Inventor

CHENG MEI

CN6 patents

⚠️ This page may combine multiple inventors who share the name “CHENG MEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

APPLIED MATERIALS INC

3 patents

US5304248AApr 19, 1994

Passive shield for CVD wafer processing which provides frontside edge exclusion and prevents backside depositions

APPLIED MATERIALS INC189 citations97

US4668338AMay 26, 1987

Magnetron-enhanced plasma etching process

APPLIED MATERIALS INC120 citations95

US5112435AMay 12, 1992

Materials and methods for etching silicides, polycrystalline silicon and polycides

APPLIED MATERIALS INC22 citations87

UNIV NORTH CHINA

2 patents

US10265746B2Apr 23, 2019

Rotary extrusion producing method for producing inner ring rib with large aspect ratio formed of hollow billet

UNIV NORTH CHINA3 citations71

US11813653B2Nov 14, 2023

Method for preparing large-size rare earth magnesium alloy high-performance ingots by short process severe plastic deformation

UNIV NORTH CHINA0 citations50

SHANXI ZHONGBEI RUIZHI JINGCHENG TECH CO LTD

1 patent

US12214394B2Feb 4, 2025

Mold for preparing large-size rare earth magnesium alloy ingot without tail shrinkage by back pressure severe plastic deformation

SHANXI ZHONGBEI RUIZHI JINGCHENG TECH CO LTD0 citations43