US Patent 11094338 SOT film stack for differential reader

Patent 11094338 was granted and assigned to Western Digital on August, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Current Assignee

Western Digital

Date Filed

September 23, 2020

Date of Patent

August 17, 2021

Patent Applicant

Western Digital

Patent Application Number

20200923

Patent Citations Received

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US Patent 12136446 TDMR SOT read heads having recessed topological insulator materials

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US Patent 11694713 BiSb topological insulator with novel buffer layer that promotes a BiSb (012) orientation

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US Patent 11763973 Buffer layers and interlayers that promote BiSbx (012) alloy orientation for SOT and MRAM devices

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US Patent 11776567 SOT film stack for differential reader

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US Patent 11783853 Topological insulator based spin torque oscillator reader

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US Patent 11875827 SOT reader using BiSb topological insulator

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US Patent 11908496 BiSbX (012) layers having increased operating temperatures for SOT and MRAM devices

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US Patent 12125508 Topological insulator based spin torque oscillator reader

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US Patent 12125512 Doping process to refine grain size for smoother BiSb film surface

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US Patent 11489108 BiSb topological insulator with seed layer or interlayer to prevent sb diffusion and promote BiSb (012) orientation

•••

Patent Inventor Names

Brian R. York

Cherngye Hwang

Hisashi Takano

Kuok San Ho

Quang Le

Xiaoyong Liu

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

11094338

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