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SMTnet - where else would you meet over 500,000 industry professionals? GPD Global - Selective Conformal Coating System - SimpleCoat

SMTnet Express, August 30, 2018, Subscribers: 31,289, Companies: 11,033, Users: 25,137

Technical Library

Does Thermal Cycling Impact the Electrical Reliability of a No-Clean Solder Paste Flux Residue

Eric Bastow; Indium Corporation

No-clean solder pastes are widely used in a number of applications that are exposed to wide variations in temperature during the life of the assembled electronics device. Some have observed that cracks can and do form in flux residue and have postulated that this is the result of or exacerbated by temperature cycling. Furthermore, the potential exists for the flux residue to soften or liquefy at elevated temperatures, and even flow if orientated parallel to gravity. In situations such as in automotive electronics, where significant temperature cycling is a reality and high reliability is a must, concern sometimes exists that the cracking and possible softening or liquefying of the residue may have a deleterious effect on the electrical reliability of the flux residue. This paper will attempt to address this concern.

Forum search results for related keywords: thermal cycling, no-clean solder paste, flux residue.

SMT / PCB Products

PCB ASSEMBLY

Dispensing

GPD Global

SMTAI Booth # 517

Surface Finish

Nordson March

Coating Equipment

Nordson Asymtek

SMTAI Booth # 311

Pick & Place

Count On Tools

Reflow

Heller

Hand Assembly

Virtual Industries

Prototyping

SlingShot Assembly

PCB CLEANING

Cleaning

ZESTRON

SMTAI Booth # 215

Cleaning

Seika Machinery

SMTAI Booth # 305

PCB INSPECTION

Inspection

YXLON

SMTAI Booth # 810

Inspection

Mirtec

SMTAI Booth # 208

Inspection

ASC International

PCB REWORK

Rework

PDR America

SMTAI Booth # 527

Rework

Kurtz Ersa

SMTAI Booth # 616

PCB SOFTWARE

Software

Unisoft

Software

KIC

SMTAI Booth # 124

Software

Vi Technology

SMT / PCB Equipment Auctions

Closure of Premier Surface Mount Facility - 2017 SMT Equipment

September 18 - 19 | X-Line Asset Management

Online SMT Auction
Featuring Items From FryMaster

September 10 - 13 | Baja Bid

Electronic Equipment Mart

Samsung 8MM SM Auto Load

Pick and Place/Feeders

LEL Semi

Juki KE 3020 (2017)

Pick and Place/Feeders

X-Line Asset Management

Asymtek TCM-4600

Soldering - Reflow

Baja Bid

Koh Young KY-3030 VAL 3D

SPI / Solder Paste Inspection

Capital Equipment Exchange

Mirtec MV-7U AOI

AOI / Automated Optical Inspection

IBE SMT Equipment

PCB Conveyors

Conveyors

JMW Enterprises

Events Calendar

IPC E-Textiles 2018 Conference | September 13 | IPC

SMTA International 2018 Conference & Exhibition | October 14 - 18 | SMTA

PCB Cleaning Webinar Series | ZESTRON Corporation

Training Courses

IPC Training & Certification Courses

Soldering & PCB Rework Courses

Career Center

Assembler 2 ��� IPC 620

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Oldsmar, FL | Lockheed Martin Corporation

SMT Field Service / Technical Support

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Duluth, GA | Seika Machinery, Inc.

Commission Sales

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Everywhere | SMTnet

Industry Associations Events

SMTA

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

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

SMTnet.com, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

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Used PCB Assembly Equipment - CE Exchange

3 YEAR WARRANTY ��� Industry first, market leading warranty on all award winning TruView X-Ray inspection products from Creative Electron

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

Europlacer iineo+ SMT pick and place with integrated component tester

Kyzen Free PCB Cleaning Audit

Speedprint SP700avi inline SMT screen printer

Late model SMT equipment Auctions - X-Line Asset Management

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

Online SMT Auction - Sept.10-13

Nitrogen Capable SMD & BGA Rework Station

Quality Pre-Owned SMT Eequipment - Robo-Tek

Innovative aqueous and solvent based technologies for cleaning PCBs

Soldertools.net - Rework Tools

Vacuum Tweezers - pick up small components with ease

HELLER - Choose an Oven for Your Reflow Needs

KIC - Making Reflow Ovens Smarter

Inspection challenges? Comet Lab One - RF Power - X-ray & CT - ebeam under one roof

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

Used SMT Equipment - IBE

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