Vertical cavity surface emitting laser, head gimbal assembly, and fabrication process

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11817677
APP PUB NO 20220407288A1
SERIAL NO

17839172

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments of the present disclosure generally relate to a vertical cavity surface emitting laser (VCSEL), a head gimbal assembly for mounting a VCSEL, devices incorporating such articles, and to a process for forming a VCSEL. In an embodiment, a VCSEL device provided. The VCSEL device includes a chip for mounting on a slider, the chip having a plurality of surfaces and a notch, the plurality of surfaces comprising: a bottom surface for facing the slider; a top surface opposite the bottom surface; and a plurality of side surfaces, wherein the notch forms a recessed edge spaced away from the bottom surface and toward the top surface, the notch having a shoulder, a side, and an angle (θ1) between the shoulder and the side. The VCSEL device further includes two laser diode electrodes positioned in any combination on one or more of the plurality of surfaces of the chip.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Takuya San Jose, US 309 3445
Stipe, Barry C San Jose, US 44 965

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