4 inch sggg substrate for faraday rotator

{"cid":"91189418","title":"1-2-inch SGGG Substrate, Gadolinium Gallium Garnet Single Crystal, (111) Orientation, for YIG\/BIG Magneto-Optical Film Epitaxy, Faraday Rotator R&D Sample","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/6e\/04723634805a69732e6b744547b0-200x200-1.jpg","attrs":{"Brand Name":"Crystro","Model Number":"SCR-2026-08-26-01","Thickness":"0.5 mm","Surface Roughness":"Ra \u2264 1 nm\uff08 EPI grade\uff09","Lattice Constant":"12.497 \u00b1 0.003 \u00c5","Dislocation Density":"\u2264 10 cm\u207b\u00b2","Polishing":"Single-side or double-side","Growth Method":"Czochralski (CZ)","Place of Origin":"China","Nominal Size":"1-2 inch","Crystal Structure":"Cubic, space group Ia3d","Payment Terms":"T\/T, Western Union,MoneyGram","Diameter Tolerance":"\u00b10.2 mm"}}