WO2016011644A1 - 湿法刻蚀装置及其刻蚀方法 - Google Patents

湿法刻蚀装置及其刻蚀方法 Download PDF

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Publication number
WO2016011644A1
WO2016011644A1 PCT/CN2014/082939 CN2014082939W WO2016011644A1 WO 2016011644 A1 WO2016011644 A1 WO 2016011644A1 CN 2014082939 W CN2014082939 W CN 2014082939W WO 2016011644 A1 WO2016011644 A1 WO 2016011644A1
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WIPO (PCT)
Prior art keywords
side plate
etching
tank
wet etching
substrate
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PCT/CN2014/082939
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English (en)
French (fr)
Inventor
李嘉
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US14/396,048 priority Critical patent/US20160027669A1/en
Publication of WO2016011644A1 publication Critical patent/WO2016011644A1/zh
Anticipated expiration legal-status Critical
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04Apparatus for manufacture or treatment
    • H10P72/0402Apparatus for fluid treatment
    • H10P72/0418Apparatus for fluid treatment for etching
    • H10P72/0422Apparatus for fluid treatment for etching for wet etching
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/04Apparatus for manufacture or treatment
    • H10P72/0402Apparatus for fluid treatment
    • H10P72/0418Apparatus for fluid treatment for etching
    • H10P72/0422Apparatus for fluid treatment for etching for wet etching
    • H10P72/0426Apparatus for fluid treatment for etching for wet etching with the semiconductor substrates being dipped in baths or vessels
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/30Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for conveying, e.g. between different workstations
    • H10P72/33Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for conveying, e.g. between different workstations into and out of processing chamber
    • H10P72/3314Continuous loading and unloading into and out of a processing chamber, e.g. transporting belts within processing chambers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W99/00Subject matter not provided for in other groups of this subclass

Definitions

  • the present invention relates to the field of wet etching techniques, and in particular to a wet etching apparatus and etching method therefor. Background technique
  • the wet etching process refers to an etching technique that removes an etchant using a liquid chemical.
  • the wet etching uses a suitable etching solution to chemically react with the etching material to change the structure of the etching material, so that the portion covered by the photoresist is not separated from the surface of the substrate, and the area covered with the photoresist is preserved. Down, this gives the desired pattern on the surface of the substrate.
  • the mode of wet etching the glass substrate mainly includes a spray mode and a dipping mode. In the conventional immersion mode, as shown in FIG.
  • the wet etching apparatus includes an etching groove 11 and a plurality of parallel rollers 12 disposed in the etching groove 11, wherein the left and right sides of the etching groove 11 A valve 13 is provided on each of the upper sides.
  • the glass substrate 14 to be etched enters the etching bath 11 under the driving of the roller 12, the glass substrate 14 needs to be immersed and etched after the chemical etching liquid is filled, which is disadvantageous for shortening the immersion etching time.
  • the active composition of the etch etchant in the etch tank 11 changes rapidly, and the etchant in the etch tank 11 cannot be completely discharged through the valve 13 of the etch tank 11.
  • the replacement ability of the chemical etching solution is insufficient, and the accumulation of the chemical etching solution in the etching bath 11 deteriorates for a long time, thereby affecting the etching quality of the glass substrate 14.
  • an object of the present invention is to provide a wet etching apparatus including an etching groove and a plurality of rollers disposed in the etching groove, wherein the plurality of rollers are used for carrying
  • the etched substrate further includes a immersion tank and a lifter, wherein the immersion tank is disposed within the etch tank and is located under the roller, the lifter Provided on a lower surface of the bottom plate of the immersion tank, the lifter pushes the immersion tank to rise or fall, so that the immersion The etching solution in the bath is immersed or detached from the substrate to be etched.
  • the thickness of the first side panel and the second side panel of the soaking trough are smaller than the minimum spacing between any two of the rollers.
  • the first side plate and the second side plate of the immersion tank are both lowered in a vertical direction such that the top surfaces of the first side plate and the second side plate are flush with or lower than the bottom plate The upper surface, so that the etching liquid used in the soaking tank is completely discharged.
  • the wet etching apparatus further includes a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve is disposed on the first side plate for controlling the first side plate Ascending or descending, the second electromagnetic valve is disposed on the second side plate for controlling the second side plate to rise or fall.
  • the soaking tank is formed of a polyvinyl chloride material.
  • the outer surface of the lifter is coated with a corrosion resistant material.
  • the outer surfaces of the first solenoid valve and the second solenoid valve are wrapped with a corrosion-resistant material.
  • Another object of the present invention is to provide an etching method for the above wet etching apparatus, which comprises: transferring a substrate to be etched into an etching bath by using a plurality of rollers while filling the bathing tank; Etching liquid; pushing the immersion tank to rise by using a lifter, so that the etching liquid in the immersion tank immerses the substrate to be etched, and etches the substrate to be etched.
  • the etching method further includes: after the etching of the substrate to be etched is completed, pushing the immersion tank to descend by using a lifter to remove the etchant from the etched substrate. Further, the etching method further includes: lowering the opposite first side plate and the second side plate of the immersion tank in a vertical direction to make the top of the first side plate and the second side plate The surface is flush or lower than the upper surface of the bottom plate, so that the etching liquid in the soaking tank is completely discharged.
  • the wet etching apparatus and the etching method thereof of the invention can fill the immersion tank with a new etching liquid while transferring the substrate into the etching tank by using a plurality of rollers, so that it is not necessary to wait for the substrate to be multi-layered After the roller is driven to the etching bath, the etching solution is injected into the bath, which is beneficial to shorten the etching time.
  • the wet etching apparatus and the etching method thereof can completely discharge the etching liquid used in the immersion tank, thereby avoiding the insufficient replacement ability of the etching liquid in the immersion tank and accumulating for a long time. The phenomenon of liquid deterioration. DRAWINGS
  • FIG. A schematic structural view of a wet etching apparatus according to an embodiment of the present invention
  • FIGS. 3a to 3d respectively show etching processes for etching a substrate by a wet etching apparatus according to an embodiment of the present invention.
  • a wet etching apparatus includes: an etching bath 110, a plurality of rollers 120, a dipping tank 130, and a lifter 140.
  • a plurality of rollers 120 are disposed in parallel in the etching groove 110 for carrying the substrate to be etched (for example, the glass substrate) 150 and transferring the substrate 150 into the etching groove 110.
  • the immersion tank 130 is disposed in the etch tank 110 and is located below the plurality of rollers 120.
  • the lifter 140 may be, for example, a cylinder disposed on a lower surface of the bottom plate 131 of the immersion tank 130 for pushing the immersion tank 130 upward or downward to immerse or detach the etchant filled in the immersion tank 130 from the substrate 150.
  • the dip tank 130 can be filled with a new etching liquid, so that the substrate 150 is not required to be transported to the etching tank by the plurality of rollers 120.
  • the etching liquid is injected into the immersion tank 130, which is advantageous for shortening the immersion etching time.
  • the first side plate 132 and the second side plate The thickness of 133 is less than the minimum spacing between any two rollers 120.
  • the minimum spacing between any two rollers 120 is equal to the distance between the centers of any two rollers 120 minus the diameter of roller 120.
  • the first side plate 132 and the second side plate 133 of the opposite side of the immersion tank 130 may be lowered in the vertical direction such that the top surface 1321 of the first side plate 132 and the top surface 1331 of the second side plate 133 are flush with Or lower than the upper surface of the bottom plate 131, so that the used etching liquid in the dipping tank 130 is completely discharged.
  • the first side plate 132 and the second side plate 133 may rise in the vertical direction to restore the original shape of the immersion tank 130.
  • the first electromagnetic valve 161 and the first side are respectively disposed on the first side plate 132 and the second side plate 133.
  • the two solenoid valves 162 respectively control the first side plate 132 and the second side plate 133 to vertically rise or fall vertically through the first electromagnetic valve 161 and the second electromagnetic valve 162, respectively.
  • the present invention is not limited thereto, and for example, the first side plate 132 and the second side plate 133 may be controlled by the cylinder to perform vertical ascent or vertical lowering.
  • the first electromagnetic valve 161 and the second electromagnetic valve 162 are The outer surface is coated with a material having corrosion resistance, for example, a perfluorodecoxy resin (referred to as PFA) material.
  • PFA perfluorodecoxy resin
  • the immersion tank 130 of the present embodiment is formed of a corrosion-resistant polyvinyl chloride (PVC) material.
  • PVC polyvinyl chloride
  • the invention is not limited thereto and may be formed from other suitable types of corrosion resistant materials.
  • the outer surface of the lifter 140 is coated with a material having corrosion resistance, for example, perfluoroantimony. Base resin (referred to as PFA) material.
  • FIG. 3a to 3d respectively show etching process diagrams for etching a substrate using a wet etching apparatus according to an embodiment of the present invention.
  • the substrate 150 to be etched is transferred into the etching bath 110 by using a plurality of rollers 120, and the immersion tank 130 is filled with the etching liquid. In this way, it is not necessary to wait until the substrate 150 is transported to the etching bath 110 by the plurality of rollers 120, and then the etching liquid is injected into the bath 130 to facilitate the shortening of the soaking. Etching time.
  • FIG. 3a the substrate 150 to be etched is transferred into the etching bath 110 by using a plurality of rollers 120, and the immersion tank 130 is filled with the etching liquid. In this way, it is not necessary to wait until the substrate 150 is transported to the etching bath 110 by the plurality of rollers 120, and then the etching liquid is injected into the bath 130 to facilitate the shortening of the soaking. Etching time.
  • the immersion tank 130 is pushed upward by the lifter 140 to immerse the immersion bath filled in the immersion tank 130 in the substrate 150, and the substrate 150 is immersed and etched.
  • the immersion tank 130 is pushed downward by the lifter 140 to remove the etchant filling the immersion tank 130 from the etched substrate 150.
  • the etched substrate 150 can be transported out of the etched trench 110 by a plurality of rollers 120 to advance to the next process (eg, a water wash process, a drying process, etc.).
  • a water wash process e.g., a drying process, etc.
  • the oppositely disposed first side plate 132 and second side plate 133 of the immersion tank 130 are lowered in the vertical direction so that the top surface 1321 of the first side plate 132 and the top surface of the second side plate 133 are 1331 is flush or lower than the upper surface of the bottom plate 131, so that the etching liquid of the immersed substrate 150 in the immersion tank 130 is completely discharged. Thereafter, the oppositely disposed first side plate 132 and second side plate 133 of the immersion tank 130 may be raised in the vertical direction to restore the original shape of the immersion tank 130. While the next substrate is transported into the etching bath 110 by the plurality of rollers 120, the dip tank 130 is filled with a new etching liquid.
  • the used etching liquid in the immersion tank 130 can be completely discharged, and then a new etching liquid is injected to avoid insufficient replacement ability of the etching liquid in the immersion tank 130. Accumulation of the etching solution caused by prolonged accumulation. While the invention has been shown and described with respect to the specific embodiments of the embodiments of the invention Various changes in details.

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Abstract

一种湿法刻蚀装置,包括刻蚀槽(11)、设置在刻蚀槽(11)之内的多根滚轮(12)、浸泡槽(130)及升降器(140),所述多根滚轮(12)用于承载待刻蚀的基板(150),其中,所述浸泡槽(130)设置在所述刻蚀槽(11)之内,并位于所述滚轮(12)之下,所述升降器(140)设置在所述浸泡槽(130)的底板(131)的下表面上,所述升降器(140)推动所述浸泡槽(130)上升或下降,以使所述浸泡槽(130)中的刻蚀液浸没或脱离所述待刻蚀的基板(150)。在利用多根滚轮(12)将基板(150)传送至刻蚀槽(11)中的同时,可向浸泡槽(130)中注满新的刻蚀液,利于缩短浸泡刻蚀时间。此外,将浸泡槽(130)内已使用的刻蚀液完全排出,从而避免由于浸泡槽(130)内的刻蚀液的置换能力不足,长时间积累使得刻蚀液变质的现象。

Description

说 明 书 湿法刻蚀装置及其刻蚀方法 技术领域
本发明涉及湿法刻蚀技术领域, 具体地讲, 涉及一种湿法刻蚀装置及其刻 蚀方法。 背景技术
湿法刻蚀工艺指的是采用液态化学药品对刻蚀物进行去除的刻蚀技术。湿 法刻蚀是用适当的刻蚀液, 与刻蚀物进行化学反应, 改变刻蚀物的结构, 使无 光刻胶覆盖的部分脱离基片表面, 而把有光刻胶覆盖的区域保存下来, 这样便 在基片表面得到了所需要的图案。 在液晶显示面板制造过程中, 对玻璃基板进行湿法刻蚀的模式主要包括喷 淋 (Spray) 模式和浸泡 (Dip) 模式。 在传统的浸泡模式中, 如图 1所示, 湿法刻蚀装置包括刻蚀槽 11及设置 在刻蚀槽 11内的多根平行的滚轮 12, 其中, 刻蚀槽 11的左右两侧板上分别设 有阀门 13。 待刻蚀的玻璃基板 14在滚轮 12的带动下进入刻蚀槽 11后, 需要 将化学刻蚀液注满后才能对玻璃基板 14进行浸泡刻蚀, 这样不利于缩短浸泡 刻蚀时间。 此外, 随着浸泡刻蚀的进行, 刻蚀槽 11 内的化学刻蚀液的有效成 分变化较快, 而通过刻蚀槽 11的阀门 13无法将刻蚀槽 11内的化学刻蚀液完 全排出, 导致化学刻蚀液的置换能力不足, 长时间积累会使得刻蚀槽 11 内的 化学刻蚀液变质, 从而影响对玻璃基板 14的刻蚀品质。 发明内容
为了解决上述现有技术存在的问题, 本发明的目的在于提供一种湿法刻蚀 装置, 包括刻蚀槽及设置在刻蚀槽之内的多根滚轮, 所述多根滚轮用于承载待 刻蚀的基板, 其中, 所述湿法刻蚀装置还包括浸泡槽及升降器, 其中, 所述浸 泡槽设置在所述刻蚀槽之内, 并位于所述滚轮之下, 所述升降器设置在所述浸 泡槽的底板的下表面上, 所述升降器推动所述浸泡槽上升或下降, 以使所述浸 泡槽中的刻蚀液浸没或脱离所述待刻蚀的基板。 进一歩地,所述浸泡槽的第一侧板和第二侧板的厚度均小于任意两根所述 滚轮之间的最小间隔。 进一歩地, 所述浸泡槽的第一侧板和第二侧板均沿竖直方向下降, 以使所 述第一侧板和第二侧板的顶面平齐于或低于所述底板的上表面, 从而使所述浸 泡槽中已使用的刻蚀液完全排出。 进一歩地, 所述湿法刻蚀装置还包括第一电磁阀和第二电磁阀, 其中, 所 述第一电磁阀设置在所述第一侧板上, 用于控制所述第一侧板上升或下降, 所 述第二电磁阀设置在所述第二侧板上, 用于控制所述第二侧板上升或下降。 进一歩地, 所述浸泡槽由聚氯乙烯材料形成。 进一歩地, 所述升降器的外表面包裹耐腐蚀性材料。 进一歩地, 所述第一电磁阀和第二电磁阀的外表面均包裹耐腐蚀性材料。 本发明的另一目的还在于提供一种上述的湿法刻蚀装置的刻蚀方法, 其包 括: 利用多根滚轮将待刻蚀的基板传送至刻蚀槽中, 同时在浸泡槽中注满刻蚀 液; 利用升降器推动所述浸泡槽上升, 以使所述浸泡槽中的刻蚀液浸没所述待 刻蚀的基板, 对所述待刻蚀的基板进行刻蚀。 进一歩地, 所述刻蚀方法还包括: 在所述待刻蚀的基板刻蚀完成之后, 利 用升降器推动所述浸泡槽下降, 以使所述刻蚀液脱离经刻蚀的基板。 进一歩地, 所述刻蚀方法还包括: 将所述浸泡槽的相对的第一侧板和第二 侧板沿竖直方向下降, 以使所述第一侧板和第二侧板的顶面平齐于或低于所述 底板的上表面, 从而使所述浸泡槽中的刻蚀液完全排出。 本发明的湿法刻蚀装置及其刻蚀方法, 在利用多根滚轮将基板传送至刻蚀 槽中的同时, 可向浸泡槽中注满新的刻蚀液, 这样就无需等到基板被多根滚轮 带动传送至刻蚀槽之后, 才向浸泡槽注入刻蚀液, 利于缩短浸泡刻蚀时间。 此 外, 本发明的湿法刻蚀装置及其刻蚀方法能够将浸泡槽内已使用的刻蚀液完全 排出, 从而避免由于浸泡槽内的刻蚀液的置换能力不足, 长时间积累使得刻蚀 液变质的现象。 附图说明
通过结合附图进行的以下描述, 本发明的实施例的上述和其它方面、 特点 和优点将变得更加清楚, 附图中: 图 1是现有的湿法刻蚀装置的结构示意图; 图 2是根据本发明的实施例的湿法刻蚀装置的结构示意图; 图 3a至图 3d分别示出利用根据本发明的实施例的湿法刻蚀装置刻蚀基板 的刻蚀过程图。 具体实施方式
以下, 将参照附图来详细描述本发明的实施例。 然而, 可以以许多不同的 形式来实施本发明, 并且本发明不应该被解释为限制于这里阐述的具体实施 例。 相反, 提供这些实施例是为了解释本发明的原理及其实际应用, 从而使本 领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的 各种修改。 图 2是根据本发明的实施例的湿法刻蚀装置的结构示意图。 参照图 2, 根据本发明的实施例的湿法刻蚀装置包括: 刻蚀槽 110、 多根 滚轮 120、 浸泡槽 130、 升降器 140。 多根滚轮 120平行地设置在刻蚀槽 110内, 用于承载待刻蚀的基板(例如 玻璃基板) 150并将基板 150带动传送至刻蚀槽 110中。 浸泡槽 130设置在刻 蚀槽 110中, 并位于多根滚轮 120之下。 升降器 140可例如是气缸, 其设置在 浸泡槽 130的底板 131的下表面, 用于推动浸泡槽 130向上或向下运动, 以使 注满浸泡槽 130的刻蚀液浸没或脱离基板 150。当利用多根滚轮 120将基板 150 传送至刻蚀槽 110中的同时, 可向浸泡槽 130中注满新的刻蚀液, 这样就无需 等到基板 150被多根滚轮 120带动传送至刻蚀槽 110之后, 才向浸泡槽 130注 入刻蚀液, 利于缩短浸泡刻蚀时间。 此外, 为了能够使浸泡槽 130中的刻蚀液 对基板 150进行浸泡刻蚀, 在本实施例中, 优选的, 第一侧板 132和第二侧板 133的厚度小于任意两根滚轮 120之间的最小间隔, 这里, 任意两根滚轮 120 之间的最小间隔等于任意两根滚轮 120 的圆心之间的距离减去滚轮 120 的直 径。 此外, 为了能够将浸泡槽 130内已使用的刻蚀液完全排出, 从而避免由于 浸泡槽 130内的刻蚀液的置换能力不足, 长时间积累使得刻蚀液变质的现象, 在本实施例中,浸泡槽 130的相对设置的第一侧板 132和第二侧板 133可沿竖 直方向下降, 以使第一侧板 132的顶面 1321和第二侧板 133的顶面 1331平齐 于或低于底板 131的上表面,从而使浸泡槽 130中的已使用的刻蚀液完全排出。 当然, 应当理解, 在将浸泡槽 130中的已使用的刻蚀液完全排出之后, 第一侧 板 132和第二侧板 133可沿竖直方向上升, 以恢复浸泡槽 130的原状。 为了推 动第一侧板 132和第二侧板 133沿竖直方向上升或下降, 在本实施例中, 在第 一侧板 132和第二侧板 133上分别设有第一电磁阀 161和第二电磁阀 162, 通 过第一电磁阀 161和第二电磁阀 162分别对应控制第一侧板 132和第二侧板 133进行竖直上升或竖直下降。 应当理解的是, 本发明并不局限于此, 例如也 可采用气缸控制第一侧板 132和第二侧板 133进行竖直上升或竖直下降。另外, 为了避免刻蚀槽 110中的刻蚀液对第一电磁阀 161和第二电磁阀 162进行腐蚀, 在本实施例中, 优选的, 在第一电磁阀 161和第二电磁阀 162的外表面均包裹 具有耐腐蚀性的材料, 例如, 全氟垸氧基树脂 (简称 PFA) 材料。 此外, 在本实施例中, 由于浸泡槽 130存储的刻蚀液具有腐蚀等性质, 因 此优选的, 本实施例的浸泡槽 130采用耐腐蚀的聚氯乙烯 (PVC) 材料形成。 当然,本发明并不局限于此,也可由其他合适类型的耐腐蚀的材料形成。另外, 为了避免刻蚀槽 110中的刻蚀液对升降器 140进行腐蚀, 在本实施例中, 优选 的, 在升降器 140的外表面包裹具有耐腐蚀性的材料, 例如, 全氟垸氧基树脂 (简称 PFA) 材料。 图 3a至图 3d分别示出利用根据本发明的实施例的湿法刻蚀装置刻蚀基板 的刻蚀过程图。 在图 3a中,利用多根滚轮 120将待刻蚀的基板 150带动传送至刻蚀槽 110 中的同时, 向浸泡槽 130中注满刻蚀液。 如此, 无需等到基板 150被多根滚轮 120带动传送至刻蚀槽 110之后, 才向浸泡槽 130注入刻蚀液, 利于缩短浸泡 刻蚀时间。 在图 3b中, 利用升降器 140推动浸泡槽 130向上运动, 以使注满浸泡槽 130的刻蚀液浸没基板 150, 对基板 150进行浸泡刻蚀。 在图 3c中, 在基板 150完成刻蚀之后, 利用升降器 140推动浸泡槽 130 向下运动, 以使注满浸泡槽 130的刻蚀液脱离经刻蚀的基板 150。 此后, 可利 用多根滚轮 120将经刻蚀的基板 150传送出刻蚀槽 110, 以使其进入下一道制 程 (例如水洗制程、 干燥制程等)。 在图 3d中, 将浸泡槽 130的相对设置的第一侧板 132和第二侧板 133沿 竖直方向下降, 以使第一侧板 132的顶面 1321和第二侧板 133的顶面 1331平 齐于或低于底板 131的上表面, 从而使浸泡槽 130中的已刻蚀完基板 150的刻 蚀液完全排出。 此后, 可将浸泡槽 130的相对设置的第一侧板 132和第二侧板 133沿竖直方向上升, 以恢复浸泡槽 130的原状。 在下一基板被多根滚轮 120 传输至刻蚀槽 110中的同时, 向浸泡槽 130中注满新的刻蚀液。 如此, 可在每 次刻蚀完基板之后, 将浸泡槽 130中的已使用的刻蚀液完全排出, 而后注入新 的刻蚀液, 避免由于浸泡槽 130内的刻蚀液的置换能力不足, 长时间积累使得 刻蚀液变质的现象。 虽然已经参照特定实施例示出并描述了本发明, 但是本领域的技术人员将 理解: 在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下, 可在此进行形式和细节上的各种变化。

Claims

权利要求书
1、 一种湿法刻蚀装置, 包括刻蚀槽及设置在刻蚀槽之内的多根滚轮, 所 述多根滚轮用于承载待刻蚀的基板, 其中, 所述湿法刻蚀装置还包括浸泡槽及 升降器, 其中, 所述浸泡槽设置在所述刻蚀槽之内, 并位于所述滚轮之下, 所 述升降器设置在所述浸泡槽的底板的下表面上,所述升降器推动所述浸泡槽上 升或下降, 以使所述浸泡槽中的刻蚀液浸没或脱离所述待刻蚀的基板。
2、 根据权利要求 1所述的湿法刻蚀装置, 其中, 所述浸泡槽的第一侧板 和第二侧板的厚度均小于任意两根所述滚轮之间的最小间隔。
3、 根据权利要求 1所述的湿法刻蚀装置, 其中, 所述浸泡槽的第一侧板 和第二侧板均沿竖直方向下降, 以使所述第一侧板和第二侧板的顶面平齐于或 低于所述底板的上表面, 从而使所述浸泡槽中已使用的刻蚀液完全排出。
4、 根据权利要求 2所述的湿法刻蚀装置, 其中, 所述浸泡槽的第一侧板 和第二侧板均沿竖直方向下降, 以使所述第一侧板和第二侧板的顶面平齐于或 低于所述底板的上表面, 从而使所述浸泡槽中已使用的刻蚀液完全排出。
5、 根据权利要求 3所述的湿法刻蚀装置, 其中, 所述湿法刻蚀装置还包 括第一电磁阀和第二电磁阀, 其中, 所述第一电磁阀设置在所述第一侧板上, 用于控制所述第一侧板上升或下降, 所述第二电磁阀设置在所述第二侧板上, 用于控制所述第二侧板上升或下降。
6、 根据权利要求 4所述的湿法刻蚀装置, 其中, 所述湿法刻蚀装置还包 括第一电磁阀和第二电磁阀, 其中, 所述第一电磁阀设置在所述第一侧板上, 用于控制所述第一侧板上升或下降, 所述第二电磁阀设置在所述第二侧板上, 用于控制所述第二侧板上升或下降。
7、 根据权利要求 1所述的湿法刻蚀装置, 其中, 所述浸泡槽由聚氯乙烯 材料形成。
8、 根据权利要求 1所述的湿法刻蚀装置, 其中, 所述升降器的外表面包 裹耐腐蚀性材料。
9、 根据权利要求 5所述的湿法刻蚀装置, 其中, 所述第一电磁阀和第二 电磁阀的外表面均包裹耐腐蚀性材料。
10、 根据权利要求 6所述的湿法刻蚀装置, 其中, 所述第一电磁阀和第二 电磁阀的外表面均包裹耐腐蚀性材料。
11、 一种湿法刻蚀装置的刻蚀方法, 其中, 包括: 利用多根滚轮将待刻蚀的基板传送至刻蚀槽中, 同时在浸泡槽中注满刻蚀 液; 利用升降器推动所述浸泡槽上升, 以使所述浸泡槽中的刻蚀液浸没所述待 刻蚀的基板, 对所述待刻蚀的基板进行刻蚀。
12、 根据权利要求 11所述的刻蚀方法, 其中, 还包括: 在所述待刻蚀的基板刻蚀完成之后, 利用升降器推动所述浸泡槽下降, 以 使刻蚀液脱离经刻蚀的基板。
13、 根据权利要求 12所述的刻蚀方法, 其中, 还包括: 将所述浸泡槽的相对的第一侧板和第二侧板沿竖直方向下降, 以使所述第 一侧板和第二侧板的顶面平齐于或低于所述底板的上表面, 从而使所述浸泡槽 中已使用的刻蚀液完全排出。
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CN102553854A (zh) * 2011-12-31 2012-07-11 上海新阳半导体材料股份有限公司 升降抖动装置
CN104045242A (zh) * 2014-06-26 2014-09-17 深圳市华星光电技术有限公司 玻璃基板的蚀刻方法及蚀刻浸泡装置

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