CNC)
8L 0.15mm(CNC)
Solder Mask Color Green, White, Blue, Black, Red, Yellow
Solder-stop coating---Coverlay PI and PET film
Silkscreen Color White, Black, Yellow
Surface Finish OSP
e HASL
ENIG(Electroless NickLead-Freeion Gold) Ni thickness:2-6um
Au thickness:0.025-0.05um
Flash Gold Ni thickness:2-8um
Au thickness:0.025-0.15um
Immersion Tin Tin thickness:0.5-1um
PlatingTin Tin thickness:1-10um
Laser cuPunching
Special technologies Peelable solder mask
r (only for The stiffenerbstrate)
Impedance Control+/-10%
Rigid Flex PCB

We can turn your flexible PCB manufacturing order in as quick as you wish.

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