Materials of the High-Density Flexible Printed Circuit Boards

Introduction:The basic materials of high-density flexible PCB are substrates, conductors and cover layers (cladding). Substrates and conductors are usually laminated together to form copper clad laminates.Materials of Conductors:One of the main ways to achieve HDI flexible printed circuit boards is to use the thin, fine grained and low-profile copper foils. The standard copper foil used in conventional flexible printed circuit boards has always been RA foil, usually with a thickness of 1OZ (35um...

Material Requirements of High-Density Flexible PCB

Introduction:Recent market trends show that high-density interconnection technology, or HDI, is growing more than twice as fast as conventional lines. HDI circuit usually means that the pitch of the circuit is less than 8mils (200um) and the aperture is less than 10mils (250um). It is estimated that the most significant applications driving the growth of HDI flexible printed circuit boards are in mobile communications and computer devices like PDA. Other high-growth applications include tape fle...

High-Density Flexible PCB

Simple Analysis of Flex-PCB Manufacturing Process

Introduction:With the continuous expansion of the application scope and application field of flexible circuit board, from the perspective of the application field of FPC and the prospect of the development law of domestic and foreign markets, FPC products are bound to be like the products of rigid printed board, and its varieties, types, structures and grades will be rapidly increased and complicated.Flex-PCB Manufacturing Process:Common Double-Side Flex-PCB and Multilayer Flex-PCB Manufacturing...

The Impact of AL Surface Treatment on the Peel Strength between Rigid-Flex PCB

Introduction:Rigid-flex PCB is a new type of PCB which has both the durability of rigid PCB and the adaptability of flexible PCB. Of all types of printed circuit boards, rigid-flex PCBs are the most resistant to harsh application environments and are favored by manufacturers of medical and military equipment.Compared with the common FR-4 rigid-flex substrates, the aluminum rigid-flex substrates have better heat dissipation performance and higher service life. The binding force of the PCB has a c...

Applications of Rigid-Flex PCB in Electronic Products

Introduction:Rigid-flex PCB has a wide range of applications, such as it can be used in a variety of common electronic products in common life, but also can be installed in high-end aircraft armed systems. Military aviation and medical devices are the most important conventional applications of rigid-flex PCBs. Rigid-flex PCB can provide many advantages to meet the needs of military aviation design, because it can reduce the overall weight of electronic equipment, at the same time, but also redu...

rigid-flexible PCB

The Crucial Manufacturing Process of Rigid-Flex PCB

Introduction:The rigid-flex PCB technology almost immediately delivered on its promise of simplifying interconnection and assembly of complex interconnection structures. Because of the superiorly mechanical and electrical reliability, the rigid-flex PCBs have been used in the fields of military, aerospace, automotive, computer peripherals and portable electronics. Characteristics and Applications of Rigid- Flex PCB:There have always been 4 drivers that have created the need for rigid-flex:1) ...

Manufacturing Process of Flexible Substrate

Introduction:The substractive process has been gradually unable to meet the processing requirements of high-density flexible substrates for miniaturization and high-performance packaging devices, and the semi-additive process has been increasingly applied to the manufacturing process of high-density flexible substrates. Semi-additive Process:The circuit formation of traditional flexible substrates adopts the subtractive method, which is mainly characterized by isotropy. That is to say, when etch...

Flexible PCB and Its Manufacturing Process

Introduction:The development and wide application of flexible PCB are due to its remarkable advantages. First of all, its agile structure, tiny volume, light weight, good quality, which are satisfied the requirement of contemporary electronic product. Secondly, it can extend to three dimensional space, and improve the freedom of circuit design and mechanical structure design. These advantages not only reduce the workload of the whole machine and assembly errors, but also greatly improve the reli...

Flexible PCB flex-PCB

Overview of Flexible Printed Circuit Board

Introduction:Flexible Printed Circuit Board is a kind of Flexible, folding degrees higher polyester film or polyimide substrate after a series of production processes and made of a kind of components and circuits can be put, and can finish electrical functions with high reliability, good flexibility and light weight of the Printed Circuit Board, also can call it Flexible plate or soft Board, its English name is a Flexible Printed Circuit Board, FPCB for short. In the early days, it was mainly us...

Flexible Printed Circuit Board, Flex-PCB

Traditional Manufacturing Engineering of Flexible Substrate

Introduction:In recent years, with the rapid development of portable electronic products, flexible substrate to high-density development, flexible circuit board is widely used in IC circuit packaging, but also promote the development of flexible substrate to high-density direction. In the field of packaging, flexible substrates have some incomparable advantages over rigid substrates. For example, it is suitable for the assembly of ultra-thin chips, flexible electronic system packaging, medical i...

Flex-PCB Flexible PCB

Flexible PCB

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 on...

Flexible PCB

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