CN103730377A - 粘晶方法及其装置 - Google Patents
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Abstract
本发明公开了一种粘晶方法,其步骤包含有:将一基板加热至一预定温度;吸取至少一晶粒,该至少一晶粒具有一基础温度,该基础温度小于该预定温度;将该至少一晶粒固晶于该基板;冷却该已固晶的基板;以及将该已固晶的基板移至一上下料位置,加热另一基板至该预定温度,并重复上述的步骤。
Description
技术领域
本发明涉及一种粘晶方法及其装置,尤其是一种预热晶粒与粘合晶粒的粘晶方法与装置。
背景技术
光电元件,广为应用于目前的日常生活中,举例而言,光电元件中以发光二极管(Light-Emitting Diode,LED)最具有代表性,因发光二极管已被视为下一代照明光源,以取代传统的日光灯与卤素灯。
现有的光电元件的制作工艺,是将一晶粒置放于基板,以使二者相粘合,然而在置放过程中,是使用一取放装置,将晶粒由晶粒供应单元取出,放置于晶粒暂放平台,再由另一取放装置,从晶粒暂放平台取出晶粒,贴合于基板上,晶粒粘合基板前,晶粒需要历经多次取放,并且前述的制作工艺是依靠单一固晶机构与单一制作平台,所以现有的光电元件需要较长的制作时间,并且具有较为繁复的生产流程。
发明内容
在本发明的一实施例中,本发明的目的在于提供一种粘晶方法,其步骤包含有:
将一基板加热至一预定温度;
吸取至少一晶粒;
将该至少一晶粒固晶于该基板;
冷却已固晶的基板;以及
将该已固晶的基板移至一上下料位置,加热另一基板至该预定温度,并重复上述的步骤。
在本发明的另一实施例中,本发明的目的在于提供一种粘晶装置,其包含有:
一基台;
一晶粒供应单元,其设于该基台的一端;
一基板加热及冷却单元,其设于该基台的另一端;以及
一固晶单元,其设于该基台的顶端,并且能够于该晶粒供应单元与该基板加热及冷却单元之间移动。
本发明仅需将晶粒从晶圆盘取出直接固晶于基板上;另一方面,本发明有多组晶粒取放固晶机构,可一次从晶圆盘取出多颗晶粒,缩短取放时间;最后,本发明拥有双固晶平台,在其中一平台进行固晶制作时,另一平台可进行冷却与上下料基板,可有效降低制程时间。
附图说明
图1是本发明的一种粘晶装置的立体示意图。
图2是一晶粒供应单元的立体示意图。
图3是一控温模块的立体示意图。
图4是一取放固晶模块的立体示意图。
图5是一晶粒供应单元与一取放固晶模块的局部动作示意图。
图6是晶粒供应单元、取放固晶模块与一基板加热及冷却单元的动作示意图。
图7是取放固晶模块与基板加热及冷却单元的局部动作示意图。
图8是本发明的一种粘晶方法的流程示意图。
【主要元件符号说明】
1 基台
2 晶粒供应单元
20 晶圆工作台
200 晶圆盘载台
201 旋转模块
202 工作台X轴向移动单元
203 工作台Y轴向移动单元
21 晶粒顶出模块
3 基板加热及冷却单元
30 Y轴向移动模块
31 控温模块
311 冷却液流入管
312 冷却液流出管
313 恒温液入管
314 温度传感器
315 隔热板
316 支撑座
317 恒温板
318 附加电路板
319 恒温液出管
4 固晶单元
40 固晶单元Y轴向移动模块
41 取放固晶模块
410 第一视觉模块
411 可调整加压模块
412 真空吸放转接器
414 晶粒吸嘴
415 角度对位模块
42 取放固晶模块Z轴向对位模块
43 取放固晶模块X轴向移动模块
5 第二视觉模块
S1~S8 步骤
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施例,并参照附图,对本发明进一步详细说明。
参考图1所示,本发明提供一种粘晶装置,其具有一基台1、一晶粒供应单元2、一基板加热及冷却单元3、一固晶单元4、一第一视觉模块410与一第二视觉模块5。
晶粒供应单元2设于基台1的一端,参考图2与图1所示,晶粒供应单元2具有一晶圆工作台20与一晶粒顶出模块21。
晶圆工作台20具有一晶圆盘载台200、一旋转模块201、一工作台X轴向移动单元202与一工作台Y轴向移动单元203,晶圆盘载台200设于旋转模块201的顶端,旋转模块201使晶圆盘载台200得以转动一角度,该角度能够为0至360度,举例而言,该角度能够为0至360度中的任一度数,但不限制,工作台X轴向移动单元202与工作台Y轴向移动单元203设于晶圆盘载台200的底端,工作台X轴向移动单元202使晶圆盘载台200能够沿着一X轴向移动,工作台Y轴向移动单元203使晶圆盘载台200能够沿着一Y轴向移动,如图所示,该X轴向垂直于该Y轴向。
晶粒顶出模块21设于晶圆盘载台200的底端。
基板加热及冷却单元3设于基台1的另一端,请配合参考图3与图1所示,基板加热及冷却单元3具有至少一控温模块31与至少一Y轴向移动模块30。
控温模块31设于Y轴向移动模块30,Y轴向移动模块30使控温模块31能够沿着Y轴向移动,本实施例中,控温模块31与Y轴向移动模块30的数量分别为两个,控温模块31具有一附加电路板318、一恒温板317、至少一支撑座316与一温度传感器314。
附加电路板318具有至少一冷却液流入管311、至少一冷却液流出管310、至少一加热管312与一隔热板315,冷却液流入管311能够将冷却液导入附加电路板318的内部,以冷却附加电路板318,冷却液流出管312能够将冷却液由附加电路板318的内部导出至附加电路板318的外部,加热管312能够为一电气加热管,加热管312能够加热附加电路板318,以使附加电路板318的温度提升至一预定温度,隔热板315设于附加电路板318的底部,以预防被加热的附加电路板318的热能影响位于附加电路板318底端的构件。
支撑座316设于附加电路板318与恒温板317之间,以使附加电路板318与恒温板317之间形成有可供温度传感器314设置的空间。
恒温板317具有至少一恒温液入管313与一恒温液出管319,恒温液入管313可将一恒温液导入恒温板317的内部,以使控温模块31维持于一特定温度,恒温液出管319可将恒温液由恒温板317的内部导出至恒温板317的外部。
固晶单元4设于基台1的顶端,并且能够在晶粒供应单元2与基板加热及冷却单元3之间移动,请配合参考图4与图1所示,固晶单元4具有一固晶单元Y轴向移动模块40、一取放固晶模块41、一取放固晶模块Z轴向对位模块42与一取放固晶模块X轴向移动模块43。
固晶单元Y轴向移动模块40设于基台1的两侧,固晶单元Y轴向移动模块40使取放固晶模块41能够沿着于Y轴向移动。
取放固晶模块41具有多个晶粒吸嘴414、多个角度对位模块415、多个真空吸放转接器412与多个可调整加压模块411。
各晶粒吸嘴414耦接各角度对位模块415,各角度对位模块415可使各晶粒吸嘴414转动一角度,举例而言,该角度能够为0至360度的任一度数,但不限制。
各晶粒吸嘴414进一步耦接各真空吸放转接器412,及耦接各可调整加压模块411,各真空吸放转接器412可使各晶粒吸嘴414具有真空吸力及下压推力。
各可调整加压模块411耦接各真空吸放转接器412,各可调整加压模块411能够调整各真空吸放转接器412提供给各晶粒吸嘴414的下压推力,各可调整加压模块411能够进一步调整一固晶时间。
取放固晶模块Z轴向对位模块42耦接取放固晶模块41,取放固晶模块Z轴向对位模块42可改变取放固晶模块41于一Z轴向的位置,该Z轴向垂直于前述的X轴向与Y轴向。
取放固晶模块X轴向移动模块43耦接取放固晶模块41与固晶单元Y轴向移动模块40,取放固晶模块X轴向移动模块43使取放固晶模块41得以沿着X轴向移动。
第一视觉模块410设于取放固晶模块41,并且与取放固晶模块41联动。
第二视觉模块5设于基台1的顶端,并且位于晶粒供应单元2与基板加热及冷却单元3之间。
请配合参考图5及图1所示,取放固晶模块41经由取放固晶模块X轴向移动模块43、取放固晶模块Z轴向对位模块42与固晶单元Y轴向移动模块40的移动,而使取放固晶模块41移动至晶圆工作台20的上方。
取放固晶模块41位于欲被吸取的晶粒的上方,晶粒顶出模块21则将欲被吸取的晶粒顶出,以使各晶粒吸嘴414得以依序吸取晶粒。
请配合参考图6所示,已吸取有多个晶粒的取放固晶模块41沿着Z轴向、Y轴向与X轴向移动至控温模块31的上方,温控模块31具有一已预热的基板,在取放固晶模块41的移动过程中,第二视觉模块5由下往上拍摄位于各晶粒吸嘴414的晶粒的影像,若晶粒的位置有所偏移,角度对位模块415将晶粒吸嘴414转动一角度,以调整晶粒的位置。
请配合参考图7所示,当取放固晶模块41位于已预热的基板的上方时,取放固晶模块41提供一下压推力,以将晶粒固晶于基板。
请再配合参考图6所示,当基板已完成固晶后,控温模块31移动至一上下料位置,在退至上下料位置的行程中,控温模块31对已固晶的基板进行冷却,另一具有已预热的基板的控温模块31移动至上述的固晶的位置,以进行固晶。
请配合参考图8所示,本发明提供一种粘晶方法,其步骤包含有:
S1:至少一控温模块31将一基板加热至第一预定温度,该第一预定温度为一焊料熔点温度,举例而言,该焊料熔点温度为85至200℃的任一温度,但不限制,承上的图1与图3,加热管312加热附加电路板318,位于附加电路板318的基板亦同被加热,直至温度传感器314感测控温模块31已达一预定温度,一具有预定温度的恒温液导入恒温板317内部,其使控温模块31维持于恒温状态,即维持于预定温度的状态,若温度传感器314感测控温模块31低于预定温度,则加热管312再度加热附加电路板318,直至恢复至预定温度。
S2:第一视觉模块410定位一位于晶圆盘载台200的晶圆,晶圆具有多个晶粒,该晶粒具有一基础温度,基础温度为一室温,基础温度小于上述的预定温度。
S3:承上的图2与图1,晶粒供应单元2依据第一视觉模块410所拍摄的影像,旋转模块201能够选择性将晶圆盘载台200转动一角度,或者第一轴向移动单元202能够选择性将晶圆盘载台200沿着第一轴向移动一距离,或者第二轴向移动单元203能够选择性将晶圆盘载台200沿着第二轴向移动一距离。
请配合参考图5所示,固晶单元4通过固晶单元Y轴向移动模块40、取放固晶模块Z轴向对位模块42与取放固晶模块X轴向移动43,以使取放固晶模块41移动至欲被吸取的晶粒的上方,晶粒顶出模块21则将欲被吸取的晶粒顶出,以使各晶粒吸嘴414得以依序吸取晶粒。
S4:如图6与图1所示,待取放固晶模块41已吸取有晶粒后,取放固晶模块41则朝向基板加热及冷却单元3方向移动,即取放固晶模块41先朝向Z轴向移动,即向上移动一距离,再朝向Y轴向移动,即朝向基板加热及冷却单元3方向移动,当取放固晶模块41通过第二视觉模块5的上方时,由下往上拍摄影像的第二视觉模块5拍摄位于各晶粒吸嘴414的晶粒的影像,若晶粒的位置有所偏移,角度对位模块415将晶粒吸嘴414转动一角度,以调整晶粒的位置;简而言之,角度对位模块415以第二视觉模块5所摄取的影像,以补偿晶粒的位置。
S5:取放固晶模块41持续移动至已被加热至预定温度的基板的上方,第一视觉模块410拍摄基板的影像,以补正晶粒位置与基板位置。
S6:如图7所示,当取放固晶模块41抵达基板上方时,取放固晶模块41再次沿着Z轴向移动,即下降一距离,取放固晶模块41则提供一下压推力,以将晶粒固晶于基板。
S7:如图3所示,控温模块31对基板进行冷却,冷却液导入附加电路板318内部,进而冷却基板,另一控温模块31则加热另一需要固晶的基板。
S8:请再配合参考图6所示,Y轴向移动模块30将具有已完成固晶的基板的控温模块31移动至一上下料位置,Y轴向移动模块30将另一具有该加热的基板的控温模块31移动至上述的固晶的位置,而且重复上述的步骤。
综合上述,本发明提供一加热基板,以使基板具有一预定温度,在将具有一基础温度的晶粒固晶于基板,再通过视觉模块,第一视觉模块与第二视觉模块,依序将多个晶粒固晶于基板,故本发明是整合晶粒取放与粘晶制作过程,并能缩短制作时间,以及简化繁复生产流程。
本发明仅需将晶粒从晶圆盘取出直接固晶于基板上;另一方面,本发明有多组晶粒取放固晶机构,可一次从晶圆盘取出多颗晶粒,缩短取放时间;最后,本发明拥有双固晶平台,在其中一平台进行固晶制作时,另一平台可进行冷却与上下料基板,可有效降低制程时间。
以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (19)
1.一种粘晶方法,其特征在于,其步骤包含有:
将一基板加热至一预定温度;
吸取至少一晶粒;
将该至少一晶粒固晶于该基板;
冷却已固晶的基板;以及
将该已固晶的基板移至一上下料位置,加热另一基板至该预定温度,并重复上述的步骤。
2.如权利要求1所述的粘晶方法,其中该预定温度为85至200℃。
3.如权利要求1所述的粘晶方法,其中该基板被一基板加热及冷却单元加热至该预定温度,并且该基板被该基板加热及冷却单元所冷却。
4.如权利要求1所述的粘晶方法,其中该至少一晶粒由一晶粒供应单元所提供。
5.如权利要求4所述的粘晶方法,其中该晶粒供应单元可供一具有多个晶粒的晶圆设置,该晶粒供应单元能够选择性将该晶圆转动一角度,该晶粒供应单元能选择性将该晶圆沿着一X轴向或一Y轴向移动一距离。
6.如权利要求1所述的粘晶方法,其中该至少一晶粒的吸取与固晶由一固晶单元所执行。
7.如权利要求1所述的粘晶方法,其特征在于,其进一步具有一第一视觉模块拍摄该至少一晶粒的影像,以供吸取该至少一晶粒。
8.如权利要求7所述的粘晶方法,其中该第一视觉模块拍摄该基板的影像,以补正该至少一晶粒的位置与该基板的位置。
9.如权利要求1所述的粘晶方法,其特征在于,其进一步具有一第二视觉模块由下往上拍摄该至少一晶粒的影像,以调整该至少一晶粒的位置。
10.一种粘晶装置,其特征在于,其包含有:
一基台;
一晶粒供应单元,其设于该基台的一端;
一基板加热及冷却单元,其设于该基台的另一端;以及
一固晶单元,其设于该基台的顶端,并且能够于该晶粒供应单元与该基板加热及冷却单元之间移动。
11.如权利要求10所述的粘晶装置,其中该基板加热及冷却单元具有至少一控温模块与至少一Y轴向移动模块,该控温模块设于该Y轴向移动模块。
12.如权利要求11所述的粘晶装置,其中该控温模块具有一附加电路板、一恒温板与一温度传感器,该附加电路板具有至少一冷却液流入管、至少一冷却液流出管、至少一加热管,该温度传感器设于该附加电路板与该恒温板之间,该恒温板具有至少一恒温液入管与一恒温液出管。
13.如权利要求12所述的粘晶装置,其中该控温模块进一步具有至少一支撑座,该至少一支撑座设于该附加电路板与该恒温板之间,该附加电路板的底部进一步具有一隔热板。
14.如权利要求10所述的粘晶装置,其中该固晶单元具有一固晶单元Y轴向移动模块、一取放固晶模块、一取放固晶模块Z轴向对位模块与一取放固晶模块X轴向移动模块,该固晶单元Y轴向移动模块设于该基台的两侧,该取放固晶模块Z轴向对位模块耦接该取放固晶模块,该取放固晶模块X轴向移动模块耦接该取放固晶模块与该固晶单元Y轴向移动模块。
15.如权利要求14所述的粘晶装置,其中该取放固晶模块具有多个晶粒吸嘴、多个角度对位模块、多个真空吸放转接器与多个可调整加压模块,各晶粒吸嘴耦接各角度对位模块,各真空吸放转接器耦接各晶粒吸嘴,各可调整加压模块耦接各真空吸放转接器。
16.如权利要求10所述的粘晶装置,其特征在于,其进一步具有一第一视觉模块设于该取放固晶模块。
17.如权利要求10所述的粘晶装置,其特征在于,其进一步具有一第二视觉模块,其设于该基台的顶端,并且位于该晶粒供应单元与该基板加热及冷却单元之间。
18.如权利要求10所述的粘晶装置,其中该晶粒供应单元具有一晶圆工作台与一晶粒顶出模块,该晶粒顶出模块设于该晶圆工作台的底端。
19.如权利要求18所述的粘晶装置,其中该晶圆工作台具有一晶圆盘载台、一旋转模块、一工作台X轴向移动单元与一工作台Y轴向移动单元,该晶圆盘载台设于该旋转模块的顶端,该工作台X轴向移动单元与该工作台Y轴向移动单元设于该晶圆盘载台的底端。
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