Shield Designs for Two Dimensional Magnetic Recording Read Heads
US-2025391427-A1 · Dec 25, 2025 · US
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Mao Ming patents
Mao Ming is listed as an inventor on 91 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Mao Ming |
| Total patents | 91 |
| First publication | Mar 3, 2015 |
| Latest publication | Dec 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Dual Free Layer TMR Reader with Shaped Rear Bias and Methods of Forming Thereof
US-2025391430-A1 · Dec 25, 2025 · US
Middle Shields Two-Dimensional Magnetic Recording Read Heads
US-2025266056-A1 · Aug 21, 2025 · US
Pinned Shield with Controllable Exchange Bias Field
US-2025246204-A1 · Jul 31, 2025 · US
Pinned shield with controllable exchange bias field
US-12374356-B1 · Jul 29, 2025 · US
Middle shields two-dimensional magnetic recording read heads
US-12322420-B2 · Jun 3, 2025 · US
Produce thinner DTS and adjustable capacitance for TDMR heads
US-12308052-B2 · May 20, 2025 · US
Dual free layer read head having recessed sidewall insulator layer and method of making thereof
US-12243565-B2 · Mar 4, 2025 · US
Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming Thereof
US-2025014594-A1 · Jan 9, 2025 · US
Dual free layer read head having recessed sidewall insulator layer and method of making thereof
US-2024404552-A1 · Dec 5, 2024 · US
Recent patents
Latest publications not already listed above.
Two-dimensional magnetic recording read head with TaOx layer for flat middle shield topography and method of forming thereof
US-12131759-B2 · Oct 29, 2024 · US
Produce Thinner DTS and Adjustable Capacitance for TDMR Heads
US-2024347073-A1 · Oct 17, 2024 · US
DFL read head with SiOx cap layer on AlOx refill layers
US-12106787-B1 · Oct 1, 2024 · US
Two-Dimensional Magnetic Recording Read Head with TaOx Layer for Flat Middle Shield Topography and Method of Forming Thereof
US-2024153533-A1 · May 9, 2024 · US
Middle Shields Two-Dimensional Magnetic Recording Read Heads
US-2024144966-A1 · May 2, 2024 · US
Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of Forming Thereof
US-2024071413-A1 · Feb 29, 2024 · US
Magnetic sensor array with different RA TMR film
US-11598828-B2 · Mar 7, 2023 · US
Vertical junction to provide optimal transverse bias for dual free layer read heads
US-11532324-B2 · Dec 20, 2022 · US
Planar design for sensors in a dual free layer read head
US-11514934-B1 · Nov 29, 2022 · US
Method to enhance magnetic strength and robustness of rear hard bias for dual free layer read
US-11514933-B1 · Nov 29, 2022 · US
Magnetic sensor with dual TMR films and the method of making the same
US-11493573-B2 · Nov 8, 2022 · US
Magnetic sensor array with single TMR film plus laser annealing and characterization
US-11495252-B2 · Nov 8, 2022 · US
High sensitivity TMR magnetic sensor
US-11428758-B2 · Aug 30, 2022 · US
Magnetic sensor array with one TMR stack having two free layers
US-11415645-B2 · Aug 16, 2022 · US
Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction
US-11410690-B2 · Aug 9, 2022 · US
TMR sensor with magnetic tunnel junctions with shape anisotropy
US-11385306-B2 · Jul 12, 2022 · US
Magnetic sensor array with dual TMR film
US-11385305-B2 · Jul 12, 2022 · US
Vertical Junction To Provide Optimal Transverse Bias For Dual Free Layer Read Heads
US-2022115035-A1 · Apr 14, 2022 · US
Magnetic Sensor Array With Single TMR Film Plus Laser Annealing And Characterization
US-2022005500-A1 · Jan 6, 2022 · US
Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction
US-2021390978-A1 · Dec 16, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Western Digital Tech Inc | 49 |
| Western Digital Fremont Llc | 21 |
| Western Digital (Fremont) Llc | 19 |
| Sandisk Technologies Llc | 1 |
| Electronic Arts Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G11B5/3912 | 53 |
| G11B5/3909 | 45 |
| G11B5/3932 | 38 |
| G11B5/398 | 34 |
| G11B5/3163 | 32 |