Metallic glass sheet

Patent Granted PROBLEM TO BE SOLVED: To provide a large-size Zr-based metallic glass sheet reduced in crystal content. ; SOLUTION: The Zr-based metallic glass sheet is a material having a critical cooling rate lower than 10,000 K/s among Zr-based metallic glass sheets, and is characterized in that the thickness, width and length are 0.5 to <2 mm, >=100 mm and >=100 mm, respectively, and crystal content is <=30%.