Gas purge apparatus, load port apparatus, installation stand for purging container, and gas purge method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-031/00
B08B-005/00
H01L-021/67
H01L-021/673
H01L-021/677
B08B-009/00
출원번호
US-0087699
(2016-03-31)
등록번호
US-9895723
(2018-02-20)
우선권정보
JP-2015-071659 (2015-03-31)
발명자
/ 주소
Iwamoto, Tadamasa
출원인 / 주소
TDK CORPORATION
대리인 / 주소
Arent Fox LLP
인용정보
피인용 횟수 :
1인용 특허 :
36
초록▼
In a gas purge apparatus, a load port apparatus, an installation stand for a purging container, and a gas purge method, the inside of the purging container is filled with a cleaning gas until just before transportation, and a placement failure does not happen to the next purging container to be plac
In a gas purge apparatus, a load port apparatus, an installation stand for a purging container, and a gas purge method, the inside of the purging container is filled with a cleaning gas until just before transportation, and a placement failure does not happen to the next purging container to be placed. A purge nozzle is moved to a direction separating from a purge port after detecting a movement of a table on which the purging container is installed to an undock position and a stop of a feeding of the cleaning gas.
대표청구항▼
1. A gas purge apparatus capable of blowing a cleaning gas into a purging container with a purge port therethrough, comprising: a purge nozzle with a nozzle opening blowing out the cleaning gas;a table on which the purging container is detachably placed;a fixing mechanism capable of fixing the purgi
1. A gas purge apparatus capable of blowing a cleaning gas into a purging container with a purge port therethrough, comprising: a purge nozzle with a nozzle opening blowing out the cleaning gas;a table on which the purging container is detachably placed;a fixing mechanism capable of fixing the purging container to prevent it from moving relatively on the table and releasing this fixing;a nozzle driving mechanism capable of moving the purge nozzle toward the purge port and moving the purge nozzle toward a direction separating from the purge port;a table moving mechanism configured to move the table on which the purging container is placed to an undock position;a gas feeding mechanism configured to control an operation for feeding the cleaning gas into the purging container and an operation for stopping the feeding of the cleaning gas through the purge nozzle and the purge port; anda control means configured to control the nozzle driving mechanism to move the purge nozzle toward the direction separating from the purge port after detecting a movement of the table to the undock position and a stop of the feeding of the cleaning gas by the gas feeding mechanism. 2. The gas purge apparatus as set forth in claim 1, wherein the control means controls the nozzle driving mechanism to move the purge nozzle toward the direction separating from the purge port, provided that the control means receives a detection signal showing the release of the fixing of the purging container by the fixing mechanism and thereafter detects the stop of the feeding of the cleaning gas by the gas feeding mechanism. 3. The gas purge apparatus as set forth in claim 2, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control means drives the fixing mechanism to fix the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 4. The gas purge apparatus as set forth in claim 1, wherein the control means controls the nozzle driving mechanism to move the purge nozzle toward the direction separating from the purge port, provided that the control means detects the stop of the feeding of the cleaning gas by the gas feeding mechanism and thereafter receives a detection signal showing the release of the fixing of the purging container by the fixing mechanism. 5. The gas purge apparatus as set forth in claim 4, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control means drives the fixing mechanism to fix the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 6. The gas purge apparatus as set forth in claim 1, wherein the control means controls the fixing mechanism to release the fixing of the purging container after controlling the nozzle driving mechanism to move the purge nozzle toward the direction separating from the purge port. 7. The gas purge apparatus as set forth in claim 6, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control means drives the fixing mechanism to fix the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 8. The gas purge apparatus as set forth in claim 1, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control means drives the fixing mechanism to fix the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 9. A load port apparatus, comprising an installation stand and the gas purge apparatus as set forth in claim 1. 10. An installation stand for placing and storing a plurality of purging containers, comprising the gas purge apparatus as set forth in claim 1. 11. A gas purge method for blowing a cleaning gas into a purging container with a purge port therethrough, comprising the steps of: blowing out the cleaning gas into the purging container by bringing a nozzle opening of a purge nozzle into contact with the purge port;moving the purging container to an undock position; andmoving the purge nozzle toward a direction separating from the purge port after detecting a movement of the purging container to the undock position and a stop of a feeding of the cleaning gas into the purging container, in accordance with a control means. 12. A gas purge apparatus capable of blowing a cleaning gas into a purging container with a purge port therethrough, comprising: a purge nozzle with a nozzle opening blowing out the cleaning gas;a table on which the purging container is detachably placed;a fixing mechanism capable of securing the purging container to prevent it from moving relative to the table and releasing the fixing mechanism;a nozzle driving mechanism capable of moving the purge nozzle toward the purge port and moving the purge nozzle in a direction so as to separate the purge nozzle from the purge port;a table moving mechanism configured to move the table on which the purging container is placed to a docked and an undocked position;a gas feeding mechanism configured to control an operation for feeding the cleaning gas into the purging container and an operation for stopping the feeding of the cleaning gas through the purge nozzle and the purge port; anda control circuit configured to control the nozzle driving mechanism to move the purge nozzle in the direction to separate the purge nozzle from the purge port after detecting a movement of the table to the undocked position and to stop the feeding of the cleaning gas by the gas feeding mechanism. 13. The gas purge apparatus as set forth in claim 12, wherein the control circuit controls the nozzle driving mechanism to move the purge nozzle in the direction to separate the purge nozzle from the purge port, provided that the control circuit receives a detection signal showing the release of the securing of the purging container by the fixing mechanism and thereafter detects the stop of the feeding of the cleaning gas by the gas feeding mechanism. 14. The gas purge apparatus as set forth in claim 13, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control circuit drives the fixing mechanism to secure the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 15. The gas purge apparatus as set forth in claim 12, wherein the control circuit controls the nozzle driving mechanism to move the purge nozzle in the direction to separate the purge nozzle from the purge port, provided that the control circuit detects the stop of the feeding of the cleaning gas by the gas feeding mechanism and thereafter receives a detection signal showing the release of the securing of the purging container by the fixing mechanism. 16. The gas purge apparatus as set forth in claim 15, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control circuit drives the fixing mechanism to secure the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 17. The gas purge apparatus as set forth in claim 12, wherein the control circuit controls the fixing mechanism to release the securing of the purging container after controlling the nozzle driving mechanism to move the purge nozzle in the direction to separate the purge nozzle from the purge port. 18. The gas purge apparatus as set forth in claim 17, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control circuit drives the fixing mechanism to secure the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table. 19. The gas purge apparatus as set forth in claim 12, further comprising a position detecting sensor for detecting whether the purging container is placed at a predetermined position on the table, wherein the control circuit drives the fixing mechanism to secure the purging container on the table based on a normal position detecting signal detected by the position detecting sensor showing that the purging container is placed at the predetermined position on the table.
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이 특허에 인용된 특허 (36)
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