September 25, 2017

Laboratory Equipping Sponsors

Laboratory equipping was supported by:

Croatian Science Foundation:

The Swiss National Science Foundation (SNSF) – Der Schweizerische Nationalfonds:

Ministry of Science, Education and Sports of the Republic of Croatia:

Business Innovation Center of Croatia:

Mobile and Fixed Lasertex Laser Interferometric Systems

 

With the support of the Croatian National Foundation for Science, Higher Education and Technological Development, a mobile and a fixed Lasertexlaser interferometric system were purchased. The characteristics of the two systems are as follows.

 

Mobile laser interferometer LSP 30-3D:

  • Two-frequency laser interferometer for measurement of displacements and geometry.
  • Software developed in accordance with PN – 93 M55580 and ISO / DIS 230  standard, which allows to create custom machine tool calibration reports.
  • Possible measurement types: linear and angular positioning, velocity, straightness, flatness, squareness, rotational positioning.
  • Compensation of environmental influences (pressure, temperature, humidity).
  • Dynamic measurements at frequencies up to 10 kHz.
 
Measuring parameters:

Measurement Range Resoultion Accuracy
Distance 0 – 30 m 0,001 μm ± 0,41 μm/m in air
± 0,9 μm/m steel
Velocity 0 – 0,3 m/s (1 m/s)* 0,25 μm/s ± 0,1 %
Angles 0 – 3600 arcsec 0,01 arcsec ± 0,1 %
Straightness (with angular optics) 0 – 12 m
(± 3 mm on the flatness area)
0,02 μm
(on a 100 mm base)
± 0,5 %
Straightness (with Wollaston prism) 0 – 3 m
0,8 – 10 m
(± 3 mm on the flatness area)
0,01 μm
0,1 μm
± 1 %
± 2,5 %
Flatness 0 – 12 m
(± 3 mm on the flatness area)
0,02 μm
(on a 100 mm base)
± 0,5 %
Squareness (Wollaston prism) ± 1000 arcsec 0,03 arcsec ± 1 % (± 1,5 arcsec)
Rotary measurements ± 5° 2 arcsec ± 0,2 %
* max. speed for 0.001 μm resolution is 0.1 m/s

 

Interferometer LL10:
  • Maximum axis length: 10 m (double and single pass optics), 30m (single pass optics).
  • Accuracy: with meteo sensors 10 ppm, without meteo sensors 1ppm, in vacuum 0.01 ppm.
  • Resoultion 2 nm.
  • Data read out frequency up to 100 kHz (USB), up to 50 kHz optical interface.

Metrolaser Vibromet 500V Laser Doppler Vibrometer

 

With the support of the Ministry of Science, Education and Sports of the Republic of Croatia a Metrolaser Vibromet 500V Laser Doppler Vibrometer was purchased.  Its characteristics are the following:

 

Velocity range

5 μm/s to 1000 mm/s

Vibration frequency range

DC to >20kHz

Working distance

1 cm to 5 m

Movement range

0.1 nm to 10 mm

Optics

Collimated or Variable Focus (1 m to 5 m)

Surface preparation

Usually not needed

Output signal

Analog, demodulated and 10.7 MHz FM

Dimensions

Laser head 24 x 11.4 x 7.6 cm

Dimensions

Electronic controller 30 x 22 x 6 cm

Weight

Laser head 1.4 kg

Weight

Electronic controller 3.9 kg

Low-pass filter

1,2,5,10,20 kHz

Input voltage (max)

± 8 V

Laser

780 nm, <15 mW, Class Illb 650 nm, <1 mW, Class II

Energy requirements

220V / 50 Hz

Operating temperature range

3 – 45°C

Automatic Precision Positioning and Data Acquisition System

 
With the support of the Swiss National Science Foundation through the project “A Stronger Europe with MIcro-and NAnotechnologies (SEMINA)” within the founding scheme for scientific co-operation of the Swiss Confederation with Central and Eastern European countries (SCOPES 2005 – 2008), a National Instrumentssystem for automated precision positioning using DC, stepper or voice-coil motors and data acquisition based on optical encoders and LVDTs was purchased. The main characteristic are the following:

 

LabVIEW 8.6.1 software for graphical programming (8.5 and 8.6 versions also):

  • LabVIEW FPGA Module 8.6: field programmable gate arrays for virtual instruments programming.
PXI 1050:

  • 8 PXI (PCI eXtensions for Instrumentation) slots with integrated 4 SCXI (Signal Conditioning Extension for Instrumentation) subsystem slots.
  • SCXI system connected via a bus to the PXI slot enabling the control of SCXI system in multiplex mode.
  • Ideal for applications that require high precision measurement and adjustment of signals.
 
  PXI 8196:

  • Embedded control computer for PXI and Compact PCI systems.
  • Tests and measurements in real-time.
  • ExpressCard with 34 slots and 4 USB 2.0 ports.
  • RS232 serial port and a parallel port.
PXI 6221:

  • Multifunctional data acquisition card.
  • Two 16-bit analog outputs (833 kS/s).
  • Analog output range ±10 V.
  • 16 16-bit analog inputs.
  • 24 digital I/O; 32-bit counters; digital actuators.
  • Contains PCI, PXI and USB buses.
  • Using the card it is possible to acquire various signals, move actuators and simultaneously execute multiple control loops.
 
  PXI 7833R (2 pieces):

  • Equipped with reconfigurable I/O (RIO) hardware which allows processing of data onto the card.
  • 8 16-bit analog inputs (200 kS/s).
  • 8 16-bit analog outputs (200 kS/s).- 96 digital I/O.
  • The core of the device is a Virtex-II FPGA 3M programmed using the LabVIEW FPGA Module.
  • The card can be configured to perform a variety of applications that require precise control and accurate timing.
SCXI 1540:

  • 8 channel analogue LVDT (Linear Variable Differential Transformer) module that is used to adjust the signals received from the LVDTs and RVDTs. Each of the 8-channels (333 kS/s) is also a source of AC sensors’ excitation voltage.
  • Low-pass output filter at a cut-off frequency of 250 Hz.
 
  SCXI 1315:

  • 8-channel terminal block for the NI SCXI 1540 with 6 ports for each channel.
  • Allows easy connecting of LVDTs and RVDTs.
SCB 68 (6 pieces):

  • Protected I/O terminal block that reduces noise and is used to connect the I/O signals to the DAQ device via up to 68 pins.
 

Optical Stereomicroscope Olympus SZX16

 

With the support of the Croatian National Foundation for Science, Higher Education and Technological Development, an OlympusSZX16 optical stereomicroscope  was purchased. Its characteristics are as follows:

 

 
  • Magnification ratio: 16.4 (0.7/0.8/1/1.25/1.6/2/2.5/3.2/4/5/6.3/8/10/11.5).
  • Max. magnification: 230x.
  • Resolution: 1.11 µm
  • Fine focusing on 80 mm with a 0.77 mm per turn focusing knob
  • Available stereo pair of bifocal Lenses:
  • SDFPLAPO0.5 x PF

– Aperture: 0.075
– Working length: 70.5 mm

  • SDFPLAPO1.6 x PF

– Aperture: 0.24
– Working length: 30 mm

 
  • Olympus KL1500 LCD cold light source.
  • Power: 150 W.
 
  • Olympus DP25 4.9 megapixel digital CCD camera.
  • 8 images per second at a resolution of 2560 x 1920 px.
  • 32 images per second at 640 x 480 px.

 

Turnable SZ2-STU2 stand:
 

Different stands for sample fixture and movement:

Educational Scanning Tunneling Microscope (STM)

 
   
 

With the support of the Ministry of Science, Education and Sports of the Republic of Croatia for the scientific Project 0069-028 entitled “Theoretical and experimental analysis of ultra-high precision flexural hinges” (2005 – 2006), a NanosurfEasyScan E-STM educational scanning tunneling microscope was purchased.  Its characteristics are the following:

 

 
  • XY scanning area:  500 nm.
  • Maximum Z displacement: 200 nm.
  • Resolution of height adjustment: 0,003 nm (3 pm).
  • Resolution of other motions: 0,015 nm (15 pm).
  • Gap voltage: ± 10 V in 5 mV steps.
  • Current: ± 100 nA in 25 pA increments.
  • Max sample size: 10 mm.
  • Maximum scanning speed: 1800 points per second.
  • Feedback bandwidth: 3 kHz.
  • Scanning tip: 0,25 mm Pt/Ir wire.
  • Measurement mode: constant current or constant distance.
  • Vibration isolated stand.
  • EasyScan E-line software for visualization of measurement data (Line graph, Colour map, 3D view, …).
  • Portable suitcase.

Agilent InfiniiVision DSO-X 2012A Osciloscope

With the support of the Business Innovation Center of Croatia (BICRO) an Agilent InfiniiVision DSO-X 2012A Osciloscope was purchased. Its characteristics are as follows:

 

Analog Channels

2

Digital timing channels

8 on MSO models or with DSOX2MSO upgrade

Bandwidth (upgradable)

100 MHz

Sample rat

1 GSa/s per channel; 2 GSa/s half channel interleaved mode

Memory depth

100 kpts

Waveform update rate

50,000 waveforms per second

WaveGen built-in 20 MHz function generator

Option DSOX2WAVEGEN

Segmented memory

Option DSOX2SGM

Mask limit testing

Option DSOX2MASK

Digital Multimeter UT71E

With the support of the Business Innovation Center of Croatia (BICRO) a Digital Multimeter UT71E was purchased. Its characteristics are as follows:

 

 

SPECIFICATIONS

Basic
Functions

Range

Best
Accuracy

DC
Voltage
400mV/4V/40V/400V/1000V (0.025%+5)
AC
Voltage
4V/40V/400V/1000V (0.4%+30)
AC
Bandwidth
100KHz
DC
Current
400µA/4000µA/40A/400mA/10A (0.08%+8)
AC
Current
400µA/4000µA/40A/400mA/10A (0.5%+15)
Resistance 400W/4kW/40kW/400kW/4MW/40MW (0.3%+8)
Capacitance 40nF/400nF/4µF/40µF/400µF/4mF/40mF (1%+20)
Temperature
(°C)
-40°C
~ 1000°C
(1%+30)
Temperature
(°F)
-40°F
~ 1832°F
(1.5%+50)
Frequency 40Hz/400Hz/4kHz/40kHz/400kHz/4MHz/40MHz/400MHz (0.01%+8)
Duty
Cycle
10%~90% (1%+30)
4~20mA
Loop
0~100% (1%+50)
Power
Measurement
included (2%+5)

WS 81 Electronically Controlled Analog Soldering Station 80 W

With the support of the Business Innovation Center of Croatia (BICRO) a Electronically Controlled Analog Soldering Station WS-81 was purchased. Its characteristics are as follows:

Specifications:

  • POWER UNIT, EU PLUG
  • Supply Voltage VAC: 240V
  • Power Rating: 80W
  • For Use With: Weller WSD81 and WSD51 Soldering Stations
  • Plug Type: Euro
  • Heat Temperature Range: +150°C to +450°C
  • Temperature Min: 150°C
  • Temperature Max: 450°C

DC Power Supply UTP3704

With the support of the Business Innovation Center of Croatia (BICRO) a DC Power Supply UTP3704 was purchased. Its characteristics are as follows:

SPECIFICATIONS

Feature UTP3704
Output Voltage
Ch1, Ch2
0~32V
Ch3
5V
Output Current
Ch1, Ch2
0~3A
Ch3
2A
Overload Effect CV≤1 x 10-4 + 2mV, CC≤2mA
Ripple & Noise CV≤1mVrms, CC≤1mArms
Regulation CV – 20mV (Typical Value), CC – 50mV (Typical Value)
Tracking Error 5 x 10 – 3 + 2mV
Reliability MTBF (e): ≥ 2000 hours
Other Features Triple Output, Series or Parallel Operation, Current Limitation
Auto Switching Between Voltage and Current Operation

Newport Optical Table

   

With the support of the Swiss National Science Foundation through the project “A Stronger Europe with MIcro- and NAnotechnologies (SEMINA)” in the framework of the funding scheme for scientific co-operation of the Swiss Confederation with Central and Eastern European countries (SCOPES 2005 – 2008), a Newport optical table M-RPR-46-8 was purchased. Its characteristics are as follows:

 

 
  • Stainless steel top plate: 1,2 x 1,8 m.
  • Thickness of top plate: 203 mm (surface plate: 4,8 mm).
  • M6 holes every 25 mm.
  • Highly damped design with a “honeycomb” surface.
  • Surface flatness: ± 0.1 mm on a 600 x 600 mm surface.
  • Deflection under a 114 kg load: <1.3 x 10-3mm.
  • Dynamic response as shown on the left.
  • RL-2000-428 passive leg 71 cm high, 910 kg loading capacity each.
  • Eigenfrequency of legs: 55 Hz vertical, 45 Hz horizontal.

Encoders and other Measuring Equipment

 
  HeidenhainMT 60K Linear encoder:

  • Connectivity: coupling connected with moving parts.
  • Measuring standard: DIADUR grating on silica glass, with a 10 μm grating interval.
  • Accuracy: ± 5 μm.
  • Reference: approximately 1.7 mm from the top.
  • Measurement range: 60 mm.
  • Needed measurement force: 0.1 to 0.6 N.
  • Allowed radial force: ≤ 0.5 N.
  • Operating temperature range: 10 to 40 ºC.
  • Reference temperature: 20 ºC.
  • Incremental signals: sinusoidal 11 μA­­­­­PP.
  • Mechanically allowed measurement speed: ≤ 18m/min.
HeidenhainMT 2581 Linear encoder:

  • Actuation: with machine moving parts.
  • Connectivity: clamping arm Ø8h8.
  • Measurement standard: DIADUR phase grating on glass-ceramic ZERODUR, with a 4 μm grating interval.
  • Accuracy: ± 0.2 μm.
  • Reference: approximately 1.7 mm from the upper stop.
  • Measurement range: 25 mm.
  • Required measuring force:

– Vertical downwards: 0.6 N.
– Vertically upwards: 0.28 N.
– Horizontal: 0.44N.

  • Allowed radial force: ≤ 0.8 N.
  • Operating temperature range: 10 to 40 ºC.
  • Reference temperature: 20 ºC.
  • Incremental signals: sine 1 V­­­­­PP.
  • Mechanically allowed measurement speed: ≤ 30m/min.
 
  RenishawRGH22B15L00A contactless optical encoder:

  • Resolution: analog 1 Vpp, 12 µA.
  • Reference: magnetic actuator.
  • Maximum speed: 10 m/s.
  • Tolerance of measurement range: 0.8 ± 0.1 mm.
DCSkywatch Geos No.11 Highly portable Weather Station:

  • Temperature:

– Resolution: 0.1° <99.9 then 1° >100.

– Interval of measurements: 0.5 s to 24 h.

– Accuracy: +/-0.5°C to 25°C.

– Measurement range: -40°C to +85°C.

 

  • Humidity:

– Units: %rH.

– Resolution : 0.1 %rH.

– Interval of measurements: 0.5 s do 24 h.

– Accuracy: +/-2% to 50%rH.

– Measurement range: 0.1 to 100%rH.

 

  • Height:

– Resolution:

  • 0.1 m from -999.9 to 3000 m;
  • 0.5 m from 3000 to 10000 m;
  • 1 m from 10000 to 21535 m.

– Accuracy: 0.1 m – 1 m.

– Measurement range: -1000 to 21535 m.

 

  • Wind:

– Resolution: 0.1 units.

– 0.1 to 25.0 Beaufort.

– Interval of measurements: real-time.

– Accuracy: +/-2%.

– Measurement range: 0 to 300 km/h.

 
  Ferag high-precision mechanical bubble level:

  • Accuracy: 0.01 mm/m.

Precision Positioning Elements and Devices

 
 

 

  Schneebergerhigh-precision slides (6 pieces, 216.3 g/piece) and carriages (3 pieces, 12.8 g/piece):

  • Tolerance class G1: ±10 µm for A and B tolerances.

  • Speeds up to 5 m/s and accelerations up to 300 m/s2.
  • Static load: max. 1560 N.
  • Dynamic load: max. 925 N.
  • Rail holes: 2.4 mm.
  • Threads on carriage: M2.
  • Rail length: 85 mm.
NewportAJS 100-1 High-precision Positioning Screws (3 pieces):

  • Motion length: 25.4 mm.
  • Max. load: 90 N.
  • 100 threads per inch.
  • Sensitivity: 0.7µm on a 1° turn.
 
  Newport  M-423 High-precision Linear Translator with Ball Bearings (3 pieces):

  • Max. travel: 25 mm (X axis).
  • Max. centered load: 156 N.
  • Max. vertical load: 67 N.
  • Max. angular deviation: 200 µrad.
  • 9 M6 holes (25 mm distance in-between).
  • Two 12.7 mm holes.
NewportM-481-A High-precision Goniometer with Micrometer:

  • Rotation angle: 360 º, manual locking screw.
  • The inner part of the stand allows high-resolution angular positioning.
  • Rotation AJS screw accuracy: 15 arc sec /°.
  • Max. load: 178 N.
  • Max. driving torque: 9.6 cm*kg.
  • 6 M6 holes.
 
  SKF618/4 Ball Bearings:

  • Internal diameter: 4 mm.
  • Mass: 0.7 g.
  • Max. static load: 180 N.
  • Max. speed:​ 85000 rpm.
SKFSH 6×2 R Precision Ball-screws with Nuts:

  • Max static load: 1.5 kN.
  • Max dynamic load: 1.2 kN.
  • Leadscrew diameter: 6 mm.
  • Step: 2 mm.
  • Thread length: 75 mm.
  • Nut diameter: 16.5 mm.
  • Thread: M14.
 
  FaulhaberDC 15A micromotor (3 pieces) with planetary gearhead (3 pieces):

  • Nominal voltage: 6 V.
  • Winding resistance: 3,41 Ω.
  • Output power: 2,58 W.
  • Efficiency: 81%.
  • No-load speed: 8600 rpm.
  • No-load current (with 1,5 mm shaft): 0.020A.
  • Stall torque: 11.5 mNm.
  • Friction torque: 0.13 mNm.
  • Speed constant: 1450 rpm/V.
  • Back electromagnetic force: 0.690 mV/rpm.
  • Torque constant: 6.59 mNm/A.
  • Current constant: 0.152 A/mNm.
  • Rotor inductance: 75 uH.
  • Rotor inertia: 1.0 gcm2.
  • Angular acceleration 110 ·103rad/s2.
Femto Tools FT-S270 Micro-gripper with a Force Sensor:

  • Start (max) clamping gap: 30 µm.
  • Travel range: 30 µm.
  • Max. actuator voltage: 110 V.
  • Sensor sensitivity: 25 µN/V.
  • Sensor output signal: 0-5 V.
  • No-load output voltage: 2.25 V.
  • Sensor supply voltage: 5 V.
  • Sensor resolution at 1000 Hz: 0.04 µN.
  • Sensor resolution at 30 Hz: 0.006 µN.
 
  Femto ToolsFT-S270 Micro-force Sensor:

  • Force sensitivity range: 2000 µN.
  • Sensitivity: 1000 uN/V.
  • Output signal: 0-5 V.
  • No-load output voltage: 2.25 V.
  • Supply voltage: 5 V.
  • Mechanical resonance frequency: 6400 Hz.
  • Resolution at 1000 Hz: 2 µN.
  • Resolution at 30 Hz: 0.4 µN.