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Nature Nanotechnology 10, 480 (2015) reports this DIY Atomic Force Microscope/DIY原子力顯微鏡

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Picture of Nature Nanotechnology 10, 480 (2015) reports this DIY Atomic Force Microscope/DIY原子力顯微鏡

I am pleased to share with you that the DIY AFM is reported by the latest Nature Nanotechnology 10, 480 (2015) that the DIY AFM is assembled by junior high school student and successfully measure PM 2.5 particles.

Microscopes are awesome! They help us see things that are not visible to bare eyes. Optical microscopes can only see micro scale (1/1,000 millimeter) structures. However, you can explore nano scale (1/1,000,000 millimeter) world by Atomic Force Microscopes (AFM). Yet a stock-ready AFM usually costs hundreds of thousands of dollars to buy. Thus we are providing you a solution to make your own AFM optomechanical system out of daily used parts including optical pickup unit (OPU) in a DVD player and piezo buzzers in your watch. The total cost is between 500 to 1,000 dollars (AFM controller not included). Most of the traditional AFM systems use beam deflection method for monitoring the AFM probe, the low cost educational AFM directly use an OPU for the same purpose. This low cost educational AFM is originally designed and made by Dr. En-Te Hwu, Institute of Physics, Academia Sinica, Taipei, Taiwan. Idea of using circuit boards as structure: Sebastian Buetefisch.

Traditional AFM:

DVD OPU based AFM

DVD OPU based AFM in German National Metrology Institute

顯微鏡可讓我們看到肉眼無法觀察的結構,实在是太棒了!光學顯微鏡能看到微米等級(1/1,000釐米)結構,然而原子力顯微鏡更可讓我們看到奈米(1/1,000,000 釐米)結構。一般的原子力顯微鏡動輒數萬至數十萬美元,只有研究機構可以負擔得起。我們希望透過這次介紹,告訴大家如何利用身邊的元件,包括DVD Rom的光學讀寫頭以及你手錶裡面嗶嗶叫的壓電喇叭,來製作一套自己的奈米級原子力顯微鏡的光機系統,材料價格不超過1000美元(不包含控制器)。傳統原子力顯微鏡大多使用光槓桿原理,而教育型原子力顯微鏡使用像散式光路偵測探針位移,此教育型原子力顯微鏡由台灣中央研究院物理研究所胡恩德博士設計並製作。使用電路板作結構之概念源自:Sebastian Buetefisch.

显微镜可让我们看到肉眼无法观察的结构,实在是太棒了!光学显微镜能看到微米等级(1/1,000毫米)结构,然而原子力显微镜更可让我们看到納米(1/1,000,000毫米)结构。一般的原子力显微镜动辄数万至数十万美元,只有研究机构可以负担得起。我们希望透这次介绍,告诉大家如何利用身边的元器件,包括DVD Rom的激光头以及你手表里面哔哔叫的压电喇叭,来制作一套自己的納米级原子力显微镜的的光机系统,材料价格不超过1000美元(不包含控制器。传统原子力显微镜大多使用光杠杆原理,而教育型原子力显微镜使用像散式光路侦测探针位移,此教育型原子力显微镜由台湾中央研究院物理研究所胡恩德博士设计并制作。使用电路板作结构之概念源自:Sebastian

Buetefisch.

 
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Step 1: Materials and tools 材料與工具

Picture of Materials and tools 材料與工具
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Materials for the low cost AFM are: 1.OPU disassembled from a DVD ROM. 2.Piezo speakers. 3.Signal connector. 4.Precision screws. 5.Circuit boards. The tools needed are: 1.A soldering iron 2.Solder 3.Quick-dry adhesive 4.Epoxy 5.Magnets 6.Screw driver. The consumable is AFM probes (working frequency 300 kHz).

組裝原子力顯微鏡需要材料為:1.從DVD光碟機上的讀取頭 2.壓電喇叭 3.訊號接頭 4.精密螺絲 5.磁鐵 6.電路板結構。 工具為:1.烙鐵 2.銲錫 3.瞬間膠 4.AB膠 5.螺絲起子。耗材為:原子力顯微鏡探針(工作頻率300k赫茲)。

组装原子力显微镜需要材料为:1.从DVD光驱上的激光头 2.压电喇叭 3.信号接头 4.精密螺丝 5.磁铁 6.电路板结构。 工具为:1.烙铁 2.焊锡 3.瞬间胶 4.AB胶 5.螺丝刀。耗材为:原子力显微镜探针(工作频率300k赫兹)。

Step 2: Assembling the AFM base 組裝原子力顯微鏡底座

Picture of Assembling the AFM base 組裝原子力顯微鏡底座
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Assembling AFM base 05.JPG

The optomechanical part of the AFM system is assembled by students from junior high school attached to Tsinghua University. The AFM base is structured by 4 circuit boards which are fixed by solder.

這邊由北京清華大學附屬中學的國中學生來示範,如何自己動手組裝原子力顯微鏡的光學機構系統。底座由4片電路板構成,組起來的結構件使用銲錫固定。

这边由北京清华大学附属中学的国中学生来示范,如何自己动手组装原子力显微镜的光学机构系统。底座由4片电路板构成,组起来的结构件使用焊锡固定。

Step 3: Assembling the AFM piezo scanner 組裝壓電掃描器

Picture of Assembling the AFM piezo scanner 組裝壓電掃描器
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Assembling the scanner structure and fix the structure on 4 piezo buzzers which are soldered to the base. The fifth piezo buzzer is fixed on top of the scanner structure.

掃描器由三片電路板組成,焊接掃描器結構後,並以AB膠將結構的四支腳固定在底座的四片壓電喇叭上,並將第五片壓電喇叭固定於掃描器頂端,大部分的零件皆由銲錫固定。

扫描仪由三片电路板组成,焊接扫描仪结构后,并以AB胶将结构的四支脚固定在底座的四片压电喇叭上,并将第五片压电喇叭固定于扫描仪顶端,大部分的零件皆由焊锡固定

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johnaa4 hours ago
Dear Dr. Whoand

It is great project. I would like to try to assemble one, please send me more detailed construction guide.

My email address is johnaalin@gmail.com

Thank you very much for sharing!

Dear Prof. Hwu,
This is an awesome project! I'm curious about this and would like to try it. Could you please send me schematics and programs? My email is yongguang.gao@foxmail.com

Best regards,

Yongguang Gao

Dear Prof. Hwu,

It is an amazing project, and I would like to build one in my university in Brazil. Could you, please, send me schematics and software? My e-mail is rhein@feg.unesp.br. Many thanks in advance.

Regards,

Rogerio Hein

Professor - UNESP (São Paulo State University) - Department of Materials and Technology - Guaratinguetá, SP

talaazar1727 days ago
talaazar1727 days ago
dvd33329 days ago
I would like to have the information more detailed about your work please, can you send it to me dvd.mitico333@hotmail.com
NovikovV1 month ago

Dear Prof. Hwu,

I read your article in Nanotechnology (10.1088/0957-4484/24/45/455503).This is an amazing piece of work. I would greatly appreciate if you find it possible to share the technical details that are necessary for building this system. My email is novikov84(at)ineos.ac.ru

Best regards,

Valentin Novikov

whoand (author)  NovikovV1 month ago

sure!

Can you send me schematics and program ? I would like to try it. Thanks. email is k.nourian@yahoo.com
whoand (author)  knourian20151 month ago

My student will contact you soon.

MarcosA41 month ago

Dear Prof. Hwu,

This is really awesome work! Would you be so kind as to send me detailed building plans, along with the controlling software? I would like to use your DIY AFM for educational projects linked to a Professional Master's Degree in Physics Education, aimed at public high school teachers and, perhaps, also for starting my own research in AF microscopy.

I forgot to give you my e-mail in my previous request: marcos_verissimo at id dot uff dot br

Best regards,

Marcos Verissimo Alves

Coordinator of Unit 15 of the Professional Master's Degree in Physics Education

Universidade Federal Fluminense

Volta Redonda, RJ - Brasil

whoand (author)  MarcosA41 month ago

Hi Prof. Redonda, please check your email.

AdamB241 month ago

I would love to try to build my own one of these, is it possible to get the files associated with this project sent to my email: barnett18901@gmail.com? Thanks a ton!

whoand (author)  AdamB241 month ago

My student has very detailed assembly videos, I think he will show you through your email.

ArsenioDev1 month ago

I'm curious about this, I'd love to try my hand at building one of my own for my home lab to look at decapped IC wafers. I'd greatly appreciate you sending the files for this project to Arsenio.dev@gmail.com. Thank you!

whoand (author)  ArsenioDev1 month ago

My student will contact you soon!

esalves1 month ago

Great! Can you send me schematics and program ? I would like to try it. Thanks. email is elmoalves@gmail.com.

whoand (author)  esalves1 month ago

Sure!

EmilianoM11 month ago

Puede mandar referencias? gracias: juemy@hotmail.com

whoand (author)  EmilianoM11 month ago

Finally you can leave message successfully, my student will contact you soon.

EmilianoM11 month ago
whoand (author)  EmilianoM11 month ago

?????

EmilianoM11 month ago
whoand (author)  EmilianoM11 month ago
???
siemser1 month ago

I would like to build this for use in my school summer research project. Can you send me schematics and program? email is siemsenr@uni.edu Thanks!

whoand (author)  siemser1 month ago

Done

ckyuen1 month ago

Your project is so great and I am interested in various types of microscopy. Please send me your reference and the build guide to yuenchunkwong@gmail.com. I come from HONG KONG. Thanks a lots

whoand (author)  ckyuen1 month ago

Hi ckyuen, my student told me that he reply you already.

EmilianoM11 month ago
EmilianoM11 month ago
EmilianoM11 month ago
ckyuen1 month ago

Awesome project!. I'd like to made it, could you please send me schematics and labview program? My mail is carlos.perez.fisica@gmail.com

whoand (author)  carlos-perez1 month ago

Sure!

LordWas1 month ago

I like this project very much,Could you please send me schematics and labView program to my email (aura93@o2.pl) . Thank You! :)

whoand (author)  LordWas1 month ago

Sorry that I am working for further developments. My student is will send related materials.

學禹呂1 month ago

This is a great project!

Could you please send me steps and schematics to build the AFM to my email - cocoandy123@gmail.com

Thank you for your help.Have a nice day

whoand (author)  學禹呂1 month ago

done!

xiang34202 months ago
I like this project very much,Could you please send me schematics and labView program to my email( xiang3420@163.com),thanks.
whoand (author)  xiang34202 months ago

My student is taking over this microscope related requests, he will contact you soon.

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