CN106336953A - 一种用于硅片清洗的酸性超声波清洗剂 - Google Patents

一种用于硅片清洗的酸性超声波清洗剂 Download PDF

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CN106336953A
CN106336953A CN201610714671.3A CN201610714671A CN106336953A CN 106336953 A CN106336953 A CN 106336953A CN 201610714671 A CN201610714671 A CN 201610714671A CN 106336953 A CN106336953 A CN 106336953A
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吕凤岗
程林
曹来福
戴珍旭
胡正田
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Abstract

一种用于硅片清洗的酸性超声波清洗剂,涉及硅材料加工技术领域,由以下重量份的原料制成:丙醇80‑86份、苯酚15‑25份、羧甲基纤维素钠2‑4份、椰油酸6‑8份、胶体粒子15‑25份、烷基磺酸钠2‑4份、焦磷酸钾6‑8份、滑石粉15‑25份、醋酸20‑30份、柠檬酸6‑8份、葡糖酸洗必太3‑5份、葡庚糖酸钠2‑4份、去离子水850‑860份。本发明的有益效果是:本发明制备方法简单,配方合理,制备的清洗剂,配合超声波清洗技术,能高效去除附着硅片上的各种污垢,效果良好,不会产生残留,无污染,清洗效果显著,原料易得,成本低下。

Description

一种用于硅片清洗的酸性超声波清洗剂
技术领域
本发明涉及硅材料加工技术领域,具体涉及一种用于硅片清洗的酸性超声波清洗剂。
背景技术
硅材料,是重要的半导体材料,化学元素符号Si,电子工业上使用的硅应具有高纯度和优良的电学和机械等性能,硅是产量最大、应用最广的半导体材料,它的产量和用量标志着一个国家的电子工业水平,单晶硅在太阳能电池中的应用,高纯的单晶硅是重要的半导体材料。在光伏技术和微小型半导体逆变器技术飞速发展的今天,利用硅单晶所生产的太阳能电池可以直接把太阳能转化为光能,实现了迈向绿色能源革命的开始。
硅片是硅材料存在的一种物理形式,在正常的应用中,硅片,是制作集成电路的重要材料,通过对硅片进行光刻、离子注入等手段,可以制成各种半导体器件。用硅片制成的芯片有着惊人的运算能力,科学技术的发展不断推动着半导体的发展,自动化和计算机等技术发展,使硅片这种高技术产品的造价已降到十分低廉的程度,然而硅片在加工时,不同的工艺节点都会使得硅片加工出现瑕疵。
硅片一般都是通过相应的硅碇进行切片而成,由于在切割时,应用大量的切削液,润滑液等化学试剂,因此硅片在切割后,在其本身会存留有大量的化学污渍,此类污渍附着在加工成型后的硅片表面,会影响硅片本身性能,因此必须进行相应的清洗,硅片清洗相对于普通材料清洗不同,如果清洗不当,很容易将硅片表面划伤或者磕伤,因此超声波清洗时相对较为温和的清洗方法,但是现有的技术中,利用超声波技术进行清洗的清洗剂一般都是普通的清洗试剂,这种试剂在进行使用时,清洗的效果并不明显,并且清洗后也会有部分附着在硅片表面,还会对硅片造成损伤,造成二次污染等技术问题。
发明内容:
本发明所要解决的技术问题在于提供一种配方合理,清洗效果显著的用于硅片清洗的酸性超声波清洗剂。
本发明所要解决的技术问题采用以下技术方案来实现:
一种用于硅片清洗的酸性超声波清洗剂,其特征在于,由以下重量份的原料制成:
丙醇80-86份、苯酚15-25份、羧甲基纤维素钠2-4份、椰油酸6-8份、胶体粒子15-25份、烷基磺酸钠2-4份、焦磷酸钾6-8份、滑石粉15-25份、醋酸20-30份、柠檬酸6-8份、葡糖酸洗必太3-5份、葡庚糖酸钠2-4份、去离子水850-860份。
上述原料优选分量为:
丙醇83份、苯酚20份、羧甲基纤维素钠3份、椰油酸7份、胶体粒子20份、烷基磺酸钠3份、焦磷酸钾7份、滑石粉20份、醋酸25份、柠檬酸7份、葡糖酸洗必太4份、葡庚糖酸钠3份、去离子水855份。
上述原料中胶体粒子由硅藻土、氧化硅、白土、膨润土中意任意一种或几种复配而成,胶体粒子起研磨和吸附作用,达到洗净的目的。
上述清洗剂的制备方法为:
1)将上述原料中丙醇、苯酚、羧甲基纤维素钠、椰油酸、烷基磺酸钠和焦磷酸钾溶于原料中的去离子水中,高速搅拌直至各物料混合均匀;
2)将原料中的胶体粒子预先研磨至颗粒细度为20-22um后,与步骤1中的原料进行合并混合,并搅拌直至混合均匀;
3)将原料中的剩余原料预先采用放入搅拌罐中,并加热至35-40℃,然后开启搅拌,搅拌均匀后,与步骤2中的原料混合,控制转速2500-2600r/min,高速搅拌35-45min后,出料,即可得到。
本发明的有益效果是:本发明制备方法简单,配方合理,制备的清洗剂,配合超声波清洗技术,能高效去除附着硅片上的各种污垢,效果良好,不会产生残留,无污染,清洗效果显著,原料易得,成本低下。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
称取:丙醇80kg、苯酚15kg、羧甲基纤维素钠2kg、椰油酸6kg、胶体粒子15kg、烷基磺酸钠2kg、焦磷酸钾6kg、滑石粉15kg、醋酸20kg、柠檬酸6kg、葡糖酸洗必太3kg、葡庚糖酸钠2kg、去离子水850kg。
实施例2
称取:丙醇83kg、苯酚20kg、羧甲基纤维素钠3kg、椰油酸7kg、胶体粒子20kg、烷基磺酸钠3kg、焦磷酸钾7kg、滑石粉20kg、醋酸25kg、柠檬酸7kg、葡糖酸洗必太4kg、葡庚糖酸钠3kg、去离子水855kg。
制备上述实施例1或2的方法为:
1)将上述原料中丙醇、苯酚、羧甲基纤维素钠、椰油酸、烷基磺酸钠和焦磷酸钾溶于原料中的去离子水中,高速搅拌直至各物料混合均匀;
2)将原料中的胶体粒子预先研磨至颗粒细度为20-22um后,与步骤1中的原料进行合并混合,并搅拌直至混合均匀;
3)将原料中的剩余原料预先采用放入搅拌罐中,并加热至35-40℃,然后开启搅拌,搅拌均匀后,与步骤2中的原料混合,控制转速2500-2600r/min,高速搅拌35-45min后,出料,即可得到。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (4)

1.一种用于硅片清洗的酸性超声波清洗剂,其特征在于,由以下重量份的原料制成:
丙醇80-86份、苯酚15-25份、羧甲基纤维素钠2-4份、椰油酸6-8份、胶体粒子15-25份、烷基磺酸钠2-4份、焦磷酸钾6-8份、滑石粉15-25份、醋酸20-30份、柠檬酸6-8份、葡糖酸洗必太3-5份、葡庚糖酸钠2-4份、去离子水850-860份。
2.根据权利要求1所述的一种用于硅片清洗的酸性超声波清洗剂,其特征在于,各原料的优选分量为:丙醇83份、苯酚20份、羧甲基纤维素钠3份、椰油酸7份、胶体粒子20份、烷基磺酸钠3份、焦磷酸钾7份、滑石粉20份、醋酸25份、柠檬酸7份、葡糖酸洗必太4份、葡庚糖酸钠3份、去离子水855份。
3.根据权利要求1所述的一种用于硅片清洗的酸性超声波清洗剂,其特征在于:上述原料中胶体粒子由硅藻土、氧化硅、白土、膨润土中意任意一种或几种复配而成。
4.制备上述权利要求1或2的方法,其特征在于,包括以下制备步骤:
1)将上述原料中丙醇、苯酚、羧甲基纤维素钠、椰油酸、烷基磺酸钠和焦磷酸钾溶于原料中的去离子水中,高速搅拌直至各物料混合均匀;
2)将原料中的胶体粒子预先研磨至颗粒细度为20-22um后,与步骤1中的原料进行合并混合,并搅拌直至混合均匀;
3)将原料中的剩余原料预先采用放入搅拌罐中,并加热至35-40℃,然后开启搅拌,搅拌均匀后,与步骤2中的原料混合,控制转速2500-2600r/min,高速搅拌35-45min后,出料,即可得到。
CN201610714671.3A 2016-08-24 2016-08-24 一种用于硅片清洗的酸性超声波清洗剂 Pending CN106336953A (zh)

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CN107245389A (zh) * 2017-07-17 2017-10-13 苏州龙腾万里化工科技有限公司 一种环保锡膏清洗剂
CN111647896A (zh) * 2020-06-17 2020-09-11 华洁化工(新丰)有限公司 强力除油污剂及其制备方法
CN112745990A (zh) * 2019-10-30 2021-05-04 洛阳阿特斯光伏科技有限公司 一种无磷双组份清洗剂及其制备方法和应用

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CN103525573A (zh) * 2013-10-15 2014-01-22 上海尤希路化学工业有限公司 高性能光伏硅片专用清洗液
CN104498219A (zh) * 2014-12-31 2015-04-08 镇江市港南电子有限公司 一种太阳能硅片的除锈剂配方
CN104862093A (zh) * 2015-04-28 2015-08-26 苏州永创达电子有限公司 一种酸性超声波清洗剂

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CN112745990A (zh) * 2019-10-30 2021-05-04 洛阳阿特斯光伏科技有限公司 一种无磷双组份清洗剂及其制备方法和应用
CN112745990B (zh) * 2019-10-30 2022-06-03 洛阳阿特斯光伏科技有限公司 一种无磷双组份清洗剂及其制备方法和应用
CN111647896A (zh) * 2020-06-17 2020-09-11 华洁化工(新丰)有限公司 强力除油污剂及其制备方法

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