Inventor
PARK CHANDO
US60 patents
⚠️ This page may combine multiple inventors who share the name “PARK CHANDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
29 patentsUS9379314B2Jun 28, 2016
Hybrid synthetic antiferromagnetic layer for perpendicular magnetic tunnel junction (MTJ)
QUALCOMM INC65 citations98
US9634237B2Apr 25, 2017
Ultrathin perpendicular pinned layer structure for magnetic tunneling junction devices
QUALCOMM INC46 citations97
US10483457B1Nov 19, 2019
Differential spin orbit torque magnetic random access memory (SOT-MRAM) cell structure and array
QUALCOMM INC43 citations94
US10381060B2Aug 13, 2019
High-speed, low power spin-orbit torque (SOT) assisted spin-transfer torque magnetic random access memory (STT-MRAM) bit cell array
QUALCOMM INC25 citations94
US10311930B1Jun 4, 2019
One-time programming (OTP) magneto-resistive random access memory (MRAM) bit cells in a physically unclonable function (PUF) memory in breakdown to a memory state from a previous read operation to provide PUF operations
QUALCOMM INC29 citations94
US10043967B2Aug 7, 2018
Self-compensation of stray field of perpendicular magnetic elements
QUALCOMM INC36 citations94
US9824735B1Nov 21, 2017
System and method to generate a random number
QUALCOMM INC34 citations94
US9142762B1Sep 22, 2015
Magnetic tunnel junction and method for fabricating a magnetic tunnel junction
QUALCOMM INC45 citations94
US9269893B2Feb 23, 2016
Replacement conductive hard mask for multi-step magnetic tunnel junction (MTJ) etch
QUALCOMM INC22 citations93
US10636962B2Apr 28, 2020
Spin-orbit torque (SOT) magnetic tunnel junction (MTJ) (SOT-MTJ) devices employing perpendicular and in-plane free layer magnetic anisotropy to facilitate perpendicular magnetic orientation switching, suitable for use in memory systems for storing data
QUALCOMM INC9 citations84
US10460785B1Oct 29, 2019
Parallel write scheme utilizing spin hall effect-assisted spin transfer torque random access memory
QUALCOMM INC8 citations84
US10460780B2Oct 29, 2019
Magneto-resistive random access memory (MRAM) employing an integrated physically unclonable function (PUF) memory
QUALCOMM INC7 citations84
US10249814B1Apr 2, 2019
Dynamic memory protection
QUALCOMM INC8 citations84
US10134808B2Nov 20, 2018
Magnetic tunnel junction (MTJ) devices with heterogeneous free layer structure, particularly suited for spin-torque-transfer (STT) magnetic random access memory (MRAM) (STT MRAM)
QUALCOMM INC8 citations84
US10096649B2Oct 9, 2018
Reducing or avoiding metal deposition from etching magnetic tunnel junction (MTJ) devices, including magnetic random access memory (MRAM) devices
QUALCOMM INC7 citations84
US9620706B2Apr 11, 2017
Magnetic etch stop layer for spin-transfer torque magnetoresistive random access memory magnetic tunnel junction device
QUALCOMM INC10 citations84
US9614147B2Apr 4, 2017
Hybrid synthetic antiferromagnetic layer for perpendicular magnetic tunnel junction (MTJ)
QUALCOMM INC6 citations84
US9601687B2Mar 21, 2017
Dual interface free layer with amorphous cap layer for perpendicular magnetic tunnel junction
QUALCOMM INC8 citations84
US9590010B1Mar 7, 2017
Perpendicular magnetic tunnel junction (pMTJ) devices employing a thin pinned layer stack and providing a transitioning start to a body-centered cubic (BCC) crystalline / amorphous structure below an upper anti-parallel (AP) layer
QUALCOMM INC18 citations84
US9870811B2Jan 16, 2018
Physically unclonable function based on comparison of MTJ resistances
QUALCOMM INC10 citations83
US10547460B2Jan 28, 2020
Message-based key generation using physical unclonable function (PUF)
QUALCOMM INC4 citations73
US9728718B2Aug 8, 2017
Magnetic tunnel junction (MTJ) device array
QUALCOMM INC3 citations73
US9721634B2Aug 1, 2017
Decoupling of source line layout from access transistor contact placement in a magnetic tunnel junction (MTJ) memory bit cell to facilitate reduced contact resistance
QUALCOMM INC3 citations73
US9666792B2May 30, 2017
Shadow-effect compensated fabrication of magnetic tunnel junction (MTJ) elements
QUALCOMM INC3 citations73
US9570509B2Feb 14, 2017
Magnetic tunnel junction (MTJ) device array
QUALCOMM INC2 citations73
US9548446B2Jan 17, 2017
Synthetic antiferromagnet (SAF) coupled free layer for perpendicular magnetic tunnel junction (P-MTJ)
QUALCOMM INC4 citations73
US9349939B2May 24, 2016
Etch-resistant protective coating for a magnetic tunnel junction device
QUALCOMM INC3 citations73
US10431734B2Oct 1, 2019
Engineered barrier layer interface for high speed spin-transfer torque magnetic random access memory
QUALCOMM INC1 citations62
US9444035B2Sep 13, 2016
Magnesium oxide capping with a shorted path for perpendicular magnetic tunnel junction devices and method for fabrication
QUALCOMM INC2 citations62
APPLIED MATERIALS INC
9 patentsUS10756259B2Aug 25, 2020
Spin orbit torque MRAM and manufacture thereof
APPLIED MATERIALS INC3 citations72
US12201030B2Jan 14, 2025
Spin-orbit torque MRAM structure and manufacture thereof
APPLIED MATERIALS INC0 citations62
US12075628B2Aug 27, 2024
Magnetic memory devices and methods of formation
APPLIED MATERIALS INC0 citations62
US11818959B2Nov 14, 2023
Methods for forming structures for MRAM applications
APPLIED MATERIALS INC0 citations62
US11723283B2Aug 8, 2023
Spin-orbit torque MRAM structure and manufacture thereof
APPLIED MATERIALS INC0 citations62
US11621393B2Apr 4, 2023
Top buffer layer for magnetic tunnel junction application
APPLIED MATERIALS INC0 citations62
US11145808B2Oct 12, 2021
Methods for etching a structure for MRAM applications
APPLIED MATERIALS INC0 citations62
US11069853B2Jul 20, 2021
Methods for forming structures for MRAM applications
APPLIED MATERIALS INC0 citations62
US10923652B2Feb 16, 2021
Top buffer layer for magnetic tunnel junction application
APPLIED MATERIALS INC0 citations62
WESTERN DIGITAL FREMONT LLC
3 patentsUS8381391B2Feb 26, 2013
Method for providing a magnetic recording transducer
WESTERN DIGITAL FREMONT LLC148 citations99
US9064507B1Jun 23, 2015
Magnetic etch-stop layer for magnetoresistive read heads
WESTERN DIGITAL FREMONT LLC5 citations84
US9214168B1Dec 15, 2015
Method and system for providing a magnetic transducer having improved shield-to-shield spacing
WESTERN DIGITAL FREMONT LLC4 citations73
HGST Netherlands BV
3 patentsUS8958180B1Feb 17, 2015
Capping materials for magnetic read head sensor
HGST Netherlands BV10 citations84
US8619394B1Dec 31, 2013
Magnetic tunnel junction with barrier cooling for magnetic read head
HGST Netherlands BV9 citations84
US9318133B2Apr 19, 2016
Recessed antiferromagnetic design with antiparallel pinned stitch layers for improved pinning field
HGST Netherlands BV7 citations83
PAKALA MAHENDRA
2 patentsPARK CHANDO
2 patentsLENG QUNWEN
1 patentGAO ZHENG
1 patentShowing the top 50 of 60 patents by PatentIndex Score.