Email:sales@unitpcb.comUnion Circuits Co.,Limited

Union Circuits Co.,Limited

Product Categories
Contact Us

Contact: Mr Kenly Lei

Sales Manager
Tel: +86 755 2970 9763

Skype: kenly.lei

Contact: Ms Echo Yang

International Sales

Tel: +86 755 3350 1949 Ext. 810

Contact: Ms Mary Huang
International Sales

Tel: +86 755 3350 1949 Ext. 812
Skype: h-p88888

Production Procedure Of Rigid PCB

Printed circuit board production of a wide range of materials, according to its application of the main materials and auxiliary materials two major categories. Main material: Become a part of the raw materials, such as copper clad laminate, solder resistance inks, marking inks, also known as physical and chemical materials. Auxiliary materials: Materials used in the production process, such as photochromic dry film, etching solution, electroplating solution, chemical cleaning agent, drilling pad, etc., also known as non physical and chemical material.Rigid PCB

Most of the design elements of rigid printed circuit boards have been applied to the design of flexible printed circuit boards. However, there are other new elements that need attention. Because the thermal capacity of the flexible printed circuit board is poor (compared to that of a rigid printed circuit board), sufficient wire width must be provided. The principle of selecting wire width is given when the current is above 1A. When some conductors carrying large current are facing each other or adjacent to each other, the extra wire width or spacing must be given when considering the problem of heat concentration.Rigid PCB The rectangle should be preferred wherever possible, because it can save the base material better. There should be enough free margins near the edge, depending on the possible residual space of the substrate. Smaller wire widths and spacing should be minimized as far as possible. If the geometrical space permits, the tightly arranged fine wires should be turned into wide wires. The wire terminated at the plating hole or the mounting hole of the component should be smoothly searched into the solder tray. As a general standard, any change from a straight line to an angle or a different line width must be as smooth as possible. The sharp angle causes the stress to concentrate naturally, causing the conductor to malfunction.Rigid PCB

As a general standard, the bending radius should be designed as large as possible. The use of thinner laminates (e.g., 50μm copper foil instead of 125μm copper foil) and wider wire can improve the likelihood of more cyclic bending. For a large number of bending cycles, single-sided flexible printed circuit boards usually show better performance.Rigid PCB

Copyright © Union Circuits Co.,Limited All Rights Reserved.
QR Code