JP5253765B2 - ダイシング切削水用添加剤及びそれを使用した切削加工方法 - Google Patents
ダイシング切削水用添加剤及びそれを使用した切削加工方法 Download PDFInfo
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- JP5253765B2 JP5253765B2 JP2007177276A JP2007177276A JP5253765B2 JP 5253765 B2 JP5253765 B2 JP 5253765B2 JP 2007177276 A JP2007177276 A JP 2007177276A JP 2007177276 A JP2007177276 A JP 2007177276A JP 5253765 B2 JP5253765 B2 JP 5253765B2
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Landscapes
- Lubricants (AREA)
- Dicing (AREA)
Description
そこで、切削屑を効率よく除去するために、ダイシング装置の改良や切削水の噴射方法等を改良することが考えられてきた(例えば、特許文献1,2を参照)。しかし、こうした方法でも半導体ウェハー等の硬質板状物上の切削屑を完全に除去することはできなかった。
両性界面活性剤としては、例えば、カルボキシベタイン、スルホベタイン、ホスホベタイン、アミドアミノ酸、イミダゾリニウムベタイン系界面活性剤等が挙げられる。
発泡剤の配合量は、本発明に使用できるポリマー10質量部に対して、1〜100質量部になるように配合すればよいが、好ましくは1〜50質量部、より好ましくは2〜20質量部になるように配合すればよい。
指標=試験切削水用添加剤での洗浄の異物の数/純水での洗浄での異物の数
ポリマー1:ポリビニルピロリドン(重量平均分子量40,000)
ポリマー2:ポリビニルピロリドン(重量平均分子量160,000)
ポリマー3:ビニルピロリドン/ビニルアセテート=6/4(モル比)のランダムポリマー(重量平均分子量60,000)
ポリマー4:ポリアクリル酸アンモニウム塩(重量平均分子量4000)
界面活性剤1:ヤシ油脂肪酸ジエタノールアミド
界面活性剤2:ポリオキシエチレン(8)ラウリルエーテル
界面活性剤3:ポリオキシエチレン(6)ポリオキシプロピレン(2)トリデシルエーテル
Claims (8)
- 一般式(1)で表される単量体ユニットのR1〜R3が全て水素原子であることを特徴とする、請求項1に記載のダイシング切削水用添加剤。
- 前記ポリマーが、一般式(1)で表される単量体ユニットからなることを特徴とする、請求項1または2に記載のダイシング切削水用添加剤。
- 前記一般式(2)を除くエチレン基含有モノマーが、ビニルアセテート、ビニルイミダゾール、ビニルカプトラクタムのいずれかであることを特徴とする請求項4に記載のダイシング切削水用添加剤。
- 更に、金属分を0.1質量%以上含有しないことを特徴とする請求項1〜5のいずれか一項に記載のダイシング切削水用添加剤。
- 請求項1〜6に記載のいずれか一項に記載のダイシング切削水用添加剤を、固形分が0.0001〜1質量%になるように水で希釈することによって得られるダイシング用切削水溶液。
- 請求項7に記載のダイシング用切削水溶液を用いて、硬質板状物の切削加工を行うことを特徴とする切削加工方法。
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Cited By (2)
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DE102019123080B4 (de) | 2018-08-31 | 2021-08-12 | Nikka Seiko Co., Ltd. | Prozesslösung für Chipvereinzelungsprozess sowie Chipvereinzelungsprozess |
JP7123826B2 (ja) | 2019-02-19 | 2022-08-23 | 株式会社ディスコ | 計量装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US8580656B2 (en) | 2008-07-14 | 2013-11-12 | Air Products And Chemicals, Inc. | Process for inhibiting corrosion and removing contaminant from a surface during wafer dicing and composition useful therefor |
US8883701B2 (en) | 2010-07-09 | 2014-11-11 | Air Products And Chemicals, Inc. | Method for wafer dicing and composition useful thereof |
JP5420498B2 (ja) * | 2010-08-03 | 2014-02-19 | ユシロ化学工業株式会社 | 固定砥粒ワイヤソー用水溶性加工液 |
JP2012240148A (ja) | 2011-05-18 | 2012-12-10 | Disco Corp | バイト切削装置及び被加工物のバイト切削方法 |
JP6197545B2 (ja) * | 2013-09-30 | 2017-09-20 | 株式会社村田製作所 | 電子部品の製造方法およびダイシング装置 |
JP2017190398A (ja) * | 2016-04-13 | 2017-10-19 | 株式会社ディスコ | 切削水用添加剤、切削水及び切削加工方法 |
JP6713214B2 (ja) * | 2016-09-12 | 2020-06-24 | 株式会社ディスコ | デバイスウェーハの加工方法 |
JP7337442B2 (ja) * | 2019-02-19 | 2023-09-04 | 株式会社ディスコ | 加工液の循環システム |
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JP2002167589A (ja) * | 2000-11-30 | 2002-06-11 | Nippon Shokubai Co Ltd | 金属加工油剤 |
JP2007152858A (ja) * | 2005-12-07 | 2007-06-21 | Disco Abrasive Syst Ltd | 高脆性材料の切削又は研削加工方法及び切り屑付着抑制剤 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102019123080B4 (de) | 2018-08-31 | 2021-08-12 | Nikka Seiko Co., Ltd. | Prozesslösung für Chipvereinzelungsprozess sowie Chipvereinzelungsprozess |
US11608433B2 (en) | 2018-08-31 | 2023-03-21 | Nikka Seiko Co., Ltd. | Formulation and processing solution for dicing process, and method for processing |
JP7123826B2 (ja) | 2019-02-19 | 2022-08-23 | 株式会社ディスコ | 計量装置 |
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