WO2020129737A1 - シリコンエッチング液 - Google Patents
シリコンエッチング液 Download PDFInfo
- Publication number
- WO2020129737A1 WO2020129737A1 PCT/JP2019/048150 JP2019048150W WO2020129737A1 WO 2020129737 A1 WO2020129737 A1 WO 2020129737A1 JP 2019048150 W JP2019048150 W JP 2019048150W WO 2020129737 A1 WO2020129737 A1 WO 2020129737A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- etching
- silicon
- hydrogen atom
- group
- etching rate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/60—Wet etching
- H10P50/66—Wet etching of conductive or resistive materials
- H10P50/663—Wet etching of conductive or resistive materials by chemical means only
- H10P50/667—Wet etching of conductive or resistive materials by chemical means only by liquid etching only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/60—Wet etching
- H10P50/64—Wet etching of semiconductor materials
- H10P50/642—Chemical etching
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/60—Wet etching
- H10P50/64—Wet etching of semiconductor materials
- H10P50/642—Chemical etching
- H10P50/644—Anisotropic liquid etching
Definitions
- the present invention relates to a silicon etching liquid used in the surface processing and etching steps when manufacturing various silicon devices.
- ⁇ Silicon has been applied to various fields by utilizing its excellent mechanical properties and electrical properties such as low resistance, relatively stable compared to other metals, and less restrictions on post-treatment.
- Valves, nozzles, printer heads, and semiconductor sensors such as diaphragms of semiconductor pressure sensors and cantilevers of semiconductor acceleration sensors) for detecting various physical quantities such as flow rate, pressure, acceleration, etc. by utilizing mechanical characteristics. It is applied. Further, by utilizing electric characteristics, it has been applied to various devices as a material of a part of metal wiring, a gate electrode and the like.
- Such various silicon devices are required to be highly integrated, miniaturized, highly sensitive, and highly functional depending on the application. In order to satisfy these requirements, microfabrication technology is used in manufacturing these silicon devices.
- TMAH tetramethylammonium hydroxide
- ⁇ Since etching using hydrofluoric nitric acid can be done isotropically regardless of the crystal orientation of silicon, it is possible to uniformly etch single crystal silicon, polysilicon, and amorphous silicon.
- the etching selection ratio is the ratio of the etching property to the target substance and the etching property to other members. When only the target substance is etched and the other members are not etched, it is said that "the etching selectivity is high”. Therefore, "there is no etching selection ratio between silicon and silicon oxide film” means that both silicon and silicon oxide film are etched in the same manner.
- alkali etching is used in various semiconductor processes by utilizing the property of high etching selection ratio between silicon and silicon oxide film.
- KOH and TMAH which have low toxicity and are easy to handle, are preferably used alone.
- TMAH has an etching rate for the silicon oxide film lower than that of the case where KOH is used by almost one digit, so that a cheaper silicon oxide film than the silicon nitride film can be used as a mask material. It has the advantage (see Non-Patent Document 1). Although TMAH has such advantages, it has a drawback that the production efficiency is low because the etching rate for silicon is slower than that of KOH. Therefore, a method of adding a specific additive has been proposed as a method of increasing the etching rate of TMAH with respect to silicon (see Patent Documents 3 and 4).
- the etching rate is increased by adding at least one reducing compound selected from hydroxylamines, hypophosphites, reducing sugars, ascorbic acid and brentscatechin, and derivatives thereof. doing.
- the etching rate is improved by adding at least one compound.
- the present inventors conducted continuous usability evaluation of the etching solution in order to investigate the practicality of the etching solution containing a quaternary ammonium compound such as TMAH described in Patent Documents 3 and 4 as a main component. As a result, it was found that the performance varies depending on the type of the additive to be added, and some problems occur. That is, (1) in the case of using an etching solution to which amines such as hydroxylamine are added, there is a problem that the etching rate decreases when the etching solution is continuously used for a long time, and (2) iron or nickel.
- a quaternary ammonium compound such as TMAH described in Patent Documents 3 and 4
- the present invention improves the etching rate with respect to silicon, does not form deposits on the etching surface during etching, and does not decrease the etching rate even when continuously used for a long time, such as TMAH. It is an object to provide an etching solution containing a quaternary ammonium compound as a main component.
- the present inventor has studied the effect of adding various compounds, and when a specific compound is added to an etching solution, the etching rate of silicon is improved, and deposits are not formed. It was found that the reduction of the etching rate due to the above can be suppressed, and the present invention has been completed.
- the present invention relates to a silicon etching liquid containing a phenol compound represented by the following formula (1), a quaternary ammonium compound, and water, and having a pH of 12.5 or higher.
- R 1 is a hydrogen atom, a hydroxyl group, an alkyl group, an alkoxy group or an amino group
- R 2 is a hydrogen atom, a hydroxyl group, an alkoxy group or an amino group.
- R 1 and R 2 are simultaneously a hydrogen atom. not that, when R 1 is a hydrogen atom R 2 is not a hydroxy group, R 1 is R 2 when alkyl group or a hydroxyl group is not a hydrogen atom.
- the concentration of the quaternary ammonium compound is preferably 1 to 50% by mass, and the concentration of the phenol compound represented by the formula (1) is preferably 0.05 to 20% by mass.
- Another aspect of the present invention is a method for manufacturing a silicon device, which includes a step of etching a silicon wafer, a polysilicon film, and an amorphous silicon film, wherein etching is performed using the above silicon etching solution.
- This is a device manufacturing method.
- etching solution of the present invention wet etching of silicon can be performed at high speed. Moreover, the etching rate does not decrease even after continuous use for a long time. Further, since no metal-based additive is used, deposits are not formed on the inclined portions of the etched silicon substrate, and the step of removing the deposits of metal after etching is unnecessary.
- the etching solution of the present invention contains an aqueous solution of a quaternary ammonium compound.
- a quaternary ammonium compound tetramethylammonium hydroxide (TMAH), tetraethylammonium hydroxide, or tetrabutylammonium hydroxide, which is used in an etching solution composed of a conventional quaternary ammonium compound aqueous solution, is particularly preferable.
- TMAH tetramethylammonium hydroxide
- tetraethylammonium hydroxide tetrabutylammonium hydroxide
- tetrabutylammonium hydroxide which is used in an etching solution composed of a conventional quaternary ammonium compound aqueous solution.
- One kind of these quaternary ammonium compounds may be used alone, or a plurality of kinds of different kinds may be mixed and used.
- TMAH it
- the concentration of the quaternary ammonium compound is not particularly different from that of the conventional etching solution, and is 1 to 50% by mass, preferably 3 to 30% by mass, based on the total mass of the etching solution. More preferably, it is in the range of 3 to 25% by mass. When the amount is in the range of 1 to 50% by mass, an excellent etching effect can be obtained without crystal precipitation.
- the etching solution of the present invention is characterized by containing a specific amount of a phenol compound represented by the following formula (1).
- a phenol compound represented by the following formula (1) By containing the phenol compound, the etching rate for silicon can be improved.
- R 1 is a hydrogen atom, a hydroxyl group, an alkyl group, an alkoxy group or an amino group
- R 2 is a hydrogen atom, a hydroxyl group, an alkoxy group or an amino group.
- the alkyl group and the alkoxy group each preferably have 1 to 3 carbon atoms, and more preferably 1 to 2 carbon atoms.
- R 1 is preferably a hydrogen atom, an alkoxy group or an alkyl group
- R 2 is preferably a hydroxyl group, an alkoxy group or an amino group.
- R 1 is a hydrogen atom
- R 2 is preferably an alkoxy group or an amino group
- R 1 is an alkoxy group or an alkyl group
- R 2 is particularly preferably a hydroxyl group. ..
- One of these phenol compounds may be used alone, or a plurality of different phenol compounds may be mixed and used.
- the preferable content of the phenol compound represented by the formula (1) in the etching solution of the present invention varies depending on the kind of the phenol compound, but generally, the total amount of the phenol compounds in the total weight of the etching solution is The amount is preferably 0.05 to 20% by mass, more preferably 0.1 to 10% by mass, and particularly preferably 1 to 5% by mass.
- the contents of the phenol compound and the quaternary ammonium compound are adjusted so that the pH of the etching solution becomes 12.5 or higher.
- the pH is preferably 13 or higher.
- the concentration of the phenol compound represented by the formula (1) is lower than 0.05% by mass, it is difficult to obtain the desired effect, and when it is higher than 20% by mass, the effect of improving the etching rate is lowered. It may end up. Further, when the pH of the etching solution is less than 12.5, the etching rate may decrease.
- the etching solution of the present invention can be easily prepared by adding a predetermined amount of the phenol compound to an aqueous solution of a quaternary ammonium compound having a predetermined concentration and dissolving the phenol compound. At this time, the phenol compound may not be directly added, but an aqueous solution of a phenol compound having a predetermined concentration may be prepared in advance and then added.
- the etching solution of the present invention contains the above-mentioned phenol compound and a quaternary ammonium compound, and the balance is usually water, but additions that have been conventionally used in etching solutions are used within a range that does not impair the object of the present invention. You may mix an agent and may melt
- the organic solvent is discolored or modified by addition, but there is no limitation as long as it can improve or maintain the etching property.
- Such other additives may be contained in a ratio of 10% by mass or less with respect to the mass of the entire etching solution.
- the etching solution of the present invention has a feature of a quaternary ammonium compound aqueous solution-based etching solution, that is, it has an advantage that it has low toxicity and is easy to handle, and an inexpensive silicon oxide film can be used as a mask material. Furthermore, the etching solution of the present invention improves the etching rate of silicon when etched under the same conditions as compared with the conventional quaternary ammonia compound aqueous solution-based etching solution, and also prevents deposits, which results in continuous use. It has the feature of suppressing the decrease in etching rate.
- the etching solution of the present invention is a semiconductor sensor for detecting various physical quantities such as a valve, a nozzle, a printer head, and a flow rate, a pressure, an acceleration, etc. by a silicon wet etching technique (for example, a diaphragm of a semiconductor pressure sensor or a semiconductor pressure sensor).
- a silicon wet etching technique for example, a diaphragm of a semiconductor pressure sensor or a semiconductor pressure sensor.
- Etching when manufacturing various silicon devices such as processing of semiconductor cantilever of semiconductor acceleration sensor) and etching of polysilicon and amorphous silicon which are applied to various devices as a part of metal wiring, materials of gate electrodes, etc. It can be suitably used as a liquid.
- wet etching of silicon may be performed using the etching solution of the present invention.
- the etching solution of the present invention There is no particular difference in the method at this time from the case of using the conventional etching solution.
- the necessary portion of the silicon wafer such as silicon oxide film or silicon nitride film
- the silicon wafer masked in step 1) is put in and the unnecessary portion of the silicon wafer is dissolved by utilizing the chemical reaction with the etching solution.
- the temperature of the etching solution at the time of etching may be appropriately determined from the range of 20 to 95° C. in consideration of the desired etching rate, the shape and surface state of silicon after etching, the productivity, etc.
- the range is preferable.
- Wet etching of silicon may be performed simply by immersing the object to be etched in an etching solution, but it is also possible to adopt an electrochemical etching method in which a constant potential is applied to the object to be etched.
- Examples of the object of the etching treatment in the present invention include silicon single crystal, polysilicon, and amorphous silicon, and silicon oxide films, silicon nitride films, and the like of non-objects that are not the object of the etching treatment in the object, such as aluminum.
- the metal may be included.
- Examples 1-8 After introducing 20 (ml) of a 5 mass% TMAH aqueous solution obtained by dissolving 2 mass% of each additive substance shown in Table 1 into a container made of a fluororesin having a volume of 60 (ml), the liquid temperature was 80°C using a water bath. It was heated until.
- a small piece of 1 cm ⁇ 2 cm silicon wafer was dipped in the above etching liquid for 20 seconds to measure the silicon etching rate.
- the silicon wafer is obtained by forming an oxide film on a silicon wafer using a batch thermal oxidation furnace, and forming a polysilicon film of 1 ⁇ m ( ⁇ 10%) on the oxide film using a low pressure CVD method.
- the etching rate was measured by measuring the film thickness of the polysilicon film formed by the low pressure CVD method before and after the etching with a reflection spectroscopic film thickness meter (F20 film thickness measurement system manufactured by Filmetrics Co., Ltd.), and the difference between them. It was determined by dividing by the etching time.
- each etching solution is 23 to 24°C using a pH meter (tabletop pH meter F-73 manufactured by HORIBA, Ltd.) and a pH electrode (flat ISFET pH electrode 0040-10D manufactured by HORIBA, Ltd.). The value at the time of was measured. The results are shown in Table 1.
- Example 9 to 28 The etching rate was determined in the same manner as in Example 1 except that the TMAH concentration, the type and amount of the added substance were changed as shown in Table 1. The results are shown in Table 1.
- Examples 29 and 30 In order to examine the presence or absence of a decrease in etching rate by a thermal stability test assuming continuous use for a long time, in Examples 6 and 8, except that etching was performed after heating at a liquid temperature of 80° C. for 24 hours in advance, Example 1 was used. The etching rate was investigated by the same method. The results are shown in Table 2.
- the etching rate of silicon is 1.5 ⁇ m/min and 1.6 ⁇ m/min when the etching liquid after the heat treatment at the liquid temperature of 80° C. for 24 hours is used in advance. there were.
- the etching rate of silicon in the etching liquid which was not heated for a long time was 1.5 ⁇ m/min, the etching rate did not decrease due to the long-time heating, and the thermal stability was stable. It can be seen that it has excellent properties.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
Description
第4級アンモニウム化合物の濃度は1~50質量%、式(1)で示されるフェノール化合物の濃度は0.05~20質量%であることが好ましい。
容積60(ml)のフッ素樹脂製の容器に表1に示す各種添加物質を2質量%溶解させた5質量%のTMAH水溶液20(ml)を導入後、ウォーターバスを用いて液温が80℃になるまで加熱した。
TMAHの濃度、添加物質の種類及び量を表1に示す様に変えた以外は実施例1と同様にしてエッチング速度を求めた。その結果を表1に示す。
長時間、連続使用を想定した熱安定性試験によるエッチング速度の低下の有無を調べるために、実施例6、8において、予め液温80℃で24時間加熱後にエッチングした以外は、実施例1と同様の方法で、エッチング速度を調べた。その結果を表2に示す。
TMAHの濃度、添加物質の種類及び量を表3に示す様に変えた以外は実施例1と同様にしてエッチング速度を求めた。その結果を表3に示す。
Claims (3)
- 第4級アンモニウム化合物の濃度が1~50質量%、式(1)で示されるフェノール化合物の濃度が0.05~20質量%であることを特徴とする請求項1記載のシリコンエッチング液。
- シリコンウェハ、ポリシリコン膜、アモルファスシリコン膜をエッチングする工程を含むシリコンデバイスの製造方法において、エッチングを請求項1又は2に記載のシリコンエッチング液を用いて行うことを特徴とするシリコンデバイスの製造方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020217018167A KR20210107656A (ko) | 2018-12-18 | 2019-12-09 | 실리콘 에칭액 |
| JP2020561325A JP7305679B2 (ja) | 2018-12-18 | 2019-12-09 | シリコンエッチング液 |
| US17/414,370 US20220041931A1 (en) | 2018-12-18 | 2019-12-09 | Silicon Etching Liquid |
| CN201980083578.9A CN113243041A (zh) | 2018-12-18 | 2019-12-09 | 硅蚀刻液 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-236342 | 2018-12-18 | ||
| JP2018236342 | 2018-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020129737A1 true WO2020129737A1 (ja) | 2020-06-25 |
Family
ID=71100803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2019/048150 Ceased WO2020129737A1 (ja) | 2018-12-18 | 2019-12-09 | シリコンエッチング液 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20220041931A1 (ja) |
| JP (1) | JP7305679B2 (ja) |
| KR (1) | KR20210107656A (ja) |
| CN (1) | CN113243041A (ja) |
| TW (1) | TWI827764B (ja) |
| WO (1) | WO2020129737A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116802775A (zh) * | 2021-03-15 | 2023-09-22 | 株式会社斯库林集团 | 衬底处理方法及衬底处理装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981404B (zh) * | 2021-02-05 | 2022-10-28 | 四川和晟达电子科技有限公司 | 一种钛合金蚀刻液组合物及其使用方法 |
| CN115895660A (zh) * | 2022-12-29 | 2023-04-04 | 沧州信联化工有限公司 | 一种tmah系各向异性硅蚀刻液及其制备方法 |
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| JPH06188236A (ja) * | 1992-09-17 | 1994-07-08 | Internatl Business Mach Corp <Ibm> | シリコンの選択的エッチングのための方法および組成物 |
| JP2002050595A (ja) * | 2000-08-04 | 2002-02-15 | Hitachi Ltd | 研磨方法、配線形成方法及び半導体装置の製造方法 |
| JP2002134456A (ja) * | 2000-10-25 | 2002-05-10 | Sony Corp | 半導体装置用洗浄剤及び半導体装置の洗浄方法 |
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| CN102644121A (zh) * | 2012-04-28 | 2012-08-22 | 铜陵凯顺生物科技有限公司 | 一种单晶硅太阳能电池无醇制绒液 |
| JP2016127293A (ja) * | 2014-12-29 | 2016-07-11 | エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated | エッチング液及びその使用方法 |
| JP2017108122A (ja) * | 2015-11-25 | 2017-06-15 | エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated | エッチング組成物及びその使用方法 |
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| JPH09213676A (ja) | 1996-02-07 | 1997-08-15 | Canon Inc | エッチング方法 |
| JP3726473B2 (ja) | 1998-02-06 | 2005-12-14 | 株式会社デンソー | シリコンウェハのエッチング方法 |
| US6599370B2 (en) * | 2000-10-16 | 2003-07-29 | Mallinckrodt Inc. | Stabilized alkaline compositions for cleaning microelectronic substrates |
| US7498295B2 (en) * | 2004-02-12 | 2009-03-03 | Air Liquide Electronics U.S. Lp | Alkaline chemistry for post-CMP cleaning comprising tetra alkyl ammonium hydroxide |
| CN1690120A (zh) * | 2004-03-01 | 2005-11-02 | 三菱瓦斯化学株式会社 | 具有高减震能力的树脂组合物 |
| JP3994992B2 (ja) | 2004-08-13 | 2007-10-24 | 三菱瓦斯化学株式会社 | シリコン微細加工に用いる異方性エッチング剤組成物及びエッチング方法 |
| JP4684869B2 (ja) | 2004-11-30 | 2011-05-18 | 株式会社トクヤマ | シリコンエッチング液 |
| JP5302551B2 (ja) * | 2008-02-28 | 2013-10-02 | 林純薬工業株式会社 | シリコン異方性エッチング液組成物 |
| CN102576674A (zh) * | 2009-10-02 | 2012-07-11 | 三菱瓦斯化学株式会社 | 硅蚀刻液和蚀刻方法 |
| JP2012033561A (ja) * | 2010-07-28 | 2012-02-16 | Sanyo Chem Ind Ltd | 窒化ケイ素用エッチング液 |
| JP5869368B2 (ja) * | 2011-03-04 | 2016-02-24 | 富士フイルム株式会社 | キャパシタ構造の形成方法及びこれに用いられるシリコンエッチング液 |
| KR102680736B1 (ko) * | 2016-12-14 | 2024-07-03 | 삼성전자주식회사 | 기판 가공 방법 및 접착층 세정 조성물 |
| KR20180105985A (ko) * | 2017-03-16 | 2018-10-01 | 코오롱인더스트리 주식회사 | 유기 태양전지 및 이의 제조 방법 |
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2019
- 2019-12-09 CN CN201980083578.9A patent/CN113243041A/zh not_active Withdrawn
- 2019-12-09 JP JP2020561325A patent/JP7305679B2/ja active Active
- 2019-12-09 WO PCT/JP2019/048150 patent/WO2020129737A1/ja not_active Ceased
- 2019-12-09 KR KR1020217018167A patent/KR20210107656A/ko not_active Ceased
- 2019-12-09 US US17/414,370 patent/US20220041931A1/en not_active Abandoned
- 2019-12-13 TW TW108145725A patent/TWI827764B/zh active
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| JP2002050595A (ja) * | 2000-08-04 | 2002-02-15 | Hitachi Ltd | 研磨方法、配線形成方法及び半導体装置の製造方法 |
| JP2002134456A (ja) * | 2000-10-25 | 2002-05-10 | Sony Corp | 半導体装置用洗浄剤及び半導体装置の洗浄方法 |
| JP2007525836A (ja) * | 2004-02-12 | 2007-09-06 | レール・リキード−ソシエテ・アノニム・ア・ディレクトワール・エ・コンセイユ・ドゥ・スールベイランス・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 化学機械平坦化の後洗浄用の改良されたアルカリ化学製品 |
| CN102644121A (zh) * | 2012-04-28 | 2012-08-22 | 铜陵凯顺生物科技有限公司 | 一种单晶硅太阳能电池无醇制绒液 |
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| JP2017108122A (ja) * | 2015-11-25 | 2017-06-15 | エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated | エッチング組成物及びその使用方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116802775A (zh) * | 2021-03-15 | 2023-09-22 | 株式会社斯库林集团 | 衬底处理方法及衬底处理装置 |
| US12685056B2 (en) | 2021-03-15 | 2026-07-14 | SCREEN Holdings Co., Ltd. | Substrate treating method and substrate treating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202030369A (zh) | 2020-08-16 |
| CN113243041A (zh) | 2021-08-10 |
| KR20210107656A (ko) | 2021-09-01 |
| JPWO2020129737A1 (ja) | 2021-10-28 |
| TWI827764B (zh) | 2024-01-01 |
| US20220041931A1 (en) | 2022-02-10 |
| JP7305679B2 (ja) | 2023-07-10 |
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