For many people the mention of polyimide film is met with a blank look. Yet it might surprise these people to find out how extensively its used in the modern world today. Thanks to the properties possessed by this material it has proved to be extremely useful. They are lightweight, very flexible and resistant to both heat and chemicals.
A couple of these properties make it an ideal material for use with modern electronics. A common example that illustrates this point is the flat flexible cable which connects the body of a laptop to the screen. It is easy to understand the need for flexibility as a laptop is opened and closed on such a regular basis.
Should you get the opportunity to see a dismantled laptop computer, the cable that has just been mentioned will be easy to identify. It will be of an amber color and the metal tracks will be clearly seen. The amber colored sheeting is this versatile material.
The metallic tracks will be firmly fixed to the sheet by an adhesive. Due to the insulating properties of the sheeting its even possible to have tracks running either side of the sheet, but further insulation will be required to prevent any possible shorting between the tracks and the case. Other uses in the electronics world also includes masking areas of circuit boards, also providing insulation to such devices as capacitors and transistors.
However its the resistance to heat that is often the most important factor when industries decide to use this material. With this in mind manufacturers often elect to use this material in areas which have high operating temperatures. Out of interest this material will cope with temperatures in the region of 800F.
Normally when a material is subjected to such heat it will degrade. It would either begin to contract, or to stretch. Whichever scenario happens the material would no longer be fit for the purpose that it was originally intended. Fortunately this sheeting will survive these temperatures with no ill effects. The only noticeable difference will be that sheeting which is in use, and subject to high temperatures, will appear darker.
When it was initially developed, this material was used almost exclusively by the military and by the defense industry. Since entering into the mainstream civilian industries the applications that it is now used in have really increased. These applications can range from micro electronics in medicine to space agencies.
A prime example of something which operates at high temperatures could be something like an engine. They could be from a family car, an airplane, even a rocket used to put a satellite into orbit. This film does not conduct heat through itself so it is ideal if you need to protect something like engine cables. These previously unprotected cables often used to fail due to heat damage.
Polyimide film is extremely durable and hard wearing. Therefore there will be no likelihood that this protective layer will require constant replacement, which in turn means less expense. As a result modern industries are always searching for new ways in which to make use of this versatile material.
A couple of these properties make it an ideal material for use with modern electronics. A common example that illustrates this point is the flat flexible cable which connects the body of a laptop to the screen. It is easy to understand the need for flexibility as a laptop is opened and closed on such a regular basis.
Should you get the opportunity to see a dismantled laptop computer, the cable that has just been mentioned will be easy to identify. It will be of an amber color and the metal tracks will be clearly seen. The amber colored sheeting is this versatile material.
The metallic tracks will be firmly fixed to the sheet by an adhesive. Due to the insulating properties of the sheeting its even possible to have tracks running either side of the sheet, but further insulation will be required to prevent any possible shorting between the tracks and the case. Other uses in the electronics world also includes masking areas of circuit boards, also providing insulation to such devices as capacitors and transistors.
However its the resistance to heat that is often the most important factor when industries decide to use this material. With this in mind manufacturers often elect to use this material in areas which have high operating temperatures. Out of interest this material will cope with temperatures in the region of 800F.
Normally when a material is subjected to such heat it will degrade. It would either begin to contract, or to stretch. Whichever scenario happens the material would no longer be fit for the purpose that it was originally intended. Fortunately this sheeting will survive these temperatures with no ill effects. The only noticeable difference will be that sheeting which is in use, and subject to high temperatures, will appear darker.
When it was initially developed, this material was used almost exclusively by the military and by the defense industry. Since entering into the mainstream civilian industries the applications that it is now used in have really increased. These applications can range from micro electronics in medicine to space agencies.
A prime example of something which operates at high temperatures could be something like an engine. They could be from a family car, an airplane, even a rocket used to put a satellite into orbit. This film does not conduct heat through itself so it is ideal if you need to protect something like engine cables. These previously unprotected cables often used to fail due to heat damage.
Polyimide film is extremely durable and hard wearing. Therefore there will be no likelihood that this protective layer will require constant replacement, which in turn means less expense. As a result modern industries are always searching for new ways in which to make use of this versatile material.
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