Seagate Technology Incorporated

Xiaoyue Huang

Michael C Kautzky

Tong Zhao

Michael Allen Seigler

Yuhang Cheng

Scott Michael Franzen

Justin Glen Brons

Seung-Yeul Yang

Chubing Peng

YongJun Zhao

Sarbeswar Sahoo

William Albert Challener

Amit Vasant Itagi

Kurt W Wierman

Steven Carl Riemer

Steve C Riemer

Meng Zhu

Song Chen

Ziyou Zhou

Jay Jayashankar

Kaizhong Gao

Xuhui Jin

Zoran Jandric

John Charles Duda

Tae-Woo Lee

Karim Tatah

Manuel Charles Anaya-Dufresne

Hui Brickner

Lijuan Zou

Douglas Hampton Cole

Yi-Kuei Ryan Wu

William Paul Vavra

Minna Hovinen

Robert Anthony Fernandez

Deming Zhang

A first layer that includes a metal seed layer, a refractive seed or a refractive dopant is formed on a dielectric substrate. A peg of a near-field transducer is formed on the first layer such that a first surface of the peg is formed on and is in contact with the metal seed. An adhesive layer is formed over the peg using atomic layer deposition. The adhesive layer includes alumina and is 4 nm or less in thickness. A silicon dioxide overcoat is deposited over the adhesive layer. The alumina bonds the silicon dioxide to the peg.

Method of for bonding noble metal structure with a dielectric layer using an adhesive layer

A recording head includes a structure such as a near-field transducer formed of a noble metal. An adhesive layer is formed over a surface of the structure. The adhesive layer includes alumina and is 4 nm or less in thickness. A silicon dioxide layer is formed over the adhesive layer. The adhesive layer bonds the silicon dioxide to the structure.

Adhesive layer for bonding noble metal structure with a dielectric layer

In a method for depositing a layer of amorphous hydrogenated silicon carbide (SiC:H), a gas mixture comprising a reactive gas to inert gas volume ratio of 1:12 to 2:3 is introduced into a reaction chamber of a plasma-enhanced chemical vapor deposition apparatus. The reactive gas has a ratio of Si of 50 to 60, C of 3 to 13, and H of 32 to 42 at %. The inert gas comprises i) a first inert gas selected from helium, neon and mixtures; and ii) a second inert gas selected from argon, krypton, xenon and mixtures. The reaction plasma is at a power frequency of 1-16 MHz at a power level of 100 W to 700 W. The resulting layer exhibits a refractive index of not less than 2.4 and a loss of not more than 180 dB/cm at an indicated wavelength within 800 to 900 nm.

High refractive index hydrogenated silicon carbide and process

Devices that include a near field transducer (NFT), the NFT having at least one external surface; and at least one adhesion layer positioned on at least a portion of the at least one external surface, the adhesion layer including oxides of yttrium, oxides of scandium, oxides of lanthanoids, oxides of actionoids, oxides of zinc, or combinations thereof.

Devices including at least one adhesion layer and methods of forming adhesion layers

Devices that include a near field transducer (NFT) including a crystalline plasmonic material having crystal grains and grain boundaries; and nanoparticles disposed in the crystal grains, on the grain boundaries, or some combination thereof, wherein the nanoparticles are oxides of, lanthanum (La), barium (Ba), strontium (Sr), erbium (Er), hafnium (Hf), germanium (Ge), or combinations thereof; nitrides of zirconium (Zr), niobium (Nb), or combinations thereof; or carbides of silicon (Si), aluminum (Al), boron (B), zirconium (Zr), tungsten (W), titanium (Ti), niobium (Nb), or combinations thereof.

Devices including a near field transducer (NFT) with nanoparticles

Devices having an air bearing surface (ABS), the devices include a write pole; a near field transducer (NFT) including a peg and a disc, wherein the peg is at the ABS of the device; an overcoat, the overcoat including a low surface energy layer.

Devices including an overcoat layer

A device that includes a near field transducer (NFT); at least one cladding layer adjacent the NFT; and a carbon interlayer positioned between the NFT and the at least one cladding layer.

Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between

Waveguides that include a top cladding layer; a bottom cladding layer; and a core layer positioned between the top cladding layer and the bottom cladding layer, the core layer including a material having a refractive index of not less than 2.1, for example amorphous hydrogenated silicon carbide (SiC:H), or bismuth titanate. Methods of forming core layers of waveguides are also disclosed.

Waveguides including novel core materials

Disclosed are devices that include a near field transducer (NFT), the NFT having a peg and a disc and the peg including peg material and at least one associated amorphous blocker layer, wherein the amorphous blocker layer includes an amorphous metal alloy and the amorphous blocker layer is within the peg material, on one or more surfaces of the peg material, or both.

Devices including a NFT having at least one amorphous alloy layer

A magnetic device including a magnetic writer; and an overcoat positioned over at least the magnetic writer, the overcoat including oxides of yttrium, oxides of scandium, oxides of lanthanoids, oxides of actionoids, oxides of zinc, or combinations thereof.

Magnetic devices with overcoats

Devices that include a near field transducer (NFT); an amorphous gas barrier layer positioned on at least a portion of the NFT; and a wear resistance layer positioned on at least a portion of the gas barrier layer.

Devices including an amorphous gas barrier layer

A waveguide core extends from an input coupler towards a media-facing surface of a read/write head. A cap is located between a terminating end of the waveguide core and the media-facing surface. The cap is formed of a high index of refraction, high-corrosion resistant material that is different than a material used to form the waveguide core. A near-field transducer is proximate the cap in a down-track direction. A head overcoat on the media-facing surface covers the cap.

Corrosion resistance cap located on end of waveguide core

A device including a near field transducer (NFT); a write pole; at least one dielectric material positioned between the NFT and the write pole; and an adhesion layer positioned between the NFT and the at least one dielectric material.

Growing community of inventors

Eden Prairie, MN, United States of America

Xiaoyue Huang