PCB News - Rigid-flexible multilayer PCB

Rigid-flexible multilayer PCB

Printed circuit boards {Printed circuit boards}, also known as printed circuit boards, are providers of electrical connections for electronic components.
Printed circuit boards are often represented by "PCB", but cannot be called "PCB boards".

Rigid-flexible multi-layer PCB types are usually on one or two rigid PCBs, and include flexible PCBs that are necessary to form a whole. The flexible PCB layer is laminated in the rigid multi-layer PCB, which is to have special electrical requirements or to extend to the outside of the rigid circuit, in order to replace the Z-plane circuit mounting capability. This type of product has been widely used in electronic equipment that takes compression of weight and volume as the key, and must ensure high reliability, high density assembly and excellent electrical characteristics.

Rigid-flexible multi-layer PCBs can also bond and press the ends of many single-sided or double-sided flexible PCBs together to form a rigid part, while the middle is not bonded to form a soft part. The Z side of the rigid part is interconnected with metallized holes. even. The flexible circuit can be laminated into the rigid multi-layer board. This type of PCB is increasingly used in applications that require ultra-high packaging density, excellent electrical characteristics, high reliability, and strict volume restrictions.

There have been a series of mixed multilayer flexible PCB components designed for use in military avionics. In these applications, weight and volume are critical. In order to meet the specified weight and volume limits, the internal packaging density must be extremely high. In addition to the high circuit density, in order to minimize crosstalk and noise, all signal transmission lines must be shielded. If you want to use shielded separate wires, it is practically impossible to economically package them into the system. In this way, a mixed multilayer flexible PCB is used to realize its interconnection. This component contains the shielded signal line in a flat stripline flexible PCB, which in turn is an essential part of a rigid PCB. In a relatively high level of operation, after the manufacturing is completed, the PCB forms a 90° S-shaped bend, thereby providing a way for the z-plane interconnection, and under the action of the x, y and z plane vibration stress, it can be used in the solder joints To eliminate stress-strain.

iPCB is a high-tech manufacturing enterprise focusing on the development and production of high-precision PCBs. iPCB is happy to be your business partner. Our business goal is to become the most professional prototyping PCB manufacturer in the world. Mainly focus on microwave high frequency PCB, high frequency mixed pressure, ultra-high multi-layer IC testing, from 1+ to 6+ HDI, Anylayer HDI, IC Substrate, IC test board, rigid flexible PCB, ordinary multi-layer FR4 PCB, etc. Products are widely used in industry 4.0, communications, industrial control, digital, power, computers, automobiles, medical, aerospace, instrumentation, Internet of Things and other fields.