Electronic component

Abstract

An electric component comprising a terminal electrode and a hot-melt polymer layer formed on the terminal electrode, wherein the hot-melt polymer layer comprises (i) 100 parts by weight of a metal powder and (ii) 1 to 30 parts by weight of a polymer, wherein melt mass-flow rate (MFR) of the polymer is 0.5 to 20 g/10 min. at 120 to 200° C. and 0.3 to 8 kgf.

What is claimed is: 
     
         1 . An electric component comprising a terminal electrode and a hot-melt polymer layer formed on the terminal electrode, wherein the hot-melt polymer layer comprises (i) 100 parts by weight of a metal powder and (ii) 1 to 30 parts by weight of a polymer, wherein melt mass-flow rate (MFR) of the polymer is 0.5 to 20 g/10 min. at 120 to 200° C. and 0.3 to 8 kgf. 
     
     
         2 . The electric component of  claim 1 , wherein the metal powder contains particles that are flakes, spherical, nodular or a mixture thereof. 
     
     
         3 . The electric component of  claim 1 , wherein the metal powder contains particles with a diameter (D50) of 0.5 to 20 μm. 
     
     
         4 . The electric component of  claim 1 , wherein the metal powder is selected from the group consisting of silver, copper, gold, palladium, platinum, rhodium, nickel, aluminum, gallium, indium, tin, zinc, bismuth and a mixture thereof. 
     
     
         5 . The electric component of  claim 1 , wherein the glass transition point (Tg) of the polymer is −25 to 180° C. 
     
     
         6 . The electric component of  claim 1 , wherein molecular weight of the polymer is 500 to 100,000. 
     
     
         7 . The electric component of  claim 1 , wherein the hot-melt polymer layer further comprises 0.1 to 3 parts by weight of a flux. 
     
     
         8 . The electric component of  claim 1 , wherein the polymer is selected from the group consisting of polyester resin, phenoxy resin, novolac resin, epoxy resin, acrylic resin, melamine resin, polyimide resin, polyamide resin, polystyrene resin, butyral resin, cellulose resin, polyvinyl alcohol, polyurethane resin, silicone resin and a mixture thereof. 
     
     
         9 . The electric component of  claim 1 , wherein the electric component is a resistor, a capacitor, an inductor or a semiconductor chip. 
     
     
         10 . A method of manufacturing an electric component comprising steps of:
 providing an electric component comprising a main body, wherein at least one terminal electrode is formed on the main body;   applying a hot-melt polymer paste on the terminal electrode, wherein the hot-melt polymer paste comprises (i) 100 parts by weight of a metal powder, (ii) 1 to 30 parts by weight of a polymer and (iii) a solvent, wherein melt mass-flow rate (MFR) of the polymer is 0.5 to 15 g/10 min. at 120 to 200° C. and 0.3 to 8 kgf; and   drying the applied hot-melt polymer paste.   
     
     
         11 . The method of  claim 10 , wherein the metal powder contains particles that are flakes, spherical, nodular or a mixture thereof. 
     
     
         12 . The method of  claim 10 , wherein the polymer is selected from the group consisting of polyester resin, phenoxy resin, novolac resin, epoxy resin, acrylic resin, melamine resin, polyimide resin, polyamide resin, polystyrene resin, butyral resin, cellulose resin, polyvinyl alcohol, polyurethane resin, silicone resin and a mixture thereof. 
     
     
         13 . The method of  claim 10 , wherein the hot-melt polymer paste further comprises 0.1 to 3 parts by weight of a flux. 
     
     
         14 . The method of  claim 10 , wherein the drying temperature is 50 to 200° C. 
     
     
         15 . The method of  claim 10 , wherein the electric component is a resistor, a capacitor, an inductor or a semiconductor chip. 
     
     
         16 . An electric component comprising a terminal electrode and a hot-melt polymer layer formed on the terminal electrode, wherein the hot-melt polymer layer comprises (i) 100 parts by weight of a metal powder and (ii) 1 to 30 parts by weight of a polymer, wherein the polymer is selected from the group consisting of polyester resin, phenoxy resin, novolac resin, epoxy resin, acrylic resin, melamine resin, polyimide resin, polyamide resin, polystyrene resin, butyral resin, cellulose resin, polyvinyl alcohol, polyurethane resin, silicone resin and a mixture thereof.