Article having a circuit soldered with parts and method for recycling wastes of the same

Abstract

The disclosure provides an article having a circuit mounted with parts characterized by comprising an electronic part soldered with a lead free solder and having an identification marking indicating no inclusion of lead and an electrical appliance including the same. The present invention also provides a recycling method of wastes of the same. The present invention can offer an article having a circuit mounted with parts and an electrical appliance including the same both of which facilitate identification whether lead which is poisonous to human body is contained or not.

1 - 13 . (canceled) 
   
   
       14 . A printed board having a circuit with electronic parts, which are soldered by a lead free solder, and including an identification marking carried on said printed board indicating absence of lead in said printed board. 
   
   
       15 . The printed board in accordance with  claim 14 , wherein an electrode of said electronic parts is a lead free electrode having a coating of a lead free solder. 
   
   
       16 . The printed board in accordance with  claim 14 , wherein said electronic parts are lead free parts containing no lead. 
   
   
       17 . The printed board in accordance with  claim 14 , wherein said identification marking is printing, inscribing or labeling. 
   
   
       18 . The printed board in accordance with  claim 17 , wherein said labeling has a uniformity of said identification marking among manufactures. 
   
   
       19 . The printed board in accordance with  claim 14 , wherein said identification marking allows human to easily recognize that said printed board is lead free. 
   
   
       20 . An electrical appliance comprising a printed board having a circuit with electronic parts, which are soldered by a lead free solder, and a housing accommodating said electronic parts, wherein
 an identification marking indicating absence of lead in said printed board is carried on said printed board or said housing.   
   
   
       21 . A recycling method of wastes including the printed board in accordance with  claim 14  comprising the steps of:
 identifying a lead free printed board from said wastes by means of said identification marking; and   discriminating said lead free printed board from a lead containing printed board.   
   
   
       22 . A recycling method of wastes including the electrical appliance in accordance with  claim 20  comprising the steps of:
 identifying a lead free electrical appliance from said wastes by means of said identification marking; and   discriminating said lead free electrical appliance from a lead containing electrical appliance.