CN108070815A - 一种应用于电子产业腔体设备的铝熔射层的制备工艺 - Google Patents

一种应用于电子产业腔体设备的铝熔射层的制备工艺 Download PDF

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CN108070815A
CN108070815A CN201711160205.6A CN201711160205A CN108070815A CN 108070815 A CN108070815 A CN 108070815A CN 201711160205 A CN201711160205 A CN 201711160205A CN 108070815 A CN108070815 A CN 108070815A
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惠朝先
贺贤汉
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Sichuan Fullerton Tak Technology Development Co Ltd
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Abstract

本发明提供一种应用于电子产业腔体设备的铝熔射层的制备工艺,结合ARC熔射和flame熔射的工艺优缺点,配合喷砂工艺控制部件表面粗糙度均匀性,以及熔射层之间的结合力强度,达到电子产业腔体设备对结合力、particle方面的生产技术要求。

Description

一种应用于电子产业腔体设备的铝熔射层的制备工艺
技术领域
本发明属于热喷涂领域,具体涉及一种应用于电子产业腔体设备的铝熔射层的制备工艺。
背景技术
目前,国内半导体和平板显示行业发展迅速,工艺技术和制成要求越来越高,如半导体产业中的特征线宽逐步发展到28nm、14nm、7nm、3nm的制成要求,液晶平板显示方面由原来的G4.5(OLED)、G5(LCD)、G6(LCD),发展到目前的G6(OLED)、G8.5(LCD)、G10.5(LCD),其对集成电路的制作过程中腔体设备环境要求也越来越高。
现有的电子产业腔体设备,为了增大防着板(mask)、掩护板(shield)沉积膜层的能力,提高部件的使用周期,防止膜层脱离本体(peeling)现象的发生,采用喷砂和熔射的方式增加部件的表面粗糙度,根据部件不同的材质及其工艺制程要求,喷砂粗糙度Ra值一般在15 μm以内,熔射粗糙度Ra值可以达到20~30μm。现有应用于电子行业的铝熔射工艺主要有 ARC(电弧)熔射和flame(火焰)熔射两种方式。因其热喷涂原理不同,优缺点方面存在较大差异,如:ARC熔射本体结合力较好,一般可以达到30~50MPa,但因本身工艺原理缺陷,容易产生熔射灰,造成颗粒(particle)偏高问题;flame熔射相对来说结合力差,只有 10~20MPa,但因其温度均匀,热喷涂之后部件表面结构均匀,且熔射灰较少,particle问题相对容易控制。
发明内容
针对现有技术存在的问题,本发明提供一种应用于电子产业腔体设备的铝熔射层的制备工艺,结合ARC熔射和flame熔射的工艺优缺点,配合喷砂工艺控制部件表面粗糙度均匀性,以及熔射层之间的结合力强度,达到电子产业腔体设备对结合力、particle方面的生产技术要求。
本发明的技术方案是:一种应用于电子产业腔体设备的铝熔射层的制备工艺,具体步骤如下:
步骤一、选材:选取本体母材,本体母材初始粗糙度Ra≤1μm;
步骤二、本体喷砂:使喷砂后的部件表面粗糙度均匀,粗糙度Ra值范围为8~13μm;
步骤三、清洗:对步骤二中喷砂后的部件进行清洗并干燥;
步骤四、ARC熔射:采用ARC熔射在部件表面熔射一层铝熔射层,调整熔射参数使熔射层厚度为80~120μm;
步骤五、清洗:对步骤四中ARC熔射后的部件进行清洗并干燥;
步骤六、熔射层喷砂:对部件表面ARC熔射层进行喷砂,控制喷砂压力为3~5Kg/cm2,使喷砂后的样块表面结构均匀,熔射层无异常剥离,粗糙度Ra值约为13~18μm;
步骤七、清洗:对步骤六中熔射层喷砂后的部件进行清洗并干燥;
步骤八、Flame熔射:采用flame熔射在喷砂后的ARC熔射层表面熔射一层铝熔射层,调整熔射参数使flame熔射层厚度为80~120μm;
步骤九、清洗:对步骤八中Flame熔射后的部件进行清洗并干燥。
进一步的,步骤十、无尘间清洗:在1000级以上净空房中对部件进行超声波清洗和干燥。清洗更彻底。
进一步的,步骤二中本体喷砂,采用24#白刚玉砂材对部件进行喷砂,调整喷砂压力和操作手法,使喷砂后的部件表面粗糙度均匀,粗糙度Ra值范围为8~13μm。
进一步的,步骤三和步骤七中的清洗,均是对喷砂后的部件进行,采用去离子水漂洗和超声波清洗,去除部件表层残留的砂材粉尘和本体particle影响,然后使用氮气/干燥空气 (clean dry air,CDA)进行吹扫并放入烘箱干燥处理,干燥温度为150℃,时间为2h。
进一步的,步骤五和步骤九中的清洗,均是对熔射后的部件进行50bar高压水洗和超声波清洗,并进行干燥处理。目的是为了去除部件表层粘附的熔射灰和particle微粒。
进一步的,步骤六中熔射层喷砂,采用46#白刚玉砂材对部件表面ARC熔射层进行喷砂。
本发明提到的工艺技术开发基本路线是本体喷砂、ARC熔射、熔射层喷砂、flame熔射。配合其他洗净相关工艺如高压水洗、超声波清洗等实现铝熔射层结合力大于20MPa、结构均匀、particle清洗管控方便的生产目标。
附图说明
图1是ARC熔射后表面结构;
图2是Flame熔射后表面结构;
图3是叠层结构图。
具体实施方式
下面结合附图对本发明做进一步的说明。
本发明的设计思路是结合ARC熔射和flame熔射的工艺优缺点,配合洗净相关工艺要求,开发出的ARC熔射表层附着flame熔射的工艺路线。本体选材方面可以有铝、钛、不锈钢等多种选择,本发明以工业常用的镍(Ni)钛(Ti)合金为例,实施方式如下:
1.选材:选取100mm*100mm*10mm的钛合金板块为实验对象,部件表层结构均匀,初始粗糙度Ra≤1μm;
2.本体喷砂:采用24#白刚玉(WA)砂材对钛合金样块进行喷砂,调整喷砂压力和操作手法,使喷砂后的部件表面粗糙度均匀,粗糙度Ra值范围为8~13μm;
3.清洗:对喷砂后的部件进行,去离子水漂洗和超声波清洗(10inch/cm2,15min),去除部件表层残留的砂材粉尘和本体particle影响,然后使用氮气/干燥空气(clean dryair, CDA)进行吹扫并放入烘箱干燥处理,干燥温度为150℃,时间为2h;
4.ARC熔射:采用ARC熔射在样块表面熔射一层铝熔射层,调整熔射参数使熔射层厚度为80~120μm;ARC熔射后表面结构如图1所示;
5.清洗:对ARC熔射后的样块进行50bar高压水洗和超声波清洗,目的是为了去除部件表层粘附的熔射灰和particle微粒,并进行干燥处理;
6.熔射层喷砂:采用46#白刚玉(WA)砂材对样块表面ARC熔射层进行喷砂,控制喷砂压力为3~5Kg/cm2,使喷砂后的样块表面结构均匀,熔射层无异常剥离,粗糙度Ra值约为13~18μm;
7.清洗:重复3工艺步骤对喷砂处理后的ARC熔射层样块进行清洗和干燥,目的同步骤 3所述内容;
8.Flame熔射:采用flame熔射在喷砂后的ARC熔射层表面熔射一层铝熔射层,调整熔射参数使flame熔射层厚度为80~120μm;Flame熔射后表面结构如图2所示;
9.清洗:重复5工艺步骤对flame熔射后的样块进行清洗和干燥,目的同步骤5所述内容;
10.无尘间清洗:在1000级以上净空房中对部件进行超声波清洗和干燥。
最终叠层结构如图3所示,对按照以上工艺流程制作的部件进行结合力测试和表面洁净度(particle)检验。结合力测试可以采用HD-615A-S拉力测试仪进行,particle检测采用表面微粒检测仪进行,其中结合力测试结果为21.5Mpa(20~25MPa),particle检测ea≥0.3 μm为0.27/cm2(常规情况下,测量结果小于3即可满足LCD、OLED工艺生产要求,测量结果小于1即可满足半导体28nm以下工艺制程要求)。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (6)

1.一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:具体步骤如下:
步骤一、选材:选取本体母材,本体母材初始粗糙度Ra≤1μm;
步骤二、本体喷砂:使喷砂后的部件表面粗糙度均匀,粗糙度Ra值范围为8~13μm;
步骤三、清洗:对步骤二中喷砂后的部件进行清洗并干燥;
步骤四、ARC熔射:采用ARC熔射在部件表面熔射一层铝熔射层,调整熔射参数使熔射层厚度为80~120μm;
步骤五、清洗:对步骤四中ARC熔射后的部件进行清洗并干燥;
步骤六、熔射层喷砂:对部件表面ARC熔射层进行喷砂,控制喷砂压力为3~5Kg/cm2,使喷砂后的样块表面结构均匀,熔射层无异常剥离,粗糙度Ra值约为13~18μm;
步骤七、清洗:对步骤六中熔射层喷砂后的部件进行清洗并干燥;
步骤八、Flame熔射:采用flame熔射在喷砂后的ARC熔射层表面熔射一层铝熔射层,调整熔射参数使flame熔射层厚度为80~120μm;
步骤九、清洗:对步骤八中Flame熔射后的部件进行清洗并干燥。
2.根据权利要求1所述的一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:步骤十、无尘间清洗:在1000级以上净空房中对部件进行超声波清洗和干燥。
3.根据权利要求1所述的一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:步骤二中本体喷砂,采用24#白刚玉砂材对部件进行喷砂,调整喷砂压力和操作手法,使喷砂后的部件表面粗糙度均匀,粗糙度Ra值范围为8~13μm。
4.根据权利要求1所述的一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:步骤三和步骤七中的清洗,均是对喷砂后的部件进行,采用去离子水漂洗和超声波清洗,然后使用氮气/干燥空气进行吹扫并放入烘箱干燥处理,干燥温度为150℃,时间为2h。
5.根据权利要求1所述的一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:步骤五和步骤九中的清洗,均是对熔射后的部件进行50bar高压水洗和超声波清洗,并进行干燥处理。
6.根据权利要求1所述的一种应用于电子产业腔体设备的铝熔射层的制备工艺,其特征在于:步骤六中熔射层喷砂,采用46#白刚玉砂材对部件表面ARC熔射层进行喷砂。
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CN109182945A (zh) * 2018-09-20 2019-01-11 芜湖通潮精密机械股份有限公司 一种用于提高半导体腔体铝溶射层使用寿命的溶射工艺
CN112226721A (zh) * 2020-07-28 2021-01-15 安徽富乐德科技发展股份有限公司 一种应用于电子产业设备腔体的铜熔射层的制备工艺
CN114196900A (zh) * 2021-12-17 2022-03-18 富乐德科技发展(天津)有限公司 一种半导体芯片制造业不锈钢材质部件表面处理方法

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