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 see a dismantled laptop, then you ought to be able to identify this flexible cable. Just look for the amber colored flat cable. The copper tracks which carry the information between the screen and the body will be easy to see.
Normally the copper tracks will be fixed to a sheet by use of an adhesive. It is possible for copper tracks to be fixed to either side of the sheet, as the sheeting will insulate the tracks from each other. Although it could be necessary to provide further protection to the outer surfaces of the copper tracks. Within the electronics field this sheeting can also be utilized for masking PCBs, and also insulating transistors, capacitors and other such devices.
This material is possibly best known for its resistance to high temperatures. Consequently an ideal area to make use of this sheeting will be anywhere which gets subjected to constant heat. As a material this will continue to function properly in temperatures in excess of 400 degrees Celsius.
Most materials and compounds would be affected by excessive temperatures. Some would shrink while others would stretch. Any form of distortion or damage will lead to the item no longer being able to fulfill the role for which it was originally intended. This sheet with its resistance to heat will suffer no such damage. The only change that a person might notice would be a slight darkening over a period of time.
Initially this material was mainly used within the military and defense based industries. As it as become more widely available it has been used in many more applications. These can range from modern electronics right up to the space industry.
Take for example engines, these will generate high temperatures whilst in use. These engines can be in the automotive industry, the field of aviation and spaceflight. As this film does not transfer heat from one side of this film to the other, it is ideal to protect various cables and similar items. As such it will prevent the hot metal of the engines damaging the normal insulation of these cables and possibly leading to greater problems.
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 see a dismantled laptop, then you ought to be able to identify this flexible cable. Just look for the amber colored flat cable. The copper tracks which carry the information between the screen and the body will be easy to see.
Normally the copper tracks will be fixed to a sheet by use of an adhesive. It is possible for copper tracks to be fixed to either side of the sheet, as the sheeting will insulate the tracks from each other. Although it could be necessary to provide further protection to the outer surfaces of the copper tracks. Within the electronics field this sheeting can also be utilized for masking PCBs, and also insulating transistors, capacitors and other such devices.
This material is possibly best known for its resistance to high temperatures. Consequently an ideal area to make use of this sheeting will be anywhere which gets subjected to constant heat. As a material this will continue to function properly in temperatures in excess of 400 degrees Celsius.
Most materials and compounds would be affected by excessive temperatures. Some would shrink while others would stretch. Any form of distortion or damage will lead to the item no longer being able to fulfill the role for which it was originally intended. This sheet with its resistance to heat will suffer no such damage. The only change that a person might notice would be a slight darkening over a period of time.
Initially this material was mainly used within the military and defense based industries. As it as become more widely available it has been used in many more applications. These can range from modern electronics right up to the space industry.
Take for example engines, these will generate high temperatures whilst in use. These engines can be in the automotive industry, the field of aviation and spaceflight. As this film does not transfer heat from one side of this film to the other, it is ideal to protect various cables and similar items. As such it will prevent the hot metal of the engines damaging the normal insulation of these cables and possibly leading to greater problems.
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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