Home / Standards / GB/T 1551 GB/T 1551 Active Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method 硅单晶电阻率的测定 直排四探针法和直流两探针法 Standard Type GBT ICS 77.040 CCS H21 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委