TW202103813A - Cleaning method of semiconductor processing equipment component - Google Patents
Cleaning method of semiconductor processing equipment component Download PDFInfo
- Publication number
- TW202103813A TW202103813A TW109123967A TW109123967A TW202103813A TW 202103813 A TW202103813 A TW 202103813A TW 109123967 A TW109123967 A TW 109123967A TW 109123967 A TW109123967 A TW 109123967A TW 202103813 A TW202103813 A TW 202103813A
- Authority
- TW
- Taiwan
- Prior art keywords
- cleaning
- processing equipment
- semiconductor processing
- cleaning agent
- fluorocarbon polymer
- Prior art date
Links
Images
Classifications
-
- H10P70/23—
-
- H10P70/20—
Landscapes
- Cleaning Or Drying Semiconductors (AREA)
Abstract
一種用於半導體處理設備零部件的清洗方法包括:提供半導體處理設備零部件,半導體處理設備零部件的表面具有碳氟聚合物及包裹於碳氟聚合物內的第一污染物;利用第一清洗劑對半導體處理設備零部件進行第一清洗處理,去除碳氟聚合物,第一清洗劑具有強氧化性;去除碳氟聚合物之後,進行水洗;進行水洗之後,利用第二清洗劑對半導體處理設備零部件進行第二清洗處理,去除第一污染物,第二清洗劑包括氫氟酸溶液或者能夠水解產生氫氟酸的溶液。清洗方法對半導體處理設備零部件清洗的較乾淨,且對半導體處理設備零部件無損傷。A cleaning method for semiconductor processing equipment parts includes: providing semiconductor processing equipment parts, the surface of the semiconductor processing equipment parts has a fluorocarbon polymer and a first pollutant wrapped in the fluorocarbon polymer; using the first cleaning The first cleaning agent for the semiconductor processing equipment parts is to remove the fluorocarbon polymer. The first cleaning agent has strong oxidizing properties; after the fluorocarbon polymer is removed, it is washed with water; after the water is washed, the semiconductor is treated with the second cleaning agent The equipment parts undergo a second cleaning process to remove the first pollutants. The second cleaning agent includes a hydrofluoric acid solution or a solution that can be hydrolyzed to produce hydrofluoric acid. The cleaning method cleans the parts of the semiconductor processing equipment relatively cleanly, and does not damage the parts of the semiconductor processing equipment.
Description
本發明係關於半導體領域,特別是關於一種半導體處理設備零部件的清洗方法。The present invention relates to the field of semiconductors, in particular to a method for cleaning parts of semiconductor processing equipment.
在半導體製程中,對半導體材料進行蝕刻的製程通常包括乾式蝕刻製程或濕式蝕刻製程,其中,由於利用電漿進行蝕刻的乾式蝕刻製程能有效地控制蝕刻開口的尺寸而成爲目前最主流的蝕刻製程。現有製程通常利用輝光放電、射頻訊號、電暈放電等形成電漿。其中,利用射頻訊號形成電漿時,可以通過調控處理氣體成分、射頻功率的頻率、射頻功率的耦合模式、氣壓、溫度等參數,控制形成的電漿的密度及能量,從而最佳化電漿處理效果。因此,在現有的半導體蝕刻裝置中,通常採用射頻訊號形成電漿,且利用射頻訊號在待處理基片上形成偏壓,使得電漿轟擊待處理基片,對待處理基片進行蝕刻製程。In the semiconductor process, the process of etching semiconductor materials usually includes a dry etching process or a wet etching process. Among them, since the dry etching process using plasma etching can effectively control the size of the etching opening, it has become the most mainstream etching process. Process. Existing processes usually use glow discharge, radio frequency signals, corona discharge, etc. to form plasma. Among them, when using radio frequency signals to form plasma, the density and energy of the formed plasma can be controlled by adjusting the processing gas composition, the frequency of the radio frequency power, the coupling mode of the radio frequency power, the air pressure, and the temperature, so as to optimize the plasma. Treatment effect. Therefore, in the existing semiconductor etching device, a radio frequency signal is usually used to form plasma, and the radio frequency signal is used to form a bias voltage on the substrate to be processed, so that the plasma bombards the substrate to be processed, and the substrate to be processed is subjected to an etching process.
現有的採用射頻訊號形成電漿的蝕刻裝置主要包括電感耦合電漿(ICP)蝕刻裝置、電容耦合電漿(CCP)蝕刻裝置及電子回旋加速振蕩(ECR)蝕刻裝置等。在半導體製程過程中,電感耦合電漿(ICP)蝕刻裝置及電容耦合電漿(CCP)蝕刻裝置內的零部件的表面易堆積副產物,若不及時去除副產物,當副產物累積到一定量時將發生跌落,跌落於晶圓表面的副產物,將對晶圓表面的質量造成影響。Existing etching devices that use radio frequency signals to form plasma mainly include inductively coupled plasma (ICP) etching devices, capacitively coupled plasma (CCP) etching devices, and electron cyclotron accelerated oscillation (ECR) etching devices. In the semiconductor manufacturing process, the surface of the parts in the inductively coupled plasma (ICP) etching device and the capacitively coupled plasma (CCP) etching device is easy to accumulate by-products. If the by-products are not removed in time, when the by-products accumulate to a certain amount It will drop at times, and the by-products falling on the wafer surface will affect the quality of the wafer surface.
現有去除副產物的方法通常包括物理研磨或者高溫處理,然而,現有去除副產物的方法難以同時滿足半導體處理設備零部件潔淨度要求及不對半導體處理設備零部件的表面造成損傷的要求。Existing methods for removing by-products usually include physical grinding or high-temperature treatment. However, the existing methods for removing by-products are difficult to meet the requirements of cleanliness of semiconductor processing equipment parts and the requirements of not causing damage to the surface of semiconductor processing equipment parts.
本發明解決的技術問題是提供一種半導體處理設備零部件的清洗方法,以提高半導體處理設備零部件的清潔度,且減少對半導體處理設備零部件的損傷。The technical problem solved by the present invention is to provide a method for cleaning semiconductor processing equipment components, so as to improve the cleanliness of semiconductor processing equipment components and reduce damage to semiconductor processing equipment components.
爲解決上述技術問題,本發明提供一種半導體處理設備零部件的清洗方法,包括:提供半導體處理設備零部件,半導體處理設備零部件的表面具有碳氟聚合物及包裹於碳氟聚合物內的第一污染物;利用第一清洗劑對半導體處理設備零部件進行第一清洗處理,去除碳氟聚合物,第一清洗劑具有強氧化性;碳氟聚合物之後,進行水洗;進行水洗之後,利用第二清洗劑對半導體處理設備零部件進行第二清洗處理,去除第一污染物,第二清洗劑包括氫氟酸溶液或者能夠水解產生氫氟酸的溶液。In order to solve the above technical problems, the present invention provides a method for cleaning semiconductor processing equipment parts, including: providing semiconductor processing equipment parts, the surface of the semiconductor processing equipment parts has a fluorocarbon polymer and a second part wrapped in the fluorocarbon polymer One pollutant; use the first cleaning agent to perform the first cleaning treatment on the parts of the semiconductor processing equipment to remove fluorocarbon polymer. The first cleaning agent has strong oxidizing property; after the fluorocarbon polymer, it is washed with water; after the fluorocarbon polymer is washed, it is used The second cleaning agent performs a second cleaning process on the parts of the semiconductor processing equipment to remove the first pollutants. The second cleaning agent includes a hydrofluoric acid solution or a solution capable of hydrolyzing to generate hydrofluoric acid.
較佳地,半導體處理設備零部件包括:氣體噴淋頭、環形內襯、靜電夾盤及絕緣窗口。Preferably, the semiconductor processing equipment components include: a gas shower head, an annular lining, an electrostatic chuck, and an insulating window.
較佳地,第一清洗劑包括:溶解於去離子水中的氨水及雙氧水的混合溶液、溶解於去離子水中的雙氧水溶液或者溶解於去離子水中的臭氧溶液中的至少一種。Preferably, the first cleaning agent includes at least one of a mixed solution of ammonia water and hydrogen peroxide dissolved in deionized water, a hydrogen peroxide solution dissolved in deionized water, or an ozone solution dissolved in deionized water.
較佳地,當第一清洗劑爲溶解於去離子水中的氨水及雙氧水的混合溶液時,第一清洗處理的製程參數包括:氨水、雙氧化及去離子水的體積分數比爲:1:X:Y,Y大於X,X的取值範圍爲1~10之間的任意數,Y的取值範圍爲1~50之間的任意數,處理時間爲:5分鐘~1小時。Preferably, when the first cleaning agent is a mixed solution of ammonia water and hydrogen peroxide dissolved in deionized water, the process parameters of the first cleaning treatment include: the volume fraction ratio of ammonia water, double oxidation and deionized water is 1:X : Y, Y is greater than X, the value range of X is any number between 1 and 10, the value range of Y is any number between 1 and 50, and the processing time is: 5 minutes to 1 hour.
較佳地,第一污染物的材料包括:SiO2 及AlF3 中的一種或者兩種。Preferably, the material of the first pollutant includes: one or two of SiO 2 and AlF 3.
較佳地,能夠水解產生氫氟酸的溶液包括:氟化銨溶液。Preferably, the solution capable of hydrolyzing to generate hydrofluoric acid includes: ammonium fluoride solution.
較佳地,當第二清洗劑爲溶解於去離子水中的氫氟酸溶液時,第二清洗處理的製程參數包括:氫氟酸與去離子水的體積分數比爲:1:Z,Z的取值範圍爲10~400之間的任意數,處理時間爲5分鐘~1小時。Preferably, when the second cleaning agent is a hydrofluoric acid solution dissolved in deionized water, the process parameters of the second cleaning treatment include: the volume fraction ratio of hydrofluoric acid to deionized water is 1:Z, Z The value range is any number between 10 and 400, and the processing time is 5 minutes to 1 hour.
較佳地,半導體處理設備零部件上還具有第二污染物,第二污染物的材料包括:氧化鋁;去除第一污染物之後,還包括:對半導體處理設備零部件進行水洗;進行水洗之後,對半導體處理設備零部件進行第三清洗處理以去除第二污染物。Preferably, the semiconductor processing equipment component further has a second pollutant, and the material of the second pollutant includes: alumina; after removing the first pollutant, the method further includes: washing the semiconductor processing equipment component with water; , Perform a third cleaning process on the semiconductor processing equipment components to remove the second pollutants.
較佳地,第三清洗處理包括:高壓水洗及超聲波清洗。Preferably, the third cleaning treatment includes: high-pressure water cleaning and ultrasonic cleaning.
較佳地,半導體處理設備零部件的表面還具有位於碳氟聚合物的表面的油脂;利用第一清洗劑去除碳氟聚合物之前,還包括:利用第三清洗劑去除油脂;第三清洗劑包括:有機溶劑,有機溶劑包括:乙醇、異丙醇或者丙酮。Preferably, the surface of the semiconductor processing equipment component further has grease on the surface of the fluorocarbon polymer; before the first cleaning agent is used to remove the fluorocarbon polymer, the method further includes: using a third cleaning agent to remove the grease; a third cleaning agent Including: organic solvents, organic solvents include: ethanol, isopropanol or acetone.
較佳地,氣體噴淋頭及環形內襯均包括陽極氧化區域,陽極氧化區域的半導體處理設備零部件的表面具有陽極氧化層,陽極氧化層的材料包括氧化鋁;當半導體處理設備零部件爲氣體噴淋頭及環形內襯時,利用第一清洗劑去除碳氟聚合物之前,還包括:在陽極氧化區域形成遮蔽層;遮蔽層包括:膠帶;利用第一清洗劑去除碳氟聚合物的方法包括:擦拭方法。Preferably, the gas shower head and the annular lining both include an anodized area, the surface of the semiconductor processing equipment component in the anodized area has an anodized layer, and the material of the anodized layer includes alumina; when the semiconductor processing equipment component is In the case of the gas shower head and the annular lining, before the first cleaning agent is used to remove the fluorocarbon polymer, it also includes: forming a masking layer in the anodized area; the masking layer includes: tape; using the first cleaning agent to remove the fluorocarbon polymer Methods include: wiping method.
較佳地,當半導體處理設備零部件爲絕緣窗口時,利用第一清洗劑去除碳氟聚合物的方法包括:將半導體處理設備零部件浸泡於第一清洗劑內。Preferably, when the semiconductor processing equipment component is an insulating window, the method of using the first cleaning agent to remove the fluorocarbon polymer includes: immersing the semiconductor processing equipment component in the first cleaning agent.
較佳地,第一清洗處理的次數爲N次,N爲大於等於1的自然數;第二清洗處理的次數爲M次,M爲大於等於1的自然數。Preferably, the number of the first cleaning treatment is N times, and N is a natural number greater than or equal to 1; the number of second cleaning treatments is M times, and M is a natural number greater than or equal to 1.
較佳地,清洗方法包括至少一次循環清洗,每次循環清洗的方法包括:進行至少一次的第一清洗處理;進行至少一次第一清洗處理之後,進行至少一次第二清洗處理。Preferably, the cleaning method includes at least one cycle cleaning, and the method for each cycle cleaning includes: performing at least one first cleaning process; after performing at least one first cleaning process, performing at least one second cleaning process.
較佳地,進行第二清洗處理之後,半導體處理設備零部件的表面還具有抗電漿層,碳氟聚合物位於抗電漿層的表面;抗電漿層的材料包括:氧化釔或者釔氧氟化合物。Preferably, after the second cleaning treatment, the surface of the semiconductor processing equipment component further has an anti-plasma layer, and the fluorocarbon polymer is located on the surface of the anti-plasma layer; the material of the anti-plasma layer includes: yttrium oxide or yttrium oxide Fluorine compounds.
較佳地,抗電漿層的形成製程包括:物理氣相沉積製程。Preferably, the formation process of the anti-plasma layer includes a physical vapor deposition process.
與先前技術相比,本發明實施例的技術方案具有以下有益效果:Compared with the prior art, the technical solution of the embodiment of the present invention has the following beneficial effects:
本發明技術方案提供的半導體處理設備零部件的清洗方法中,利用第一清洗劑去除碳氟聚合物,利用第二清洗劑去除第一污染物,因此,有利於提高半導體處理設備零部件的潔淨度。另外,在去除碳氟聚合物及第一污染物的過程中,無需高溫,也無需進行物理研磨,因此,半導體處理設備零部件不易受到損傷。綜上,所述方法不僅能夠提高半導體處理設備零部件的潔淨度,而且對半導體處理設備零部件無損傷。In the method for cleaning semiconductor processing equipment parts provided by the technical scheme of the present invention, the first cleaning agent is used to remove the fluorocarbon polymer, and the second cleaning agent is used to remove the first pollutants. Therefore, it is beneficial to improve the cleanliness of the semiconductor processing equipment parts. degree. In addition, in the process of removing the fluorocarbon polymer and the first pollutant, there is no need for high temperature or physical grinding. Therefore, the semiconductor processing equipment parts are not easily damaged. In summary, the method can not only improve the cleanliness of semiconductor processing equipment components, but also has no damage to semiconductor processing equipment components.
進一步,當第一清洗劑爲氨水及雙氧水的混合溶液時,氨水能夠提高雙氧水去除碳氟聚合物的去除速率,使得碳氟聚合物的去除時間較短。Further, when the first cleaning agent is a mixed solution of ammonia water and hydrogen peroxide, the ammonia water can increase the removal rate of the fluorocarbon polymer by the hydrogen peroxide, so that the removal time of the fluorocarbon polymer is shorter.
進一步,當第二清洗劑爲氫氟酸溶液時,氫氟酸能夠與SiO2 發生化學反應,因此,有利於去除SiO2 ,且去除SiO2 的速率較快;並且,AlF3 在氫氟酸溶液中的溶解度較高,且溶解速度較快。綜上,氫氟酸溶液對SiO2 及AlF3 的去除時間較短。Furthermore, when the second cleaning agent is a hydrofluoric acid solution, the hydrofluoric acid can chemically react with SiO 2 , therefore, it is beneficial to remove SiO 2 , and the removal rate of SiO 2 is faster; and, AlF 3 is in the hydrofluoric acid The solubility in the solution is higher, and the dissolution rate is faster. In summary, the removal time of SiO 2 and AlF 3 by hydrofluoric acid solution is relatively short.
正如背景技術所述,現有清洗方法對半導體處理設備零部件清洗,難以同時提高半導體處理設備零部件的潔淨度及降低對半導體處理設備零部件的損傷。As described in the background art, the existing cleaning methods for cleaning semiconductor processing equipment components are difficult to simultaneously improve the cleanliness of semiconductor processing equipment components and reduce damage to semiconductor processing equipment components.
爲解決所述問題,本發明提供一種半導體處理設備零部件的清洗方法,包括:利用第一清洗劑對半導體處理設備零部件進行第一清洗處理,去除碳氟聚合物,第一清洗劑具有強氧化性;去除碳氟聚合物之後,進行水洗;水洗之後,利用第二清洗劑對半導體處理設備零部件進行第二清洗處理,去除第一污染物,第二清洗劑包括氫氟酸溶液或者能夠水解產生氫氟酸的溶液。所述方法能夠同時提高半導體處理設備零部件的潔淨度及降低對半導體處理設備零部件的損傷。In order to solve the problem, the present invention provides a method for cleaning semiconductor processing equipment components, which includes: using a first cleaning agent to perform a first cleaning treatment on the semiconductor processing equipment components to remove fluorocarbon polymers. The first cleaning agent has a strong Oxidizing; after the fluorocarbon polymer is removed, it is washed with water; after the water is washed, the semiconductor processing equipment parts are subjected to a second cleaning treatment with a second cleaning agent to remove the first pollutants. The second cleaning agent includes a hydrofluoric acid solution or can Hydrolysis produces a solution of hydrofluoric acid. The method can simultaneously improve the cleanliness of the semiconductor processing equipment components and reduce the damage to the semiconductor processing equipment components.
爲使本發明的上述目的、特徵及有益效果能夠更爲明顯易懂,下面結合附圖對本發明的具體實施例做詳細的說明。In order to make the above objectives, features and beneficial effects of the present invention more obvious and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
圖1爲一種半導體處理設備零部件清洗方法的製程流程圖。Fig. 1 is a process flow chart of a method for cleaning parts of semiconductor processing equipment.
請參考圖1,步驟S1:提供半導體處理設備零部件,半導體處理設備零部件的表面具有碳氟聚合物及包裹於碳氟聚合物內的第一污染物;Please refer to Figure 1, step S1: provide semiconductor processing equipment components, the surface of the semiconductor processing equipment components has a fluorocarbon polymer and the first pollutant wrapped in the fluorocarbon polymer;
步驟S2:利用第一清洗劑對半導體處理設備零部件進行第一清洗處理,去除碳氟聚合物,第一清洗劑具有強氧化性;Step S2: Use the first cleaning agent to perform the first cleaning treatment on the parts of the semiconductor processing equipment to remove the fluorocarbon polymer. The first cleaning agent has strong oxidizing properties;
步驟S3:去除碳氟聚合物之後,進行水洗;Step S3: After removing the fluorocarbon polymer, water washing is performed;
步驟S4:進行水洗之後,利用第二清洗劑對半導體處理設備零部件進行第二清洗處理,去除第一污染物,第二清洗劑包括氫氟酸溶液或者能夠水解產生氫氟酸的溶液。Step S4: After the water washing is performed, a second cleaning agent is used to perform a second cleaning treatment on the semiconductor processing equipment components to remove the first pollutants. The second cleaning agent includes a hydrofluoric acid solution or a solution that can be hydrolyzed to produce hydrofluoric acid.
以下進行詳細說明:The following is a detailed description:
圖2至圖6爲本發明一種半導體處理設備零部件清洗方法各步驟的結構示意圖。2 to 6 are schematic structural diagrams of each step of a method for cleaning parts of semiconductor processing equipment according to the present invention.
請參考圖2,提供半導體處理設備零部件100,半導體處理設備零部件100的表面具有碳氟聚合物101及包裹於碳氟聚合物101內的第一污染物102。Please refer to FIG. 2, a semiconductor
在本實施例中,半導體處理設備爲電感耦合電漿(ICP)蝕刻裝置,電感耦合電漿(ICP)蝕刻裝置包括:反應腔、進氣單元及位於反應腔頂部的絕緣窗口,位於反應腔內底部的基座及位於基座表面的靜電夾盤,進氣單元用於向反應腔內輸送反應氣體,反應氣體包括碳氟氣體,半導體處理設備零部件100包括:絕緣窗口或者靜電夾盤以及其他暴露在電漿環境中的零部件。In this embodiment, the semiconductor processing equipment is an inductively coupled plasma (ICP) etching device. The inductively coupled plasma (ICP) etching device includes a reaction chamber, an air inlet unit, and an insulating window on the top of the reaction chamber, which is located in the reaction chamber The base at the bottom and the electrostatic chuck on the surface of the base. The air inlet unit is used to deliver the reaction gas into the reaction chamber. The reaction gas includes fluorocarbon gas. The semiconductor
反應氣體在反應腔內被轉化爲電漿,半導體處理設備零部件100在電漿環境中使用,爲了防止電漿對半導體處理設備零部件100的表面造成損傷,在半導體處理設備零部件100的表面形成抗電漿層(圖中未示出)。抗電漿層的材料包括:氧化釔或者釔氧氟化合物。The reaction gas is converted into plasma in the reaction chamber. The semiconductor
抗電漿層的形成製程包括:物理氣相沉積製程;物理氣相沉積製程包括電漿加強物理氣相沉積製程。採用物理氣相沉積製程形成的抗電漿層較緻密,抗電漿層內的孔隙率很低,接近於0。The formation process of the anti-plasma layer includes a physical vapor deposition process; the physical vapor deposition process includes a plasma enhanced physical vapor deposition process. The anti-plasma layer formed by the physical vapor deposition process is relatively dense, and the porosity in the anti-plasma layer is very low, close to zero.
部分碳氟氣體反應形成碳氟聚合物101,碳氟聚合物101附著於半導體處理設備零部件100的表面。Part of the fluorocarbon gas reacts to form a
在本實施例中,安裝或者拆卸半導體處理設備零部件100,易在半導體處理設備零部件100的表面形成位於碳氟聚合物的表面的油脂103。In this embodiment, when the semiconductor
另外,還易在半導體處理設備零部件100的表面形成第一污染物102,第一污染物102包括:SiO2
及AlF3
中的一種或者兩種。其中,第一污染物102中矽源包括:晶圓或者製程處理過程中引入的含矽物質,第一污染物102中氧源包括:反應氣體或者製程處理過程中引入的含氧物質,鋁源包括:暴露出的半導體處理設備的零部件或者製程處理過程中引入的含鋁物質,氟源包括碳氟氣體或者製程處理過程中引入的含氟物質。In addition, it is easy to form a
在本實施例中,半導體處理設備零部件100上還具有第二污染物104,第二污染物104的材料包括:氧化鋁。In this embodiment, the semiconductor
若不及時去除碳氟聚合物101、第一污染物102、油脂103及第二污染物104,當碳氟聚合物101、第一污染物102、油脂103及第二污染物104積聚到一定程度,將跌落於晶圓的表面,對晶圓的表面造成損傷,因此,應當及時去除碳氟聚合物101、第一污染物102、油脂103及第二污染物104。If the
請參考圖3,利用第三清洗劑105去除油脂103(見圖2)。Please refer to FIG. 3, using the
利用第三清洗劑105去除油脂103的方法包括:將半導體處理設備零部件100置於第三清洗劑105內浸泡一段時間。The method of using the
第三清洗劑105包括:有機溶劑,有機溶劑包括:乙醇、異丙醇或者丙酮。The
去除油脂103之後,還包括:對半導體處理設備零部件100進行水洗。對半導體處理設備零部件100進行水洗,以去除第三清洗劑105,防止所第三清洗劑105對後續清洗處理造成影響。After removing the
請參考圖4,去除油脂103之後,利用第一清洗劑106對半導體處理設備零部件100進行第一清洗處理,去除碳氟聚合物101(見圖3),第一清洗劑106具有強氧化性。Please refer to Figure 4, after the
在本實施例中,當半導體處理設備零部件爲絕緣窗口時,利用第一清洗劑106去除碳氟聚合物101的方法包括:將半導體處理設備零部件100浸泡於第一清洗劑106內。In this embodiment, when the semiconductor processing equipment component is an insulating window, the method of using the
在其他實施例中,當半導體處理設備零部件爲靜電夾盤時,利用第一清洗劑去除碳氟聚合物的方法包括:擦拭方法。採用擦拭方法去除靜電夾盤,是爲了防止靜電夾盤內的電路受到損傷。In other embodiments, when the semiconductor processing equipment component is an electrostatic chuck, the method of using the first cleaning agent to remove the fluorocarbon polymer includes a wiping method. The wiping method is used to remove the electrostatic chuck in order to prevent the circuit in the electrostatic chuck from being damaged.
由於第一清洗劑106具有強氧化性,因此,第一清洗劑106能夠氧化碳氟聚合物101,即:第一清洗劑106能夠去除碳氟聚合物101。在去除碳氟聚合物101的過程無需物理研磨,使得半導體處理設備零部件100的表面不會因物理研磨帶來損傷,也無需進行高溫處理,使得半導體處理設備表面的抗電漿層不易發生開裂。Since the
第一清洗劑106包括:溶解於去離子水中的氨水及雙氧水的混合溶液、溶解於去離子水中的雙氧水溶液或者溶解於去離子水中的臭氧溶液中的至少一種。The
在本實施例中,第一清洗劑106爲溶解於去離子水中的氨水及雙氧水的混合溶液。由於雙氧水具有強氧化性,使得碳氟聚合物101能夠被去除。而氨水能夠提高雙氧水去除碳氟聚合物101的速率,有利於減少去除碳氟聚合物101的時間。In this embodiment, the
在本實施例中,當第一清洗劑106爲氨水及雙氧水的混合溶液時,第一清洗處理的製程參數包括:氨水、雙氧化及去離子水的體積分數比爲:1:X:Y,Y大於X,X的取值範圍爲1~10之間的任意數,Y的取值範圍爲1~50之間的任意數,處理時間爲:5分鐘~1小時。In this embodiment, when the
第一清洗處理的次數爲N次,N爲大於等於1的自然數。第一清洗處理的次數越多,碳氟聚合物101的去除越徹底,有利於提高半導體處理設備零部件100的潔淨度。The number of first cleaning treatments is N times, and N is a natural number greater than or equal to 1. The greater the number of the first cleaning process, the more thorough the removal of the
第一清洗處理之後,進行水洗,有利於去除第一清洗劑106,防止第一清洗劑106對後續清洗效果的影響。After the first cleaning treatment, water washing is performed to facilitate the removal of the
請參考圖5,進行水洗之後,利用第二清洗劑107對半導體處理設備零部件100進行第二清洗處理,去除第一污染物102(見圖4),第二清洗劑107包括氫氟酸溶液或者能夠水解產生氫氟酸的溶液。Please refer to FIG. 5, after washing with water, the
由於第二清洗劑107包括:氫氟酸溶液或者能夠水解產生氫氟酸的溶液,氫氟酸與SiO2
發生化學反應,因此,有利於去除SiO2
,且氫氟酸溶液去除SiO2
的速率很快;另外,AlF3
在氫氟酸溶液中的物理溶解性很好,且AlF3
在氫氟酸溶液中的速率很快。綜上,氫氟酸溶液對第一污染物102的溶解效果較好,且溶解速率較快。另外,利用第二清洗劑107去除第一污染物102的過程中,無需物理研磨,使得半導體處理設備零部件100的表面不會因物理研磨帶來損傷,也無需進行高溫處理,使得半導體處理設備表面的抗電漿層不易發生開裂。Since the
在本實施例中,第二清洗劑107爲溶解於去離子水中的氫氟酸溶液,第二清洗處理的製程參數包括:氫氟酸與去離子水的體積分數比爲:1:Z,Z的取值範圍爲10~400之間的任意數,處理時間爲5分鐘~1小時。In this embodiment, the
在其他實施例中,能夠水解產生氫氟酸的溶液包括:氟化銨溶液。In other embodiments, the solution capable of hydrolyzing to generate hydrofluoric acid includes: ammonium fluoride solution.
第二清洗處理的次數爲M次,M爲大於等於1的自然數。The number of second cleaning treatments is M times, and M is a natural number greater than or equal to 1.
對半導體處理設備零部件100的清洗方法包括至少一次循環清洗,每次循環清洗的方法包括:進行至少一次的第一清洗處理;進行至少一次第一清洗處理之後,進行至少一次第二清洗處理。經過多次循環清洗,有利於半導體處理設備零部件100的潔淨度。The cleaning method for the semiconductor
由於氫氟酸溶液難以去除氧化釔或者釔氧氟化合物,因此,第二清洗處理之後,半導體處理設備零部件100的表面還具有抗電漿層。抗電漿層能夠防止電漿對半導體處理設備零部件100的表面造成損傷。Since it is difficult for the hydrofluoric acid solution to remove yttrium oxide or yttrium oxyfluoride compound, after the second cleaning treatment, the surface of the semiconductor
去除第一污染物102之後,還包括:對半導體處理設備零部件100進行水洗。After removing the
請參考圖6,進行水洗之後,對半導體處理設備零部件100進行第三清洗處理以去除第二污染物104(見圖5)。Please refer to FIG. 6, after the water washing, the semiconductor
第三清洗處理包括:高壓水洗及超聲波清洗。The third cleaning treatment includes: high-pressure water washing and ultrasonic cleaning.
去除第二污染物104之後,半導體處理零部件100的表面還具有抗電漿層,抗電漿層用於防止電漿對半導體處理設備零部件100的表面造成損傷。After the
圖7爲本發明另一種半導體處理設備零部件的結構示意圖。FIG. 7 is a schematic diagram of the structure of another semiconductor processing equipment component of the present invention.
請參考圖7,提供半導體處理設備零部件200,半導體處理設備零部件200表面具有碳氟聚合物201及包裹於碳氟聚合物201內的第一污染物202。Please refer to FIG. 7, a semiconductor
在本實施例中,半導體處理設備爲電容耦合電漿(CCP)蝕刻裝置或者電感耦合電漿(ICP)蝕刻裝置,電感耦合電漿(ICP)蝕刻裝置包括:環形內襯,電容耦合電漿(CCP)蝕刻裝置包括:氣體噴淋頭,半導體處理設備零部件200包括環形內襯或者氣體噴淋頭。In this embodiment, the semiconductor processing equipment is a capacitively coupled plasma (CCP) etching device or an inductively coupled plasma (ICP) etching device, and the inductively coupled plasma (ICP) etching device includes: an annular lining, a capacitively coupled plasma ( CCP) The etching device includes a gas shower head, and the semiconductor
在本實施例中,當半導體處理設備零部件200爲氣體噴淋頭或者環形內襯時,氣體噴淋頭及環形內襯均包括陽極氧化區域A,陽極氧化區域A的半導體處理設備零部件200表面具有陽極氧化層205,陽極氧化層205的材料包括氧化鋁;當半導體處理設備零部件200爲氣體噴淋頭及環形內襯時,利用第一清洗劑去除碳氟聚合物之前,還包括:在陽極氧化區域A形成遮蔽層206;遮蔽層206包括:膠帶。In this embodiment, when the semiconductor
半導體處理設備表面也具有上述實施例油脂203、碳氟聚合物201、第一污染物202及第二污染物204。The surface of the semiconductor processing equipment also has the
後續去除油脂203、碳氟聚合物201、第一污染物202均採用擦拭的方法去除,且去除油脂203、碳氟聚合物201、第一污染物202的方法所採用的清洗劑與上述實施例相同,再次不做贅述。Subsequent removal of
去除第二污染物204的方法與上述實施例相同,再次不做贅述。The method for removing the
雖然本發明揭露如上,但本發明並非限定於此。任何發明所屬技術領域通常知識者,在不脫離本發明的精神及範圍內,均可作各種變更與修改,因此本發明的保護範圍應當以申請專利範圍所限定的範圍爲準。Although the present invention is disclosed as above, the present invention is not limited thereto. Any person with ordinary knowledge in the technical field to which the invention belongs can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the invention should be subject to the scope of the patent application.
100,200:半導體處理設備零部件 101,201:碳氟聚合物 102,202:第一污染物 103,203:油脂 104,204:第二污染物 105:第三清洗劑 106:第一清洗劑 107:第二清洗劑 205:陽極氧化層 206:遮蔽層 A:陽極氧化區域 S1,S2,S3,S4:步驟100,200: Semiconductor processing equipment parts 101,201: fluorocarbon polymer 102,202: the first pollutant 103,203: Grease 104,204: second pollutant 105: Third cleaning agent 106: The first cleaning agent 107: Second cleaning agent 205: Anodized layer 206: Masking Layer A: Anodized area S1, S2, S3, S4: steps
圖1爲本發明一種半導體處理設備零部件清洗方法的製程流程圖; 圖2至圖6爲本發明一種半導體處理設備零部件清洗方法各步驟的結構示意圖; 圖7爲本發明另一種半導體處理設備零部件的結構示意圖。Figure 1 is a process flow chart of a method for cleaning components of semiconductor processing equipment according to the present invention; 2 to 6 are schematic structural diagrams of each step of a method for cleaning parts of semiconductor processing equipment according to the present invention; FIG. 7 is a schematic diagram of the structure of another semiconductor processing equipment component of the present invention.
200:半導體處理設備零部件 200: Semiconductor processing equipment parts
201:碳氟聚合物 201: Fluorocarbon polymer
202:第一污染物 202: The first pollutant
203:油脂 203: Grease
204:第二污染物 204: second pollutant
205:陽極氧化層 205: Anodized layer
206:遮蔽層 206: Masking Layer
A:陽極氧化區域 A: Anodized area
Claims (17)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688873.9 | 2019-07-29 | ||
| CN201910688873.9A CN110364424B (en) | 2019-07-29 | 2019-07-29 | Cleaning method for parts of semiconductor processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202103813A true TW202103813A (en) | 2021-02-01 |
| TWI770556B TWI770556B (en) | 2022-07-11 |
Family
ID=68222487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW109123967A TWI770556B (en) | 2019-07-29 | 2020-07-15 | Cleaning method for parts of semiconductor processing equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110364424B (en) |
| TW (1) | TWI770556B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000475B (en) * | 2019-12-20 | 2022-07-22 | 中微半导体设备(上海)股份有限公司 | Cleaning method for plasma processing equipment component |
| CN112871853B (en) * | 2021-01-12 | 2022-06-24 | 度亘激光技术(苏州)有限公司 | Cleaning method of porous sucker |
| CN114029300B (en) * | 2021-03-12 | 2023-03-31 | 重庆康佳光电技术研究院有限公司 | Method for cleaning graphite plate |
| CN115274389B (en) * | 2021-04-30 | 2025-05-09 | 中微半导体设备(上海)股份有限公司 | A method for removing metal contamination in a semiconductor reaction chamber |
| CN117772688B (en) * | 2023-11-28 | 2026-01-06 | 上海富乐德智能科技发展有限公司 | A wet cleaning process for electrostatic chucks in semiconductor equipment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6802911B2 (en) * | 2001-09-19 | 2004-10-12 | Samsung Electronics Co., Ltd. | Method for cleaning damaged layers and polymer residue from semiconductor device |
| CN103972063B (en) * | 2014-05-20 | 2017-04-19 | 上海华力微电子有限公司 | Method for optimizing shape of ion implantation region |
| CN104201110A (en) * | 2014-09-09 | 2014-12-10 | 电子科技大学 | Surface processing method for cluster III nitride semiconductor material after dry etching |
| CN105655241A (en) * | 2016-04-07 | 2016-06-08 | 上海华力微电子有限公司 | Single-wafer wet cleaning method |
| CN106373868B (en) * | 2016-10-10 | 2020-03-10 | 昆山龙腾光电股份有限公司 | A manufacturing method of an array substrate |
| CN108231572A (en) * | 2016-12-21 | 2018-06-29 | 有研半导体材料有限公司 | A kind of method for silicon electrode corrosion |
| CN108305827A (en) * | 2017-01-11 | 2018-07-20 | 中芯国际集成电路制造(上海)有限公司 | A method of removal etching procedure residual polyalcohol |
| CN107346755B (en) * | 2017-06-29 | 2019-10-01 | 华进半导体封装先导技术研发中心有限公司 | Thin wafer cleaning device and cleaning method of the wafer scale with TSV through hole |
| CN109545658B (en) * | 2018-10-29 | 2022-10-21 | 上海华力集成电路制造有限公司 | Manufacturing method of MOS transistor with germanium-silicon source and drain |
-
2019
- 2019-07-29 CN CN201910688873.9A patent/CN110364424B/en active Active
-
2020
- 2020-07-15 TW TW109123967A patent/TWI770556B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110364424A (en) | 2019-10-22 |
| TWI770556B (en) | 2022-07-11 |
| CN110364424B (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI770556B (en) | Cleaning method for parts of semiconductor processing equipment | |
| CN103084353B (en) | The clean method of aluminum matter plasma chamber components | |
| JP2008527711A (en) | Method for removing low pressure of photoresist and etching residue | |
| CN111900070A (en) | Regeneration cleaning and repairing method for silicon part of semiconductor high-order process etching device | |
| CN115254766A (en) | Cleaning regeneration method of aluminum oxide ceramic ejector of semiconductor equipment | |
| WO2019205074A1 (en) | Methods and apparatus for cleaning semiconductor wafers | |
| WO2022242539A1 (en) | Ceramic piece cleaning method | |
| CN113805442A (en) | Method for removing photoresist | |
| CN111112212B (en) | Quartz thermal screen plate regeneration method for integrated circuit manufacturing | |
| CN100571900C (en) | A kind of cleaning method of anode oxidize spare parts surface | |
| TWI580486B (en) | Treatment of contaminants in workpieces with yttrium oxide coating | |
| KR19990066450A (en) | Method for manufacturing the cathode of the plasma etching apparatus and the cathode manufactured accordingly | |
| JP2002231699A (en) | Cleaning method of silicon electrode for fluorocarbon- based plasma generation, and manufacturing method of semiconductor device | |
| CN100468676C (en) | Semiconductor device bonding pad forming method | |
| CN101154558A (en) | Method for cleaning etching equipment component | |
| JP7254437B2 (en) | Methods for conditioning silicon parts | |
| CN115621121A (en) | Method for overcoming water stain residual defect after silicon carbonitride cleaning | |
| CN115707527A (en) | DK furnace tube cleaning method | |
| CN115870276A (en) | Process for removing silicon, oxygen, titanium nitride and fluoride deposited film on surface of ESC electrostatic adsorption disc of semiconductor etching equipment at high temperature | |
| JP2024541342A (en) | Method for cleaning semiconductor wafers - Patents.com | |
| TWI569894B (en) | Pollutant Treatment Method for Sprinkler with Silicon Carbide Coated | |
| CN100509187C (en) | Washing method for washing polymer film adhered on illinium oxide part surface | |
| CN101447410A (en) | Manufacturing method for semiconductor device | |
| CN119292014A (en) | A novel method for removing mask photoresist | |
| KR20000025416A (en) | Method for removing particles through improvement of dome surface structure |