Our board-level X-ray inspection cell against Nordson Quadra 7 Pro, Viscom X8011-III and Nikon XT V 160: what a board-level cell has to prove.
Three of the strongest names in electronics X-ray publish full specifications, and on pure spot size Nordson resolves finer than we do. The board-level question for a defence depot is different: who owns the inspection standard, and who has to approve the next spare part.
Our board-level X-ray inspection cell is an indigenously developed system in production use, certified by a national atomic-energy regulator with leakage below 1 µSv/hr, running both production screening and failure analysis. It is built to certify the electronics inside mission computers, radar modules and flight-critical avionics cards rather than to demonstrate a capability.
Side by side
| Attribute | Represented by UnstratPCB X-ray inspection | Nordson Test & InspectionMXI Quadra 7 Pro1United States / United Kingdom | Viscom SEX8011-III (eco / plus / flex)2Germany | Nikon MetrologyXT V 1604Japan / Belgium |
|---|---|---|---|---|
| Tube type and voltage124 | Microfocus open tube with transmission target, 20 to 160 kV, max target power 25 W | QuadraNT Mk4 Dual Mode, 30 to 160 kV, max power 20 W, switching between high-resolution and high-flux modes | Sealed microfocus tube 20 to 130 kV or 20 to 180 kV, or open microfocus transmission tube 20 to 160 kV or 20 to 210 kV, target power to 40 W | Open tube transmission target, 160 kV, 20 W maximum electron beam power |
| Resolution124Nordson's published JIMA figure is finer than ours. Say so, then ask what the board actually requires: 0.9 µm resolves BGA ball voids, head-in-pillow and PTH fill on the assemblies a depot certifies. | JIMA 0.9 µm | JIMA 0.5 µm across the 0.5 W to 20 W power range; feature recognition stated below 100 nm | Verified resolution at 90 kV / 80 µA of under 16 to 50 µm, under 4 µm, or under 1.5 µm with the TXD tube, by configuration | 1 µm focal spot below 2 W, feature recognition 500 nm at 80 kV / 80 µA |
| Magnification124 | Geometric above 1,900×, system above 7,000× | 750× geometric plus digital zoom with options | Up to 2,650× geometric, or up to 35× on the eco configuration | 2,046× geometric, up to 36,000× system magnification |
| Detector124 | Flat panel 161 × 161 mm, 105 µm pitch, 40 fps | Onyx HL, 6.5 MP, 50 µm effective pixel, 16,000 mm² active area, 25 fps | 7.3 inch 14-bit panel, or 11 inch 14-bit panel with a 16-bit option | Varex 2520DX 2.85 MP 16-bit, or Varex 1515DX 1.3 MP 16-bit |
| Board handling124 | 6-axis precision manipulator with servo motors and encoders; inspection area up to 17 × 21 inches | Inspection area 510 × 445 mm (20 × 17.5 in), oblique viewing 2 × 70° with no sample rotation required | X-Y-Z table 460 × 435 mm horizontal and 290 mm vertical, or 350 × 430 mm with a rotation module; detector swivel 0 to 60° | 5-axis (X, Y, Z, tilt, rotate), tilt 0 to 72°, largest single map 406 × 406 mm, maximum physical sample 711 × 762 mm |
| Maximum sample weight24 | Not published | Not published | Up to 10 kg, or 5 kg with the rotation module | 5 kg |
| Defect analysis packages124 | BGA (void percentage per ball, circularity, diameter, ball count, bridging, head-in-pillow), QFP, QFN and through-hole PTH fill, crack and void, with AI-driven board identification, classification and annotated reporting | Revalution control software with customisable filtering, point-and-click defect analysis and automated inspection routines; X-Plane slice view and µCT offered as options | XMC analysis software for BGA, QFN, THT and ACA, automatic Viscom SI analysis, automatic inspection report, XVR CT software and layer image analysis, with AI void segmentation offered under vAI | Inspect-X control and analysis software; automated inspection included, CT and X.Tract optional |
| Radiation safety124 | Certified by a national atomic-energy regulator, leakage below 1 µSv/hr | Below 1 µSv/hr, stated to meet all international standards | Fully protected device to the German Radiation Protection Act and Ordinance and CE marking, leakage below 1 µSv/h | Below 1 µSv/hr at the cabinet surface |
| Installed mass and footprint124 | Not published | 1,955 kg, footprint 1,570 × 1,500 × 1,900 mm, single phase 200 to 230 VAC 16 A, about 1 kW | 2,500 kg by configuration, 1,343 × 2,292 × 1,707 mm, 400 V 3-phase, average 0.9 kWh | 2,100 kg, cabinet 1,200 × 1,786 × 1,916 mm |
| Factory integration124 | MES and ERP integration with smart-factory connectivity; batch inspection of dozens of boards in sequence with high-throughput macros | Barcode reader offered as an option for sample tracking | Viscom Quality Uplink linking results to SPI, AOI and AXI data; verification station with line information available at the operator | Automated inspection included on the XT V 160, optional on the XT V 130C |
| Where the system and its software are built1234 | Indigenously developed cell with an AI-powered imaging suite; independent, non-aligned origin | Nordson Test & Inspection, with regional sales offices listed across Europe, the Americas and Asia | Viscom SE, Hanover, Germany, with the open microfocus transmission tubes stated to be developed and manufactured in its own X-ray competence centre | Nikon Metrology, with the European entity in Leuven, Belgium |
Competitor values are quoted from the vendor documents listed under Sources, as published on the date shown. Configurations vary, so treat every row as a starting point for the evaluation rather than a like-for-like test result.
What the table means
On spot size, Nordson wins. On the rest of the cell, the gap closes fast.
The Quadra 7 Pro publishes JIMA 0.5 µm across its full 0.5 to 20 W range, which is finer than our 0.9 µm, and its 6.5 MP Onyx panel at 50 µm effective pixel is a very good detector. It also publishes 750× geometric magnification, well under our 1,900×, and reaches its headline numbers with digital zoom and a 40 inch monitor. Viscom's 2,650× and Nikon's 2,046× geometric are the closest comparators. The honest summary: three vendors are at the same technical altitude, each optimised differently, and none of them is going to fail a defence buyer on physics.
The AI is not the differentiator. The ownership of the defect standard is.
Every vendor in this set now ships classification software. Viscom offers AI void segmentation under vAI, Nordson offers automated routines in Revalution, Nikon offers automated inspection in Inspect-X. What differs is who defines the accept-or-reject rule and who holds the record. Our imaging suite runs the whole flow from automatic board identification through classification to an annotated report, and it is developed by the same organisation that supplies the cell, so the acceptance criteria can be set to your standard rather than negotiated as a feature request against a foreign vendor's roadmap.
A depot certifying avionics is not buying an SMT line accessory.
Viscom's X8011-III is designed around verification stations linked to SPI, AOI and AXI data from a Viscom line. That is a strong proposition inside a Viscom-equipped factory and a weaker one in a repair depot with mixed-vintage boards and no line telemetry. The defence use case is failure analysis on assemblies nobody has data for, with a documented result that survives audit. That is what the board-level X-ray inspection cell is built around, and it stays inside your facility rather than shipping the board to an overseas laboratory.
Questions buyers ask
What is the best alternative to a Nordson Quadra 7 Pro for a government buyer certifying avionics boards?
The Quadra 7 Pro is a genuinely strong machine: JIMA 0.5 µm, 6.5 MP detector at 50 µm effective pixel, 2 × 70° oblique viewing and a 510 × 445 mm inspection area. If the requirement is only spot size, buy it. If the requirement includes owning the defect criteria, keeping the inspection record inside the country and having the supplier answer to you for spares, the board-level X-ray inspection cell gives you JIMA 0.9 µm, above 1,900× geometric magnification, a 6-axis manipulator and an imaging suite that runs from board identification to annotated report, from an independent, non-aligned supplier.
How does the board-level X-ray inspection cell compare with the Viscom X8011-III on cost of ownership?
Neither vendor publishes prices, so treat any quoted comparison with suspicion. What Viscom does publish is instructive: 2,500 kg installed, a 400 V three-phase supply, and a system whose analysis value grows if you also run Viscom SPI, AOI and AXI on the same line. That is a coherent strategy and it is also a lock-in. Our cell is supplied with its own imaging suite, MES and ERP integration, and support from the organisation that built it, with no requirement to standardise the rest of your line on one vendor.
Is 0.9 µm JIMA resolution enough for BGA and PTH inspection, or do we need 0.5 µm?
For BGA void percentage per ball, circularity, bridging, head-in-pillow and plated-through-hole fill, 0.9 µm with above 1,900× geometric magnification resolves the defect classes that fail an assembly. Sub-micron matters when you are inspecting semiconductor packaging features, which is why Nordson quotes feature recognition below 100 nm and Nikon quotes 500 nm. Specify the smallest feature you must call, then buy for that, not for the brochure number.
Which PCB X-ray system keeps inspection data under national control?
None of the three competitor datasheets addresses data residency, because a datasheet never does. The practical test is whether the software, the classification logic and the support line sit with a supplier that answers to your ministry. The board-level X-ray inspection cell is indigenously developed with its imaging software built in-house, certified for safety by a national atomic-energy regulator, and supplied through an independent, non-aligned route, so the board data and the defect record stay in your facility.
Can one system handle both production screening and failure analysis?
Yes, and all four in this comparison claim it. Ours runs high-throughput macros and batch inspection of dozens of boards in sequence for screening, and manual mode with pseudo-3D imaging, contrast tools and video capture for analysis work. Nikon draws the same distinction between its XT V 160 with automated inspection included and the XT V 130C where it is optional. The question to ask any vendor is how many boards per hour in automatic mode on your product, measured on your boards.
Sources
- 1. Nordson Test & Inspection, The Complete X-ray Inspection Solution: MXI Quadra 7 Pro (DS-Q7PRO-301025) (copy held on this site)Retrieved: 2026-07-31 · Datasheet linked from the Nordson MXI Quadra 7 Pro product page at nordson.com.
- 2. Viscom SE, Quality Inspection for the Very Best Reliability, Detail and Innovation: X8011-III offline X-ray system (Viscom_X8011-III_EN2604) (copy held on this site)Retrieved: 2026-07-31
- 3. Viscom SE, Microfocus X-ray Inspection: Most Accurate Analyses and Highest System Versatility (X8011-II PCB, X8068, X8068 SL) (copy held on this site)Retrieved: 2026-07-31 · Cited for Viscom's statement that it develops and manufactures its own open microfocus transmission tubes.
- 4. Nikon Metrology, XT V Series: X-ray and CT technology for electronics inspection (XTV Series_2CE_NNIH_3_0423) (copy held on this site)Retrieved: 2026-07-31