Inventor
YAN XUN
CN7 patents
⚠️ This page may combine multiple inventors who share the name “YAN XUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANGXIN MEMORY TECH INC
5 patentsUS12336163B2Jun 17, 2025
Method of forming bit line contact structure using series of pickling processes to remove native oxide on surface of the active areas
CHANGXIN MEMORY TECH INC1 citations60
US12150296B2Nov 19, 2024
Method for manufacturing semiconductor bit line contact region with different doped impurity concentrations
CHANGXIN MEMORY TECH INC0 citations58
US11868053B2Jan 9, 2024
Method for accurately obtaining photolithography parameter
CHANGXIN MEMORY TECH INC0 citations58
US12513897B2Dec 30, 2025
Semiconductor structure having void in a bit line contact structure
CHANGXIN MEMORY TECH INC0 citations48
US11984347B2May 14, 2024
Semiconductor structure and method for forming same
CHANGXIN MEMORY TECH INC0 citations48