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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.

FPC Capability

Advantages

(1) It can be freely bent, wound, folded, can be arranged arbitrarily according to the spatial layout requirements, and can be arbitrarily moved and expanded in three-dimensional space, thereby achieving integration of component assembly and wire connection.

(2) The use of FPC can greatly reduce the size and weight of electronic products, and is suitable for the development of electronic products in the direction of high density, miniaturization, and high reliability. Therefore, FPC has been widely used in aerospace, military, mobile communications, laptop computers, computer peripherals, PDA, digital cameras and other fields or products.

(3) FPC also has the advantages of good heat dissipation and solderability, easy assembly, and low cost. The design of soft and hard combination makes up for the slight shortage of flexible substrate in the bearing capacity of components.

Thsse benefits make flex PCBs ideally fit for a wide range of applications in industries such as Military, Transportation, Medical, Consumer Electronics, Automotive, Aerospace, Communications and Industrial.

The Basic Structure of FPCB

Based on the analysis of the basic structure of the FPCB, it is found that the materials that make up the FPCB are insulating substrate, adhesive, metal conductive layer (copper foil) and covering layer.

1 Copper Film

(1) Copper foil: basically divided into the electrolytic copper and the rolled copper. The common thickness is 1oz 1/2oz and 1/3oz.

(2) Substrate film: the common thickness is 1mil and 1/2mil

(3) Glue (adhesive): the thickness is determined according to the requirements of the customer.

2 Cover Film

(1) Cover Film: for surface insulation. The common thickness is 1 mil and 1/2 mil.

(2) Glue (adhesive): the thickness is determined according to the requirements of the customer.

(3) Release paper: avoid the adhesive adhering to foreign objects before pressing, and make it easy to operate.

3 PI Stiffener Film

(1) PI Stiffener Film: stiffener the mechanical strength of FPC to facilitate surface mounting operation. The common thickness ranges from 3 mil to 9 mil.

(2 )Glue (adhesive): the thickness is determined according to the requirements of the customer.

(3) EMI: electromagnetic shielding film, which protects the circuit board from external interference (strong electromagnetic area or susceptible area).

In 2019, YDY Technology marked our 20th anniversary of providing high quality PCB and PCBA service to the electronics industry. YDY has professional team to offer flexible one stop solution for your PCBA projects, including PCB design, components procurement, PCB Assembly, Box building, functional test.Over the course of our 20+ years in business we have successfully produced millions of pcbs and processed hundreds of thousands of orders.

The electronic manufacture service is truly a detail intensive business that requires a huge commitment to quality, service and delivery. YDY provide PCB and PCBA with high-precision and have earned our company an excellent reputation for consistent quality, on-time delivery, and exceptional service.We are proud of the fact that we have created true lasting partnerships with our customers. It is a core value of our company and a key ingredient of what makes us successful in what we do.Choosing YDY Technology, you will save much time in your work and project!

YDY is a first-class manufacturer that could provide a full service Electronic Manufacturing Services (EMS) provider.

We offer complete end to end manufacturing solutions，full turnkey contract included custom design, PCB prototype, PCB, PCBA , high-level PCB Assembly, system level testing, accessories and cables, plastic enclosure,packaging.box building and ect.

We manufactured include: from simple single sided PCB, double-sided PCB to complex multilayer PCB up to 30 layers, Metal core PCB, Flexible PCB, Rigid-flex PCB, HDI PCB, Microwave RF PCB and so on, the pcb assembly service we offer based on our assembly plant include: SMT, thru-hole, combo of SMT and thru-hole, consigned pcb assembly, partial consigned pcb assembly and full turnkey pcb assembly.

YDY specializes in high-quality, low-to-medium volume builds for clients all over the world including North and South America, Europe, Australia and Asia.

The key markets the company serve include security, power supply & control, telecommunication， industrial control, automotive electronics, medical and healthcare.

We have many experiences to developed smart watches，single screen/dual screen cash register, smart face-sweeping cash register, dual-screen integrated cash register, receipt printer, barcode scanner, payment scanning box, smart cash box, self-service electric stove control system, smart oxygen generator, smart watch and ect according to customers' ideas and requirements：

Our engineering, quality assurance, and project management teams cooperate closely with customers to fully understand and exceed your requirements.

Our operations have been accredited ISO 9001:2015, ISO 13485:2016, ISO 14001:2015 , IATF 16949:2016, and IPC-A-610 Class II and III.

Production capacity：

There are currently 6 SMT production lines, equipped with new imported Siemens TX21, X2 mounter machines, automatic solder paste printers, ten temperature zone reflow ovens, AOI, SPI and other high-end equipment. The SMT production capacity is 25 million solder joints/day, and is especially good at high-precision and high-complexity single boards.

Advantages of the development process：

YDY implements an advanced IPD integrated development process system to ensure product development quality, and the new product development cycle is shortened by more than 30% compared with the industry average

◼ The time to put the product on the market is shortened by 40%～60%;

◼ Reduce product development time by 50% to 80%;

◼ Product development productivity increased by 25% to 30%;

◼ New product revenue (100% of total revenue) increased by 100%

DQE Implementation process:

Our goal is to provide high quality manufacturing services at a competitive price.

Our service philosophy：

YDY Customer Support is committed to always providing the help you need in a prompt and personalized manner – every day of the year – no exceptions. Choosing YDY means you’re choosing the easiest PCB/PCBA company to do business with.

Our Customer Support team sets the industry standard, and is backed by over 20 years of experience in finding the PCB solution that best fits your requirements. As a leading printed circuit board solutions provider and manufacturer, we strive to partner with you to ensure the success of your ideas and prototypes. Our product and service innovations make us different than any other PCB company or PCB manufacturer.

"YDY will support your design efforts like a member of your team. We measure our success by your success!"