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JingHongYi PCB (HK) Co., Limited

Double Sided Flex PCB
Double Sided Flex PCB

Double Sided Flex PCB

Fizetési mód: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Sorrend: 1 Piece/Pieces

Kosárba helyez

Alapinformáció

    Application: Consumer Electronics

    Finished Copper Thickness: 1 Oz

    Surface Finish: ENIG 1u"

    Solder Mask Color: Yellow

    Board Thickness: 0.15mm±0.03mm

    Layers: 2 Layer

    Base Material: Copper

    Mechanical Rigid: Flexible

    Material: Shengyi PI

Additional Info

    Csomagolás: Vaccum Package

    Termelékenység: 10000

    Márka: JHY PCB

    Szállítás: Ocean,Air

    Származási hely: China

    Bizonyítvány: ISO9001

termékleírás

Double Sided Flex PCB

A double sided flex circuit Board is a circuit having two conductive layers, one on each side of the base layer of polyimide within the circuit. Trace patterns, specific to your needs, can be created on both sides of the substrate film and can be connected where desired with copper plated through-holes. The plated through holes make electrical connections between the two layers.

The Advantages of Flexible Circuit Board

As a connective device, the primary benefits of flexible circuits compared to traditional cabling and rigid boards 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
There are many benefits to Flexible Printed Circuits including:

Assembly Error Reduction – With accurate designs and automated production, flex circuits eliminate human errors once involved in hand-built wire harnesses. With the exception of production-induced errors, circuits are ONLY routed to those points called for by the accurate design plan.

Decreased Assembly Time and Costs – Flex circuits require less manual labor during assembly and reduce production errors. Flex circuits have an intrinsic ability to integrate form, fit and function. Flex circuits eliminate the high cost of routing, wrapping and soldering wires. Complete interconnection systems are installed or replaced, rather than individual hard PC boards. As a result, wiring errors are eliminated and hence manufacturing costs are reduced. Whether it is a low volume production with a complex circuit or high volume production with a simple circuit, assembly time and costs are decreased.

Design Freedom – Unlike rigid boards, flex circuits are not restricted to two dimensions. Because they are as flexible as wires or ribbon cables, flex circuit design options are endless. At Flexible Circuit, we pride ourselves on taking on the most complex of design challenges. Flex circuits can be designed to meet highly complex and unimaginable configurations while being able to operate in the most hostile environments. Flex circuit designs could entail any of the following:
  • Highly complex configurations
  • Withstand hostile operating environments
  • Single- Double- combinations
  • Complex interconnections
  • Shielding
  • Rigid/flex capabilities
  • Surface mounted devices
Flexibility during Installation – Flexible Circuits allow a third dimension to work with because they can interconnect between two or more planes during execution. As a result, they solve space and weight problems unmatched by rigid boards. Flex circuits can be manipulated many times during installation and execution without electronic failure.

High Density Applications – Flexible circuits allow for minutely narrow lines giving way to high density device population. Denser device populations and lighter conductors can be designed into a product, freeing space for additional product features.

Improved Airflow – Because of their streamlined design, flex circuits allow for the flow of cooling air through an electronic application.

Increased Heat Dissipation – Due to the larger surface-to-volume ratio and compact design of flexible circuits, a shorter thermal path is allowed. Further, the thinner design of flex circuits allows for heat dissipation from both sides of the circuit.

Increased System Reliability – In the past, most circuit failures occurred at an interconnection point. Flex circuits can be designed so that interconnections are reduced, which in turn, increases the reliability of a circuit.

Point-to-Point Wire Replacement – Depending on the number of point-to-point connections in a circuit design, at Flexible Circuit, we guarantee that we can design and build a single flex circuit that can eliminate many (if not all) of those interconnections. At Flexible Circuit, [We Go Where Others Will Not."

Reliability and Durability – A flexible circuit can move and flex up to 500 million times without a failure, in designs that have moving parts. The exceptional thermal stability of polyimide also allows the circuit to withstand applications with extreme heat. The thermal stability of polyimide provides a better base for surface mounting than hard boards. Because the compliant base film places less stress on soldered joints, a thermal mismatch is less likely to occur.

Repeatable Routings – Our circuits are made from precise replicas of artwork for superior manufacturing consistency. The etched circuits replace the solder and hand wiring connections of the rigid board, completely eliminating wiring errors.

Simplified Circuit Geometry – Flexible Circuit Technologies places surface mount electronics directly onto the circuit which results in streamlining the overall design. Intricate patterns that were nearly impossible to achieve with rigid boards are made easily in flex circuits.

Package Size and Weight Reduction – Multiple systems in rigid boards create more weight and utilize more space. Flex circuits contain the thinnest dielectric substrates available. Thinness allows for a more streamlined design, eliminating the need for bulky rigid boards. The elasticity and flexibility allow package size reduction. In addition to package size reduction, package weight reduction is another benefit. With the ever increasing demands of the electronics industries, weight reduction keeps flex circuits very competitive.

Applications of Flexible Circuit Board

Prior to designing a circuit, there are two fundamental structural applications that must be understood and dictate conductor selection:

Static Application – An application where flexible circuits are flexed only to install the circuit and fit it into its application (also known as flex-to-fit or flex-to-install). A static application will typically be made using the less expensive Electro Deposited (ED) copper.

Dynamic Flexing Applications – A situation where the flexible circuit itself is dynamically (repeatedly) flexed during the actual use of the final product. Common examples include flip-type cell phones, laptops, printer heads and robotic arms. A dynamic application will require the use of Rolled Annealed (RA) copper.

The benefits of flexible circuits are realized in most applications requiring high volume flexing and/or a high degree of accuracy. Some common applications include:
  1. Air bag systems
  2. Automotive engine controls
  3. Antilock brakes
  4. Avionics
  5. Bar code equipment
  6. Battery packs
  7. Calculators
  8. Cameras
  9. Cell phones
  10. Heart monitors and pacemakers
  11. Fuel pumps
  12. Hearing aids
  13. Printers
  14. Motion systems
  15. GPS systems
  16. Satellites
Flexible PCB manufacturing Capabilities

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


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 
Gold fingers 
Stiffener (only for PI/FR4 substrate)
Impedance Control+/-10%
Rigid Flex PCB

Material for Manufacturing Flexible Double Board

Conductors – Copper is the most widely used conductor and comes in various thicknesses to meet each customer`s requirements. Conductor options include:
  • Rolled annealed (RA) copper
  • Electro deposited (ED) copper
  • Aluminum
  • Carbon
  • Silver ink
  • Inconel®
  • Constantan
Advanced Features for Flexible PCB

As the flex circuit market continues to expand, there have been many advances in technology including:

Heat Sinks – Heat sinks can be laminated to flex circuits to dissipate heat away from sensitive components such as LEDs.

Component Assembly –We offer through hole and surface mount capabilities, as well as in circuit testing, conformal coating, and electrostatic protective packaging.

Controlled Impedance – With increasing signal switching speeds, engineers need to understand and control the impedance of traces. With short signal transition times and high clock rates of modern digital circuitry, traces need to be considered transmission lines instead of simple interconnections. With today`s higher speed requirements, controlled impedance traces are designed to minimize electrical reflections and ensure an error free transition between the track and interconnections. If perfectly optimized, controlled impedance allows control of the physical dimensions and material of the cable. Controlled impedance signal transmission requires flexible circuit materials to be uniform in both thickness and electrical properties. At Flexible Circuit Technologies, we have extensive experience in designing and manufacturing flex circuits with controlled impedance.

Crimp Pins – Crimp Pins are mechanically attached a circuit to allow for soldered connections.

Graphic Overlays – Graphic Overlays can be placed over flexible circuits, rigid boards or membrane switches. The overlays provide the user interface with the underlying circuit and typically are used in conjunction with LEDs, LCD displays or dome switches mounted on thie circuits. The overlays are made from polycarbonate, polyester or acrylic materials.

Laser Skived Slots and Holes – Historically, X-acto knives or razor blades were utilized to cut intricate areas of a flex circuit, the successful yield of which depended on the skill of the operator. FCT has dramatically improved this process by utilizing a top-of-the-line laser beam with extremely precise depth control to accurately cut the underlying substrate of a flex circuit. Precise laser beams can skive circuit openings with the utmost precision.

Overmolding – Overmolding is the process by which FCT embeds electronics versus simply placing electronics on the circuit. As electronic devices and required interconnections become more compact, embedding electronic circuitry within the cable assembly is a cost effective alternative to on-board electronics. Most often referred to as smart cables or dongles, these embedded devices can solve many packaging challenges.

Panelization – During the panelization process a stiffener is applied to the boundaries of multiple circuits on a panel so that they can be easily processed through the [pick & place" and wave soldering processes. Once the panel of circuit boards is done, simply clip them out and they are ready to go.

Pressure Sensitive Adhesives (PSAs) – PSAs with a release liner are used in applications where a portion(s) of the circuit needs to be secured to a specific location within the final product. During assembly, the release liner is peeled away and the exposed adhesive allows the assembler to press the circuit into place and keep it there.

Sculptured Flex Circuits – Sculptured flex circuits are special in that the copper conductors vary in depth and thickness in different places. The copper is thin at the most flexible part of the circuit and thick at the interconnection point. Sculptured flex circuits allow for bare metal connections (like a plug in) and remain strong at the solder joint formation. Sculptured fingers provide a more reliable alternative to mechanically fastened crimp pins.

Shielding – Shielding is applied when an application requires limits in electromagnetic and/or electrostatic interference. Protective shielding can be patterned or solid. Either way, it reduces noise and controls impedance of signal lines.

Stiffeners – Stiffeners are applied to flex circuits where additional support is needed such as areas of component assembly or underneath exposed traces that will be plugged in for connection. Common stiffeners are FR4 and polyimide.

Wire Assembly – In certain applications a combination of flex or rigid circuit with traditional wire may be a more economical design that still meets the needs of the customer`s subassembly. At Flexible Circuit Technologies, we have the capabilities to design, source, manufacture and assemble the entire subassembly incorporating the circuit, wiring and components. This level of capabilities and commitment is what differentiates us from other flex circuit suppliers.

Flexible Heaters – Flexible heaters are thin, bendable heating elements, shaped to fit your unique heating equipment needs.

Hot Bar Solder – Hot bar solder connection is a way to eliminate a connector set between the hardboard and the flex circuit. This connection provides an efficient, durable and less expensive alternative to a standard connector set.

Double Sided Flexible PCB Stack Up



Layering or [stack-up


Layering or [stack-up" of a single sided flex circuit


Single Sided Flex Circuit with Dual Access


Single Sided Flex Circuit with Dual Access


The basic stack-up of a double sided circuit with a PSA based stiffener


The basic stack-up of a double sided circuit with a PSA based stiffener


Example stack-up of a four layer flex circuit


Example stack-up of a four layer flex circuit


Four-layer combination rigid flex circuit has four conductive copper layers. Typically, a four-layer has two flexible layers and two rigid layers.


Four-layer combination rigid flex circuit has four conductive copper layers. Typically, a four-layer has two flexible layers and two rigid layers.


termék kategóriák : Flexible PCB

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