Zeiss
Leo 1525
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
The Zeiss Leo 1525 is a scanning electron microscope used in metrology and inspection contexts. The Zeiss Leo 1525 is a high resolution FE-SEM. The Zeiss Leo 1525 operates at accelerating voltages from 0.5 kV to 20 kV.[1][2]
What it is
The Zeiss Leo 1525 is a scanning electron microscope used in metrology and inspection contexts.[3][1]
The Leo 1525 is a ZEISS LEO microscope with a Gemini column architecture.[4][2]
How it works
The Leo 1525 uses a field emission gun and a Gemini objective lens design.[2]
Applications
What do the numbers mean?
Power & electrical2
Optics & imaging10
Configuration & options6
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What is the typical resolution of a field-emission SEM like this class?General reference — not yet source-verified
Field-emission SEMs in this class offer high spatial resolution, capable of resolving features down to the nanometer range, depending on the specific electron optics and operating conditions.
What types of samples can be imaged with this kind of instrument?General reference — not yet source-verified
Most SEMs require conductive samples or samples that have been coated with a thin conductive layer to prevent charging. Non-conductive materials such as polymers, ceramics, or biological specimens can be imaged after sputter coating with gold, platinum, or carbon.
What are the main maintenance considerations for such a system?General reference — not yet source-verified
Key maintenance includes regular vacuum system checks, electron source conditioning, column alignment, and detector cleaning. Contamination from sample outgassing or long-term operation can affect image quality, so periodic preventative maintenance is recommended.
Can this class of SEM be used for automated metrology in a production environment?General reference — not yet source-verified
Yes, many SEMs in this class can be equipped with automated stage control, pattern recognition, and measurement software to perform repetitive critical dimension or defect review tasks in a semi-automated or fully automated mode.
What is the typical working distance for high-resolution imaging?General reference — not yet source-verified
Working distance and other operating parameters are adjustable. For high-resolution imaging, a short working distance (a few millimeters) is typically used, but the optimal setting depends on the specific application and sample geometry.
Not publicly documented
The following facts about the Leo 1525 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the Leo 1525 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Leo 1525 are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the Leo 1525 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the Leo 1525 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Leo 1525 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (4)Every fact above is drawn from these public sources
- [1]waferpedia.com — waferpedia.comwaferpedia.com
- [2]polifab.polimi.it — polifab.polimi.itpolifab.polimi.it
- [3]Inventory photo
- [4]Leo 1525 | NNCI — nnci.netnnci.net
Last updated Oct 4, 2026.
Compare with similar tools
View all →The KLA .204 PSL Wafer is an 8-inch NIST-traceable reference wafer compatible with Surfscan 6xy0 and Sp1 particle counters.
KLA .496 PSL Wafer is an 8-inch NIST traceable wafer stated to be capable on Surfscan 6xy0 and SP1.
The KLA .498 PSL Wafer is a NIST traceable reference wafer.
