![Diamonds image](/sites/default/files/styles/crop_sei_cp_1920x168/public/2021-08/inner_masthead_small/header_pc_diamonds.png?itok=V2GLHOrl)
Diamonds
Diamonds
Sumitomo Electric manufactures and markets a variety of industrial material products including sintered diamond "SUMIDIA™" and the world's leading synthetic monocrystal diamond "SUMICRYSTAL™."
![Sumicrystal](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/%E3%82%B9%E3%83%9F%E3%82%AF%E3%83%AA%E3%82%B9%E3%82%BF%E3%83%AB.jpg?h=3dd93344&itok=wQPlAMTv)
Single Crystal Diamonds
Single Crystal Diamonds are a synthetic diamond single crystal with the highest thermal conductivity among all materials.
![CVD](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/P32-5-2_CVD_1.jpg?h=a9ccc2d2&itok=E_23WEnd)
CVD diamond (Chemical Vapor Deposition-Diamond)
CVD diamond is polycrystalline diamond without binder, obtained by the Chemical Vapor Deposition method (CVD).
![Cu-Diamond](/sites/default/files/styles/crop_sei_cp_656x410/public/2021-01/products/overview_card/P32-5-3_DMCH.jpg?itok=u0_4trYo)
Cu-Diamond (Copper-Diamond)
Cu-Diamond (DMCH) is a composite material of diamond and Copper.