Heres 0.5 mm thickness. You could also get 0.3 but youd have to use 2 of those. WinnerEco 10 pcs 15mmx15mm 0.3mm to 2mm Heatsink Copper Shim Thermal Pads for Laptop IC Chipset GPU CPU (0.5 Thickness) https://smile.amazon.com/dp/B071R9GX4K/ref=cm_sw_r_cp_apan_glt_fabc_411WT8VM3R5XVKN7XS7P?psc=1