MDPpro 850+

MDPpro 850+


For production and quality control of monocrystalline Si ingots, bricks and wafers.

Si for HJT, HIT, TOPcon, bifacial PERC, PERC+ solar cells, Perovskites and more.

 

Features

Range of lifetimes
20 ns to 100 ms (for samples > 0.3 Ohm cm)

SEMI standard
PV9-1110

Measurement speed
< 30 sec for linescan
< 5 min for complete mapping

Simultaneous measurement of
lifetime μPCD/MDP (QSS) and resistivity

Automatic geometric recognition
G12, M10 bricks and wafers

Slip Lines in CZ-SI ingot

Lifetime measurement of a quasi-mono Si ingot with a lot defects


Applications

  • Lifetime & Resistivity Mapping

  • Crystal Growth Monitoring (i. e. Slip lines)

  • Contamination Monitoring

  • Oxygen Striations/OSF Ring

  • Iron Mapping for p-doped Si

  • Light Beam Induced Current (LBIC)

  • Sheet Resistance for Emitter Layer

  • and more...

 

MDPstudio – Operating & Evalution Software

User-friendly and advanced operating software with:

  • Export and import functions

  • User structure with operator

  • Overview over all performed measurements

  • Sample parameter input

  • Single point measurements
    e. g. injection dependent measurements

  • Mapping

  • Recipes

  • Package of analysis functions

  • View of line scans and single transients

Configuration options

  • Spot size variation

  • Resistivity measurement (bricks/wafers)

  • Background/Bias light

  • Reflection measurement (MDP)

  • LBIC

  • Internal iron mapping of p-doped Si

  • P/N detection

  • Bar code reader

  • Automatic geometric recognition

  • Wide range of lasers

Remote accessibility IP based system allows remote operation and technical support from anywhere in the world

 

Line scan of mc-Si wafer

 

Lifetime measurements of HJT wafers

 

Technical specifications

Material monocrystalline silicon
Ingot size between 125 x 125 to 210 x 210 mm²,
brick length 850 mm or longer
Wafer Size up to 300 ¬mm diameter
Resistivity range 0.5 – 5 Ohm cm. Other ranges on request
Conduction type p, n
Measurable properties lifetime - μPCD/MDP (QSS), photoconductivity, resistivity and more
Default excitation lR laser diode (980 nm, max. 500 mW) and IR laser diode (905 nm, max. 9000 mW).
Other wavelengths are available on request
PC workstation Windows 11 or latest, .NET Framework update, 2 Ethernet ports
Power requirements 100 – 250 V AC, 6 A
Dimensions
(W × H × D)		 2560 × 1910 × 1440 mm
Weight approx. 200 kg
Certification manufactured under ISO 9001 guidelines, CE conform

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