Assignee
XIAN ESWIN MATERIAL TECHNOLOGY CO LTD
CN·14 granted patents·2 citations·filing 2020–2022
Top patents by PatentIndex Score
14 records- 0189US12138743B2Polishing deviceXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2020·Granted Nov 12, 2024·2 cites·7 claims
- 0267US12486591B2Acquisition equipment and method for acquiring nitrogen-doped silicon melt and manufacturing system of nitrogen-doped monocrystalline siliconXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Dec 2, 2025·0 cites·14 claims
- 0361US12209326B2Silicon material processing apparatus, silicon ingot production equipment, and silicon material processing methodXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Jan 28, 2025·0 cites·7 claims
- 0457US11839945B2Polishing pad, method for preparing the same, and chemical and mechanical polishing equipmentXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2020·Granted Dec 12, 2023·0 cites·20 claims
- 0556US12116693B2Cylinder assembly for improving region of defect-free growth of crystal ingot for single crystal pulling apparatus and single crystal pulling apparatusXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2021·Granted Oct 15, 2024·0 cites·8 claims
- 0652US11932961B2Assembly sleeve of single crystal pulling apparatus, and single crystal pulling apparatusXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2021·Granted Mar 19, 2024·0 cites·12 claims
- 0752US11629985B2Method for regulating inert gas flow, method for preparing monocrystalline silicon, and monocrystalline siliconXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2020·Granted Apr 18, 2023·0 cites·12 claims
- 0849US12227871B2Quartz crucible and crystal pullerXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Feb 18, 2025·0 cites·3 claims
- 0948US12486592B2Heater in hot-zone of single crystal pulling apparatus and single crystal pulling apparatusXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2021·Granted Dec 2, 2025·0 cites·16 claims
- 1047US12291796B2Method for growing single-crystal silicon ingots and single-crystal silicon ingotsXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted May 6, 2025·0 cites·5 claims
- 1145US12384075B2Processing method and system for reducing warp of nitrogen-doped waferXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Aug 12, 2025·0 cites·3 claims
- 1245US12264409B2Heater assembly and single crystal pullerXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Apr 1, 2025·0 cites·7 claims
- 1340US12183616B2Method and system for positioning center of V-type notch of wafer, and computer storage mediumXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2022·Granted Dec 31, 2024·0 cites·7 claims
- 1427US12252805B2Single crystal pulling apparatus hot-zone structure, single crystal pulling apparatus and crystal ingotXIAN ESWIN MATERIAL TECHNOLOGY CO LTD·Filed 2021·Granted Mar 18, 2025·0 cites·16 claims
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