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SMTnet Express, July 1, 2021, Subscribers: 26,963, Companies: 11,390, Users: 26,734

Technical Library

Understanding the Cleaning Process for Automatic Stencil Printers

The automatic stencil wiper the first line of defense. Topics are: • The Printing process and why we need to focus on the wiping function • Frequency of wiping • Wiping options • Wiper profiles • Event driven wiping • Advanced options • Materials: Paper • Materials: Solvent • Preventive maintenance • Random stuff

Credits: ITW EAE

Evaluation of Under-Stencil Cleaning Papers

Solder paste screen printing is known to be one of the most difficult processes to quality assure in Printed Board Assembly (PBA) manufacturing. An important process step in solder paste screen printing is the under stencil cleaning process and one of the key materials in this process is the cleaning paper1. This, often neglected, material affects the cleaning process and thereby also the print quality. It is therefore important to perform tests of different cleaning papers before one could be chosen. This article describes how cleaning papers can be tested and it also tells how big differences it can be between different materials.

Credits: Ericsson AB

Cleanliness of Stencils and Cleaned Misprinted Circuit Boards

The effectiveness of cleaning stencils and misprinted/dirty printed circuit boards can be effectively monitored. This can be done by washing known clean circuit boards and then checking to see if they have stayed clean as a result of the washing process.

Credits: Research In Motion

Forum search results for related keywords: stencil cleaning: 1139

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Electronics Forum

Mydata Error Messages -- I just received the following messages while running our MY15: I-OSM-0: my15n150 kernel: lp: no devices found. I also received this one: I-OSM-0: my15n150 insmod: /lib/modules/.2.20/misc/lp.o: init_module: Device or resource busy. And this one: I-OSM-0: my15n150 insmod: /lib/modules/2.2.20/misc/lp.o: insmod char-major-6 failed. What does that mean? I cant find references to it. I assume they must be related. Can someone help?

FKN Systek N200 Parts and Manual Depanelizer -- Does anyone have a manual for the FKN Systek N200? And also where I can get dies/blades for it? Thanks

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SMT, PCB Electronics Assembly Manufacturing News

Nordson Electronics Solutions Introduces the MARCH MegaVIA™ Plasma Treatment System for Large Panels in Printed Circuit Board Manufacturing

Increases process capacity for large PCB panels by more than 54% with only 2% increase in footprint... | Nordson ASYMTEK

North American PCB Industry Sales Up 9.1 Percent in May

IPC releases PCB industry results for May 2021... | IPC

TAKAYA Launches APT-1600FD-SL, Dual-Sided Flying Probe Tester with Big Board Handling Capability, Advanced Features

Takaya's APT-1600FD-SL Dual Sided Flying Probe test system for assembled PCBAs delivers both high speed and a larger testing area designed to accommodate large PCBAs for the emerging markets of 5G communications and BMS (Battery Management System) applications.... | Texmac, Inc.

Nordson Electronics Solutions - MARCH MegaVIA��� Plasma Treatment System

Association Connecting Electronics Industries (IPC) - PCB industry results for May 2021

TAKAYA - APT-1600FD-SL, Dual-Sided Flying Probe Tester

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SMT / PCB Products






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SMT / PCB Equipment Auctions


AUCTION | Complete Closure of Houston SMT Facility

AUCTIONEER | The Branford Group

TYPE | On-Line Auction

FEATURING | 2018 Yamaha YSM20 and 2010 MG—5 Placement Machines (100+) Yamaha Electric Feeders — 8mm to 44mm Support Equipment: '18 Dek Horizon 8, BTU, Manncorp, Nordson YESTech and More!!!

SCHEDULE | July 19 — 20, 2021


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Electronic Equipment Mart

MART - Equipment For Sale

Panasonic DT401=M


Qinyi Electronics

Mydata My100 DXE-14

Pick and Place/Feeders

Lewis & Clark

MPM Accela

Screen Printers

CE Exchange

ASM Siemens Parts

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KD Electronics

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MART - Equipment Wants

Agilent 3070

In-Circuit Testers

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Agilent 3070

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Lewis & Clark

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Events Calendar


Webinar: How to Make Social Media Work for Your Business | July 13 — 13 | SMTA

Heartland Expo & Tech Forum | July 15 — 15 | SMTA

Solder Mask and Low Stand—Off Component Cleaning — A Connection? — July 27th | July 27 — 27 | ZESTRON


ZESTRON Analytical & Support Services

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Training Courses



IPC Certification

Soldering & Rework

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Electronics Assembly

Electronics Inspection

Online Training

 EPTAC - Your 2021 IPC Training Schedule

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

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Career Center

JOBS - Post your jobs now

RESUMES - Post your resume now

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

AOI Operator

Frederick, MD | ACDi

Sr. Service Manager

Noida, India

Willing to relocate: Yes

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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.


Used PCB Assembly Equipment - CE Exchange

NEW Fully featured benchtop dispenser - GPD Global

HELLER - Choose an Oven for Your Reflow Needs

ZESTRON Analytical & Support Services

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

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Software for PCB Manufacturing - Unisoft

Shenzhen ETA Electronic Equipment Co ��� PCB Handling Machine with CE

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ITAR and Biomedical Electronic Manufacturing Facility Late-Model SMT Equipment: DEK, MyData, Heller & Nordson (25+) MyData/Agilis Magazines & (250+) Feeders Wave Soldering, Inspection, X-Ray, AOI & More