fan and heatsink

[lynnblack007]

is the heatsink built into the fan for the Toshiba C675?

 

[RealBeast]

is the heatsink built into the fan for the Toshiba C675?

No, it is separately attached. You can see the heatsink and fan separately in several pictures on EBay if you search for Toshiba C675 heatsink. This is pretty much the standard way that laptop heatsinks work, very few have attached fans.