Atomic layer etching methods and apparatus

D Smith, T Lill, A Fischer - US Patent 10,692,724, 2020 - Google Patents
A method for performing atomic layer etching of a surface of a substrate is provided,
including: performing a surface conversion operation by exposing the surface of the …

Processing of workpieces with reactive species generated using alkyl halide

MX Yang, H Chung, X Lu - US Patent 11,387,111, 2022 - Google Patents
Methods for material removal of a film, such as a metal nitride film, from a workpiece are
provided. One example implementation is directed to a method for processing a workpiece …

Electron bias control signals for electron enhanced material processing

SF Sando, SJ Anz, DI Margolese… - US Patent …, 2023 - Google Patents
Abstract Systems and methods for material processing using wafer scale waves of precisely
controlled electrons in a DC plasma is presented. A surface floating potential of a substrate …

DC plasma control for electron enhanced material processing

WA Goddard, SF Sando, SJ Anz… - US Patent …, 2023 - Google Patents
Systems and methods for material processing using wafer scale waves of precisely
controlled electrons in a DC plasma is presented. The anode and cathode of a DC plasma …

DC plasma control for electron enhanced material processing

WA Goddard, SF Sando, SJ Anz… - US Patent …, 2023 - Google Patents
Abstract Systems and methods for material processing using wafer scale waves of precisely
controlled electrons in a DC plasma is presented. The anode and cathode of a DC plasma …

DC plasma control for electron enhanced material processing

WA Goddard, SF Sando, SJ Anz… - US Patent …, 2023 - Google Patents
Abstract Systems and methods for material processing using wafer scale waves of precisely
controlled electrons in a DC plasma is presented. The anode and cathode of a DC plasma …

高能量原子层蚀刻

杨文兵, 萨曼莎, 塔玛尔, 穆克吉, 克伦, 雅各布斯… - 2020 - Google Patents
H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the
devices having at least one potential-jump barrier or surface barrier, eg PN junction …

Atomic layer etching by electron wavefront

SJ Anz, DI Margolese, WA Goddard… - US Patent …, 2024 - Google Patents
Atomic layer etching of a substrate using a wafer scale wave of precisely controlled
electrons is presented. A volume of gaseous plasma including diluent and reactive species …

Electron bias control signals for electron enhanced material processing

SF Sando, SJ Anz, DI Margolese… - US Patent …, 2024 - Google Patents
Abstract Systems and methods for material processing using wafer scale waves of precisely
controlled electrons in a DC plasma is presented. A surface floating potential of a substrate …

Atomic layer etching by electron wavefront

SJ Anz, DI Margolese, WA Goddard… - US Patent …, 2024 - Google Patents
Atomic layer etching (ALE) of a substrate using a wafer scale wave of precisely controlled
electrons is presented. A volume of gaseous plasma including diluent and reactive species …