Patents Assigned to ACM Research (Shanghai) Inc.
-
Publication number: 20210072645Abstract: A coater with automatic cleaning function and a coater automatic cleaning method. The coater (100,200,300,400,500,600,700,800) includes a coater chamber (101,201,301,401,501,601,701,801) capable of being filled up with cleaning solution, a substrate chuck (102,202,302,402,502,602,702,802) holding and positioning a substrate (103,203,303,403,503,603,703,803), and at least one shroud (108,208,308,408,508) capable of moving up for preventing photoresist from splashing out of the coater chamber (101,201,301,401,501,601,701,801), or moving down and immersing into the cleaning solution for cleaning.Type: ApplicationFiled: October 26, 2020Publication date: March 11, 2021Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Fuping Chen, Wenjun Wang, Hongchao Yang, Voha Nuch, Fufa Chen, Jian Wang, Xiaoyan Zhang, Shu Yang
-
Publication number: 20210066106Abstract: A plating chuck for holding a substrate during plating processes, wherein the substrate has a notch area (3031) and a patterned region (3032) adjacent to the notch area (3031). The plating chuck comprises a cover plate (3033) configured to cover the notch area (3031) of the substrate to shield the electric field at the notch area (3031) when the substrate is being plated.Type: ApplicationFiled: September 7, 2017Publication date: March 4, 2021Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Jian Wang, Zhaowei Jia, Hongchao Yang
-
Publication number: 20210035821Abstract: A method and an apparatus for cleaning a substrate are provided. The substrate (1010) comprises features (4034) of patterned structures. The method comprises placing the substrate on a substrate holder (1014) configured to rotate the substrate; applying cleaning liquid (1032) on the substrate; rotating the substrate by the substrate holder at a first rate when acoustic energy is being applied to the cleaning liquid by a transducer (1004); and rotating the substrate by the substrate holder at a second rate higher than the first rate when acoustic energy is not being applied to the cleaning liquid by the transducer.Type: ApplicationFiled: January 23, 2018Publication date: February 4, 2021Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Xi Wang, Xiaoyan Zhang, Fufa Chen, Fuping Chen
-
Publication number: 20210031243Abstract: A substrate (2010, 3010, 4010, 5010, 6010, 7010, 8010) cleaning method is provided, it comprises the steps of: placing a substrate (2010, 3010, 4010, 5010, 6010, 7010, 8010) on a substrate holder (1314); delivering cleaning liquid onto the surface of the substrate (2010, 3010, 4010, 5010, 6010, 7010, 8010); implementing a pre-treatment process to detach bubbles (2050, 2052, 3050, 4050, 5050, 6050, 7052, 70584, 7056, 8052, 8054, 8056) from the surface of the substrate (2010, 3010, 4010, 5010, 6010, 7010, 8010); and then implementing an ultra or mega sonic cleaning process for cleaning the substrate (2010, 3010, 4010, 5010, 6010, 7010, 8010).Type: ApplicationFiled: January 23, 2018Publication date: February 4, 2021Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Xi Wang, Xiaoyan Zhang, Fufa Chen
-
Patent number: 10910244Abstract: A method for cleaning semiconductor substrate without damaging patterned structure on the substrate using ultra/mega sonic device comprising applying liquid into a space between a substrate and an ultra/mega sonic device; setting an ultra/mega sonic power supply at frequency f1 and power P1 to drive said ultra/mega sonic device; before bubble cavitation in said liquid damaging patterned structure on the substrate, setting said ultra/mega sonic power supply at frequency f2 and power P2 to drive said ultra/mega sonic device; after temperature inside bubble cooling down to a set temperature, setting said ultra/mega sonic power supply at frequency f1 and power P1 again; repeating above steps till the substrate being cleaned. Normally, if f1=f2, then P2 is equal to zero or much less than P1; if P1=P2, then f2 is higher than f1; if the f1<f2, then, P2 can be either equal or less than P1.Type: GrantFiled: May 20, 2015Date of Patent: February 2, 2021Assignee: ACM Research, Inc.Inventors: Hui Wang, Fufa Chen, Fuping Chen, Jian Wang, Xi Wang, Xiaoyan Zhang, Yinuo Jin, Zhaowei Jia, Liangzhi Xie, Jun Wang, Xuejun Li
-
Patent number: 10907266Abstract: The present invention relates to applying at least one ultra/mega sonic device and its reflection plate for forming standing wave in a metallization apparatus to achieve highly uniform metallic film deposition at a rate far greater than conventional film growth rate in electrolyte. In the present invention, the substrate is dynamically controlled so that the position of the substrate passing through the entire acoustic field with different power intensity in each motion cycle. This method guarantees each location of the substrate to receive the same amount of total sonic energy dose over the interval of the process time, and to accumulatively grow a uniform deposition thickness at a rapid rate.Type: GrantFiled: September 26, 2018Date of Patent: February 2, 2021Assignee: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Fuping Chen, Xi Wang
-
Publication number: 20200354851Abstract: A plating apparatus for depositing metal on a substrate, comprising a membrane frame (14), a catholyte inlet pipe (30) and a center cap (40). The membrane frame (14) has a center passage (144) which passes through the center of the membrane frame (14). The catholyte inlet pipe (30) is connected to the center passage (144) of the membrane frame (14). The center cap (40) is fixed at the center of the membrane frame (14) and covers over the center passage (144) of the membrane frame (14). The top of the center cap (40) has a plurality of first holes (42). The catholyte inlet pipe (30) supplies catholyte to the center cap (40) through the center passage (144) of the membrane frame (14), and the catholyte is supplied to a center area of the substrate through the first holes (42) of the center cap (40).Type: ApplicationFiled: August 30, 2017Publication date: November 12, 2020Applicant: ACM Research (Shanghai) Inc.Inventors: Zhaowei Jia, Hongchao Yang, Chenhua Lu, Jian Wang, Hui Wang
-
Publication number: 20200353431Abstract: A functional water producing apparatus in an embodiment includes: a water pressure regulator configured to regulate the water pressure of the ultrapure water, the water pressure regulator having a pressure regulating valve configured to regulate a water pressure of the ultrapure water to an almost constant pressure and a feed water pump configured to pressurize the ultrapure water; a dissolving device configured to dissolve functional gas imparting a specific function in the ultrapure water regulated the water pressure by the water pressure regulator; and a control device configured to control the feed water pump to regulate the water pressure of the functional water to a predetermined constant pressure based on a water pressure or a flow rate of the functional water flowing out of the dissolving device.Type: ApplicationFiled: April 7, 2020Publication date: November 12, 2020Applicants: NOMURA MICRO SCIENCE CO., LTD., ACM RESEARCH (SHANGHAI), INC.Inventors: Takayuki JIZAIMARU, David Hui WANG
-
Patent number: 10816901Abstract: A coater with automatic cleaning function and a coater automatic cleaning method. The coater (100,200,300,400,500,600,700,800) includes a coater chamber (101,201,301,401,501,601,701,801) capable of being filled up with cleaning solution, a substrate chuck (102,202,302,402,502,602,702,802) holding and positioning a substrate (103,203,303,403,503,603,703,803), and at least one shroud (108,208,308,408,508) capable of moving up for preventing photoresist from splashing out of the coater chamber (101,201,301,401,501,601,701,801), or moving down and immersing into the cleaning solution for cleaning.Type: GrantFiled: September 16, 2014Date of Patent: October 27, 2020Assignee: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Fuping Chen, Wenjun Wang, Hongchao Yang, Voha Nuch, Fufa Chen, Jian Wang, Xiaoyan Zhang, Shu Yang
-
Publication number: 20200294825Abstract: A substrate heat treatment apparatus for heat treating a substrate, comprising a bake plate, a plurality of support components, a baffle plate, and a driving device. The bake plate defines at least one gas passage. The plurality of support components support the substrate. The baffle plate is fixed on a top surface of the bake plate. The baffle plate surrounds the substrate and a gap is formed between an inner circumferential wall of the baffle plate and the substrate. A driving device drives the plurality of support components to move up or down. When heat treating the substrate, a hot gas is supplied to the space between the substrate and the top surface of the bake plate through the gas passage of the bake plate, and the hot gas flows out through the gap formed between the inner circumferential wall of the baffle plate and the substrate.Type: ApplicationFiled: March 18, 2016Publication date: September 17, 2020Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Hongchao Yang, Jun Wu, Wenjun Wang, Fuping Chen, Zhiyou Fang
-
Patent number: 10770315Abstract: A fall-proof apparatus for cleaning semiconductor devices is provided. The fall-proof apparatus comprises: a nozzle (102) connecting with a carrier (101); a megasonic/ultrasonic device (105) fixing on the carrier (101); and a sensor (104) detecting the distance between the megasonic/ultrasonic device (105) and the carrier (101) to determine whether the megasonic/ultrasonic device (105) is loose and going to fall. The megasonic/ultrasonic device works with the nozzle during a cleaning process. A chamber with the fall-proof apparatus is also provided.Type: GrantFiled: September 8, 2015Date of Patent: September 8, 2020Assignee: ACM Research (Shanghai) Inc.Inventors: Zhenming Chu, Xi Wang, Hui Wang, Shena Jia, Jun Wu, Fuping Chen, Xuejun Li
-
Patent number: 10770335Abstract: A substrate supporting apparatus (300) for cleaning a back side of a substrate (107) is provided. The substrate supporting apparatus (300) has a hollow shaft (319) and a rotary spindle (303). The rotary spindle (303) is set in the hollow shaft (319) and a spacing is formed between an outer wall of the rotary spindle (303) and an inner wall of the hollow shaft (319). The outer wall of the rotary spindle (303) defines a blocking wall (322) and a recess (324) to prevent particles in the spacing from entering a gas groove (325) which is formed on the hollow shaft (319) and supplies gas to a front side of the substrate (107), avoiding the particles contaminating the front side of the substrate (107), which improves the quality of semiconductor devices.Type: GrantFiled: July 6, 2016Date of Patent: September 8, 2020Assignee: ACM Research (Shanghai) Inc.Inventors: Fufa Chen, Zhiyou Fang, Jun Wu, Hui Wang, Fuping Chen, Wenjun Wang
-
Patent number: 10654014Abstract: A functional water producing apparatus in an embodiment includes: a water pressure regulator configured to regulate the water pressure of the ultrapure water, the water pressure regulator having a pressure regulating valve configured to regulate a water pressure of the ultrapure water to an almost constant pressure and a feed water pump configured to pressurize the ultrapure water; a dissolving device configured to dissolve functional gas imparting a specific function in the ultrapure water regulated the water pressure by the water pressure regulator; and a control device configured to control the feed water pump to regulate the water pressure of the functional water to a predetermined constant pressure based on a water pressure or a flow rate of the functional water flowing out of the dissolving device.Type: GrantFiled: January 27, 2017Date of Patent: May 19, 2020Assignees: NOMURA MICRO SCIENCE CO., LTD., ACM RESEARCH (SHANGHAI), INC.Inventors: Takayuki Jizaimaru, David Hui Wang
-
Patent number: 10615073Abstract: Provided is a method for removing barrier layer for minimizing sidewall recess. The method comprises the following steps: introduce noble-gas-halogen compound gas and carrier gas into an etching chamber within which a thermal gas phase etching process is being performed for etching a barrier layer (206) on non-recessed areas of an interconnection structure (501); detect an end point of the thermal gas phase etching process (502), if the thermal gas phase etching process reaches the end point end point, then execute the next step; if the thermal gas phase etching process doesn't reach the end point, then return to the previous step; stop introducing the noble-gas-halogen compound gas and the carrier gas to the etching chamber (503).Type: GrantFiled: February 15, 2015Date of Patent: April 7, 2020Assignee: ACM Research (Shanghai) Inc.Inventors: Zhaowei Jia, Jian Wang, Hui Wang
-
Publication number: 20190393074Abstract: The present invention provides a barrier layer removal method, wherein the barrier layer includes at least one layer of ruthenium or cobalt, the method comprising: removing the barrier layer including ruthenium or cobalt formed on non-recessed areas of a semiconductor structure by thermal flow etching.Type: ApplicationFiled: September 4, 2019Publication date: December 26, 2019Applicant: ACM Research (Shanghai) Inc.Inventors: Zhaowei Jia, Dongfeng Xiao, Jian Wang, Hui Wang
-
Patent number: 10453743Abstract: The present invention provides a barrier layer removal method, wherein the barrier layer includes at least one layer of ruthenium or cobalt, the method comprising: removing the barrier layer including ruthenium or cobalt formed on non-recessed areas of a semiconductor structure by thermal flow etching.Type: GrantFiled: October 17, 2014Date of Patent: October 22, 2019Assignee: ACM Research (Shanghai) Inc.Inventors: Zhaowei Jia, Dongfeng Xiao, Jian Wang, Hui Wang
-
Publication number: 20190311938Abstract: A substrate supporting apparatus (300) for cleaning a back side of a substrate (107) is provided. The substrate supporting apparatus (300) has a hollow shaft (319) and a rotary spindle (303). The rotary spindle (303) is set in the hollow shaft (319) and a spacing is formed between an outer wall of the rotary spindle (303) and an inner wall of the hollow shaft (319). The outer wall of the rotary spindle (303) defines a blocking wall (322) and a recess (324) to prevent particles in the spacing from entering a gas groove (325) which is formed on the hollow shaft (319) and supplies gas to a front side of the substrate (107), avoiding the particles contaminating the front side of the substrate (107), which improves the quality of semiconductor devices.Type: ApplicationFiled: July 6, 2016Publication date: October 10, 2019Applicant: ACM Research (Shanghai) Inc.Inventors: Fufa Chen, Zhiyou Fang, Jun Wu, Hui Wang, Fuping Chen, Wenjun Wang
-
Publication number: 20190287824Abstract: The present invention discloses a method for cleaning substrate without damaging patterned structure on the substrate using ultra/mega sonic device, comprising: applying liquid into a space between a substrate and an ultra/mega sonic device; setting an ultra/mega sonic power supply at frequency f1 and power P1 to drive said ultra/mega sonic device; after micro jet generated by bubble implosion and before said micro jet generated by bubble implosion damaging patterned structure on the substrate, setting said ultra/mega sonic power supply at frequency f2 and power P2 to drive said ultra/mega sonic device; after temperature inside bubble cooling down to a set temperature, setting said ultra/mega sonic power supply at frequency f1 and power P1 again; repeating above steps till the substrate being cleaned.Type: ApplicationFiled: September 20, 2016Publication date: September 19, 2019Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Xi Wang, Fuping Chen, Fufa Chen, Jian Wang, Xiao Zhang, YInuo Jin, Zhaowei Jia, Jun Wang, XueJun Li
-
Publication number: 20190283090Abstract: The present invention discloses a method for effectively cleaning vias, trenches or recessed areas on a substrate using an ultra/mega sonic device, comprising: applying liquid into a space between a substrate and an ultra/mega sonic device; setting an ultra/mega sonic power supply at frequency f1 and power P1 to drive said ultra/mega sonic device; after the ratio of total bubbles volume to volume inside vias, trenches or recessed areas on the substrate increasing to a first set value, setting said ultra/mega sonic power supply at frequency f2 and power P2 to drive said ultra/mega sonic device; after the ratio of total bubbles volume to volume inside the vias, trenches or recessed areas reducing to a second set value, setting said ultra/mega sonic power supply at frequency f1 and power P1 again; repeating above steps till the substrate being cleaned.Type: ApplicationFiled: September 19, 2016Publication date: September 19, 2019Applicant: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Xi Wang, Fuping Chen, Fufa Chen, Jian Wang, Xiaoyan Zhang, Yinuo Jin, Zhaowei Jia, Jun Wang, Xuejun Li
-
Patent number: 10410906Abstract: A substrate supporting apparatus includes a rotatable chuck, a first mass flow controller, a second mass flow controller, a plurality of locating pins and guiding pillars, and a motor in which the rotatable chuck defines a plurality of first injecting ports and second injecting ports, the first injecting ports are connected with a first gas passage for supplying gas to the substrate and sucking the substrate by Bernoulli effect, the second injecting ports are connected with a second gas passage for supplying gas to the substrate and lifting the substrate, the first and the second mass flow controllers are respectively installed on the first and the second gas passages, the plurality of locating pins and guiding pillars are disposed at the top surface of the rotatable chuck and every guiding pillar protrudes to form a holding portion, and the motor is used for rotating the rotatable chuck.Type: GrantFiled: November 27, 2012Date of Patent: September 10, 2019Assignee: ACM Research (Shanghai) Inc.Inventors: Hui Wang, Fuping Chen, Huaidong Zhang, Wenjun Wang