Golf club head

Abstract

This head 2 includes a head body h 1 as a first member and a face plate p 1 as a second member. A boundary k 1 of the first member and the second member exists on a surface of the head. A deposition layer is formed in a region including the boundary k 1 on the surface of the head. A temperature Tp in a deposition process is equal to or less than 150° C. Preferably, the deposition layer is formed by PVD. Preferably, the first member and the second member are stuck with an adhesive. Preferably, the deposition layer has a surface layer and a lower layer. Preferably, the exposed deposition layer is a TiC layer. Preferably, a total thickness Tt of the deposition layer is 0.5 μm or greater and 3.0 μm or less.

1 . A golf club head comprising:
 a first member; and   a second member,   wherein a boundary of the first member and the second member exists on a surface of the head;   a deposition layer is formed in a region including the boundary on the surface of the head; and   a temperature Tp in a deposition process is equal to or less than 150° C.   
     
     
         2 . The golf club head according to  claim 1 , wherein the deposition layer is formed by PVD. 
     
     
         3 . The golf club head according to  claim 1 , wherein the first member and the second member are stuck with an adhesive. 
     
     
         4 . The golf club head according to  claim 1 , wherein the deposition layer has a surface layer and a lower layer. 
     
     
         5 . The golf club head according to  claim 1 , wherein the exposed deposition layer is a TiC layer. 
     
     
         6 . The golf club head according to  claim 1 , wherein a total thickness Tt of the deposition layer is 0.5 μm or greater and 3.0 μm or less. 
     
     
         7 . The golf club head according to  claim 5 , wherein a thickness of the TiC layer is 0.3 μm or greater and 2.6 μm or less. 
     
     
         8 . The golf club head according to  claim 4 , wherein a thickness of the lower layer is 0.1 μm or greater and 0.5 μm or less. 
     
     
         9 . The golf club head according to  claim 1 , wherein the deposition layer has a surface layer and a second layer;
 the surface layer is a TiC layer; and   the second layer is a CrN layer.   
     
     
         10 . The golf club head according to  claim 1 , wherein the deposition layer has a surface layer and a second layer;
 the surface layer is a TiC layer; and   the second layer is a Zr layer.   
     
     
         11 . The golf club head according to  claim 1 , wherein the deposition layer has a surface layer and a lower layer; and
 the lower layer has higher removability than that of the surface layer, the removability caused by hydrogen peroxide.