Name: hybrid printing for the fabrication of smart sensors
Uploaded: 2019-01-31T13:00:00
Description: Watch this Scientific Journal Video about Hybrid Printing for the Fabrication of Smart Sensors at JoVE.com

这项工作得到了 comet k1 总成奥地利智能系统集成研究中心的支持。comet 优秀技术能力中心 (该计划) 由 bmvit、bmwfw 以及联邦卡林西亚省和施蒂里亚省提供支持。

注意: 在使用经过深思熟虑的油墨和粘合剂之前, 请参考相关的材料安全数据表 (msds)。所使用的纳米颗粒油墨和粘合剂可能有毒或致癌, 取决于填料。在进行喷墨打印或样品制备时, 请使用所有适当的安全实践, 并确保佩戴适当的个人防护设备 (安全眼镜、手套、实验室外套、全长裤子、闭脚鞋)。
注: 除步骤 6.3-6.6 和步骤 9.2-9.5 之外, 任何步骤后都可以暂停该协议。
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演示了一种在三维印刷基板和铝箔上制造多层传感器结构的方法。am 金属以及陶瓷和丙烯酸酯型和箔基板被证明适用于多层喷墨打印, 因为基板与不同层之间的附着力是足够的, 以及各自的导电性或绝缘能力。这可以通过在绝缘材料上印刷导电结构的层来显示。此外, 所有层的打印和固化过程都成功地执行了, 而不会相互损害。
本研究提出的制造策略对不同材料和表面性能的相...

添加剂制造 (am) 是标准化的一个过程, 其中材料连接, 以使对象从3d 模型数据。这通常是逐层完成的, 因此与半导体制造等减法制造技术形成鲜明对比。同义词包括3d 打印、添加剂制造、添加剂工艺、添加剂技术、添加剂层制造、层制造和自由成型制造。这些同义词是由美国测试和材料学会 (astm)1 的标准化复制的, 以提供一个独特的定义。在文献中, 3d 打印被称为打印对象的厚度在厘米到米 2范围内的过程。
更常见的工艺, 如立体平版印刷3, 可以打印聚合物, 但金属的3d 印刷也已在商业上可用。金属的 am 被应用于多个领域, 如汽车、航空航天4和医疗5个领域。航空航天结构的一个优势是可以通过简单的结构更改 (例如, 通过使用蜂窝设计) 打印较轻的设备。因此, 可以使用机械强度更大的材料, 否则会增加大量重量 (例如钛而不是铝)6。
虽然聚合物的3d 打印已经很成熟, 但金属三维印刷仍然是一个充满活力的研究课题, 并为金属结构的三维印刷开发了各种工艺。基本上, 现有的方法可以组合成4组 7,8, 即1) 使用激光或电子束在一个线进过程中包覆, 2) 烧结系统使用激光或电子束, 3) 选择性熔融粉末使用激光或电子束 (粉末床融合) 和 4) 粘合剂喷射过程, 其中喷墨打印头通常在粉末基板上移动并分配粘结剂。
根据工艺的不同, 各自制造的样品将表现出不同的表面和结构特性7。在进一步努力使印刷部件功能化的过程中, 必须考虑这些不同的特性 (例如, 在其表面上制造传感器)。
与3d 打印不同的是, 实现这种功能化的打印过程 (例如, 屏幕和喷墨打印) 只覆盖有限的对象高度, 从小于 100 nm 9 到几个微米,因此, 通常也被称为2.5 d 打印. 或者, 还提出了基于激光的高分辨率图案解决方案10,11。由 ko12对纳米粒子的印刷工艺、热依赖性熔体温度及其应用进行了全面的综述。
尽管丝网印刷在文献13、14 中得到了广泛的确立, 但喷墨打印提供了更好的升级能力, 同时提高了打印较小特征尺寸的分辨率。除此之外, 它是一种数字、非接触式打印方法, 可在三维上灵活沉积功能材料。因此, 我们的工作重点是喷墨打印。
喷墨打印技术已经应用于金属 (银、金、铂等) 传感电极的制造。应用领域包括温度测量15、16、压力和应变传感17、18、19和生物传感20、21以及气体或蒸汽分析22,23,24。这种印刷结构的固化在有限的高度延伸可以完成使用各种技术, 基于热25, 微波26, 电气 27, 激光28,和光子29的原则。
用于喷墨打印结构的光子固化使研究人员能够在具有低温电阻的基板上使用高能量、可固化的导电油墨。利用这种情况, 2.5 d 和3d 打印工艺的结合可用于在智能包装30、31、32 和智能传感领域制造高度灵活的原型。
3d 打印金属基板的导电性是航空航天部门以及医疗部门所感兴趣的。它不仅提高了某些部件的机械稳定性, 而且有利于近场和电容传感。三维打印的金属外壳为传感器的前端提供了额外的屏蔽保护, 因为它可以电连接。
其目的是使用 am 技术制造设备。这些器件应在所使用的测量中提供足够高的分辨率 (通常在微观或纳米尺度上), 同时应满足可靠性和质量方面的高标准。
事实表明, am 技术为用户提供了足够的灵活性, 可以制造出优化的设计 33,34, 从而提高了整体测量质量。此外, 聚合物与单层喷墨打印的结合已在以往的研究第35,36,37,38中提出。
在这项工作中, 扩展了现有的研究, 并提供了一个关于 am 基板的物理性能, 重点是金属, 以及它们与多层喷墨打印和光子固化的兼容性的综述。补充图 1提供了一个典型的多层线圈设计。研究结果为 am 金属基板上多层传感器结构的喷墨打印提供了策略。

<table>
	<tbody>
		<tr>
			<td>PiXDRO LP 50</td>
			<td>Meyer Burger AG</td>
			<td></td>
			<td>Inkjet-Printer with dual-head assembly.</td>
		</tr>
		<tr>
			<td>SM-128 Spectra S-class</td>
			<td>Fujifilm Dimatix</td>
			<td></td>
			<td>Printheads with nozzle diameter of 50 &#181;m, 50 pL calibrated dropsize and 800 dpi maximum resolution.</td>
		</tr>
		<tr>
			<td>DMC-11610/DMC-11601</td>
			<td>Fujifilm Dimatix</td>
			<td></td>
			<td>Disposable printheads with nozzle diameter 21.5 &#181;m, 1 or 10 pL calibrated dropsize</td>
		</tr>
		<tr>
			<td>Sycris I50DM-119</td>
			<td>PV Nanocell</td>
			<td></td>
			<td>Conductive silver nanoparticle ink with 50 wt.% silver loading, with an average particle size of 120 nm, in triethylene glycol monomethyl ether.</td>
		</tr>
		<tr>
			<td>Solsys EMD6200</td>
			<td>SunChemical</td>
			<td></td>
			<td>Insulating, low-k dielectric ink which is a mixture of acrylate-type monomers. Viscosity is 7-9 cps.</td>
		</tr>
		<tr>
			<td>Dycotec DM-IN-7002-I</td>
			<td>Dycotec</td>
			<td></td>
			<td>UV curable insulator, Surface Tension: 37.4 mN/m</td>
		</tr>
		<tr>
			<td>Dycotec DM-IN-7003C-I</td>
			<td>Dycotec</td>
			<td></td>
			<td>UV curable insulator, Surface Tension: 29.7 mN/m</td>
		</tr>
		<tr>
			<td>Dycotec DM-IN-7003-I</td>
			<td>Dycotec</td>
			<td></td>
			<td>UV curable insulator, Surface Tension: 31.4 mN/m</td>
		</tr>
		<tr>
			<td>Dycotec DM-IN-7004-I</td>
			<td>Dycotec</td>
			<td></td>
			<td>UV curable insulator, Surface Tension: 27.9 mN/m</td>
		</tr>
		<tr>
			<td>Pulseforge 1200</td>
			<td>Novacentrix</td>
			<td></td>
			<td>Photonic curing/sintering equipment.</td>
		</tr>
		<tr>
			<td>DektatkXT</td>
			<td>Bruker</td>
			<td></td>
			<td>Stylus Profiler with stylus tip of 12.5 &#181;m diameter and constant force of 4 mg.</td>
		</tr>
		<tr>
			<td>C4S</td>
			<td>Cascade Microtech</td>
			<td></td>
			<td>Four-point-probe measurement head.</td>
		</tr>
		<tr>
			<td>2000</td>
			<td>Keithley</td>
			<td></td>
			<td>Multimeter to evaluate the measurements using the four-point-probe.</td>
		</tr>
		<tr>
			<td>Helios NanoLab600i</td>
			<td>FEI</td>
			<td></td>
			<td>Focused Ion Beam analysis station which provides high-energy gallium ion milling.</td>
		</tr>
		<tr>
			<td>SeeSystem</td>
			<td>Advex Instruments</td>
			<td></td>
			<td>Water contact angle measurement device.</td>
		</tr>
		<tr>
			<td>Projet 3500 HDMax</td>
			<td>3D Systems</td>
			<td></td>
			<td>Professional high-resolution polymer 3D-printer. See also (accessed Sep. 2018): https://www.3dsystems.com/sites/default/files/projet_3500_plastic_0115_usen_web.pdf</td>
		</tr>
		<tr>
			<td>Polytec PU 1000</td>
			<td>Polytec PT</td>
			<td></td>
			<td>Electrically conductive adhesive based on Polyurethane, available</td>
		</tr>
		<tr>
			<td>Microdispenser</td>
			<td>Musashi</td>
			<td></td>
			<td>Needle for microdispensing.</td>
		</tr>
		<tr>
			<td>Micro-assembly station</td>
			<td>Finetech</td>
			<td></td>
			<td>Equipment for assembly of, e.g., printed circuit boards (PCBs) and placing of chemicals (e.g. solder) and SMD parts.</td>
		</tr>
	</tbody>
</table>

hybrid printing for the fabrication of smart sensors

提出了一种将加法制造的基板或箔与多层喷墨打印相结合的方法, 用于传感器设备的制造。首先, 制备了三种基材 (丙烯酸酯、陶瓷和铜)。为了确定这些基板的材料特性, 进行了轮廓计、接触角、扫描电子显微镜 (sem) 和聚焦离子束 (fib) 测量。因此, 通过落差尺寸测试, 可以找到每个基材的可实现的打印分辨率和合适的落差体积。然后, 将绝缘油墨和导电油墨层交替喷墨打印, 以制造目标传感器结构。每次打印步骤完成后, 可通过光子固化对各层进行单独处理。根据印刷油墨以及相应基材的表面性能, 适用于每一层固化的参数。为了确定所产生的电导率并确定印刷表面的质量, 进行了四点探头和轮廓计测量。最后, 展示了这种全打印传感器系统的测量设置和结果, 以证明可实现的质量。

从图 1所示的扫描电镜图像中, 可以得出有关各个基板上的可打印性的结论。由于表面粗糙度的不同范围, 刻度条是不同的。在图1a 中, 显示了铜基板的表面, 这是迄今为止最平滑的。另一方面, 图 1c显示了由于孔隙率高和接触角不稳定而无法使用喷墨打印的钢基板 (另见表 2)。在...

Watch this Scientific Journal Video about Hybrid Printing for the Fabrication of Smart Sensors at JoVE.com

Hybrid Printing for the Fabrication of Smart Sensors

用于智能传感器制造的混合打印

在这里, 我们提出了一个协议, 用于制造喷墨打印多层传感器结构的添加剂制造基板和箔。

A method to combine additively manufactured substrates or foils and multilayer inkjet printing for the fabrication of sensor devices is presented. First, ...

我们专注于 3D 打印基板和喷墨打印的结合，这是需要生动的研究。我们相信，它们的组合可以在协作机器人的自动化生产线中实现完整和正常的审查系统概念。因此，这种技术的主要优点是它的使用。虽然它仍然确保获得的测量的高质量。与远程采用系统原型一起收集。将 3D 和喷墨打印相结合时实现功能化。考虑基板属性以及单个层的油墨属性非常重要。此外，固化剂量取决于两者的组合。利用基于光刻的陶瓷制造技术制造陶瓷基材。要在非导电基材上制造互连，请将低温、可固化导电胶中，将时间压力微分配器安装在微型装配站上，放入印刷零件的适当通孔中。使制造的互连在摄氏二十三度及环境压力下干燥十分钟。在准备喷墨打印系统并检查表面属性后，打印能力如文本协议所述。使用胶带将基板固定在基材桌子上，并适当标记其位置。通过编辑打印机软件界面中打印头的属性，调整软件界面设置中的喷嘴和打印参数。使用打印机软件界面中的"去放置视图位置"选项将打印头移动到下降视图位置，并观察墨迹的喷射。如有必要，调整打印参数以优化喷射。选择喷射定义良好且均匀的墨水滴的喷嘴进行打印。在打印机首选项中输入所选喷嘴的编号。执行跌落尺寸测试以确定基板上一个打印滴的大小，以便使用已知的打印机配置打印放置图案。使用校准的显微镜或打印机内置的摄像机系统确定已实现的跌落尺寸。确保随后使用的打印分辨率适用于观察到的油墨润湿，以制造均匀和封闭的表面。使用用于第一个设备层的墨迹层将多个结构打印到虚拟基材上。使用光子固化工艺对金属基材上的绝缘油墨进行检测。打开包含基板台的光子固化设备的托盘。将样品移动到光子固化设备的基板表，并相应地进行固定。使用表主轴调整设备基板表的高度，将样品移动到固化设备的对焦平面。关闭托盘，按照供应商对印刷材料和设备软件界面的建议调整固化轮廓，然后按下启动按钮。调整喷嘴和打印参数，如文本协议中所述，然后执行打印。重复打印一层油墨，直到打印的均匀性令人满意。使用校准显微镜控制打印层的均匀性。或者使用打印机的内置摄像头系统。将打印机的相机移动到打印位置，并观察打印机软件界面中打印的质量。对于陶瓷基材上的银墨水，在烤箱中使用热固化。按照墨水的建议。为了固化印刷染料电墨，使用具有200伏的电量电压和1毫秒脉冲的光子固化设备，以1赫兹的频率重复脉冲8次。执行测高仪测量以确定打印层的粗糙度和厚度。将样品放在测光仪的基板桌子上。如果未磨练，请使用软件中相应的按钮磨练测量头。选择需要映射的分辨率和面积。将测量头放在起始位置并启动测量。完成测量后，检查结果的一致性，并保存数据。调整打印机和固化参数后，用于文本协议中描述的后续图层。将碎率固定到先前标记的位置的基材桌子上。调整喷嘴和打印参数，如上一样。选择适当的参考点以打印图案，并确保打印的图案彼此对齐，以确保设备随后具有适当的功能。以适当的分辨率和大小加载相应的 SVG 文件。执行打印。重复一层油墨的皮因丁，直到打印的均匀性令人满意。在显微镜下控制打印层的均匀性。在这里，使用打印机的内置摄像头系统。仅使用光子固化来固化此层。对于绝缘层或绝缘体上的导电层，使用事先确定的参数。固化后，控制打印层的电位和结构属性。要确定导电层的电导率范围是否可接受，请使用多米器。确定 3D 打印基板的表面质量。完成扫描电子显微镜分析。显示铜基板的表面，这是迄今为止最光滑的。相反，由于孔隙度高和接触角不稳定，钢作为基材不能用于喷墨印刷。此外，图还显示青铜基板和钛样品表面的 SEM 图像。铝基陶瓷基材上的导电道具有良好的表面均匀性。这里可视化的蓝色曲线的平滑度。此外，失去结构完整性的表面可以通过高度剖面中的大梯度来识别。这些测量结果使用使用电容传感公的演示器收集。在这里，曲线的平滑性说明了尽管印刷过程可能造成结构缺陷，但可实现的高质量。最关键的步骤是确保足够的同质性，并控制印刷结构的表面属性。这些指标是后续步骤的关键扶持因素。3D 打印基板和喷墨打印作为功能化手段的结合，对于未来机器人设备和自动化生产的发展具有重要的启动作用。这些技术使可适应的传感器系统能够制造，用于改装和符合要求的系统。这被认为是协作机器人的未来。

Research

JoVE Journal

Engineering

Fabrication of VB2/Air Cells for Electrochemical Testing

Fabrication of VB2/Air Cells for Electrochemical Testing

VB制作<sub&gt; 2</sub&gt; /空气电池电化学测试

A technique to investigate the properties and performance of new multi-electron metal/air battery systems is proposed and presented. A method for ...

科研

工程学

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer

使用超声波润滑实验一压电辅助摩擦试验机和光学轮廓

Friction and wear are detrimental to engineered systems. Ultrasonic lubrication is achieved when the interface between two sliding surfaces is vibrated at ...

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

散装异质结太阳能电池的印刷和制作<em&gt;原位</em&gt;形态特征

Polymer-based materials hold promise as low-cost, flexible efficient photovoltaic devices. Most laboratory efforts to achieve high performance devices ...

Nanostructured Ag-zeolite Composites as Luminescence-based Humidity Sensors

纳米银沸石复合材料作为基于发光的湿度传感器

Small silver clusters confined inside zeolite matrices have recently emerged as a novel type of highly luminescent materials. Their emission has high ...

Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

可缩放邮票印刷及不堪砌面的制作

Hemiwicking is a process where a fluid wets a patterned surface beyond its normal wetting length due to a combination of capillary action and imbibition. ...

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

使用基于检测器线圈的脉冲涡流传感器量化导电铁磁性材料的相对厚度

Thickness quantification of conductive ferromagnetic materials by means of non-destructive evaluation (NDE) is a crucial component of structural health ...

Multimodal 3D Printing of Phantoms to Simulate Biological Tissue

幻影的多模态3D打印模拟生物组织

Biomedical optical imaging is playing an important role in diagnosis and treatment of various diseases. However, the accuracy and the reproducibility of ...

Fabrication of Compressed Hosiery and Measurement of its Pressure Characteristic Exerted on the Lower Limbs

压缩袜子的制造及其下肢压力特性测量

This article reports the pressure characteristic measurement of compressed hosiery via direct and indirect methods. In the direct method, an interface ...

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

碳基离子机电活性软执行器的制造

Ionic electromechanically active capacitive laminates are a type of smart material that move in response to electrical stimulation. Due to the soft, ...

3D Printing - Evaluating Particle Emissions of a 3D Printing Pen

3D 打印 - 评估 3D 打印笔的粒子排放

Three-dimensional (3D) printing as a type of additive manufacturing shows continuing increase in application and consumer popularity. The fused filament ...