487 7-newsletter july2013

7/29/2019 487 7-Newsletter July2013

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News aNd

ReviewsJuly 2013

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The concept o Dip-in Laser Litho-graphy (DiLL) together with ourPhotonic Proessional systems allowsan easy workow or three-dimen-sional nano- and microabrication. It isthe ideal tool or the abrication o tallstructures in the millimeter-rangeproviding a constant eature size along

the entire abrication height.

SIZES UP TO THE MILLIMETER RANGE

The DiLL process hereby uses aliquid photoresist both as an immer-sion medium and the photosensitivematerial to be structured at the sametime. This allows to circumvent thegeneral limitation o the struc-ture height to the workingdistance o the high-NA objec-

tive typically in the range o170 m.> read more on page 2

Fabrication of Macro-ObjectsPhotonic Professional GT and DiLL - a fast and precise combination

Prototype o a miniature nozzle with a diameter o one millimeter abricated or the preciseormation o liquid micro-droplets.

Publication in Optics ExpressResearchers at the University oBristol used Photonic Proessionalsystems or the abrication o probesthat can be controlled in three dimen-sions using optical tweezers, anddemonstrate their use in imaging

surace topography with nanometreprecision whilst applying ultra-lowemto-Newton scale orces.> read more on page 4

In this issue Page

Fabrication o Macro-Objects 1

Imprint 2

NanoWrite 1.7 & Perect Shape 3

Overview: Nanoscribe Sotware 3

Optically actuatedMicro-Machines 4

News Ticker 5

New Application Flyer 5

Upcoming Exhibitions 5

Contact 5

Software ReleaseNanoWrite is the graphical user inter-ace or controlling and monitoringall aspects o our Photonic Proes-sional systems. The most prominentnew eature in this release is thePerectShape exposure mode which

increases average writing speeds andsimplifes the writing process.> read more on page 3

News TickerNanoscribe expands its distribut-ing activities. Ater installations oPhotonic Proessional systems inEurope, Asia, Japan and North Americawithin the last fve years, our systemsare now also used in Israel and Russia.

Furthermore we want to introduceToshniwal Bros. (SR) Pvt., Ltd. as ournew sales partner in India.> read more on page 5

An array o micro-tools on a glass surace

beore they are transerred into a sample

cell.
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2

Imprint

News and Reviews, Issue: July 2013Editor: Martin HermatschweilerAssistant Editor: Anke WernerContributions: David Phillips(University o Bristol), Andr Radke,Soa Rodrguez, Dr. Fabian Niesler(Nanoscribe)Creation & Design: Katja ThiemePhotos: University o Bristol, A.V.B.A.,Nanoscribe

Nanoscribe GmbHCEO: Martin HermatschweilerRegistered ofce o the association:76344 Eggenstein-Leopoldshaen (DE)District court: MannheimHRB 703637, VAT-No. DE258161584Tax-No. 34415/77104

fg. 1 The novel Photonic Proessional GT system enables high-speed and best-resolutionprinting o 3D micro-objects.

ig. 2 Did you know that there are more than 30 Eiel Tower replicas around the world withdierent heights?Well, this one is deinitely unique: Our miniature Eiel Tower with a total height o 1 mmwas 3D printed using the Photonic Proessional GT combined with DiLL technology.

continued rom page 1 The bene-fts o DiLL can also be used in com-

bination with the new PhotonicProessional GT (fg. 1) systems toprovide a ast and easy 3D printingprocess or the rapid prototyping olarge structures within reasonabletime. The miniature Eiel Tower(fg. 2) serves as a perect demon-stration o the superior resolutionprovided by the DiLL assisted 3Dprinting process. A total height oone millimeter allows to see this struc-ture with the bare eye, as the photo-

graph taken with a consumer DSLRand a macro objective documents.Only the SEM image o the verysame structure (fg. 2 (b)) revealsthe fne details and proves thehigh resolution o the process. ThePhotonic Proessional GT systemsprovide the speed-up o the printingprocess to fnish such structures inabout two hours total printing time.While there is obviously little use othis miniature model besides demon-

stration purposes, the benefts othe DiLL and GT combination providethe basis or a large range o applica-tions where sub-millimeter miniatureparts and elements with a sub-micronresolution are needed.A prototype o a miniature nozzle orthe precise ormation o liquid micro-droplets was as well abricated usingthe DiLL and GTcombination (page 1).

Fabrication of Macro-ObjectsPhotonic Professional GT and DiLL a fast and precise combination

(d)10 m(c)10 m


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3

NanoWrite is the graphical user inter-ace or controlling and monitoring all

aspects o our Photonic Proessionallaser lithography systems. In earlyJune, we released NanoWrite 1.7 to ourcustomers.

The most prominent new eaturein this upgrade is the PerectShapeexposure mode which increases aver-age writing speeds and simplifes thewriting process. During exposure, thephoto-sensitive sample is moved rela-tive to the laser ocus by a high-reso-

lution three-axis piezo stage. Due toNewtons Third Law, the inertia o themoving mass and the maximum orcethat can be generated by the piezoactors limit the minimum radius ocurvature o the motion trajectory at agiven speed.

In previous versions, NanoWrite drovethe piezo stage at constant speed andthe operator had to determine theappropriate speed or achieving sharp

corners through experimentation. InNanoWrite 1.7, PerectShape calculatesthe optimum velocity profle based ona physical model o the piezo stage.During exposure, it uses lower speedsto traverse corners and higher speedsor straight segments o the trajectory.In addition, NanoWrite dynamicallyadapts the laser power to the currentspeed in order to maintain a constantwidth o exposed lines.

Ater PerectShape has completed itsully automated calibration routine,the system operator only has to setthe laser power or a certain reer-ence speed. Selecting one o the pre-defned PerectShape confgurationsthen determines the inevitable trade-o between speed and accuracy. It isno longer necessary to determine theappropriate scanning speed or a giventrajectory by experimentation. There-ore, PerectShape simplifes the whole

writing process and in many cases sig-nifcantly reduces the writing time, allvia a sotware-only upgrade and nourther investments in hardware.

NanoWrite 1.7PerfectShape increases writing speed

Besides the new PerectShape imple-mentation, NanoWrite 1.7 alsoimproves the loading time or largeand complex input fles. We added

confguration options or fne-tuningthe autoocus system or speed andaccuracy. The WriteText command isnow capable o including values oGWL variables in the output, makingit much easier to properly label yourwritten structures, especially whenconducting loop-based parametersweeps. Finally, we added a one-click

NanoWrite 1.7 includes the new PerectShape eature which increases the average writingspeed and simplifes the writing process.

button or generating a comprehen-sive service report that will make iteasier or our service team to diagnoseany problems encountered during

operation o the system.Coinciding with NanoWrite 1.7, we alsoreleased DeScribe 2.0.1 with a ew bugfxes and support or the newly intro-duced GWL commands.

Our service team will be happy to assistyou with upgrading to NanoWrite 1.7and DeScribe 2.0.1.

E-mail: [email protected]

Overview: Nanoscribe-SoftwareNanoWriteNanoWrite is the easy-to-use graphical user interace orcontrolling Photonic Proessional 3D laser lithography systems.

NanoslicerNanoslicer converts STL-fles o 3D solid objects to the PhotonicProessionals native data ormat GWL.

DeScribe

DeScribe is a custom editor or the GWL fle ormat. It includesa syntax check and ast interactive 3D preview.
http://www.nanoscribe.de/mailto:service%40nanoscribe.de?subject=NanoWrite%201.7mailto:service%40nanoscribe.de?subject=NanoWrite%201.7http://www.nanoscribe.de/http://www.nanoscribe.de/


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Optically Actuated Micro-MachinesPublication of the University of Bristol

(David Phillips) Nano-scale topo-graphy can be imaged by raster scan-

ning a sharp tip over a substrate, andmeasuring its deection as it glidesover surace eatures. When imagingbiological samples in this way, it iscrucial to avoid any disruption to thesurace by minimising contact orces.

In this work [1] we use the PhotonicProessional direct laser writingsystem to abricate probes that can becontrolled in three dimensions usingoptical tweezers, and demonstrate

their use in imaging surace topogra-phy with nanometre precision whilstapplying ultra-low emto-Newtonscale orces.

The exibility o the PhotonicProessional systems allowed us to

take a rapid prototyping approach toour probe design. A variety o designswere abricated, tested and iterativelyimproved. This resulted in probes thatare equipped with cylindrical trappinghandles to ensure a low orce is exertedon the sample during imaging, andlarge spherical tracking points givingnanometre accuracy position trackingo the position o the probe. By scan-ning our probes over a test sample,also abricated with the Photonic Pro-

essional system, we demonstratedthat this technique has a spatialresolution o approximately 11 nm andapplies an average orce o only 140 N

[1] An optically actuated suracescanning probe, DB Phillips, GM Gibson,R Bowman, MJ Padgett, S Hanna, DM Car-berry, MJ Miles & S. Simpson. 2012, OpticsExpress, 20 (28), 29679.

Measurement o the surace topography o a test sample.(a) The trajectory o the probe tip (grey line) as it approaches the sample, and then scanslaterally over steps o 100, 200 and 500 nm in depth. The red line indicates the measuredinterace. (b) A scan over shallower steps (40, 50, 60, 70, 80, 90, 100, and 200 nm in depth)to test the height resolution. In (b) the horizontal axis has been compressed to more clearlyreveal the steps, the scale bars show the relative scaling along each axis. (d) A scan over acorrugated part o another test sample, similar to that shown in (e). All scale bars on (a),(b) and (c) represent 500 nm. (d), (e), and (g) are scanning electron microscope images othe test sample. ( ) Let eye and right eye stereo-microscope images o the probe heldadjacent to the test sample prior to the start o the experiment.

A rendering o our probe design showingthe our cylindrical trapping handles andthree tracking spheres.

An optical image o an optically trappedprobe.

normal to the sample, making it idealor examining sot biological spe-

cimens that would otherwise bedeormed or damaged.

This project was carried out at theUniversity o Bristol in the nanophysicsand sot matter group, headed byProessor Mervyn Miles, in collabora-tion with Proessor John Rarity o elec-trical and electronic engineering at theUniversity o Bristol, and Miles Padgettat the University o Glasgow.


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Nanoscribe GmbHHermann-von-Helmholtz-Platz 1 Phone: +49 721 60 82 88 40 www.nanoscribe.de76344 Eggenstein-Leopoldshaen Fax: +49 721 60 82 88 48 www.acebook.com/nanoscribeGermany E-Mail: [email protected] www.youtube.com/nanoscribe

Contct

News aNd Reviews 5

New Application Flyer3D printing opens new dimension

Our new application yer demon-

strates the wide feld o applications oPhotonic Proessional systems. It pre-sents research results e.g. in photonics,cell biology, biomimetics, micro-optics,microuidics, and micro rapid proto-typing by using Nanoscribes laserlithography systems or the abricationo three-dimensional micro-objectsand structures on the micrometerscale. The yer is available as a printedversion or or download on our home-page.

MULTITUDE OF APPLICATIONS

For more inormation, dont hesitateto contact our sales managers, e-mail:

[email protected]

News Ticker

Upcoming exhibitions

IEEE NanoBeijing, ChinaAugust 5 - 8, 2013

MNELondon, United KingdomSeptember 16 - 19, 2013

NanoForumRome, ItalySeptember 18 - 20, 2013

CHInano2012Suzhou, ChinaSeptember 24 - 26, 2013

Micro TASFreiburg, GermanyOctober 27 - 31, 2013

Welcome ToshniwalNew Sales Partner in India

We are very pleased to announce our

new representative in India: ToshniwalBros. (SR) Pvt. Ltd.The Bangalore-based new distributordistinguishes as an ideal partner withtheir longstanding expertise in instru-mentation supply and committedsupport to the Indian scientifc com-munity since 1948. We are very excitedabout this new co-operation and weare confdent that this partnership willstrengthen our presence in the SouthAsian territory as a response to the

signifcant market demands on 3Dmicro- and nanoabrication.I you live in India and want tofnd out more about Nanoscribes3D laser lithography systems,please visit Toshniwal Bros. underwww.toshniwalbros.com.

Nanoscribe continues to expandInstallations in Israel and Russia

A.V.B.A. Hitech Services Ltd. and

Nanoscribe congratulate the HebrewUniversity o Jerusalem in Israel on theopening o The Miniature IntegratedSystems Laboratory. 3D lithographyplays a crucial role in the pioneeringwork at the Brojde Center. With about100 invited guests, the opening wascelebrated together with the donors,partners both rom science andindustry.

With the frst installation o a PhotonicProessional system in Russia, Nano-scribe expands its global coverage toone o the biggest and astest grow-ing economies worldwide. We wishthe Perm State University good luck intheir research activities and are eagerto see outstanding results coming up.

Nanoscribes feld engineer FrdricHusser (let) and Anatoly Ostroshchenko(right) o the Perm State University ater theinstallation.

Ofcial ceremony o the new labora-tory: Martin Hermatschweiler (CEO oNanoscribe) and Aviv Eliahu (Sales Manager

o A.V.B.A.).
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487 7-newsletter july2013

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