Synthetic diamond plates
A synthetic diamond plate comprises a polygonal plate formed of synthetic diamond material, the polygonal plate of synthetic diamond material having a thickness in a range 0.4 mm to 1.5 mm, and rounded corners having a radius of curvature in a range 1 mm to 6 mm. A mounted synthetic diamond plate is also disclosed comprising a polygonal synthetic diamond plate as described and a base to which the polygonal synthetic diamond plate is bonded, wherein the base comprises a cooling channel. An array of mounted synthetic diamond plates is also described, comprising a plurality of mounted synthetic diamond plates described above, wherein the cooling channels of the mounted synthetic diamond plates are linked to form a common cooling channel across the array of mounted synthetic diamond plates.
1 . An array comprising a plurality of polygonal synthetic diamond plates, each synthetic diamond plate of the plurality of diamond plates comprising:
a polygonal plate formed of synthetic diamond material,
the polygonal plate of synthetic diamond material having a thickness in a range 0.4 mm to 1.5 mm, and
rounded corners having a radius of curvature in a range 1 mm to 6 mm,
wherein the polygonal synthetic diamond plates are formed of a thermal grade of synthetic diamond material and the array forms a heat spreading substrate mounted on a heat sink for thermal management of a plurality of semiconductor components.
2 . The array according to claim 1 ,
wherein each polygonal plate of synthetic diamond material is triangular, square, rectangular, trapezoidal, pentagonal, or hexagonal.
3 . The array according to claim 1 ,
wherein the thickness is in a range 0.4 mm to 1.2 mm, 0.4 mm to 1.0 mm, 0.4 mm to 0.8 mm, or 0.5 mm to 0.7 mm.
4 . The array according to claim 1 ,
wherein the radius of curvature of the rounded corners is in a range 1 mm to 5 mm, 2 mm to 4 mm, or 2 mm to 3 mm.
5 . The array according to claim 1 , wherein each polygonal plate of synthetic diamond material has a largest linear dimension in a range 20 mm to 120 mm, 20 mm to 100 mm, 20 mm to 80 mm, 20 mm to 60 mm, or 20 mm to 40 mm.
6 . The array according to claim 1 , wherein the polygonal plate is formed of polycrystalline CVD diamond material.