WO2017024758A1 - 一种更换坩埚装置 - Google Patents

一种更换坩埚装置 Download PDF

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Publication number
WO2017024758A1
WO2017024758A1 PCT/CN2016/070448 CN2016070448W WO2017024758A1 WO 2017024758 A1 WO2017024758 A1 WO 2017024758A1 CN 2016070448 W CN2016070448 W CN 2016070448W WO 2017024758 A1 WO2017024758 A1 WO 2017024758A1
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WIPO (PCT)
Prior art keywords
arm
replacement
crucible
replacement device
evaporation
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PCT/CN2016/070448
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English (en)
French (fr)
Inventor
张鑫狄
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京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/110,852 priority Critical patent/US20170226626A1/en
Publication of WO2017024758A1 publication Critical patent/WO2017024758A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • C23C14/243—Crucibles for source material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • C23C14/246—Replenishment of source material

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a replacement device.
  • the container used in the point source vapor deposition machine is tantalum, and the material is evaporated from the crucible; usually, in the same vapor deposition chamber, there are a plurality of evaporation sources of different amounts, and each evaporation source evaporates different materials. Due to the difference in thickness and doping ratio of each layer in each device, the consumption rate of materials in different evaporation sources is different. Therefore, the material with the largest consumption determines the time for opening the cavity. Usually, when the material is added, the material with the largest consumption is loaded a lot, and the other materials are correspondingly placed less, which is equivalent to wasting the capacity of the crucible, increasing the frequency of the opening and feeding, and making the evaporation efficiency lower.
  • the capacity of the crucible used for this material is usually increased (reconstructing the evaporation source, using a larger capacity crucible), specifically: cooling (down to room temperature) - open cavity - adding material - vacuuming - heating, the process It takes too long and usually takes more than four hours, which affects the efficiency of the equipment. Especially for the production line, it is bound to cause serious capacity loss.
  • the technical problem to be solved by the present invention is how to replace without opening the cavity or lowering to room temperature.
  • the problem of enthalpy in the evaporation source is how to replace without opening the cavity or lowering to room temperature.
  • the present invention provides a replacement device, comprising: a base, a first robot arm and a second robot arm; the first robot arm and the second robot arm are respectively disposed on the base, and Steering and lifting actions are performed synchronously with the base; one end of the first robot arm is used to grasp the cymbal to be replaced; and one end of the second mechanical arm is used to carry and place the spare cymbal.
  • the angle between the first robot arm and the second robot arm is 90°.
  • the first mechanical arm and the second mechanical arm each include: a rotating arm, a fixed arm and a driving unit; one end of the fixed arm is fixed on the base, and the other end is opposite to the The rotating arm is hinged; the rotating arm is rotated along the hinge point by the driving unit, and a clamping unit is provided at one end of the rotating arm.
  • the clamping unit includes: at least two elastic pieces; one end of the elastic piece is connected to the driving unit, and the other end is expanded outward through a metal tube; the driving unit drives The elastic piece moves telescopically in the metal pipe; the metal pipe is vertically disposed at one end of the rotating arm.
  • the base is provided with a lifting turret, and the first mechanical arm and the second mechanical arm are respectively connected to the lifting turret.
  • the replacement device further includes a control unit, The control unit is coupled to the drive unit for issuing an action command to the drive unit.
  • control unit is connected with a storage unit, and the location information of the access device is recorded by the storage unit.
  • the drive unit is a motor or a cylinder.
  • the replacement crucible device is disposed within the evaporation chamber.
  • the present invention also provides an evaporation system comprising an evaporation chamber and the replacement crucible device, the replacement crucible device being disposed in the vapor deposition chamber, wherein the evaporation chamber is provided with a plurality of evaporation sources Each of the evaporation sources is provided with a crucible to be replaced.
  • the evaporation source is a point source type.
  • the present invention provides a replacement cymbal device, which uses the first mechanical arm to grasp the cymbal to be replaced, and then uses the second mechanical arm to carry and place the spare cymbal, thereby not opening the cavity,
  • the replacement of the helium in the evaporation source is achieved without dropping to room temperature.
  • FIG. 1 is a top plan view of a replacement device of the present invention at the start of operation according to an embodiment of the present invention
  • FIG. 2 is a top plan view of the first mechanical arm moving above the evaporation source according to an embodiment of the present invention
  • FIG. 3 is a top plan view of the first mechanical arm of the embodiment of the present invention when the raft to be replaced is removed;
  • FIG. 4 is a plan view showing a second mechanical arm moving to an upper side of an evaporation source according to an embodiment of the present invention
  • Figure 5 is a plan view of the second mechanical arm after placing the standby cymbal according to the embodiment of the present invention.
  • Figure 6 is a side elevational view of the replacement device of the present invention before the elastic piece is inserted into the air outlet;
  • Figure 7 is a side view of the replacement device of the embodiment of the present invention after the elastic piece is inserted into the air outlet;
  • FIG. 8 is a schematic structural view of a state after a base is raised according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural view showing a state in which the susceptor is lowered after the embodiment of the present invention.
  • the present embodiment provides a replacement device including: a base 1, a first robot arm 2, and a second robot arm 3; the first robot arm 2 and the second robot arm 3 respectively It is disposed on the base 1 and performs the steering and lifting movements synchronously with the base 1, that is, the base 1 can be rotated and moved up and down, and the two robot arms can be driven together.
  • the shape and structure of the first robot arm 2 and the second robot arm 3 are not limited, and can be flexibly set according to actual needs.
  • one end of the first robot arm 2 is used for grasping the cymbal 4 to be replaced; one end of the second robot arm 3 is used for carrying and placing the spare cymbal 5 (pre-prepared cymbal), so as to achieve no cavity opening or falling At room temperature, replace the crucible in the evaporation source ( ⁇ 4 to be replaced).
  • the specific operation process is as follows: firstly, the material with the largest consumption is determined (the corresponding ⁇ is the ⁇ 4 to be replaced, and the spare ⁇ 5 equipped with the material is installed on the second robot arm 3 in advance.
  • the evaporation source is to be replaced ⁇ 4
  • the first robot arm 2 is activated to take out the crucible 4 to be replaced, and then the second robot arm 3 is used to exchange the spare crucible 5 into the evaporation source.
  • the time of one evaporation reduces the number of times of opening the cavity; moreover, when the crucible is replaced, it is not necessary to open the cavity, and only the temperature of the evaporation source is lowered to the preheating temperature, and the replacement crucible 5 can be exchanged for the evaporation source. It won't be more than half an hour.
  • the angle between the first robot arm 2 and the second robot arm 3 is 90°, that is, the first robot arm 2 and the second robot arm 3 are disposed on the base 1 and Relative to the base 1, it is disposed along the direction of its 90° central angle, so that the two do not interfere with each other when the cymbal is replaced, which facilitates cooperative cooperation.
  • the first robot arm 2 and the second robot arm 3 have the same structure, and the first robot arm 2 and the second robot arm 3 each include: a rotating arm 6 , the fixed arm 7 and the driving unit 11; one end of the fixed arm 7 is fixed on the base 1 and the other end is hinged to the rotating arm 6 (of course, the fixed arms 7 of the two mechanical arms are always maintained at 90°); the rotating arm 6 is driven The unit 11 is driven to rotate along the hinge point to perform left and right steering. Moreover, a clamping unit is provided at one end of the rotating arm 6, and the clamping unit (the ⁇ 4 and the standby ⁇ 5 to be replaced) are conveniently accessed by the clamping unit.
  • the clamping unit comprises: at least two elastic pieces 9, each of which has an elastic force and can be outwardly expanded; preferably, the number of the elastic pieces 9 is two.
  • one end of the elastic piece 9 is connected to the driving unit 11, and the other end is expanded outward through a metal tube 10; moreover, the driving unit 11 drives the elastic piece 9 to telescopically move in the metal tube 10;
  • the metal pipe 10 is vertically disposed at one end of the rotating arm 6. It can be understood that each of the elastic pieces has elasticity and can be retracted into the tube. When not retracted into the tube, the elastic pieces expand outwardly at an angle; when the driven unit 11 is pulled into the tube, the angle between the elastic pieces is lost, and the action of clamping and lowering the cymbal is achieved by the change of the angle. .
  • the elastic piece 9 is contracted as far as possible into the metal tube 10, so that the lower end can be inserted into the air outlet of the crucible; then, the driving unit 11 drives the elastic piece 9 to telescopically move in the metal tube 10, so that the lower end protrudes from the metal tube 10 Expand outwards to catch the air outlet of the cockroach.
  • the form of the pedestal 1 can also be varied, in one of the ways: the pedestal 1 There is a lifting turret 8 on it.
  • the elevating turret 8 has a cylindrical shape and can be understood as a lifting shaft having a function of being movable up and down and rotating in the circumferential direction.
  • the first robot arm 2 and the second robot arm 3 are respectively connected to the elevation turret 8 .
  • the replacement device further includes a control unit coupled to the drive unit 11 for issuing an action command to the drive unit 11, thereby controlling activation of the drive unit 11 to facilitate calibration of the position.
  • the control unit is further connected with a storage unit, and the location information of the pick and place is recorded through the storage unit. When calibrating, the control unit generates coordinate values and records them through the storage unit. In the post-action, the coordinate values generated by the system when the calibration is calibrated are directly moved into place.
  • the drive unit 11 is a motor or a cylinder.
  • the driving unit 11 in the above embodiment is a power source for providing driving force for each component, and the form thereof can be flexibly adjusted according to actual needs.
  • the motor + gear set can be used, or the cylinder + gear set.
  • the motor is fixed on the rotating arm 6 through the bracket, and the output end thereof is connected to the elastic piece 9 through the gear set for driving the elastic piece 9 to telescopically move in the metal pipe 10.
  • the motor also drives the rotating arm 6 through the gear set.
  • the drive unit 11 is merely a general term, which may include a plurality of sub-components such as a motor, a gear set, and the like.
  • the present invention also provides an evaporation system including an evaporation chamber and the replacement crucible device in the above embodiment, the replacement crucible device is disposed in the vapor deposition chamber, and the vapor deposition chamber is provided with a plurality of evaporation sources. At least one evaporation source is provided with a crucible 4 to be replaced. By replacing the crucible device, the crucible in the evaporation source (the crucible 4 to be replaced) is replaced without opening the chamber or lowering to room temperature.
  • the evaporation source described above is point source type, that is, it is suitable for a point source vapor deposition machine.
  • the present invention provides a replacement cymbal device, which uses the first mechanical arm to grasp the cymbal to be replaced, and then uses the second mechanical arm to carry and place the spare cymbal so as not to open the cavity and not to the room temperature. Next, the replacement of the helium in the evaporation source is achieved.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
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Abstract

一种更换坩埚装置，包括：基座（1）、第一机械手臂（2）和第二机械手臂（3）；第一机械手臂（2）与第二机械手臂（3）分别设置在基座（1）上，且随基座（1）同步进行转向与升降动作；第一机械手臂（2）的一端用于抓取待替换的坩埚（4）；第二机械手臂（3）的一端用于携带并安放备用坩埚（5）。以及一种蒸镀系统，包括蒸镀腔体和更换坩埚装置，更换坩埚装置设置在蒸镀腔体内，蒸镀腔体内设有多个蒸发源，至少一个蒸发源内设有待替换的坩埚（4）。

Description

一种更换坩埚装置 技术领域
本发明涉及显示技术领域，尤其涉及一种更换坩埚装置。
背景技术
目前，点源蒸镀机使用的容器是坩埚，材料从坩埚中蒸发出来；通常在同一个蒸镀腔体内，有数量不等的多个蒸发源，且每个蒸发源内都蒸发不同的材料。由于各器件中每层厚度和掺杂比例的不同，不同蒸发源中材料的消耗速度不同，因此，其中消耗量最大的材料决定了开腔加料的时间。通常在加料时都将消耗量最大的材料装很多，而其他材料按比例相应的少放，这相当于浪费了坩埚的容量，增加了开腔加料的频率，使蒸镀效率变低。若能将消耗量最大材料的添加量提高，便可减少开腔填料的频率。现有针对此情况，通常增加此材料所用坩埚的容量(改造蒸发源，使用更大容量的坩埚)，具体为：降温(降到室温)-开腔-添加材料-抽真空-升温，该流程的耗时太长，通常需要四个小时以上，影响设备的使用效率。尤其针对量产线，势必会造成严重的产能损失。
发明内容
(一)要解决的技术问题
本发明要解决的技术问题是如何在不开腔、不降到室温的情况下，更换 蒸发源内的坩埚的问题。
(二)技术方案
为了解决上述技术问题，本发明提供一种更换坩埚装置，其包括：基座、第一机械手臂和第二机械手臂；所述第一机械手臂与第二机械手臂分别设置在基座上，且随所述基座同步进行转向与升降动作；所述第一机械手臂的一端用于抓取待替换的坩埚；所述第二机械手臂的一端用于携带并安放备用坩埚。
根据本发明的一示例性实施例，所述第一机械手臂与第二机械手臂之间的夹角为90°。
根据本发明的一示例性实施例，所述第一机械手臂与第二机械手臂均包括：转动臂、固定臂及驱动单元；所述固定臂的一端固定在基座上，另一端与所述转动臂铰接；所述转动臂在所述驱动单元的带动下沿铰接点转动，且在所述转动臂的一端设有夹持单元。
根据本发明的一示例性实施例，所述夹持单元包括：至少两个弹片；所述弹片的一端与驱动单元连接，另一端穿过一金属管后可向外扩张；所述驱动单元带动弹片在所述金属管中伸缩移动；所述金属管竖直设置在所述转动臂的一端。
根据本发明的一示例性实施例，所述基座上设有升降转台，所述第一机械手臂和第二机械手臂分别与所述升降转台连接。
根据本发明的一示例性实施例，该更换坩埚装置还包括控制单元，所述 控制单元与驱动单元连接，用于向所述驱动单元发出动作指令。
根据本发明的一示例性实施例，所述控制单元连接有存储单元，通过存储单元记录取放坩埚的位置信息。
根据本发明的一示例性实施例，所述驱动单元为马达或气缸。
根据本发明的一示例性实施例，该更换坩埚装置设置在蒸镀腔体内。
本发明还提供一种蒸镀系统，其包括蒸镀腔体和所述的更换坩埚装置，所述更换坩埚装置设置在所述蒸镀腔体内，所述蒸镀腔体内设有多个蒸发源，各个蒸发源内设有待替换的坩埚。
根据本发明的一示例性实施例，所述蒸发源为点源式。
(三)有益效果
本发明的上述技术方案具有以下有益效果：本发明提供一种更换坩埚装置，利用第一机械手臂抓取待替换的坩埚，然后再利用第二机械手臂携带并安放备用坩埚，从而在不开腔、不降到室温的情况下，实现更换蒸发源内的坩埚。
附图说明
图1为本发明实施例更换坩埚装置在开始动作时的俯视图；
图2为本发明实施例第一机械手臂移动至蒸发源上方时的俯视图；
图3为本发明实施例第一机械手臂取走待替换的坩埚时的俯视图；
图4为本发明实施例第二机械手臂移动至蒸发源上方时的俯视图；
图5为本发明实施例第二机械手臂在安放备用坩埚后的俯视图；
图6为本发明实施例更换坩埚装置中在弹片插入坩埚出气口之前的侧视图；
图7为本发明实施例更换坩埚装置中在弹片插入坩埚出气口之后的侧视图；
图8为本发明实施例基座升起后状态的结构示意图；
图9为本发明实施例基座下降后状态的结构示意图。
具体实施方式
下面结合附图和实施例对本发明的实施方式作进一步详细描述。以下实施例用于说明本发明，但不能用来限制本发明的范围。
在本发明的描述中，需要说明的是，除非另有说明，“多个”的含义是两个或两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”、“前端”、“后端”、“头部”、“尾部”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术 语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本发明中的具体含义。
如图1-5所示，本实施例提供的一种更换坩埚装置，其包括：基座1、第一机械手臂2和第二机械手臂3；第一机械手臂2与第二机械手臂3分别设置在基座1上，且随基座1同步进行转向与升降动作，也就是说，基座1既可以转动又可以升降移动，可带动两个机械手臂一起动作。第一机械手臂2和第二机械手臂3的形状、结构并不局限，可根据实际需要灵活设置。其中，第一机械手臂2的一端用于抓取待替换的坩埚4；第二机械手臂3的一端用于携带并安放备用坩埚5(事先准备好的坩埚)，从而实现在不开腔、不降到室温的情况下，更换蒸发源内的坩埚(待替换的坩埚4)。
具体操作过程为：首先确定消耗量最大的材料(对应的坩埚为待替换的坩埚4，事先将装好该材料的备用坩埚5安装在第二机械手臂3上。当蒸发源内待替换的坩埚4的材料耗尽时，启动第一机械手臂2将待替换的坩埚4取出，然后利用第二机械手臂3将备用坩埚5换入至蒸发源内。这样提高了消耗量最大材料的添加量，从而增加了一次蒸镀的时间，减少了开腔的次数；而且，在更换坩埚时，不需开腔，只需将蒸发源的温度降至预热温度，便可以将备用坩埚5换入蒸发源，整个过程不会超过半小时。
根据本发明的一示例性实施例，第一机械手臂2与第二机械手臂3之间的夹角为90°，即，第一机械手臂2与第二机械手臂3设置在基座1上且 相对于基座1而言，沿其90°圆心角的方向设置，这样两者在更换坩埚时互不干涉，利于协作配合。
根据本发明的一示例性实施例，如图8-9所示，第一机械手臂2与第二机械手臂3的结构相同，第一机械手臂2与第二机械手臂3均包括：转动臂6、固定臂7及驱动单元11；固定臂7的一端固定在基座1上，另一端与转动臂6铰接(当然，两个机械臂的固定臂7始终保持90°)；转动臂6在驱动单元11的带动下沿铰接点转动，可进行左右转向。而且在转动臂6的一端设有夹持单元，通过夹持单元方便取放坩埚(待替换的坩埚4和备用坩埚5)。
结合图6-7所示，夹持单元包括：至少两个弹片9，各个弹片9之间具有弹力，可向外呈扩张状；优选的，弹片9的数量为两个。
根据本发明的一示例性实施例，弹片9的一端与驱动单元11连接，另一端穿过一金属管10后可向外扩张；而且，驱动单元11带动弹片9在金属管10中伸缩移动；金属管10竖直设置在转动臂6的一端。可以理解的是，各个弹片之间有弹性，可以缩入管中。当未缩入管中时，弹片之间向外扩张有一个角度；当被驱动单元11上拉缩入管中时，弹片之间的角度就没有了，通过角度的变化达到夹起、放下坩埚的动作。使用时，将弹片9尽量收缩至金属管10内，使其下端可插入至坩埚的出气口内；然后，驱动单元11带动弹片9在金属管10中伸缩移动，使下端伸出金属管10后可向外扩张，从而将坩埚的出气口卡住。
对于基座1的形式同样可以为多种多样，以其中一种方式说明：基座1 上设有升降转台8。升降转台8为圆柱状，可理解为升降轴，其具有可上下升降移动和沿圆周方向转动的功能。对应的，第一机械手臂2和第二机械手臂3分别与升降转台8连接。
该更换坩埚装置还包括控制单元，控制单元与驱动单元11连接，用于向驱动单元11发出动作指令，从而控制驱动单元11的启动，利于对位置进行校准。控制单元还连接有存储单元，通过存储单元记录取放坩埚的位置信息。校准时，控制单元会产生坐标值，并通过存储单元记录。在后期动作时，系统调取校准时产生的坐标值直接移动到位。
根据本发明的一示例性实施例，驱动单元11为马达或气缸。值得说明是，上述实施例中驱动单元11为动力源，用于为各个零部件提供驱动力，其形式可根据实际需要灵活调整。例如：可采用马达+齿轮组的方式，或者气缸+齿轮组的方式。具体的，马达通过支架固定在转动臂6上，其输出端通过齿轮组与弹片9连接，用于带动弹片9在金属管10中伸缩移动，当然，该马达也通过齿轮组带动转动臂6进行转动。可见，为了描述方便，驱动单元11只是总称，其可以包括多个如马达、齿轮组等子部件。
此外，本发明还提供一种蒸镀系统，其包括蒸镀腔体和上述实施例中的更换坩埚装置，该更换坩埚装置设置在蒸镀腔体内，蒸镀腔体内设有多个蒸发源，至少一个蒸发源内设有待替换的坩埚4。通过该更换坩埚装置实现在不开腔、不降到室温的情况下，更换蒸发源内的坩埚(待替换的坩埚4)。
根据本发明的一示例性实施例，上述的蒸发源为点源式，即，其适用于点源蒸镀机。
综上所述，本发明提供一种更换坩埚装置，利用第一机械手臂抓取待替换的坩埚，然后再利用第二机械手臂携带并安放备用坩埚，从而在不开腔、不降到室温的情况下，实现更换蒸发源内的坩埚。
本发明的实施例是为了示例和描述起见而给出的，而并不是无遗漏的或者将本发明限于所公开的形式。很多修改和变化对于本领域的普通技术人员而言是显而易见的。选择和描述实施例是为了更好说明本发明的原理和实际应用，并且使本领域的普通技术人员能够理解本发明从而设计适于特定用途的带有各种修改的各种实施例。

Claims (11)

  1. 一种更换坩埚装置，其中，包括：基座、第一机械手臂和第二机械手臂；所述第一机械手臂与第二机械手臂分别设置在基座上，且随所述基座同步进行转向与升降动作；所述第一机械手臂的一端用于抓取待替换的坩埚；所述第二机械手臂的一端用于携带并安放备用坩埚。
  2. 根据权利要求1所述的更换坩埚装置，其中，所述第一机械手臂与第二机械手臂之间的夹角为90°。
  3. 根据权利要求1所述的更换坩埚装置，其中，所述第一机械手臂与第二机械手臂均包括：转动臂、固定臂及驱动单元；所述固定臂的一端固定在基座上，另一端与所述转动臂铰接；所述转动臂在所述驱动单元的带动下沿铰接点转动，且在所述转动臂的一端设有夹持单元。
  4. 根据权利要求3所述的更换坩埚装置，其中，所述夹持单元包括：至少两个弹片；所述弹片的一端与驱动单元连接，另一端穿过一金属管后可向外扩张；所述驱动单元带动所述弹片在所述金属管中伸缩移动；所述金属管竖直设置在所述转动臂的一端。
  5. 根据权利要求1所述的更换坩埚装置，其中，所述基座上设有升降转台，所述第一机械手臂和第二机械手臂分别与所述升降转台连接。
  6. 根据权利要求3所述的更换坩埚装置，其中，该更换坩埚装置还包括控制单元，所述控制单元与驱动单元连接，用于向所述驱动单元发出动作指令。
  7. 根据权利要求6所述的更换坩埚装置，其中，所述控制单元连接有存储单元，通过所述存储单元记录取放坩埚的位置信息。
  8. 根据权利要求6所述的更换坩埚装置，其中，所述驱动单元为马达或气缸。
  9. 根据权利要求1所述的更换坩埚装置，其中，该更换坩埚装置设置在蒸镀腔体内。
  10. 一种蒸镀系统，其中，包括蒸镀腔体和如权利要求1-8中任一项所述的更换坩埚装置，所述更换坩埚装置设置在所述蒸镀腔体内，所述蒸镀腔体内设有多个蒸发源，至少一个所述蒸发源内设有待替换的坩埚。
  11. 根据权利要求10所述的更换坩埚装置，其中，所述蒸发源为点源式。
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