NHK Spring Assigned Patent

NHK Spring Co., Ltd., Kanagawa, Japan, has been assigned a patent (11,069,374) developed by Mashima, Akio, Aiko-gun, Japan, for a “method of restoring suspension of hard disk drive.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method of restoring a suspension of a hard disk drive includes detaching a slider, which is mounted on a tongue portion of the suspension via an adhesive, from the suspension, measuring a thickness of the adhesive in a cleaning area of the tongue portion, specifying a first residual area in which the thickness of the adhesive exceeds a threshold value, irradiating a first irradiation area including the first residual area locally with a first laser beam, and irradiating the cleaning area entirely with a second laser beam.”

The patent application was filed on May 9, 2018 (15/975,015).