CN114635114A - 一种改善玻璃基金属铟膜结合力的方法 - Google Patents

一种改善玻璃基金属铟膜结合力的方法 Download PDF

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CN114635114A
CN114635114A CN202210235685.2A CN202210235685A CN114635114A CN 114635114 A CN114635114 A CN 114635114A CN 202210235685 A CN202210235685 A CN 202210235685A CN 114635114 A CN114635114 A CN 114635114A
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汤惠淋
宋世金
朱刘
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Vital Thin Film Materials Guangdong Co Ltd
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Abstract

本发明属于功能薄膜材料及器件领域,公开了一种改善玻璃基金属铟膜结合力的方法,包括如下步骤:安装In靶材;安装Al靶材或Si靶材;在清洗后的衬底上,射频磁控溅射生长Al2O3薄膜或SiO2薄膜;在Al2O3薄膜或SiO2薄膜上,直流磁控溅射生长金属铟薄膜。本发明的方法在直流磁控溅射沉积金属铟薄膜的过程中,创造性的通过在玻璃衬底与金属铟薄膜之间增加过渡层,能有效调节基底和铟薄膜之间的晶格失配,减少界面之间的缺陷,改善铟薄膜与基底的结合力,从而获得符合焊接需求的薄膜。

Description

一种改善玻璃基金属铟膜结合力的方法
技术领域
本发明属于功能薄膜材料及器件领域,更具体的,涉及一种改善玻璃基金属铟膜结合力的方法。
背景技术
金属铟具有延展性好,可塑性强,熔点低,沸点高,低电阻,抗腐蚀等优良特性,且具有较好的光渗透性和导电性,被广泛应用于宇航、无线电和电子工业、医疗、国防、高新技术、能源等领域。
由于铟的熔点较低,延展性好,常用作焊接材料。采用直流磁控溅射生长金属铟薄膜,纳米级的金属铟薄膜具有良好的附着力,但厚度较薄不符合焊接需求,微米级金属铟薄膜由于其厚度较厚,易形成位错、孔隙等,造成薄膜附着力下降。
所以,目前溅射工艺下,满足薄膜具有符合焊接需求性能的情况下,同时使得溅射获得的薄膜具有较佳的附着力,使其不易脱落这一问题仍亟待攻克。
发明内容
针对现有技术中存在的问题,本发明的目的在于提供一种改善玻璃基金属铟膜结合力的方法,该方法在玻璃衬底与金属铟薄膜之间增加过渡层,能够有效地在直流磁控溅射沉积微米级金属铟膜的过程中,调节基底和铟薄膜之间的晶格失配、减少界面之间的缺陷等,改善了铟薄膜与基底的结合力,获得符合焊接需求的薄膜。
为实现本发明目的,具体技术方案如下:
一种改善玻璃基金属铟膜结合力的方法,步骤包括:
S1:安装In靶材;安装Al靶材或Si靶材;
S2:在清洗后的衬底上,射频磁控溅射生长Al2O3薄膜或SiO2薄膜;
S3:在Al2O3薄膜或SiO2薄膜上,直流磁控溅射生长金属铟薄膜。
优选地,步骤S1中,所述In靶材的纯度≥99.97%,密度≥7.31g/cm³。
优选地,步骤S1中,所述Al靶材的纯度≥99.97%,密度≥2.67g/cm³。
优选地,步骤S1中,所述Si靶材的纯度≥99.97%,密度≥2.33g/cm³。
优选地,步骤S2中,所述衬底选用无碱超薄玻璃;进一步优选无碱超薄玻璃中,碱元素含量≤0.05wt%,室温热膨胀系≤35.5×10-7/K,厚度为0.2~0.6mm。
优选地,步骤S2中,所述衬底清洗步骤包括:
S2-1:丙酮超声清洗;
S2-2:无水乙醇超声清洗;
S2-3:去离子水超声清洗;
S2-4:高纯氮气吹干。
进一步优选地,步骤S2中,所述衬底清洗步骤包括:
S2-1:丙酮超声清洗10分钟;
S2-2:无水乙醇超声清洗10分钟;
S2-3:去离子水超声清洗10分钟;
S2-4:高纯氮气吹干。
优选地,步骤S2中,所述射频磁控溅射生长Al2O3薄膜或SiO2薄膜的工艺为:
靶材与衬底中心距离为6~10cm;
靶材溅射功率密度为0.5~1.5W/cm2
氩氧流量比为5:1~8:1;
溅射压力为0.4~0.6Pa;
生长温度为25~32℃;
薄膜厚度为20~50nm。
优选地,步骤S3中,所述直流磁控溅射生长金属铟薄膜的工艺为:
靶材与衬底中心距离为6~10cm;
靶材溅射功率密度为0.5~2.0W/cm2
溅射压力为0.2~0.8Pa;
生长温度为25~32℃;
薄膜厚度为1000~2000nm。
相对现有技术,本发明的有益效果在于:
本发明的改善玻璃基金属铟膜结合力的方法,在直流磁控溅射沉积金属铟薄膜的过程中,创造性的通过在玻璃衬底与金属铟薄膜之间增加过渡层,有效调节基底和铟薄膜之间的晶格失配、减少界面之间的缺陷等,改善铟薄膜与基底的结合力,获得符合焊接需求的薄膜。
附图说明
图1为本发明改善玻璃基金属铟膜结合力的方法中百格测试的现象以及等级标准说明。
具体实施方式
为了便于理解本发明,下文将结合说明书附图和较佳的实施例对本发明作更全面、细致地描述,但本发明的保护范围并不限于以下具体的实施例。
除非另有定义,下文中所使用的所有专业术语与本领域技术人员通常理解的含义相同。本文中所使用的专业术语只是为了描述具体实施例的目的,并不旨在限制本发明的保护范围。
除非另有特别说明,本发明中用到的各种原材料、试剂、仪器和设备等均可通过市场购买得到或者可通过现有方法制备得到。
实施例1
本实施例公开了一种改善玻璃基金属铟膜结合力的方法,具体包括如下步骤
S1:阴极靶位上安装金属In靶材,靶材纯度≥99.97%,靶材密度≥7.31g/cm³;阳极靶位上安装金属Al靶材,靶材纯度≥99.97%,密度≥2.67g/cm³。
S2:衬底选用无碱超薄玻璃,碱元素含量0.05wt%,室温热膨胀系35.5×10-7/K,厚度0.4mm,并依次在丙酮、无水乙醇和去离子水超声清洗10分钟,之后用高纯氮气吹干;在清洗后的衬底上,采用射频磁控溅射生长Al2O3薄膜,Al靶材与衬底中心距离为7cm,靶材溅射功率密度为1.0W/cm2,氩氧流量比为8:1,溅射压力为0.4Pa,生长温度为25℃,薄膜厚度为50nm。
S3:在Al2O3薄膜上,采用直流磁控溅射生长金属铟薄膜,In靶材与衬底中心距离为7cm,靶材溅射功率密度为0.78W/cm2,溅射压力为0.4Pa,生长温度为25℃,薄膜厚度为1000nm。
实施例2
本实施例公开了一种改善玻璃基金属铟膜结合力的方法,具体包括如下步骤:
S1:阴极靶位上安装金属In靶材,靶材纯度≥99.97%,靶材密度≥7.31g/cm³;阳极靶位上安装金属Al靶材,靶材纯度≥99.97%,密度≥2.67g/cm³。
S2:衬底选用无碱超薄玻璃,碱元素含量0.05wt%,室温热膨胀系35.5×10-7/K,厚度0.4mm,并依次在丙酮、无水乙醇和去离子水超声清洗10分钟,之后用高纯氮气吹干;在清洗后的衬底上,采用射频磁控溅射生长Al2O3薄膜,靶材与衬底中心距离为7cm,靶材溅射功率密度为1.5W/cm2,氩氧流量比为5:1,溅射压力为0.6Pa,生长温度为32℃,薄膜厚度为20nm。
S3:在Al2O3薄膜上,采用直流磁控溅射生长金属铟薄膜,靶材与衬底中心距离为7cm,靶材溅射功率密度为2.0W/cm2,溅射压力为0.8Pa,生长温度为32℃,薄膜厚度为2000nm。
对比例1
本对比例公开了一种改善玻璃基金属铟膜结合力的方法,具体包括如下步骤:
S1:阴极靶位上安装金属In靶材,靶材纯度≥99.97%,靶材密度≥7.31g/cm³;阳极靶位上安装金属Al靶材,靶材纯度≥99.97%,密度≥2.67g/cm³。
S2:衬底选用无碱超薄玻璃,碱元素含量0.05wt%,室温热膨胀系35.5×10-7/K,厚度0.4mm,并依次在丙酮、无水乙醇和去离子水超声清洗10分钟,之后用高纯氮气吹干;在清洗后的衬底上,采用直流磁控溅射生长金属铟薄膜,靶材与衬底中心距离为7cm,靶材溅射功率密度为0.78W/cm2,溅射压力为0.4Pa,生长温度为25℃,薄膜厚度为1000nm。
对比例2
本对比例公开了一种改善玻璃基金属铟膜结合力的方法,具体包括如下步骤:
S1:阴极靶位上安装金属In靶材,靶材纯度≥99.97%,靶材密度≥7.31g/cm³;阳极靶位上安装金属Al靶材,靶材纯度≥99.97%,密度≥2.67g/cm³。
S2:衬底选用无碱超薄玻璃,碱元素含量0.05wt%,室温热膨胀系35.5×10-7/K,厚度0.4mm,并依次在丙酮、无水乙醇和去离子水超声清洗10分钟,之后用高纯氮气吹干;在清洗后的衬底上,采用射频磁控溅射生长Al2O3薄膜,靶材与衬底中心距离为7cm,靶材溅射功率密度为1.0W/cm2,氩氧流量比为8:1,溅射压力为0.4Pa,生长温度为25℃,薄膜厚度为10nm。
S3:采用直流磁控溅射生长金属铟薄膜,靶材与衬底中心距离为7cm,靶材溅射功率密度为0.78W/cm2,溅射压力为0.4Pa,生长温度为25℃,薄膜厚度为1000nm。
性能测试
针对本发明的薄膜附着力测试方法:百格测试。
使用上述测试方法对实施例1/2和对比例1/2制备的薄膜进行性能测试,结果如下表1所示。
表1薄膜性能测试结果
Figure 66479DEST_PATH_IMAGE001
参考图1和表1,从实施例1、2百格测试的结果可看出,本发明制备方法中,若在玻璃衬底与金属铟薄膜之间增加过渡层,能够有效地在直流磁控溅射沉积微米级金属铟膜的过程中,调节基底和铟薄膜之间的晶格失配、减少界面之间的缺陷等,改善了铟薄膜与基底的结合力,获得符合焊接需求的薄膜。
从对比例1、2百格测试的结果可看出,本发明制备方法中,若未增加过渡层,直接在玻璃基底上溅射铟薄膜;或者过渡层薄膜厚度太薄,获得的铟薄膜与玻璃基底结合力弱,容易脱落。
以上仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的包含范围之内。

Claims (9)

1.一种改善玻璃基金属铟膜结合力的方法,其特征在于,包括如下步骤:
S1:安装In靶材;安装Al靶材或Si靶材;
S2:在清洗后的衬底上,射频磁控溅射生长Al2O3薄膜或SiO2薄膜;
S3:在Al2O3薄膜或SiO2薄膜上,直流磁控溅射生长金属铟薄膜。
2.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S1中,所述In靶的靶材纯度≥99.97%,密度≥7.31g/cm³。
3.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S1中,所述Al靶的靶材纯度≥99.97%,密度≥2.67g/cm³。
4.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S1中,所述Si靶的靶材纯度≥99.97%,密度≥2.33g/cm³。
5.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S2中,所述衬底为无碱超薄玻璃。
6.如权利要求5所述的改善玻璃基金属铟膜结合力的方法,其特征在于,所述无碱超薄玻璃中碱元素含量≤0.05wt%,室温热膨胀系≤35.5×10-7/K,厚度0.2~0.6mm。
7.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S2中,所述衬底清洗步骤包括:
S2-1:丙酮超声清洗;
S2-2:无水乙醇超声清洗;
S2-3:去离子水超声清洗;
S2-4:高纯氮气吹干。
8.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S2中,射频磁控溅射生长Al2O3薄膜或SiO2薄膜的工艺为:
靶材与衬底中心距离为6~10cm;
靶材溅射功率密度为0.5~1.5W/cm2
氩氧流量比为5:1~8:1;
溅射压力为0.4~0.6Pa;
生长温度为25~32℃;
薄膜厚度为20~50nm。
9.如权利要求1所述的改善玻璃基金属铟膜结合力的方法,其特征在于,步骤S3中,直流磁控溅射生长金属铟薄膜的工艺为:
靶材与衬底中心距离为6~10cm;
靶材溅射功率密度为0.5~2.0W/cm2
溅射压力为0.2~0.8Pa;
生长温度为25~32℃;
薄膜厚度为1000~2000nm。
CN202210235685.2A 2022-03-11 2022-03-11 一种改善玻璃基金属铟膜结合力的方法 Pending CN114635114A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007169671A (ja) * 2005-12-19 2007-07-05 Nippon Telegr & Teleph Corp <Ntt> 白金薄膜の形成方法
CN102157575A (zh) * 2011-03-28 2011-08-17 天津师范大学 新型多层膜结构的透明导电氧化物薄膜及其制备方法
CN111218648A (zh) * 2019-10-30 2020-06-02 河南镀邦光电股份有限公司 一种超高附着力复合板材颜色膜及其镀膜工艺
CN112063985A (zh) * 2020-09-02 2020-12-11 山东司莱美克新材料科技有限公司 玻璃基材真空磁控溅射镀铜方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007169671A (ja) * 2005-12-19 2007-07-05 Nippon Telegr & Teleph Corp <Ntt> 白金薄膜の形成方法
CN102157575A (zh) * 2011-03-28 2011-08-17 天津师范大学 新型多层膜结构的透明导电氧化物薄膜及其制备方法
CN111218648A (zh) * 2019-10-30 2020-06-02 河南镀邦光电股份有限公司 一种超高附着力复合板材颜色膜及其镀膜工艺
CN112063985A (zh) * 2020-09-02 2020-12-11 山东司莱美克新材料科技有限公司 玻璃基材真空磁控溅射镀铜方法

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