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SMTnet Express, April 21, 2022, Subscribers: 25,664, Companies: 11,565, Users: 27,188

Technical Library

Deep Learning Based Defect Detection for Solder Joints on Industrial X-Ray Circuit Board Images

Quality control is of vital importance during electronics production. As the methods of producing electronic circuits improve, there is an increasing chance of solder defects during assembling the printed circuit board (PCB). Many technologies have been incorporated for inspecting failed soldering, such as X-ray imaging, optical imaging, and thermal imaging. With some ...

Credits: Southeast University (SEU)

Bare PCB Inspection By Mean Of ECT Technique With Spin-Valve GMR Sensor

The high-sensitive micro eddy-current testing (ECT) probe composed of planar meander coil as an exciter and spin-valve giant magneto-resistance (SV-GMR) sensor as a magnetic sensor for bare printed circuit board (PCB) inspection is proposed in this paper. The high-sensitive micro ECT probe detects ...

Credits: Kanazawa University

Bare PCB inspection for Track cut, Track Short and Pad Damage using simple Image Processing Operations

In this paper most commonly occurring Bare PCB defects such as Track Cut, Track short and Pad Damages are detected by Image processing techniques. Reference PCB without having any defects is compared with test PCB having defects to identify the defects and x-y coordinates ...

Credits: Vidya Vikas Institute of Engineering & Technology (VVIET)

A Printed Circuit Board Inspection System With Defect Classification Capability

An automated visual PCB inspection is an approach used to counter difficulties occurred in human's manual inspection that can eliminates subjective aspects and then provides fast, quantitative, and dimensional assessments. In this study, referential approach has been implemented on template and defective PCB images to detect ...

Credits: Universiti Teknologi Malaysia

Automatic PCB Defect Detection Using Image Substraction Method

In this project Machine Vision PCB Inspection System is applied at the first step of manufacturing, i.e., the making of bare PCB. We first compare a PCB standard image with a PCB image, using a simple subtraction algorithm that can highlight the main problem-regions. We have also seen the effect of noise in a PCB image that at what level this method is suitable to detect ...

Credits: Al-Falah School of Engineering and Technology

Bare PCB Inspection By Mean Of ECT Technique With Spin-Valve GMR Sensor

The high-sensitive micro eddy-current testing (ECT) probe composed of planar meander coil as an exciter and spin-valve giant magneto-resistance (SV-GMR) sensor as a magnetic sensor for bare printed circuit board (PCB) inspection is proposed in this paper. The high-sensitive micro ECT probe detects the magnetic field distribution on the bare PCB and the image ...

Credits: Kanazawa University

See Forum results for related keywords - x-ray inspection : 4358

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Electronics Forum

3D AOI Used Machine Recommendations -- Looking into getting an upgrade for the Mirtec MV7-U I have currently. I like the machine and the software is good but the 18k machine registration fee and refusal to supply manuals, replacement parts, ext is rather annoying. What recommendations are there for a used, 3D capable AOI machine? Smallest components placed are 0201 imperial and we have a large assortment of connectors, BGAs, flat packs, ext. Mostly looking for improvements in 201/402 tombstone detection and inspection speed. More open source software/manuals is always a plus but not having them wont ruin an otherwise good machine. Thanks all.

Views: 435

HS50 Siemens Axis Control Board error (Intializing gantry axes) -- ello everyone, We have a Siemens HS50 error going on as soon as we boot up. It shows message saying "Machine is in test mode." Cause: Initalizing gantry axes. Start Sitest and check machine (firmwre versions,configuration, etc. It will try to reference and it will reference Gantrys 1,2,and 4. It errors out on Gantry3. I noticed it doesnt move in the Y direction. I ended up swapping the Axis Control Board 00335520S11(the (board that you turn the x,y and star off)with Gantry 2 and the problem followed to Gantry 2. I noticed it doesnt move in the Y and the IN light blinks in the Y axis. I went to Sitest-Firmware- and went to Y axis and noticed all but the Gantry i'm having problems with have and the problematic one has firmware. IS the axis control board bad or can i download the firmware. Is there anyone familiar with how to do this or should i order and replace with new one. I just dont want to make problem worse if i try downloading something and mess something else up. Any help would be appreciated. Thanks

Views: 64

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SMT, PCB Electronics Assembly Manufacturing News

Count On Tools Offers Low-Cost ACE KISS Bullet Nozzles for Leaded & Lead-Free Solder

Count On Tools, Inc. (COT) is pleased to offer long lasting, low cost ACE Bullet nozzles for the KISS range of selective soldering machines.... | Count On Tools, Inc.

Nordson Electronics Solutions offers their latest dispensing, conformal coating, and selective soldering technologies at SMTConnect 2022

Nordson Electronics Solutions offers their latest dispensing, conformal coating, and selective soldering technologies at SMTConnect 2022... | Nordson Electronics Solutions

HZO Achieves UL Yellow Card Listing for Parylene

Nanocoating solutions company demonstrates dielectric strength of conformal coatings by passing UL746E certification testing for HZO Guardian Plus™ Parylene C coating... | HZO, Inc.

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SMT / PCB Products






Mark 7 Series Reflow Oven



DS Series Dispensers for Large Boards


GPD Global

ICT Acrab 350 Wave Soldering Machine

Wave Soldering


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Cleaning Equipment

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QYSMT Qinyi Electronics - One-stop Platform for all your SMT Needs

SMT / PCB Equipment Auctions

FEATURED AUCTIONS - Equipment For Sale

AUCTION | Bay Area EMS Prototype Facility

AUCTIONEER | The Branford Group

TYPE | On-Line Auction

FEATURING | Complete Juki Line - Very Low Hours & Usage! (100+) Juki Feeders (8mm to 54mm) X-Ray, Microscopes, ESD Work Benches & Soldering

SCHEDULE | April 19-28, 2022

AUCTION | SMT & SUPPORT EQUIPMENT - World Equipment Source / R1 Source, Inc.

AUCTIONEER | XTECH Auctions - Where Technology Sells

TYPE | On-Line Auction

FEATURING | A leading Electronics Manufacturing company, World Equipment Source. Explore over 60 lots all running and maintained by our in-house staff of engineers and technicians.

SCHEDULE | April 26-28, 2022

X-Tech Auctions ��� Aug 28, 2022 Auction

AUCTION | Surplus to the Ongoing Operation of Global EMS Provider (Intervala)

AUCTIONEER | The Branford Group

TYPE | On-Line Auction

FEATURING | (2) Lines: Siemens & Assembleon Placement Machines Including (500+) Feeders and Accessories! SMT Support and Complete Thru-Hole Department

SCHEDULE | Apr 28 to May 4, 2022

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Electronic Equipment Mart

MART - Used Equipment For Sale

Qinyi Electronics - Panasonic DT401=M


Qinyi Electronics

 Digital Test MTS-505 Condo II

AOI / Automated Optical Inspection

Baja Bid

 Lewis & Clark Viscom S3088  AOI

AOI / Automated Optical Inspection

Lewis & Clark

World Equipment Source - Chroma Table Top Single Site Test Handler Model 3111

Pick and Place Equipment/Feeders

World Equipment Source, LLC

AllSurplus Panasonic NPM-W P&P

Pick and Place/Feeders


KD Electronics - ASM Siemens Parts

Pick and Place/Feeders

KD Electronics

View More Used Equipment For Sale... Send a RFQ to Equipment Suppliers ....

MART - Used Equipment Wanted

Lewis & Clark Agilent 3070

In-Circuit Testers

Lewis & Clark

KD Electronics Agilent 3070

In-Circuit Testers

KD Electronics

Mydata SMT Placement Machine

Pick & Place /Feeders

Baja Bid

World Equipment Source Assembleon MG-1R

Pick & Place/Feeders

World Equipment Source, LLC

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Events Calendar


Atlanta Expo & Tech Forum | April 20 | SMTA

Virtual Course: Selection Criteria of Surface Finish for Next Generation PCB Technologies | April 20 | SMTA

Defluxing of Copper Pillar Bumped Flip-Chips | April 26 | ZESTRON

Oregon Expo & Tech Forum | May 3 | SMTA


ZESTRON Analytical & Support Services

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Training Courses



IPC Certification

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Electronics Assembly

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Online Training

Online IPC Training & Certification - Now open for limited in-person training

 EPTAC - Your 2021 IPC Training Schedule

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Career Center

JOBS - Post your job openings now

RESUMES - Post your resume now

Lead Application Laboratory Technician

Manassas, VA | ZESTRON

Field Service Engineer

Florham Park, NJ | Heller Industries Inc.

SMT Process Engineer

Milwaukee, WI | Cree Lighting

Soldering Technician, Touch-up for PCBAs

Santa Cruz, CA | Dynamic Engineering

Business Development Sales Manager, Microelectronics

Suwanee, GA | MacDermid Alpha Electronics Solutions


Nashville, NC | ACDi

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Industry Associations Events


SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies.

Membership Info | SMTA Certification | Bookstore | Upcoming Events


IPC - Association Connecting Electronics Industries is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly.

Membership Info | Training & Certification | Online Store | Upcoming Events

Editor - Dave "davef" Fish (submit your technical articles), 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

X-Tech Auctions ��� Aug 28, 2022 Auction

Purbest ��� LTS Batch PCB Cleaner

HZO is the global leader & innovator in protective solutions that keep the world running. Learn more about our Conformal Coating Solutions here.

Selective Conformal Coating System - GPD impleCoat

HELLER - Choose an Oven for Your Reflow Needs

 ZESTRON ��� SIR Test Services

Unused Equipment? - let BajaBid turn your EXCESS ASSETS into cash!

 I.C.T. Intercontinental ��� PCB Handling Machine with CE

Software for PCB Manufacturing - Unisoft

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