Vertical cavity surface emitting laser and head gimbal assembly
AssigneeWestern Digital Technologies, Inc.
InventorTakuya MATSUMOTO
Life of this patent
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Abstract
Embodiments of the present disclosure generally relate to a vertical cavity surface emitting laser, a head gimbal assembly for mounting a vertical cavity surface emitting laser, and devices incorporating such articles. In an embodiment, a vertical cavity surface emitting laser (VCSEL) device is provided. The VCSEL device includes a chip for mounting on a slider and two laser diode electrodes. The chip has six surfaces, wherein a first surface of the chip is for facing the slider, a second surface of the chip is opposite the first surface, and the two laser diode electrodes are positioned in any combination on one or more of a third surface, a fourth surface, a fifth surface, or a sixth surface of the chip.
Claims22
A vertical cavity surface emitting laser (VCSEL) device, comprising:
- a chip for mounting on a slider, the chip comprising six surfaces, wherein:
- a first surface of the chip is for facing the slider, the first surface of the chip comprising a pad to couple the chip to the slider;
- a second surface of the chip is opposite the first surface;
- and
- two laser diode electrodes positioned on the first surface and in any combination on one or more of a third surface, a fourth surface, a fifth surface, or a sixth surface of the chip, wherein the two laser diode electrodes are disposed adjacent to and spaced from the pad.
A head gimbal assembly, comprising:
- a suspension;
- a slider on the suspension;
- and
- a vertical cavity surface emitting laser (VCSEL) device on the slider, the VCSEL device comprising:
- a chip comprising six surfaces, wherein:
- a first surface of the chip comprises a pad coupled to the slider;
- and
- a second surface of the chip is opposite the first surface;
- and
- two laser diode electrodes positioned on the first surface and in any combination on one or more of a third surface, a fourth surface, a fifth surface, or a sixth surface of the chip, wherein the two laser diode electrodes are disposed adjacent to and spaced from the pad.
A head gimbal assembly, comprising:
- a metal pad;
- a vertical cavity surface emitting laser (VCSEL) device comprising:
- a chip comprising six surfaces, wherein:
- a first surface of the chip comprises a pad;
- the pad is coupled to the metal pad;
- and
- a second surface of the chip is opposite the first surface;
- and
- two laser diode electrodes positioned on the first surface and in any combination on one or more of a third surface, a fourth surface, a fifth surface, or a sixth surface of the chip, wherein the two laser diode electrodes are disposed adjacent to and spaced from the pad.
Dependencies are inferred from the claim text.