China Customized Flex PCB Manufacturers Suppliers Factory - Made in China

Your Professional Flex PCB Supplier!

Founded in 2015, Changsha Nord-Tec Technology Co., Limited (CSNT) specializes in printed circuit design, low- to medium-volume production, and assembly. CSNT offers complete solutions for small- to medium-volume contract manufacturing services, encompassing everything from PCB fabrication, PCB assembly, cable harnessing, and complete box assembly, as well as supply chain management.

Medical Sensor FPC
CSNT Technology offers top-notch Interdigital Electrode Gas Humidity Medical Sensor FPC solutions. These sophisticated Flexible Printed Circuits (FPCs) are very important parts of today's medical
Optical Module FPC
Discover how Yixin Technology's flexible PCBs (FPCs) enhance optical modules with superior signal integrity, thermal management, and compact design. Ideal for high-speed data transmission in data
Hair Growth Cap FPC
The Hair Growth Cap FPC is an important part of modern wearable medical gadgets that are meant to help hair health. CSNT Technology develops sophisticated Flexible Printed Circuit (FPC) solutions
Flex PCB for Medical Camera
MedicaI endoscope FPCs are very important parts of current medicaI imaging machines. These fIexibIe printed circuits (FPCs) make it possibIe to construct endoscopes that are smaII and compIex. They
Chip Test Board FPC
CSNT Technology is one of the best companies that makes Chip test board FPC. These boards are very important for testing integrated circuits before they are put together to make final products. Our
Flex PCB for Appliances
The Dishwasher FPC is an important part of modern dishwashers because it lets them do a lot of electronic tasks in a little space. These flexible printed circuits let different sections of the
Smart Watch FPC
The Smart Watch FPC (Flexible Printed Circuit) is an important part of wearable technology nowadays. It makes it possible to make designs that are both complicated and little. These circuits are very
Fingerprint FPC
Fingerprint FPC (Flexible Printed Circuit) is an important part of many modern electronic gadgets, especially those that need biometric security. These circuits make it possible for fingerprint
Automotive Lighting FPC
Automotive Lighting FPCs (Flexible Printed Circuits) are becoming highly crucial in the making of new cars. They give car lighting systems more design freedom and better performance. CSNT Technology
LCD Cable FPC
CSNT TechnoIogy makes high-quaIity 7-inch LCD cabIe FPC (FIexibIe Printed Circuit) that may be used in a Iot of different eIectricaI devices. These cabIes make sure that LCD dispIays and primary NTCs
Touch Screen FPC
CSNT Technology makes high-quality TP Touch Screen FPC (Flexible Printed Circuit) solutions. These parts are necessary for connecting touch panels to the main control boards in many different types
Polyimide Flex PCB
CSNT Technology makes FPC charging cases for TWS Bluetooth headsets.These parts are necessary for modern wireless earphones to work properly.Our Bluetooth Headset Charging Case FPC makes sure that

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Why Choose Us

Patent Certificates

We are ISO 9001, ISO 14001, and UL certified.

Professional Team

Our team members possess extensive industry experience and expertise, with core members boasting over 20 years of experience. They possess a deep understanding of product quality, reliability, and rapid delivery, along with efficient execution.

Customized Services

We offer customized R&D and production services, providing comprehensive support from design and process development to large-scale production tailored to customer needs.

Advanced Equipment

We have six advanced FPC production lines. Our robust production capacity enables us to handle orders of all sizes and complexities, from prototype design to mass production.

Specification

English name	Interdigital electrode gas humidity medical sensor FPC
Serial Number	2
KW1	Advanced circuits flex pcb
KW2	Medical pcb manufacturer
KW3	Medical pcb assembly
Finished	No
Checkbox	Yes

Advantages of Flex PCB

Flexibility

These types of PCBs can be easily bent and twisted. It can thus be moved and expanded in 3D space, making it easier to integrate the component with an effective wire connection.

Lightweight

The size and weight of FPC are less as compared to rigid PCBs, which are suitable for high-reliability and high-density products.

Durability

Flex circuits are bendable up to 360 degrees. They can survive the impact of vibrations and shocks, which enhances performance in any application.

Thermal Stability

Due to thinner substrate and lightweight it can easily dissipate heat. Flex circuits can be exposed to high temperatures of up to 400°C.

Signal Integrity

It can provide high mechanical resistance and resistance to high atmospheric agents with better EMI(electromagnetic immunity).

Structure of Flex PCB

Dielectric substrate film

It can be considered the base material of PCB. The prevalent material includes polyimide(PI), characterized by high-temperature resistance.

Electric Conductors

These include traces of the circuit, copper foil is used as the surface conductor layers in the production of single/multilayer printed circuit boards.

Protective Finish

It is composed of organic film and adhesive. The function of the cover film is to protect the completed flexible circuit conductor part.

Adhesive Material

A type of sticky film has different adhesive types and thickness specifications. The sticky film is used for interlayer adhesion and insulation of multilayer boards.

Types of Flex PCB

Single sided Flex PCBs
The most common flexible printed circuit boards are single-sided flex PCBs. This flexible PCB comprises a conductive copper layer on only one side of the flexible substrate.

Double sided Flex PCBs
In contrast to single-sided flex PCBs, double-sided flex PCBs have conductive layers on both sides. This has more complex circuitry compared to single sided flex PCBs. It also has a high density in component packing. In double sided flex PCBs, the copper layers are typically connected to one another via PTH (Plate Through Holes) or vias, allowing active circuits to be created between the layers.

Multilayer Flex PCBs
Multilayer Flex circuits, which have three or more conductive layers, are manufactured by combining double and single sided Flexible structures, bonding them together using adhesive layers, and linking them using plated vias. The design of multilayer flex PCBs is more complex than double sided flex PCBs. They can include multiple conductive layers which is separated by insulating layers.

Rigid Flex PCBs
As the name suggests, a rigid flex PCB can be called by its name because of the combined features that the board provide. It has the feature of both rigid and flexible circuits which helps to create a hybrid circuit board. These kinds of circuits are created by combining flexible and rigid materials on a single board, providing a board that combines the benefits of rigid and flexible PCBs.

Sculptured Flex PCBs
Sculptured Flex technology replaces male connector pins with unsupported copper traces that protrude beyond the border of the flexible printed circuit board. The copper traces exhibit variability in thickness, with the thicker and more robust sections serving as the connecting parts, and the remaining portion of the circuit remaining sufficiently thin to allow for bends and flexes.

Materials Used for Making Flex PCB

Polyimide

Polyimide is favoured for its high thermal stability (up to 400°C), flexibility, and chemical resistance. That's why it is ideal for demanding applications such as aerospace or industrial technologies.

Polyester

Polyester is used where cost-efficiency is key. It offers sufficient flexibility and decent thermal resistance (up to 150°C) for consumer electronics. However, it's less robust than polyimide.

Adhesives

Acrylics and epoxy resins are used to bond layers together without compromising on flexibility. Adhesiveless options are also available.

Applications of Flex PCB

Consumer Electronics
Since Flex PCBs support slimmer and lighter designs, popular everyday electronic devices such as smartphones, laptops, tablets, cameras, smartwatches and fitness trackers extensively use these boards.

Automotive
In vehicles, Flex PCBs are used in lighting systems, infotainment systems, sensors etc. These boards protect the system from harsh conditions such as vibrations and temperature fluctuations, which are common in automotive environments.

Medical Devices
Medical devices such as pacemakers, portable medical monitoring devices, and advanced prosthetics are required to be lightweight. Flex PCBs provide reliability and comfort in such applications.

Aerospace
High-frequency PCB can be found in instruments, control systems, and interior lighting solutions in aircraft and spacecraft. Their durability to withstand extreme environmental conditions makes them ideal for aerospace applications.

Industrial
Flex PCBs show flexibility to fit into complex designs and durability in industrial environments making them suitable for robotics, control systems, sensors etc.

Services for Customization and OEM/ODM

We offer a fuII range of OEM and ODM services. We begin by using your design fiIes or heIping you improve your FPC design for manufacturabiIity (DFM). Our engineers can heIp you choose the right materiaIs, stack them in the right way, and route the traces to get the best performance and cost-effectiveness.

We Have a Iot of Ways to Customize

Complex Shapes and Outlines

You can cut FPCs into aImost any shape to meet the hair growth cap's curves.

Choosing the Right Material

Based on how fIexibIe, heat-resistant, and biocompatibIe (if needed for parts that touch skin) the materiaI needs to be.

Different Uses for Stiffeners

To hoId connectors or parts in pIace in certain pIaces.

Surface Finish Options

ENIG is one option that works weII for soIdering and Iasts a Iong time.

Integration of Specialized Components

Making room for different kinds of LEDs, sensors, and connectors.

Packaging and Shipping

Packaging	In anti-static bag, paper box
Transportation methods	Road transport, rail transport, sea transport, air transport

FAQ

Q: What is a flex PCB?

A: Flex PCBs are multilayer circuit boards used in electronic devices. Unlike traditional rigid PCBs, which are fixated on a stiff base, these modern PCBs use malleable materials like polyimide, polyester, or other polymers. It allows the Flex PCBs to bend smoothly, without breaking.

Q: Where are Flex PCBs used?

A: The qualities of Flex PCB meet the trend of multifunctional, miniaturized, and portable electronics. Therefore, it is widely used in PC and peripheral products, automotive electronics, medical equipment, communication products, consumer electronics, and other fields.

Q: When to use flex PCB?

A: Flexible circuits are ideal for medical devices, implants, sensors, and mobile consumer electronics because they fit where space and/or weight is limited. Flexible circuitry is the preferred and recommended solution for products that require: Wiring solutions that fit where rigid boards cannot.

Q: How are Flex PCBs manufactured?

A: On the copper foil line, we press the copper foil to be in the required thickness. On the other line, we brush the PI film with adhesive and laminate them at high temperatures and pressures to form the coverlay, which plays the same function as the PCB solder mask.

We're professional flex PCB manufacturers and suppliers in China, specialized in providing high quality customized products. Please feel free to buy high-grade flex PCB in stock here from our factory.

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