Friday 28 September 2012

The Viable Techniques Of Electronics Packaging

By Kristie Irwin


Electronics packaging has been growing rapidly with the chances in time and technology. This process involves wrapping up carefully these appliances for better use both at home and industries. The various techniques used here are known to be successful in dealing with the electricity shock. At this juncture, quite a number of challenges are being experienced. The cause being varied on the different techniques, and as it seems to be, no single one is considered to be perfect.

The sheet metal is used in the production process. With covered metals, a number of risks are known to emanate from it. The main use of this old method is to prevent the electronic device from electromagnetic waves. These are reflected away from the main component. When reflected, it is the user of the device who ends up experiencing problems. When these waves are reflected away, they end up hitting the person and in the long run, diseases such as cancer erupt within his or her body system.

Machine metal makes use of aluminum metal especially in aerospace. Aluminum is widely known to have dangers of health issues when it comes to the brain and the stomach. During the covering process, the technicians may inhale in the gases which are mixed with aluminum components. In the body, it may lead to lungs, kidney, brain and heart failures.

Besides, potting does experience its own failures. Its need is to wrap up semi conductors thus offer protection from electrocution when using the products. In some cases, this target is never achieved. The reason being that some parts end up not being covered well enough therefore posing immense danger to the users and their property.

In addition, there is porosity sealing that is also known as impregnation method. This one draws a lot of similarities to the potting process. In this case, the parts to be wrapped are submerged into low viscosity plastic solution. The above pressure of vacuum is released which assists the molt to navigate through the given parts on its own. When removed, draining, cleaning and curing are done. When the whole procedure is over, the electronic will be well covered. This method fills all the inner parts where space is evident upon completion of the manufacturing process.

On the basis of porosity and potting, liquid filling came up as an alternative to both methods. This technique makes use of chemical components for covering the gadget in hand. When using it, it may burn up and emit the chemicals used for insulation in gases form. These gases may be harmful especially when inhaled thus portraying a health hazard to the individual.

On the other hand, the protection one wishes to subject onto an electronic part counts a lot when it comes to conformal coating. In this case, a mere thin layer of coat made up of chemicals is used. It offers the best cost saving mechanisms and durable protection from mechanics and other chemicals.

The last technique of hermetic metal has its own shortcomings too. Here, alloys are used in prevention operations of conductivity of current. Since it combines both alloys and glass, it seems to be the most appropriate. Challenges arise when it comes to costs because combining glass and alloy is an expensive affair. Moreover, the process is long when it comes to alloying combination and selecting a matching component.




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