Patents Assigned to HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.
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Publication number: 20240149361Abstract: The invention discloses an electrochemical mechanical polishing/planarization equipment for processing a polishing surface of a conductive wafer substrate, which includes a power supply; a polishing table with conductivity; a polishing pad including an insulating active layer and having holes where a conductive chemical liquid is accommodated; a polishing head having conductivity and being attached to the back of the polishing surface. The power supply, the polishing table, the chemical liquid, the conductive wafer substrate, and the polishing head in sequence form a conductive loop, and an electrochemical reaction layer is formed on the polishing surface of the conductive wafer substrate. The polishing head drives the wafer substrate to move relative to the polishing pad, and to implement a mechanical polishing or a chemical mechanical polishing of the electrochemical reaction layer.Type: ApplicationFiled: January 19, 2023Publication date: May 9, 2024Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Yaomin DENG, Zhengting ZHU, Donghui WANG
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Publication number: 20240145279Abstract: The invention discloses a wafer position detection device comprising a mounting base, a trigger component and a fluid pressure detection component; the trigger component arranged on the mounting base comprises a top cover protruding from a surface of the mounting base, and a fluid delivery pipeline formed in an inner wall of the top cover; when a wafer is arranged on the top cover, the top cover moves in the direction close to the fluid delivery pipeline to block a fluid delivery port of the fluid delivery pipeline; when no wafer is arranged on the top cover, the top cover moves in the direction away from the fluid delivery pipeline under fluid pressure to open the fluid delivery port of the fluid delivery pipeline; the fluid pressure detection component makes indirect contact with the wafer through the top cover to indirectly detect the position of the wafer.Type: ApplicationFiled: October 20, 2021Publication date: May 2, 2024Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventor: Xiaoyu XU
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Patent number: 11961749Abstract: A device for detecting whether a wafer is present on a clamping jaw and detecting whether the wafer is parallel to a bottom of the clamping jaw. The device for detecting a wafer comprises: a wafer parallel measuring unit arranged in a CMP cleaning and drying device, and used for emitting a parallel measuring laser beam parallel to the bottom of the clamping jaw and receiving the parallel measuring laser beam; a wafer detection unit used for emitting a wafer detecting laser beam to the wafer and receiving the wafer detecting laser beam; and a detection processing unit electrically connected to the wafer parallel measuring unit and the wafer detection unit, and used for determining whether the wafer is present on the clamping jaw and whether the wafer is parallel to the bottom of the clamping jaw according to the received wafer detecting laser beam and parallel measuring laser beam.Type: GrantFiled: August 4, 2020Date of Patent: April 16, 2024Assignee: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Ming Zhu, Yangyang Chen, Linghan Shen
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Patent number: 11908720Abstract: Disclosed are a CMP wafer cleaning apparatus, and a wafer transfer manipulator and a wafer overturn method for same. The wafer transfer manipulator includes: a transverse transfer shaft, with same only being located at a side of a cleaning unit; a transverse transfer carriage provided on the transverse transfer shaft, and capable of transversely moving along the transverse transfer shaft; a first vertical lifting shaft provided on the transverse transfer carriage, and capable of vertically moving on the transverse transfer carriage; a rotary table provided on the first vertical lifting shaft; and a first claw clamping arm connected to the rotary table, and driven by the rotary table to move in a rotational manner. The CMP wafer cleaning apparatus is provided, and when the CMP wafer cleaning apparatus fails, safe storage of a polished wafer can be realized.Type: GrantFiled: September 26, 2019Date of Patent: February 20, 2024Assignee: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Linghan Shen, EdwardLiCang Lee
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Patent number: 11794304Abstract: The present invention discloses a wafer polishing device, which comprises a second pressure medium cavity for detecting pressure changes; a porous disc with a plurality of through holes, and its lower surface is covered with a flexible single cavity film; a conduction valve unit for conduction or isolation between the second pressure medium cavity and the third pressure medium cavity, which at least includes a conduction valve seat, a conduction valve and an elastic part. The lower end of the conduction valve seat extends into the through hole, and protrudes from the lower end face of the conduction valve seat; The conduction valve seat, the porous disc and the covered flexible single cavity membrane combined to form the third pressure medium cavity; a first pressure medium cavity.Type: GrantFiled: January 19, 2022Date of Patent: October 24, 2023Assignee: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Yaomin Deng, Yuansi Yang
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Publication number: 20230245915Abstract: A wafer transfer device, a wafer transfer method and a cleaning module of a chemical mechanical planarization machine are provided. The wafer transfer device comprises: at least one claw clamping arm module for picking up and placing a wafer; at least one Z-axis moving module, connected to the claw clamping arm module, for performing a movement of the claw clamping arm module in a Z-axis direction; and at least one X-axis moving module, connected to a lower end of the Z-axis moving module, for performing a movement of the claw clamping arm module in a X-axis direction.Type: ApplicationFiled: October 12, 2020Publication date: August 3, 2023Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Yuansi YANG, Linghan SHEN, Zhipeng ZHOU
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Publication number: 20230201995Abstract: A wafer conveying device, a chemical-mechanical planarization device and a wafer conveying method; the wafer conveying device comprises a manipulator used to clamp and transport wafers, as well as a transfer platform used to place the wafers; the manipulator consists of a 1st claw, a 2nd claw, a lifting platform, a movement mechanism, a rotation mechanism and a control mechanism; the transfer platform consists of a 1st transfer platform, a 2nd transfer platform and an installation rack. During wafer transmission, dry-wet wafers separation can be realized to avoid contamination to the clean wafers caused by liquids such as polishing liquid carried by the polished wafers, and to improve yield rate of the wafers.Type: ApplicationFiled: August 6, 2020Publication date: June 29, 2023Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INCInventors: Yuansi YANG, Zhipeng ZHOU
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Publication number: 20230122191Abstract: The present invention discloses a wafer polishing device, which comprises a second pressure medium cavity for detecting pressure changes; a porous disc with a plurality of through holes, and its lower surface is covered with a flexible single cavity film; a conduction valve unit for conduction or isolation between the second pressure medium cavity and the third pressure medium cavity, which at least includes a conduction valve seat, a conduction valve and an elastic part. The lower end of the conduction valve seat extends into the through hole, and protrudes from the lower end face of the conduction valve seat; The conduction valve seat, the porous disc and the covered flexible single cavity membrane combined to form the third pressure medium cavity; a first pressure medium cavity.Type: ApplicationFiled: January 19, 2022Publication date: April 20, 2023Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Yaomin Deng, Yuansi YANG
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Publication number: 20230005761Abstract: A wafer cleaning and drying device includes: a box used to clean the wafer, an opening is arranged at the top of the box for the wafer to enter or exit the box; a support part arranged inside the box and used to hold the wafer, the support part can move upward and downward; a spraying pipe arranged at the opening and used to spray the drying gas onto the surface of the cleaned wafer. The wafer cleaning and drying device dries the surface of the wafer with the spraying pipe arranged at the opening of the box, which sprays the drying gas onto the surface of the cleaned wafer. Understandably, Marangoni effect is used in the present prevention the water attached to the surface of the wafer is eliminated on basis of surface tension gradient difference.Type: ApplicationFiled: September 29, 2020Publication date: January 5, 2023Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventor: Linghan Shen
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Publication number: 20220359245Abstract: A device for detecting whether a wafer is present on a clamping jaw and detecting whether the wafer is parallel to a bottom of the clamping jaw. The device for detecting a wafer comprises: a wafer parallel measuring unit arranged in a CMP cleaning and drying device, and used for emitting a parallel measuring laser beam parallel to the bottom of the clamping jaw and receiving the parallel measuring laser beam; a wafer detection unit used for emitting a wafer detecting laser beam to the wafer and receiving the wafer detecting laser beam; and a detection processing unit electrically connected to the wafer parallel measuring unit and the wafer detection unit, and used for determining whether the wafer is present on the clamping jaw and whether the wafer is parallel to the bottom of the clamping jaw according to the received wafer detecting laser beam and parallel measuring laser beam.Type: ApplicationFiled: August 4, 2020Publication date: November 10, 2022Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Ming ZHU, Yangyang CHEN, Linghan SHEN
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Publication number: 20210398834Abstract: Disclosed are a CMP wafer cleaning apparatus, and a wafer transfer manipulator and a wafer overturn method for same. The wafer transfer manipulator includes: a transverse transfer shaft, with same only being located at a side of a cleaning unit; a transverse transfer carriage provided on the transverse transfer shaft, and capable of transversely moving along the transverse transfer shaft; a first vertical lifting shaft provided on the transverse transfer carriage, and capable of vertically moving on the transverse transfer carriage; a rotary table provided on the first vertical lifting shaft; and a first claw clamping arm connected to the rotary table, and driven by the rotary table to move in a rotational manner. The CMP wafer cleaning apparatus is provided, and when the CMP wafer cleaning apparatus fails, safe storage of a polished wafer can be realized.Type: ApplicationFiled: September 26, 2019Publication date: December 23, 2021Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Linghan Shen, EdwardLiCang LEE
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Publication number: 20210260716Abstract: A chemical-mechanical planarization equipment, comprising a polishing module, a cleaning module and a wafer transfer module, wherein the polishing module comprises two rows of polishing unit arrays, each row of polishing unit arrays comprises two or more sets of polishing units, polishing transfer stations corresponding to two rows of polishing unit arrays are longitudinally arranged and located in the row direction of the polishing unit arrays, and a working area of the wafer transfer module is located vertically above the longitudinally arranged polishing transfer stations.Type: ApplicationFiled: August 20, 2019Publication date: August 26, 2021Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: EdwardLiCang LEE, Jingran GU
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Publication number: 20210205952Abstract: A polishing and loading/unloading component module comprises a loading/unloading module in the center and two polishing modules on both sides of the loading/unloading module. The loading/unloading module includes a loading/unloading table module which has two loading/unloading positions in a direction perpendicular to the arrangement direction of the two polishing modules. The loading/unloading table module can move back and forth between the two loading/unloading positions, or the two loading/unloading positions are provided with loading/unloading table modules apiece, corresponding to the two polishing modules respectively.Type: ApplicationFiled: March 22, 2021Publication date: July 8, 2021Applicant: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Linghan Shen, EdwardLiCang LEE