Stencil & Screen Inspection

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ScanCAD has been supporting solder paste stencil and emulsion screen fabricators and users for over 20 years. We are the global leader in flexible, multi-purpose screen and stencil inspection systems. Our system captures calibrated high resolution images, overlays original CAD or Golden Part data and performs an automatic inspection to detect errors BEFORE production. By eliminating errors prior to production, we are able to significantly decrease costly rework and scrap

The ScanCAD system can inspect all types of stencils, screens and even the precision phototools used to create emulsion screens. Whether you are inspecting an incoming stencil or screen to ensure conformity, confirming all apertures were properly cleaned in between runs, or performing a periodic check to ensure wear is within tolerance; our systems are a critical component of process control.

ScanCAD Inspection systems are a critical component for process control.

Unique Niche

Independent verification of stencils and screens is mandatory for ensuring no bad parts are used in production.  Even one defective stencil or screen defect can be very costly due to scrap, rework or even product recall.  These systems can also be used as general purpose measurement & inspection systems for parts such as bare PCB’s, pallets, carriers, tooling, ceramics/LTCC, solder paste, glue, etc.

Unique Technology

Internally developed software coupled with our low-cost vision platform and NIST certified calibration equipment ensures that our system is a solution that is custom tailored for your application. Our hardware and software have been specifically designed to maintain an excellent price-performance ratio, maximize your ROI and provide a unique set of tools for effective and efficient inspection & measurement providing 100% traceability and SPC data for your ISO certification.

Unique Process

Over our thirty years in business, we have continuously improved our process to support cutting edge technology.  Our ability to inspect relative to both the fabrication data (eg. cut file for laser stencils) and the original design file (eg. PCB CAD file for stencils), as well as automatically compare directly against an actual part (eg. PCB) sets our system apart.  In addition, the same system can also generate fabrication data that exactly matches the substrate (eg. Creating stencil data for an existing PCB) which has been proven to reduce production defects.

A 43% reduction in solder paste defects can be achieved by simply adjusting stencil data to match a job lot of PCBs. Why compound process errors if you don’t have to?  It’s time to up-level your process.

A Case Study

A single missing capacitor aperture on a low cost solder paste stencil caused a massive, very costly automobile recall.  This defect was not caught by the stencil fabricator’s manual inspection method before the stencil was shipped.   Nor was it caught by the stencil user through their manual inbound inspection or by their electrical test after the board was assembled, since there just was enough solder on the HASL pad for the electrical test to pass.  The final product failed in the field after about 6 months due to vibration and temperature variation. All of this could have been avoided by simply checking the stencil with a ScanCAD automated stencil inspection system immediately prior to placing the stencil into production.

Quality issues are unpredictable and expensive. A low cost system combined with a five minute process can save an enormous amount of money, time, and energy in the long run.

Technical Specifications*


  •  High-Resolution Color Flatbed Scanner, Size A3:(400/1000/1600/2000/2400/3200/4000/ 4800 dpi) Calibrated Accuracy: ± 0.001” (± 0.0254mm)
  •  A3-Scanning Bed Area: 11.7″ x 16.5″ (297mm x 419mm)
  • Multiple scans can be stitched together for a larger working area


    •  Multi Core Processor – 3GHz
    •  1TB 7200 RPM HD, 8-16 GB RAM
    •  CD/DVD ROM (For archive purposes)
    •  Flat Panel Monitor
    •  Ethernet Connection
    •  Windows 10 – 64-Bit
    •  2 available USB ports – USB2 or USB3

    **Recommended customer-supplied minimum PC requirements.

    Additional System Components

    •  Precision Glass NIST Calibration Grid
    •  ConvertPLUS CAM Software
    •  Work Instruction Software (WIS)
    •  Custom Transmissive Lighting Package
    •  Custom Workstation Desk
    •  Scanning Accessory Package

    The following are trademarks of the indicated companies: Gerber, Ucamco N.V.; Windows 10, Microsoft®;  ScanCAD™, ScanSTENCIL™, ScanINSPECT™, and ScanINSPECT VPI™ are trademarks of ScanCAD International, Inc. *All specifications and designs subject to change without notice.*


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    Trade shows

    ScanCAD participates in many trade shows during the year, whether in ScanCAD's own booth or by way of our distributor/OEM.

    November 16-19, 2021
    Munich, Germany
    GS Electronic Booth

    DMC 2021 
    December 12-16, 2021
    Denver, Colorado
    ScanCAD Booth #501

    IPC Apex 2022
    January 25-27, 2022
    San Diego, California
    ScanCAD Booth #1201


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