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What Is Copper Foil Tape? | Alloy Wiki
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What Is Copper Foil Tape?

Posted by: Alloy 2021-09-07 Comments Off on What Is Copper Foil Tape?
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Copper foil tape is a kind of metal tape, which is mainly used for electromagnetic shielding, split signal shielding and magnetic signal shielding. The electrical signal shielding mainly relies on the excellent electrical conductivity of copper itself, while the magnetic shielding requires the rubber surface of copper foil tape. The conductive material “nickel” is used for magnetic shielding and is therefore widely used in mobile phones, notebook computers and other digital products.


Copper foil tape is a kind of metal tape, which is mainly used for electromagnetic shielding, split signal shielding and magnetic signal shielding. The electrical signal shielding mainly relies on the excellent electrical conductivity of copper itself, while the magnetic shielding requires the rubber surface of copper foil tape. The conductive material “nickel” is used for magnetic shielding and is therefore widely used in mobile phones, notebook computers and other digital products.


Copper foil tape is divided into single-sided adhesive and double-sided adhesive. The single-sided rubberized copper foil tape is further divided into a single-lead copper foil tape and a double-lead copper foil tape. Single-lead copper foil tape means that the rubberized surface is not conductive, only the other side of the copper is conductive, so it is called single-lead or single-sided conductive; double-lead copper foil tape means that the rubberized surface is conductive, and the other side of the copper itself is also conductive, so it is called The double guide is double-sided conductive. There are also double-sided rubberized copper foil tapes for processing with other materials into more expensive composite materials. The double-sided rubberized copper foils are also conductive and non-conductive. Customers can choose their own electrical conductivity. Come choose.


Copper foil has a low surface oxygen property and can be attached to a variety of different substrates, such as metals, insulating materials, etc., and has a wide temperature range. Mainly used in electromagnetic shielding and anti-static, the conductive copper foil is placed on the substrate surface, combined with the metal substrate, has excellent conductivity, and provides electromagnetic shielding effect.


What Is Copper Foil Tape?


Copper foil tape series classification:


1. Pure copper foil has conductive and masking effects;


2. The single-lead copper foil is conductive and covered (the rubber surface is not conductive), and the acrylic adhesive is applied to fix the fixing effect;


3. The double-lead copper foil is electrically conductive, covered, coated with conductive adhesive, and is electrically conductive and conforms to the fixing effect;


4. Copper foil Mylar: mask, insulation, two coating processes, one is to apply self-adhesive on the copper foil surface to cover the insulation of the mask, and to apply the conductive adhesive to cover the mask, Insulation, conduction, and the other is to apply self-adhesive on the Mylar to insulate, mask, and conduct electricity.


5. Backing copper foil: Copper foil is bonded to Mara tape, which is insulated, conductive and masked, and can be soldered.


Copper foil tape use: Suitable for digital camera, mobile phone, DVD, HVD precision electronic products, computer communication, wire, cable, high frequency transmission, isolated electromagnetic interference.


The general inspection performance of the most commonly used copper foil tape on the market is as follows:


Copper foil tape features:


1. Ultra-thin and soft


2. Good conductivity


3. High shielding effectiveness


4. No burrs, easy to process


5. Non-electroplating products, in line with environmental trends


Copper foil tape application


1. Used for grounding and surface shielding of various electronic components.


2. After the die-cutting type, a part that requires electromagnetic shielding such as a notebook computer, an LCD display, a copying machine, or the like can be applied.


3. The product is mainly used to eliminate electromagnetic interference EMI, to isolate the harm of electromagnetic waves to the human body, mainly used in computer peripheral wire, computer display and transformer manufacturers.


Electronic grade copper foil (purity of more than 99.7%, thickness of 5um-105um) is one of the basic materials of the electronics industry. In recent years, the electronic information industry has developed rapidly, the use of electronic grade copper foil is increasing, and the products are widely used in industry. Use calculators, communication equipment, QA equipment, lithium-ion batteries, civil televisions, video recorders, CD broadcasters, copiers, telephones, air conditioners, automotive electronic components, game consoles, etc. Domestic and international markets are increasingly demanding electronic grade copper foil, especially high performance electronic grade copper foil.


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