Patents by Inventor Weidong Huang
Weidong Huang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11951778Abstract: A sound absorber is configured as a rectangular hexahedral box and forms a porous double-layer Helmholtz resonance sound absorbing structure, at the same time, the sound absorber in the form of a box forms a structural resonance sound absorbing device itself, and the first-order natural mode frequency of the device is identical to that of a wheel air chamber. When the box-type sound absorbing structure is assembled in a wheel, double functions of absorbing acoustic resonance of the wheel air chamber under the organic combination of Helmholtz resonance sound absorption and structural resonance sound absorption can be realized.Type: GrantFiled: January 19, 2020Date of Patent: April 9, 2024Assignee: CITIC Dicastal Co., LTDInventors: Shiwen Xu, Mingbo Chen, Minglei Li, Shaobing Huang, Tiefeng Hu, Shuwei Feng, Dadong Wang, Weidong Liu
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Publication number: 20230234287Abstract: Disclosed are a 3D printing device with an extrusion port having a variable size and a control method thereof. The 3D printing device includes: a feeding portion with an inlet and an outlet for a material; a discharging portion with an extrusion port, where the extrusion port is capable of being in fluid communication with the outlet of the feeding portion to extrude the material, and the extrusion port is partitioned into a plurality of hole channels; and a control portion, configured to control, in a process of filling a single-communication region by utilizing the extrusion port, a relative movement between the feeding portion and the discharging portion, to change a quantity of hole channels in communication with the outlet of the feeding portion in the plurality of hole channels, thereby changing a size of the extrusion port.Type: ApplicationFiled: March 29, 2023Publication date: July 27, 2023Applicant: SUZHOU MEAMAN MACHINES CO., LTDInventor: Weidong HUANG
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Publication number: 20230062274Abstract: The present invention relates generally to methods of accurately quantifying HER2 and/or p95 expression in subjects with a HER2 positive cancer and indicating the risk of brain relapse in such patients.Type: ApplicationFiled: June 30, 2022Publication date: March 2, 2023Applicant: Laboratory Corporation of America HoldingsInventors: Weidong Huang, Jodi Weidler, Jeff Sperinde, Mojgan Haddad, Michael Bates, John William Winslow, Xueguang Jin, Gerald J. Wallweber, Jennifer W. Cook, Gundo Diedrich, Laurie Goodman, Ali Mukherjee, Gordon Parry, Stephen J. Williams
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Patent number: 11594247Abstract: Disclosed herein are sliders with at least one notch-cut in the trailing pad, methods of making them, and data storage devices comprising them. In some embodiments, a slider comprises a leading-edge surface, a trailing-edge surface, and an air-bearing surface (ABS) that includes a trailing pad situated closer to the trailing-edge surface than to the leading-edge surface, wherein the trailing pad comprises at least one notch-cut (e.g., two notch-cuts) in a trailing side of the trailing pad. The at least one notch-cut provides higher pressure at the recording head situated in the trailing pad and higher thermal flight control efficiency without a commensurate increase in touch-down power. As a result, the temperature around the recording head is lower than without the at least one notch-cut, thereby improving the lifetime of the recording head and data storage device.Type: GrantFiled: February 28, 2022Date of Patent: February 28, 2023Assignee: Western Digital Technologies, Inc.Inventors: Biao Sun, Weidong Huang
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Patent number: 11579148Abstract: The present invention relates generally to methods of accurately quantifying HER2 and/or p95 expression in subjects with a HER2 positive cancer and indicating the risk of brain relapse in such patients.Type: GrantFiled: October 22, 2018Date of Patent: February 14, 2023Inventors: Weidong Huang, Jodi Weidler, Jeff Sperinde, Mojgan Haddad, Michael Bates, John William Winslow, Xueguang Jin, Gerald J. Wallweber
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Publication number: 20230017560Abstract: Disclosed are a device for 3D printing and a control method thereof. The device includes: a feeding pipe, wherein an opening extending along an axial direction of the feeding pipe is disposed on an outer wall of the feeding pipe; a sleeve sleeved on the feeding pipe, wherein a discharge port in communication with the opening is disposed on an outer wall of the sleeve, the sleeve enables to rotate around an axis of the feeding pipe relative to the feeding pipe, to make the discharge port and the opening communicated or no longer communicated. Compared with conventional designs, the device utilizes a sleeve to provide a discharge port and sleeves the sleeve and the feeding pope together, thereby making the structure of the entire device more compact; moreover, printing suspension is realized by rotating the sleeve around the axis of the feeding pipe relative to the feeding pipe.Type: ApplicationFiled: September 28, 2022Publication date: January 19, 2023Applicant: SUZHOU MEAMAN MACHINES CO., LTDInventors: Weidong HUANG, Peng HUANG
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Patent number: 11433612Abstract: A device for 3D printing and a control method thereof are provided. The device includes: a feeding pipe, where an opening extending along an axial direction of the feeding pipe is disposed on an outer wall of the feeding pipe; and a sleeve sleeved on the feeding pipe, where a discharge port in communication with the opening is disposed on an outer wall of the sleeve. Compared with a conventional design, the above device utilizes a sleeve to provide a discharge port and sleeves the sleeve and the feeding pipe together, thereby making the structure of the entire device more compact.Type: GrantFiled: January 31, 2020Date of Patent: September 6, 2022Inventor: Weidong Huang
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Patent number: 11401344Abstract: The present invention relates generally to methods of accurately quantifying HER2 and/or p95 expression in subjects with a HER2 positive cancer and indicating the risk of brain relapse in such patients.Type: GrantFiled: October 22, 2018Date of Patent: August 2, 2022Assignee: Laboratory Corporation of America HoldingsInventors: Weidong Huang, Jodi Weidler, Jeff Sperinde, Mojgan Haddad, Michael Bates, John William Winslow, Xueguang Jin, Gerald J. Wallweber, Jennifer W. Cook, Gundo Diedrich, Laurie Goodman, Ali Mukherjee, Gordon Parry, Stephen J. Williams
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Patent number: 11104070Abstract: A 3D printing head, a 3D printing device and a control method of the 3D printing head are provided. The 3D printing head includes a feeding pipe, provided with an opening at its bottom; a shutter, disposed at the opening and slidably connected to the bottom, where the opening includes a region occluded by the shutter and a region not occluded by the shutter, and the region not occluded by the shutter forms a discharge port of the 3D printing head, where the discharge port includes a first end and a second end, and the first end and the second end define a length of the discharge port; and a drive apparatus, used to drive the shutter sliding at the opening to adjust the length of the discharge port. The 3D printing head makes it possible to take both printing efficiency and printing accuracy into account.Type: GrantFiled: August 21, 2018Date of Patent: August 31, 2021Inventor: Weidong Huang
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Patent number: 10984828Abstract: Disclosed herein are embodiments of sliders in which the length of the slider is less than or equal to its width. Also disclosed are data storage devices (e.g., hard disk drives) comprising such sliders. The sliders may include one or more air-bearing surface features to compensate for the lower aspect ratio and to meet performance targets (fly height, roll stiffness, etc.). Such features may include, for example, a trailing-edge pad (which may include an efficiency-flattening hole), a first cavity between a first side of the trailing-edge pad and a first side edge, and a non-intersecting second cavity between a second side of the trailing-edge pad and a second side edge. A slider may also or alternatively include a leading pad and, in some embodiments, a particle trapping structure between the leading pad and the slider's leading edge.Type: GrantFiled: June 26, 2020Date of Patent: April 20, 2021Assignee: Western Digital Technologies, Inc.Inventors: Weidong Huang, Xiaojuan Ran, John Herber, Biao Sun
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Patent number: 10910005Abstract: Disclosed here is a ramp for receiving a lift tab of a hard disk drive. The ramp comprises a first side and a second side, where the first side is spaced apart from the second side. The ramp also comprises an inclined surface along which the lift tab slides as it moves in a first direction to remove a read/write head from a disk of the hard disk drive. The inclined surface inclines from a leading edge of the ramp to an intermediate edge of the ramp in the first direction. The inclined surface has a width that is generally perpendicular to the first direction and extends from the first side to the second side. The inclined surface has a width that is generally perpendicular to the first direction and extends from the first side to the second side. The tapered portion defines an oblique angle relative to the first direction.Type: GrantFiled: March 18, 2020Date of Patent: February 2, 2021Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.Inventors: Kia Moh Teo, Biao Sun, Weidong Huang
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Patent number: 10891981Abstract: Disclosed herein are slider designs having improved trailing air flow dams, and data storage devices including such sliders. In some embodiments, a slider comprises a trailing edge and an air-bearing surface (ABS) comprising a trailing edge pad, and a trailing air flow dam coupled to the trailing edge pad, wherein, in an ABS view of the slider, the trailing air flow dam is recessed from and curves away from the trailing edge. In the ABS view, a shape of the trailing air flow dam may comprise two segments. The slider also has a leading edge and may at least one sub-ambient pressure cavity adjacent to the trailing air flow dam and disposed between the trailing air flow dam and the leading edge. A contact point of the trailing air flow dam may be at least 50 microns from a corner of the slider.Type: GrantFiled: June 3, 2020Date of Patent: January 12, 2021Assignee: Western Digital Technologies, Inc.Inventors: Yong Hu, Weidong Huang, David E. Fowler, Taichi Nakamura
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Patent number: 10832718Abstract: Disclosed herein are sliders that include at least one leading-edge pocket, data storage devices comprising such sliders, and methods of manufacturing such sliders. The at least one leading-edge pocket increases the amount of gas flowing into the leading edge area of the ABS, which can improve the performance of the slider in low-pressure environments, such as sealed helium data storage devices. The at least one leading-edge pocket can have a variety of shapes, sizes, and features to achieve the desired slider performance (e.g., fly height, stability, etc.) in low-pressure environments.Type: GrantFiled: March 26, 2020Date of Patent: November 10, 2020Assignee: Western Digital Technologies, Inc.Inventors: Yong Hu, Weidong Huang
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Publication number: 20200312357Abstract: Disclosed herein are slider designs having improved trailing air flow dams, and data storage devices including such sliders. In some embodiments, a slider comprises a trailing edge and an air-bearing surface (ABS) comprising a trailing edge pad, and a trailing air flow dam coupled to the trailing edge pad, wherein, in an ABS view of the slider, the trailing air flow dam is recessed from and curves away from the trailing edge. In the ABS view, a shape of the trailing air flow dam may comprise two segments. The slider also has a leading edge and may at least one sub-ambient pressure cavity adjacent to the trailing air flow dam and disposed between the trailing air flow dam and the leading edge. A contact point of the trailing air flow dam may be at least 50 microns from a corner of the slider.Type: ApplicationFiled: June 3, 2020Publication date: October 1, 2020Applicant: Western Digital Technologies, Inc.Inventors: Yong HU, Weidong HUANG, David E. FOWLER, Taichi NAKAMURA
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Publication number: 20200307092Abstract: A device for 3D printing and a control method thereof are provided. The device includes: a feeding pipe, where an opening extending along an axial direction of the feeding pipe is disposed on an outer wall of the feeding pipe; and a sleeve sleeved on the feeding pipe, where a discharge port in communication with the opening is disposed on an outer wall of the sleeve. Compared with a conventional design, the above device utilizes a sleeve to provide a discharge port and sleeves the sleeve and the feeding pipe together, thereby making the structure of the entire device more compact.Type: ApplicationFiled: January 31, 2020Publication date: October 1, 2020Inventor: Weidong HUANG
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Publication number: 20200227079Abstract: Disclosed herein are sliders that include at least one leading-edge pocket, data storage devices comprising such sliders, and methods of manufacturing such sliders. The at least one leading-edge pocket increases the amount of gas flowing into the leading edge area of the ABS, which can improve the performance of the slider in low-pressure environments, such as sealed helium data storage devices. The at least one leading-edge pocket can have a variety of shapes, sizes, and features to achieve the desired slider performance (e.g., fly height, stability, etc.) in low-pressure environments.Type: ApplicationFiled: March 26, 2020Publication date: July 16, 2020Applicant: Western Digital Technologies, Inc.Inventors: Yong HU, Weidong HUANG
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Patent number: 10714135Abstract: Disclosed herein are slider designs having improved trailing air flow dams, and data storage devices including such sliders. In some embodiments, a slider comprises a trailing edge and an air-bearing surface (ABS) comprising a trailing edge pad, and a trailing air flow dam coupled to the trailing edge pad, wherein, in an ABS view of the slider, the trailing air flow dam is recessed from and curves away from the trailing edge. In the ABS view, a shape of the trailing air flow dam may comprise two segments. The slider also has a leading edge and may at least one sub-ambient pressure cavity adjacent to the trailing air flow dam and disposed between the trailing air flow dam and the leading edge. A contact point of the trailing air flow dam may be at least 50 microns from a corner of the slider.Type: GrantFiled: March 29, 2019Date of Patent: July 14, 2020Assignee: Western Digital Technologies, Inc.Inventors: Yong Hu, Weidong Huang, David E. Fowler, Taichi Nakamura
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Publication number: 20200152233Abstract: Disclosed herein are sliders having air-bearing surface (ABS) designs to mitigate the effects of smear on near-field transducers used in data storage devices, and data storage devices comprising such sliders. A slider comprises a leading edge, a trailing edge, a NFT, and an ABS with features to increase oxygen concentration near the NFT. The ABS comprises a channel configured to direct gas in a direction from the leading edge toward the trailing edge and a funnel region connected to the channel, disposed between the channel and the NFT, and configured to receive gas from the channel. In an ABS view of the slider, a width of the funnel region along a longitudinal axis passing through the NFT monotonically increases with distance from the NFT.Type: ApplicationFiled: November 12, 2018Publication date: May 14, 2020Applicant: Western Digital Technologies, Inc.Inventors: Nan LIU, Weidong HUANG
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Patent number: 10629236Abstract: Disclosed herein are sliders having air-bearing surface (ABS) designs to mitigate the effects of smear on near-field transducers used in data storage devices, and data storage devices comprising such sliders. A slider comprises a leading edge, a trailing edge, a NFT, and an ABS with features to increase oxygen concentration near the NFT. The ABS comprises a channel configured to direct gas in a direction from the leading edge toward the trailing edge and a funnel region connected to the channel, disposed between the channel and the NFT, and configured to receive gas from the channel. In an ABS view of the slider, a width of the funnel region along a longitudinal axis passing through the NFT monotonically increases with distance from the NFT.Type: GrantFiled: November 12, 2018Date of Patent: April 21, 2020Assignee: Western Digital Technologies, Inc.Inventors: Nan Liu, Weidong Huang
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Patent number: 10468071Abstract: Disclosed herein is a magnetic storage device that comprises a housing defining an interior cavity. The magnetic storage device also comprises at least one magnetic disk in the interior cavity of the housing. The magnetic storage device further comprises at least one read-write head in the interior cavity and configured to read data from and write data to the magnetic disk. The read-write head comprises a heat-assisted magnetic storage (HAMR) head. The magnetic storage device additionally comprises a gas, comprising oxygen and helium, sealed in the interior cavity of the housing. A percent concentration of oxygen in the gas is greater than or equal to 3%. A pressure of the gas is between 10% and 70%, inclusive, of atmospheric pressure. A relative humidity within the interior cavity is less than 5%, inclusive. A percent concentration of helium in the gas is less than or equal to 90%.Type: GrantFiled: June 1, 2018Date of Patent: November 5, 2019Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.Inventors: Kenji Tasaka, Yuichiro Sano, Ehsan Rismaniyazdi, Barry Stipe, Nobuyuki Okunaga, Erhard Schreck, Oscar Ruiz, Qing Dai, Sripathi V. Canchi, Weidong Huang, Yong Hu, Kenji Kuroki