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SMTnet Express, July 3, 2019, Subscribers: 32,112, Companies: 10,820, Users: 24,903

Technical Library

Reduce Pollution of Process Gasses in an Air Reflow Oven

Credits: Vitronics Soltec

The introduction of lead-free solders resulted in a selection of different chemistries for solder pastes. The higher melting points of lead-free alloys required thermal heat resistant rosin systems and activators that are active at elevated temperatures. As a result, more frequent maintenance of the filtration systems is required and machine downtime is increased. Last year a different method of cleaning reflow ovens was introduced. Instead of cooling down the process gasses to condensate the residues, a catalyst was used to maintain the clean oven. Catalytic thermal oxidation of residues in the nitrogen atmosphere resulted in cleaner heating zones. (...) This paper will give more detailed information of catalyst systems during development and performance in production lines.

Forum search results for related keywords: reflow oven filtration.

SMT / PCB Products



SlingShot Assembly



Hand Assembly

Virtual Industries

Solder Materials


Pick & Place

Count On Tools


GPD Global




BEST, Inc.




Seika Machinery





ASC International





Vi Technology



SMT / PCB Equipment Auctions

Late Model Metal Fabrication, CNC Bending & Machining Complete Closure of 110,000 SF Silver Creek Facility

September 3 - 5 | X-Line Asset Management

Electronic Equipment Mart

Ekra X5

Screen Printers

Capital Equipment Exchange

Vi Technology 5K

AOI / Automated Optical Inspection

LEL Semi

Austin American Tech. X30A

Stencil Cleaners

IBE SMT Equipment

Koh Young KY 8030-3L

SPI / Solder Paste Inspection

Qinyi Electronics Co.,Ltd

Fuji XPF - W

Pick and Place/Feeders

X-Line Asset Management

Universal Genesis Feeders

Pick and Place/Feeders

KD Electronics Ltd.

Events Calendar

SMTA International 2019 Conference & Exhibition | September 22 - 26 | SMTA

IPC Tech Ed - Process and Acceptability Requirements: Utilizing J-STD-001 and IPC-A-610 Together | September 10 | IPC

PCB Cleaning Webinar Series | ZESTRON Corporation

Training Courses

IPC Training & Certification Courses

Soldering & PCB Rework Courses

Career Center

Electronics Experts Needed - Contract Jobs

offered by: Performance Review Institute

An excellent contract job opportunity for consultants or recent retirees

Do you have experience in some or all of these processes: Printed Boards, or Printed Board Assemblies, or Cable and Wire Harness Assemblies? We have ELECTRONICS AUDITOR positions available now!

US and International Travel, Flexible scheduling, Competitive compensation and travel expenses...

Click for more information »»

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

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.


Used PCB Assembly Equipment - CE Exchange

SMTA International 2019 - Learn about the latest equipment and technology from over 170 exhibiting companies!

Nitrogen Capable SMD & BGA Rework Station

Kyzen Free PCB Cleaning Audit

Quality Pre-Owned SMT Eequipment - Robo-Tek

AccuStock��� Automatic Reel Component Storage (ASRS)

Zestron PCB Cleaning Academy

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

SMT Parts Store Online - MPM, Camalot, Quad, Mirae - nozzles, feeders, accessories.

Selective Conformal Coating System - GPD impleCoat

Vacuum Tweezers - pick up small components with ease

HELLER - Choose an Oven for Your Reflow Needs

KIC - Making Reflow Ovens Smarter

Turn-Key PCB Prototypes - On Your Bench in 5 Days

Dual Applicators for Non-Atomized Conformal Coating Improve High-Volume Manufacturing

Used SMT Equipment - IBE

Hioki 1240 Flying Probe Tester - ultra-high speed measuring, fine pitch inspection.

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