PTH or the Plated through Holes is a PCB technology, which has become a pivotal part of electronics manufacturing. It is basically a mounting scheme that is used for PCBs to ensure that leads on the components are inserted safely and reliably through holes in the PCBs’ drilled regions. Then, they are inserted into mount machines. The Plated through Holes technology enables PCB components to make contact using conductive layers. They play an important role in making component connections and interconnections between different layers.

Sub contract PCB assembly with the PTH technology ensures that the mechanical bonds between PCB layers are stronger when compared to SMT or Surface mount Technology techniques. This works best for heavier components such as a semiconductor as they limit the routing area for signal traces, providing better reliability to the user. Ultra compact designs of PTH are also available with SMT construction. Therefore, even lighter components can make use of the mechanical bonds through PTH technology.

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What is Metal Backed PCB Assembly

Metal Core or Metal Backed Printed Circuit Boards are PCBs with the back or the core made of metal to ensure optimum dissipation of heat. The metals that the core is made up of can be copper, aluminum or heavy copper of which aluminum is the commonest choice of metal. In such PCBs the heat is radiated much faster from the important components of the board to the heat sink of the metal core or backing. Many a time the black color of the metals are used to trigger better radiation. Since heat is radiated about 8 to 9 times faster when compared to FR4 or Flame Retardant Type 4 PCBs they augment the life span of the components by keeping them cooler.

Uses of Metal Core or Metal Backed Assemblies

The LEDs that you use to illuminate various corners of your home or see as the street lights are made of Metal core PCBs. Since LEDs or Light Emitting Diodes are prone to releasing more heat and consequently increase chances of accidents they are generally backed up by PCBs with metal core. Some of the areas where such LEDs with metal core PCBs are used are Photovoltaic applications, Automotive LED applications, power supplies for telecom and other industries as well as high voltage regulators, Hybrid or Electric Motor Controlling system and many more.

Electric Cars, LED Heavy Computer Hardware solutions and Solar Panel Roofs also make use of PCBs with metal backing for maximum heat dissipation.

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The avant-garde Metal Backed PCB Assembly does away with the major snag that conventional PCBs for LEDs and other forms of electronic devices have, that of excessive heat dissipation. This often leads to fire breakouts when the devices are kept adjacent or close to one another. Here came the Metal Backed PCB Assemblies with its unique with the back plate made of aluminum or copper being etched with the thin PCB board, thus creating a heat sink of its own. While LEDs of low power can do with copper backing, high-powered ones require thick aluminum etched in separate sheets. The solder resist obtained from the black color of such PCBs are also conducive to radiation of heat. Here is a quick glimpse into some of the advantages of Metal Backed PCBs.

Augments Durability of Electronic Devices: Since the metal backed PCBs help devices to remain cool, it is possible to augment the densities of power and also increases the life span of the devices.

Customized Circuits: Unlike their ceramic counterparts, Metal Backed PCBs helps customized formations of circuits by drilling and molding into proper shapes.

Get Your Insulation Requirements: With Metal Backed PCBs you can adjust your insulation or thermal requirement as per your need.
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