An electronic probe consists of a steel elongate base (10) having a conical tip (12) and a thin layer (14) of semi-conducting diamond on the tip (12). The diamond tip (16), viewed end-on, will generally have a radius of less than 3000 angstroms.
申请公布号
EP0354020(A3)
申请公布日期
1990.05.30
申请号
EP19890307862
申请日期
1989.08.02
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED