The conductive adhesive, that is, the conductive adhesive, can effectively bond various materials and has electrical conductivity. Conductive adhesives include two broad categories of isotropic homogeneous conductive adhesives (ICa) and anisotropic conductive adhesives (aCa). ICa refers to an adhesive that conducts electricity in all directions; aCa is different, such as Z-axis aCa refers to an adhesive that conducts in the Z direction, and does not conduct electricity in the X and Y directions.
Conductive adhesives are commonly used in microelectronic assembly, including thin wires and printed wiring, plated substrates, metal layers of ceramic adherends, metal chassis connections, bonded wires and headers, bonding elements, and planes that pass through printed wiring. Holes, bonded waveguide tuning and hole repair.
Conductive adhesives can also be used to replace spot welds where the soldering temperature exceeds the resistance to solder formation. As an alternative to tin-lead solder, conductive adhesives are mainly used in telephone and mobile communication systems; broadcasting, television, computer and other industries; automotive industry, medical equipment; and electromagnetic compatibility (EMC).
Another application of conductive adhesives is in the ferroelectric device for the bonding of the electrode sheets to the magnet crystals. Conductive adhesives can replace welds and crystals where the soldering temperature tends to deposit. Bonding for battery posts is another use of conductive adhesives when soldering temperatures are unfavorable.
Moreover, the conductive adhesive can form a joint of sufficient strength and, therefore, can be used as a structural adhesive.
With the rapid development of the electronic assembly industry, the research of conductive adhesives will also enter a higher level, that is, the development of high conductivity, low thermal resistance and more reliable.
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