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

SMTnet Express, July 25, 2019, Subscribers: 32,181, Companies: 10,840, Users: 24,976

Technical Library

Voiding Performance with Solder Pastes Containing Modified SAC Alloys for Automotive Applications in Bottom Terminated Component Assemblies

Credits: Indium Corporation

Voiding is a key concern for components with thermal planes because interruptions in Z-axis continuity of the solder joint will hinder thermal transfer. When assembling components with solder paste, there is a high propensity for voiding due to the confined nature of the solder paste deposits under the component. Once reflowed, many factors contribute to the amount of voiding in a solder joint such as the reflow profile, designs of the component, board and stencil, and material factors. This study will focus on the solder paste alloy and flux combination as well as profile and board surface finishes.

Forum search results for related keywords: QFN voiding, surface finish.

SMT / PCB Products

PCB ASSEMBLY

Hand Assembly

Virtual Industries

Coating Equipment

GPD Global

Solder Paste Stencils

BEST, Inc.

Pick & Place

Count On Tools

Reflow

Heller

Prototyping

SlingShot Assembly

SMD REEL STORAGE

PCB CLEANING

SMD Reel Storage

Accu-Assembly

Cleaning

ZESTRON

SMTAI Booth # 623

Cleaning Agents

Kyzen

SMTAI Booth # 207

PCB TEST & INSPECTION

PCB REWORK

Inspection

Mirtec

SMTAI Booth # 305

Inspection

ASC International

Rework

Metcal

SMTAI Booth # 632

PCB SOFTWARE

Software

Unisoft

Software

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

SMT Online Auction Featuring Items From Petra Electronics

July 25 - 31 | Baja Bid

Electronic Equipment Mart

YesTech BX Benchtop

AOI / Automated Optical Inspection

Baja Bid

YXLON Cheetah SMT X-Ray

X-Ray Inspection

Capital Equipment Exchange

Universal Instruments GENESIS

Chipshooters / Chip Mounters

KD Electronics Ltd.

Quad Parts, Feeders, Nozzles

Pick and Place/Feeders

PPM Parts

Ekra X4

Screen Printers

IBE SMT Equipment

Panasonic MSF-XL

Chipshooters / Chip Mounters

LEL Semi

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

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

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

Online SMT Equipment Auction - Including: Mydata, GPD, Manncorp, Yestech, & more... July 25 - 31

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

Zestron PCB Cleaning Academy

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

Dual Mode 3D AOI/SPI

Soldertools.net - Rework Tools

Vacuum Tweezers - pick up small components with ease

HELLER - Choose an Oven for Your Reflow Needs

AccuStock��� Automatic Reel Component Storage (ASRS)

Experience the Blackfox Difference - Premier IPC Training & Certification Center

Kyzen Free PCB Cleaning Audit

KD Electronics - High quality SMT nozzles, feeders, cutters, filters, etc

Metcal CV-5200 Connection Validation Soldering System

Quality Pre-Owned SMT Eequipment - Robo-Tek

SMTnet - Electronic Industry Hub

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Zero returns due to coating issues

Reflow Oven