Overlapping printed circuit boards and electronic device including same

Abstract

According to an embodiment of the disclosure, an electronic device comprises a first printed circuit board including a first electrical terminal exposed on one face of a first area, a second electrical terminal exposed on the one face of a second area and insulated from the first electrical terminal, and a first ground terminal exposed on the one face of a third area formed between the first area and the second area, the third area having a width narrower than a width of the first area or the width of the second area; and a second printed circuit board including a third electrical terminal exposed on one face of a fourth area, a fourth electrical terminal exposed on the one face of a fifth area and electrically connected to the third electrical terminal, and a second ground terminal exposed on the one face of a sixth area located between the fourth area and the fifth area, wherein the second printed circuit board is disposed on the first printed circuit board to overlap the third area, the first electrical terminal and the third electrical terminal are electrically coupled to each other, the second electrical terminal and the fourth electrical terminal are electrically coupled to each other, and the first ground terminal and the second ground terminal are electrically coupled to each other.

What is claimed is: 
     
         1 . An electronic device comprising:
 a first printed circuit board including a first electrical terminal exposed on one face of a first area, a second electrical terminal exposed on the one face of a second area and insulated from the first electrical terminal, and a first ground terminal exposed on the one face of a third area formed between the first area and the second area, the third area having a width narrower than a width of the first area or a width of the second area; and   a second printed circuit board including a third electrical terminal exposed on one face of a fourth area, a fourth electrical terminal exposed on the one face of a fifth area and electrically connected to the third electrical terminal, and a second ground terminal exposed on the one face of a sixth area located between the fourth area and the fifth area,   wherein the second printed circuit board is disposed on the first printed circuit board to overlap the third area, the first electrical terminal and the third electrical terminal are electrically coupled to each other, the second electrical terminal and the fourth electrical terminal are electrically coupled to each other, and the first ground terminal and the second ground terminal are electrically coupled to each other.   
     
     
         2 . The electronic device of  claim 1 , wherein the first printed circuit board or the second printed circuit board is a printed circuit board formed using a copper-clad laminate (CCL) including an insulating layer comprises woven glass fiber impregnated with an epoxy resin stacked in multiple layers and copper, the copper bonded to the insulating layer. 
     
     
         3 . The electronic device of  claim 1 , wherein the first printed circuit board or the second printed circuit board is a printed circuit board formed using a copper-clad laminate including a center base material made of non-woven glass fiber impregnated with epoxy resin, outer base materials made of woven glass fiber impregnated with epoxy resin, and copper foils, the copper foils bonded to the outer base materials. 
     
     
         4 . The electronic device of  claim 1 , wherein the second printed circuit board includes a multilayer printed circuit board. 
     
     
         5 . The electronic device of  claim 4 , wherein the second printed circuit board includes the multilayer printed circuit board including inner layers formed based on a copper-clad laminate, and wherein a number of the inner layers is equal to a number of inner layers in the first printed circuit board. 
     
     
         6 . The electronic device of  claim 4 , wherein the second printed circuit board includes the multilayer printed circuit board including inner layers formed based on a copper-clad laminate, and wherein a number of the inner layers is different from a number of inner layers in the first printed circuit board. 
     
     
         7 . The electronic device of  claim 1 , wherein the second printed circuit board includes a double-sided printed circuit board. 
     
     
         8 . The electronic device of  claim 1 , wherein the second printed circuit board has a thickness different from a thickness of the first printed circuit board. 
     
     
         9 . The electronic device of  claim 1 , wherein the second printed circuit board is surrounded by a conductive material on at least a part of a side face thereof. 
     
     
         10 . The electronic device of  claim 1 , wherein the third area is located adjacent to an opening formed in the first printed circuit board. 
     
     
         11 . The electronic device of  claim 1 , wherein the third area is located adjacent to a camera module included in the electronic device. 
     
     
         12 . The electronic device of  claim 1 , further comprising a battery,
 wherein the third area is located adjacent to the battery.   
     
     
         13 . The electronic device of  claim 1 , further comprising a motor mounted on the third area. 
     
     
         14 . The electronic device of  claim 1 , further comprising solder disposed between the first electrical terminal and the third electrical terminal, between the second electrical terminal and the fourth electrical terminal, or between the first ground terminal and the second ground terminal. 
     
     
         15 . The electronic device of  claim 1 , wherein at least one of the third electrical terminal, the fourth electrical terminal, and the second ground terminal includes a via. 
     
     
         16 . The electronic device of  claim 1 , wherein the second printed circuit board includes an antenna disposed on a face that faces away from the one face of the second circuit board. 
     
     
         17 . The electronic device of  claim 16 , further comprising a communication circuit mounted on the first printed circuit board,
 wherein the communication circuit performs communication using the antenna.   
     
     
         18 . The electronic device of  claim 1 , wherein the second printed circuit board is electrically connected to a frequency adjustment circuit mounted on the first printed circuit board. 
     
     
         19 . The electronic device of  claim 1 , wherein at least a part of current provided from an external power source connected to the electronic device flows from the first area to the second area through the second printed circuit board. 
     
     
         20 . An electronic device comprising:
 a first printed circuit board including a first electrical terminal exposed on one face of a first area, a second electrical terminal exposed on the one face of a second area and insulated from the first electrical terminal, and a first metal pad formed on the one face of a third area formed between the first area and the second area having a width narrower than a width of the first area or the second area; and   a second printed circuit board including a third terminal exposed on one face of a fourth area, a fourth electrical terminal exposed on the one face of a fifth area and electrically connected to a third electrical terminal, and a second metal pad formed on one face of a sixth area located between the fourth area and the fifth area,   wherein the second printed circuit board is disposed on the first printed circuit board to overlap the third area, the first electrical terminal and the third electrical terminal are electrically coupled to each other, the second electrical terminal and the fourth electrical terminal are electrically coupled to each other, and the first metal pad and the second metal pad are electrically coupled to each other.