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Electrically Conductive Adhesives For Electronics Applications

Bonding instead of soldering: Electrically conductive adhesives have many advantages over conventional soldering processes. Conductive adhesives are the perfect solution for making electrical contacts on temperature-sensitive substrates, as their curing temperature lies clearly below soldering temperature. In addition the adhesives are much more flexible than solder and are therefore better able to withstand vibrations. A further advantage over soldering is that conductive adhesives are lead- and solvent-free.

There are two types of electrically conductive adhesives: isotropic and anisotropic. Isotropic conductive adhesives (ICA) are electrically conductive in all directions. They are used in applications such as chip contacting and bonding electrically conductive SMDs.
Anisotropic conductive adhesives (ACA) contain special conductive particles in the µm range, which conduct electricity only in one direction. These adhesives are used, for example, in many sensitive structures on circuit boards, such as LCD connections or contacting flexible PCBs, or for bonding antenna structures on RFIDs.  

With its Elecolit® range Panacol offers a broad spectrum of electrically conductive adhesives: single-component adhesives that can be simply applied with dispensers or jets or screen-printed, as well as two-component products that cure at room temperature and have a long storage life. Innovative hardener systems in many of the one part epoxy based adhesives develop cure within minutes.

The table below lists a selection of conductive sealing compounds and silver epoxy or acrylate resins from Panacol. Further products and custom solutions are available on request.


Contacts on a flexible printed conductor are bonded with conductive silver epoxy adhesive
Electrically conductive glue and silver epoxy adhesive from Panacol

Product information:

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Electrically Conductive Adhesive Application Viscosity [mPas] Base Curing* Properties
Elecolit® 3012 screen printing

paste-like

epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3025 bonding heat-sensitive components 80,000-90,000 2 component epoxy thermal
room temperature
electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3036 bonding flexible circuits paste-like 2 component epoxy thermal
room temperature
electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3043 antenna printing
bonding ceramic fuses
4,000 – 5,000 epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3063 bonding flexible circuits 150,000-190,000 acrylate UV under pressure
VIS under pressure
electrically conductive adhesive (ACA)
thermally conductive adhesive
Elecolit® 3064 bonding flexible circuits gel-like acrylate UV under pressure
VIS under pressure
electrically conductive adhesive (ACA)
thermally conductive adhesive
Elecolit® 3065 bonding flexible circuits paste-like acrylate

UV under pressure
VIS under pressure
thermal

electrically conductive adhesive (ACA)
thermally conductive adhesive
Elecolit® 323 bonding components paste-like 2 component epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 325 bonding heat-sensitive components paste-like 2 component epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 327 bonding electroconductive components 8,500 polyimide thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
temperature-resistant up to 275°C
Elecolit® 336 bonding heat-sensitive components paste-like 2 component epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 342 HF shielding 1,000 – 2,000 acrylate thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3653 bonding flexible components 8,000 – 13,000 epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3655 LED Die attach 5,000-15,000 epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
Elecolit® 3661 bonding flexible interconnect devices 20,000-40,000 epoxy thermal electrically conductive adhesive (ICA)
thermally conductive adhesive
shape retaining
Elecolit® 414 flexible printed conductors on foil 20,000 – 25,000 polyester thermal electrically conductive adhesive (ICA)
thermally conductive adhesive

*UV = 320 - 390 nm          VIS = 405 nm