RFID antenna with pre-applied adhesives
View Patent ↗A radio frequency identification (“RFID”) system antenna having adhesive pre-applied to one or more of its contact pads to allow for high speed attachment of the antenna to the RFID die or die strap. Also disclosed is a method for attaching an RFID antenna having pre-applied adhesive to a die or die strap.
1. A method of assembling a radio frequency identification system comprising:
(a) providing a radio frequency identification antenna having more than one contact pad;
(b) applying a pre-applied adhesive to at least one of the more than one contact pads;
(c) B-staging the adhesive to form a film;
(d) contacting said radio frequency identification antenna to a die or a die strap; and
(e) activating said film.
2. The method of claim 1 , wherein the adhesive is on a release liner.
3. The method of claim 1 , wherein the activating includes heating the system to a temperature sufficiently high to cause wetting of the film.
4. The method of claim 1 , wherein the adhesive is a pressure sensitive adhesive.
5. The method of claim 1 , wherein the adhesive is a thermoplastic.
6. The method of claim 1 , wherein the adhesive is electrically conductive.
7. The method of claim 6 , wherein the adhesive is anisotropic.
8. The method of claim 1 , wherein the adhesive is a thermoset.
9. The method of claim 6 , wherein the adhesive is isotropic.