This section provides an overview for conductive sheets as well as their applications and principles. Also, please take a look at the list of 10 conductive sheet manufacturers and their company rankings.
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Conductive Sheets are sheets or mats made of highly conductive materials, and are generally used in clean rooms in factories that manufacture products using various types of electronic substrates or semiconductor devices.
If workers in these factories touch products or semiconductor devices while their bodies are charged with static electricity, the static electricity in their bodies may flow through the products or semiconductor devices to the ground, destroying them.
Conductive Sheets are used to protect products and semiconductor devices from such static electricity.
Conductive Sheets are also used in special trays for storing various types of semiconductor devices.
The voltage of static electricity charged on the human body can be extremely high, sometimes up to several thousand volts.
When a worker who is charged with such a high voltage touches a product, static electricity flows into the equipment and, in some cases, through the semiconductor devices on the printed circuit board inside the equipment to the ground, damaging these devices.
Place Conductive Sheets on the workbench and connect the edges of the sheets to the ground. By placing the product on the sheet, when the worker touches the product, static electricity flows to the one with the lowest resistance, so it flows from the product housing to the Conductive Sheets, and from there to the ground.
In the clean room of a semiconductor plant, semiconductor wafers are handled. If dust or dirt in the air adheres to semiconductor wafers, they become defective and unusable. In such a case, laying a conductive sheet is effective because the conductive sheet attracts dirt and dust in the air.
Conductive Sheets can be made of antistatic resin, rubber sheets coated with conductive powder, or fabric sheets made of cloth with conductive threads woven into the fabric.
The type using a special antistatic resin has the disadvantage that the original flexibility of the mat is reduced, so a type that is laminated with other flexible sheets is also available.
Types with conductive powder applied to the base of the sheet vary in conductivity depending on the thickness of the conductive powder application, but have the disadvantage of reducing the original flexibility of the mat if too much conductive powder is applied.
When Conductive Sheets are soiled, washing them with a detergent will act on the surfactant contained in the detergent to remove dust and dirt, as well as to lower the resistance of the surface of the Conductive Sheet. With this effect, it is possible to restore the original efficacy of the conductive sheet.
*Including some distributors, etc.
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